Housing shared by vehicle component and disabling switch and decoder

In a motor vehicle, apparatus having the improvements comprising:

• means operable to enable normal operation of said vehicle;
• said vehicle being disabled from operation responsive to said enabling means being inoperable;
• an interlock deactuable to condition said enabling means for operation;
• said enabling means being inoperable responsive to said interlock being actuated;
• a decoder conditionable to function to deactuate said interlock;
• a transmitter activatable to condition said decoder to function by transmitting thereto a pre-selected variation of a complex coded signal;
• said decoder being dysfunctional responsive to said transmitter being deactivated from transmitting said pre-selected variation of said complex coded signal to said decoder;
• an enclosure simultaneously enclosing said enabling means and said interlock and said decoder;
• said transmitter being external to said enclosure;
• said decoder being dysfunctional for a primary predetermined period of time responsive to said decoder receiving a predetermined number of incorrect variations of said complex coded signal;
• during said primary predetermined period of time, said decoder being unable to deactuate said interlock;
• said decoder being operable to deactuate said interlock for a secondary predetermined period of time, responsive to said decoder receiving said predetermined variation of said complex coded signal;
• said decoder reactuating said interlock after expiration of the said secondary predetermined period of time.

In a motor vehicle, apparatus having the improvements comprising:

• means operable to enable normal operation of said vehicle;
• said vehicle being disabled from operation responsive to said enabling means being inoperable;
• an interlock deactuable to condition said enabling means for operation;
• said enabling means being inoperable responsive to said interlock being actuated;
• a decoder conditionable to function to deactuate said interlock;
• a transmitter activatable to condition said decoder to function by transmitting thereto a pre-selected variation of a complex coded signal;
• said decoder being dysfunctional responsive to said transmitter being deactivated from transmitting said pre-selected variation of said complex coded signal to said decoder;
• an enclosure simultaneously enclosing said enabling means and said interlock and said decoder;
• said transmitter being external to said enclosure;
• said complex coded signal comprising digital data;
• said transmitter comprising a memory device;
• said digital data being stored in said memory device;
• said decoder communicating electrically with an array of sockets;
• said transmitter communicating with said decoder responsive to said transmitter being in electrical communication with any individual socket of said array of sockets;
• said decoder receiving said signal comprising said digital data stored in said memory device from said transmitter only responsive to said transmitter being manually selectively placed in electrical communication, for a minimum threshold period of time, with each of a pre-selected sequence of several of said individual sockets of said array of sockets.

In a motor vehicle, apparatus having the improvements comprising:

• means operable to enable normal operation of said vehicle;
• said vehicle being disabled from operation responsive to said enabling means being inoperable;
• an interlock deactuable to condition said enabling means for operation;
• said enabling means being inoperable responsive to said interlock being actuated;
• a decoder conditionable to function to deactuate said interlock;
• a transmitter activatable to condition said decoder to function by transmitting thereto a pre-selected variation of a complex coded signal;
• said decoder being dysfunctional responsive to said transmitter being deactivated from transmitting said pre-selected variation of said complex coded signal to said decoder;
• an enclosure simultaneously enclosing said enabling means and said interlock and said decoder;
• said transmitter being external to said enclosure;
• said complex coded signal comprising a component of digital data;
• said transmitter comprising a pre-selected memory device comprising memory secured by a password;
• said digital data component of said complex coded signal being stored in said memory secured by said password within said memory device;
• said pre-selected memory device being chosen from a group of similar memory devices each comprising a different set of unalterable identification data;
• said decoder communicating data bidirectionally with an array of sockets;
• said pre-selected memory device communicating data bidirectionally with said decoder responsive to said pre-selected memory device being in electrical communication with any individual socket of said array of sockets;
• said unalterable identification data being readable by said decoder responsive to said pre-selected memory device being in electrical communication with any individual socket of said array of sockets;
• said decoder being able to discern said pre-selected memory device from said group of similar memory devices by reading and verifying said unalterable identification data;
• said decoder being conditionable to transmit said password to said pre-selected memory device only responsive to said pre-selected memory device being manually selectively placed in electrical communication, for a minimum threshold period of time, with each of a pre-selected sequence of several of said individual sockets of said array of sockets;
• said pre-selected memory device being capable of transmitting said signal comprising said component of digital data to said decoder only upon receiving said password;
• upon receiving said password, said pre-selected memory device transmitting to said decoder said signal comprising said component of digital data stored in said memory protected by said password of said pre-selected memory device.

In a motor vehicle, apparatus having the improvements comprising:

• means operable to enable normal operation of said vehicle;
• said vehicle being disabled from operation responsive to said enabling means being inoperable;
• an interlock deactuable to condition said enabling means for operation;
• said enabling means being inoperable responsive to said interlock being actuated;
• a decoder conditionable to function to deactuate said interlock;
• a transmitter activatable to condition said decoder to function by transmitting thereto a pre-selected variation of a complex coded signal;
• said decoder being dysfunctional responsive to said transmitter being deactivated from transmitting said pre-selected variation of said complex coded signal to said decoder;
• an enclosure simultaneously enclosing said enabling means and said interlock and said decoder;
• said transmitter being external to said enclosure;
• said transmitter comprising a memory device;
• said decoder communicating electrically with an array of sockets;
• a fob comprising a rigid sheet bent into a loop to which said transmitter is fixed such that an operator can wear said loop upon a finger like a ring in order to insert said transmitter, like the head of a ring, into a socket of said array of sockets, thereby establishing electrical communication between said transmitter and said decoder.

In a motor vehicle, apparatus having the improvements comprising:

• means operable to enable normal operation of said vehicle;
• said vehicle being disabled from operation responsive to said enabling means being inoperable;
• an interlock deactuable to condition said enabling means for operation;
• said enabling means being inoperable responsive to said interlock being actuated;
• a decoder conditionable to function to deactuate said interlock;
• a transmitter activatable to condition said decoder to function by transmitting thereto a pre-selected variation of a complex coded signal;
• said decoder being dysfunctional responsive to said transmitter being deactivated from transmitting said pre-selected variation of said complex coded signal to said decoder;
• an enclosure simultaneously enclosing said enabling means and said interlock and said decoder;
• said transmitter being external to said enclosure;
• said decoder communicating data with an array of sockets;
• a printed circuit board comprising said array of sockets, said array of sockets being illuminated, parallel to the plane of said printed circuit board, by light emitting diodes;
• said light emitting diodes being mounted to said circuit board, so as to project light parallel to said plane of said circuit board.

In a motor vehicle, apparatus having the improvements comprising:

• means operable to enable normal operation of said vehicle;
• said vehicle being disabled from operation responsive to said enabling means being inoperable;
• an interlock deactuable to condition said enabling means for operation;
• said enabling means being inoperable responsive to said interlock being actuated;
• a decoder conditionable to function to deactuate said interlock;
• a transmitter activatable to condition said decoder to function by transmitting thereto a pre-selected variation of a complex coded signal;
• said decoder being dysfunctional responsive to said transmitter being deactivated from transmitting said pre-selected variation of said complex coded signal to said decoder;
• an enclosure simultaneously enclosing said enabling means and said interlock and said decoder;
• said transmitter being external to said enclosure;
• said enclosure comprising a composite material reinforced with fibers;
• said fibers comprising at least one material selected from the group of materials consisting of:
• carbon glass, aramid, Spectra, boron, carbon containing polymer, ceramic, metal, metal alloy, metal combined with at least one non-metallic compound, metal combined with at least one non-metallic element, combination of carbon and at least one carbon containing polymer, combination of carbon and at least one metal, combination of carbon and glass, combination of glass and at least one metal, combination of glass and at least one non-metallic compound, combination of glass and at least one non-metallic compound, combination of glass and at least one non-metallic element, combination of boron and metal;
• said fibers being wrapped around the said elements to be enclosed;
• said fibers being arranged in a form selected from the group consisting of:
• fiber, tow, yarn, roving, tape, and cloth.

In a motor vehicle, apparatus having the improvements comprising:

• means operable to enable normal operation of said vehicle;
• said vehicle being disabled from operation responsive to said enabling means being inoperable;
• an interlock deactuable to condition said enabling means for operation;
• said enabling means being inoperable responsive to said interlock being actuated;
• a decoder conditionable to function to deactuate said interlock;
• a transmitter activatable to condition said decoder to function by transmitting thereto a pre-selected variation of a complex coded signal;
• said decoder being dysfunctional responsive to said transmitter being deactivated from transmitting said pre-selected variation of said complex coded signal to said decoder;
• an enclosure simultaneously enclosing said enabling means and said interlock and said decoder;
• said transmitter being external to said enclosure;
• a component selected from the group consisting of said enabling means and said enclosure, being secured to said vehicle by fastening means;
• said fastening means being resistant to removal by ordinary tools designed to engage ordinary threaded fasteners;
• said fastening means being easily removable only by extraordinary tools;
• said fastening means comprising a bolt having a head;
• said head being shaped such that a polygonal concavity of the driving end of any ordinary tool designed to engage the head of an ordinary threaded fastener is prohibited from fitting over said head;
• said head being shaped such that a polygonal aperture of the driving end of any tool designed to engage the head of an ordinary threaded fastener is prohibited from fitting over said head;
• said head being shaped such that a polygonal convexity of the driving end of any tool designed to engage the head of an ordinary threaded fastener is prohibited from fitting into said head;
• said head being free of any aperture, and free of any slot, and free of any groove;
• said head being free of any upstanding boss, and free of any convexity;
• said bolt engaging a mounting member integral with or fixed to a component selected from the group consisting of:
• said enabling means and said enclosure;
• a collar closely surrounding said head of said bold;
• said collar being journaled on said bolt and, and being rotatable with respect to said bolt, and being rotatable with respect to said mounting member;
• said head of said bolt being countersunk into said collar when said fastening means is fully tightened;
• said collar being limited in axial translation with respect to said bolt by said head of said bolt;
• said collar being limited in axial translation with respect to said bolt by a fastening member threaded onto said bolt;
• said fastening member being countersunk into a second aperture in said collar;
• said fastening member being at least partially protuberant from said second aperture in said collar when said fastening member is fully threaded onto said bolt;
• said second aperture closely surrounding said fastening member;
• said head having face;
• said face having a predetermined shape chosen from a group of shapes consisting of:
• all non-polygonal shapes having a geometric center being non-coincident with the geometric central axis of said bolt, and each shape being both non-polygonal and non-circular;
• a tool having, at its driving end, a concavity;
• said concavity having a predetermined cross sectional shape;
• said cross sectional shape of said concavity being chosen from a group of two dimensional shapes, each having a geometric center;
• said concavity corresponding exactly in shape and in size to said head of said bolt;
• said geometric center of said cross sectional shape of said concavity being non-coincident with the geometric central axis of said tool to a degree exactly corresponding to the degree to which said geometric center of said face of said head of said bolt is non-coincident with said geometric central axis of said bolt, such that said concavity is operable to engage said head in a female-male fitting relationship;
• said driving end of said tool fitting into said closely fitting collar surrounding said head of said bolt;
• said tool being capable of being used to apply torque to said head.

In a motor vehicle, apparatus having the improvements comprising:

• means operable to enable normal operation of said vehicle;
• said vehicle being disabled from operation responsive to said enabling means being inoperable;
• an interlock deactuable to condition said enabling means for operation;
• said enabling means being inoperable responsive to said interlock being actuated;
• a decoder conditionable to function to deactuate said interlock;
• a transmitter activatable to condition said decoder to function by transmitting thereto a pre-selected variation of a complex coded signal;
• said decoder being dysfunctional responsive to said transmitter being deactivated from transmitting said pre-selected variation of said complex coded signal to said decoder;
• an enclosure simultaneously enclosing said enabling means and said interlock and said decoder;
• said transmitter being external to said enclosure;
• a component selected from the group consisting of said enabling means and said enclosure, being secured to said vehicle by fastening means;
• said fastening means being resistant to removal by ordinary tools designed to engage ordinary threaded fasteners;
• said fastening means being easily removable only by extraordinary tools;
• said fastening means comprising a bolt having a head;
• said head being shaped such that a polygonal concavity of the driving end of any ordinary tool designed to engage the head of an ordinary threaded fastener may not fit over said head;
• said head being shaped such that a polygonal aperture of the driving end of any tool designed to engage the head of an ordinary threaded fastener may not fit over said head;
• said head being shaped such that a polygonal convexity of the driving end of any tool designed to engage the head of an ordinary threaded fastener may not fit into said head;
• said head being free of any aperture, and free of any slot, and free of any groove;
• said head being free of any upstanding boss, and free of any convexity;
• said bolt engaging a mounting member integral with or fixed to a component selected from the group consisting of:
• said enabling means and said enclosure;
• a collar closely surrounding said head of said bold;
• said collar being journaled on said bolt and, and being rotatable with respect to said bolt, and being rotatable with respect to said mounting member;
• said head of said bolt being countersunk into said collar when said fastening means is fully tightened;
• said collar being limited in axial translation with respect to said bolt by said head of said bolt;
• said collar being limited in axial translation with respect to said bolt by a fastening member threaded onto said bolt;
• said fastening member being countersunk into a second aperture in said collar;
• said fastening member being at least partially protuberant from said second aperture in said collar when said fastening member is fully threaded onto said bolt;
• said second aperture closely surrounding said fastening member;
• said collar being countersunk into said integral or fixed mounting member to a depth such that when said fastening means are fully tightened, the top of said collar is substantially flush with the top surface of said integral or fixed mounting member;
• said head having face;
• said face having a predetermined shape, chosen from a group of shapes consisting of:
• all non-polygonal shapes having a geometric center being non-coincident with the geometric central axis of said bolt and all shapes being both non-polygonal and non-circular;
• a tool having at its driving end, a concavity;
• said concavity having a predetermined cross sectional shape;
• said cross sectional shape of said concavity being chosen from a group of two dimensional shapes, each having a geometric center;
• said concavity corresponding exactly in shape and in size to said head of said bolt;
• said geometric center of said cross sectional shape of said concavity being non-coincident with the geometric central axis of said tool to a degree exactly corresponding to the degree to which said geometric center of said face of said head of said bolt is non-coincident with said geometric central axis of said bolt, such that said concavity is operable to engage said head in a female-male fitting relationship;
• said driving end of said tool fitting into said closely fitting collar surrounding said head of said bolt;
• said tool being capable of being used to apply torque to said head.

A method of enclosing a system necessary to properly operate a motor vehicle;

• said method including the step of isolating all direct physical electrical contact between said system and electrical power source;
• said method including the step of disabling said system with a normally actuated interlock;
• said method including the step of isolating all direct physical contact and all direct electrical contact between said system and said interlock;
• said method including the step of defeating said interlock with a decoder operable to do so;
• said method including the step of isolating all direct electrical contact between said decoder and said interlock;
• said method comprising wrapping said system, said interlock, said decoder, said direct physical contacts, and said direct electrical contacts as a composite work piece with one or more of the materials included in the group of materials consisting of:
• a composite of fibers embedded in a hardening matrix material, a composite of carbon and aramid fabrics embedded in a hardening epoxy resin, a composite of fabric composed of both carbon and aramid fibers and embedded in a hardening epoxy resin, a composite of carbon fibers in a hardening epoxy resin, a composite of fibers embedded in a hardening resinous matrix material containing abrasive particles, a composite of a hardening resinous matrix material and abrasive particles, a composite of fiberglass embedded in a hardening polyester resin matrix, a composite of Spectra in a hardening resinous matrix material, a hardening resin, a hardening thermoplastic resin.

An enclosure enclosing at least one component of a vehicle anti-theft system;

• said component being operable to enable normal operation of said vehicle, and not being a mere wire said enclosure comprising a composite material reinforced with fibers;
• said fibers comprising at least one material selected from the group of materials consisting of:
• carbon, glass, aramid, Spectra, boron, carbon containing polymer, ceramic, metal, metal alloy, metal combined with at least one non-metallic compound, metal combined with at least one non-metallic element, combination of carbon and at least one carbon containing polymer, combination of carbon and at least one metal, combination of carbon and glass, combination of glass and at least one metal, combination of glass and at least one non-metallic compound, combination of glass and at least one non-metallic compound, combination of glass and at least one non-metallic element, combination of boron and metal;
• said fibers being wrapped around the said elements to be enclosed;
• said fibers being arranged in a form selected from the group consisting of:
• fiber, tow, yarn, roving, tape, and cloth;
• said fibers being wrapped around said at least one component of a vehicle anti-theft system and being set in a matrix comprising at least one material chosen from the group consisting of:
• epoxy, polyester, polyurethane, polycarbonate, polyethylene, polypropylene, carbon containing polymer, ceramic, metal, metal alloy, metal combined with at least one non-metallic compound, metal combined with at least one non-metallic element, combination of carbon and at least one carbon containing polymer, combination of carbon and at least one metal, carbon containing polymer, carbon containing polymer combined with at least one non-metallic element, carbon containing polymer combined with at least one non-metallic compound.

A shared enclosure enclosing a device allowing, when functional, normal operation of a vehicle;

• said device, when disabled, preventing normal operation of said vehicle;
• said shared enclosure enclosing an interlock normally disabling said device;
• said shared enclosure enclosing a decoder that defeats said interlock responsive to said decoder receiving a predetermined variation of a complex coded signal;
• said shared enclosure resisting destruction, unauthorized penetration, and unauthorized removal from the vehicle and tampering to a substantially greater extend than the ordinary housing of a corresponding vehicle operation enabling device.

A method of preventing unauthorized driving of a vehicle;

• said method comprising the step of deactuating means necessary to operate the vehicle;
• said method comprising the added step of enclosing said deactuated means, in a shared enclosure, in a manner inhibiting, mechanically and electrically, access to said means for the purpose of actuating said means;
• said method comprising the further step of enclosing, within said shared enclosure enclosing said deactuated means, a decoder, said decoder allowing, temporarily, said deactuated means to be activated, responsive to said decoder receiving a pre-selected variation of a coded signal;
• the aforesaid step of enclosing of decoder being executed in such a manner as to resist circumventing said decoder either mechanically or electrically to actuate said means;
• said method further comprising the step of providing a transmitter capable of transmitting, from a location remote from said deactuated means and said decoder and said enclosing, said pre-selected variation of said coded signal, armoring said enclosure in a manner to (prevent) provide substantially more resistance to removal from the vehicle, tampering, penetration, or destruction than the ordinary housing of corresponding vehicle operation enabling means.

A method of preventing unauthorized driving of a vehicle;

• said method comprising the step of deactuating means necessary to operate the vehicle;
• said method comprising the added step of enclosing said deactuated means in a shared enclosure, in a manner inhibiting, mechanically and electrically, access to said means for the purpose of actuating said means;
• said method comprising the further step of enclosing, within said shared enclosure enclosing said deactuated means, a decoder, said decoder allowing, temporarily, said deactuated means to be activated, responsive to said decoder receiving a pre-selected variation of a coded signal;
• the aforesaid step of enclosing of decoder being executed in such a manner as to resist circumventing said decoder either mechanically or electrically to actuate said means;
• said method further comprising the step of providing a transmitter capable of transmitting, from a location remote from said deactuated means and said decoder and said enclosing, said pre-selected variation of said coded signal;
• said method comprising the step of normally disabling said transmitter from transmitting said pre-selected variation of said coded signal;
• said method comprising the step of temporarily enabling said transmitter to transmit said pre-selected variation of said coded signal, responsive to at least one transaction selected from the group of transactions consisting of:
• said decoder receiving a pre-selected variation of a secondary coded signal, said decoder receiving a pre-selected variation of a tertiary coded signal, said decoder receiving a pre-selected variation of a quaternary coded signal, said transmitter receiving a pre-selected variation of a secondary coded signal, said transmitter receiving a pre-selected variation of a tertiary coded signal, said transmitter receiving a pre-selected variation of a quaternary coded signal;
• said secondary, tertiary, and quaternary coded signals each comprising a series portions, each portion comprising manual manipulation of said transmitter;
• said method comprising the step of selecting said pre-selected variation of said secondary coded signal from a table comprising data description of multiple variations of said secondary coded signal, said table of data being stored in memory of a device chosen from the group of devices consisting of:
• said decoder and said transmitter;
• the step of selecting said pre-selected variation of said tertiary coded signal by manually manipulating said transmitter so as to generate each portion of an arbitrary variation of said tertiary coded signal, each portion being generated within a primary predetermined period of time, said primary predetermined period of time initially commencing responsive to said pre-selected variation of said primary coded signal being received by said decoder, said primary predetermined period of time recommencing responsive to each portion of said arbitrary variation of said tertiary coded signal being generated prior to initial expiration of said primary predetermined period of time;
• the step of selecting said pre-selected variation of said quaternary coded signal by manually manipulating said transmitter so as to generate each portion of an arbitrary variation of said quaternary coded signal prior to expiration of said primary predetermined period of time;
• said primary predetermined period of time recommencing responsive to each portion of said arbitrary variation of said tertiary coded signal being generated prior to expiration of said primary predetermined period of time;
• said primary predetermined period of time recommencing responsive to further manipulation of said transmitter prior to expiration of said primary predetermined period of time;
• said decoder preventing actuation of said deactuated means after expiration of said primary predetermined period of time, until such time as said decoder again receives said pre-selected variation of said coded signal.

A method of preventing unauthorized driving of a vehicle;

• said method comprising the step of deactuating means necessary to operate the vehicle;
• said method comprising the added step of enclosing said deactuated means in a shared enclosure, in a manner inhibiting, mechanically and electrically, access to said means for the purpose of actuating said means;
• said method comprising the further step of enclosing, within said shared enclosure enclosing said deactuated means, a decoder, said decoder allowing, temporarily, said deactuated means to be activated, responsive to said decoder receiving a pre-selected variation of a coded signal;
• the aforesaid step of enclosing of decoder being executed in such a manner as to resist circumventing said decoder either mechanically or electrically to actuate said means;
• said method further comprising the step of providing a transmitter capable of transmitting, from a location remote from said deactuated means and said decoder and said enclosing, said pre-selected variation of said coded signal;
• the step of normally inhibiting said transmitter from transmitting said pre-selected variation of said coded signal;
• the step of temporarily enabling said transmitter to transmit said pre-selected variation of said coded signal responsive to said transmitter receiving a pre-selected variation of a secondary manually coded signal;
• the step of temporarily enabling said transmitter to transmit said pre-selected variation of said coded signal, responsive to said transmitter receiving, within a primary predetermined period of time, a pre-selected variation of a tertiary manually coded signal. the step of temporarily enabling said transmitter to transmit said pre-selected variation of said coded signal, a predetermined number of times, within a secondary predetermined period of time, responsive to said transmitter receiving a pre-selected variation of a quaternary manually coded signal.

A method of preventing unauthorized driving of a vehicle;

• said method comprising the step of deactuating means necessary to operate the vehicle;
• said method comprising the added step of enclosing said deactuated means in a shared enclosure, in a manner inhibiting, mechanically and electrically, access to said means for the purpose of actuating said means;
• said method comprising the further step of enclosing, within said shared enclosure enclosing said deactuated means, a decoder, said decoder allowing, temporarily, said deactuated means to be activated, responsive to said decoder receiving a pre-selected variation of a coded signal;
• the aforesaid step of enclosing of decoder being executed in such a manner as to resist circumventing said decoder either mechanically or electrically to actuate said means;
• said method further comprising the step of providing a transmitter capable of transmitting, from a location remote from said deactuated means and said decoder and said enclosing, said pre-selected variation of said coded signal;
• the step of electrically connecting said decoder to an array of sockets into which said transmitter may be inserted and thereby placed into electrical communication with said decoder;
• the step of electrically connecting said decoder to a multi-conductor cable, said cable protruding from said shared enclosure and penetrating a preexisting aperture in the firewall of said vehicle, said cable terminating within the cabin of said vehicle where this cable shall be electrically connected to said array of sockets;
• the step of transmitting manually coded signals to said decoder, through said array of sockets and said cable, by inserting said transmitter into sequences of individual sockets of said array of sockets.

An article of manufacture comprising a circuit board having a substantially planar surface;

• said surface of said circuit board having substantially planar electrical conductors having the shape of alphanumeric characters;
• said conductors being coated with an electrically conductive material such that said electrically conductive material forms an upstanding convex curved surface boss thereon;
• said electrically conductive material being reflective of visible light;
• visible light emitting diodes being mounted to said circuit board such that said light emitting diodes illuminate said coated conductors substantially perpendicular to said planar surface;
• said reflective coating of said conductors reflecting light emitted by said light emitting diodes away from said planar surface.

A fastener as an article of manufacture comprising a bolt and an annular ring journaled onto said bolt;

• said annular ring forming a collar closely surrounding a portion of the shaft of said bolt and closely surrounding the head of said bolt and closely surrounding a portion of a fastening member threaded onto said bolt;
• said collar being rotatable with respect to said bolt, said head of said bolt, and said fastening member threaded onto said bolt;
• said head of said bolt being countersunk into a first aperture in said collar;
• said first aperture closely surrounding said head of said bolt;
• said collar being limited in axial translation with respect to said bolt by said head of said bolt;
• said collar being limited in axial translation with respect to said bolt by said fastening member threaded onto said bolt;
• said fastening member threaded onto said bolt being countersunk into a second aperture in said collar;
• said fastening member threaded onto said bolt being at least partially protuberant from said second aperture in said collar when said fastening member is fully threaded onto said bolt;
• said second aperture closely surrounding said fastening member;
• the face of said head of said bolt having a predetermined shape chosen from the group of shapes consisting of:
• each shape having a geometric center that is non-coincident with the central axis of the shape of said bolt and each shape that is not circular and not a regular polygon;
• said fastening means being resistant to removal by ordinary tools designed to engage ordinary threaded fasteners;
• said fastening means being easily removable only by extraordinary tools;
• said head being shaped such that a polygonal concavity of the driving end of any ordinary tool designed to engage the head of an ordinary threaded fastener may not fit over said head;
• said head being shaped such that a polygonal aperture of the driving end of any tool designed to engage the head of an ordinary threaded fastener may not fit over said head;
• said head being shaped such that a polygonal convexity of the driving end of any tool designed to engage the head of an ordinary threaded fastener may not fit into said head;
• said head being free of any aperture, and free of any slot, and free of any groove;
• said head being free of any upstanding boss, and free of any convexity;
• said fastener engaging a tool having, at its driving end, a concavity;
• said concavity having a predetermined cross sectional shape;
• said cross sectional shape of said concavity being chosen from a group of two dimensional shapes, each having a geometric center;
• said concavity corresponding exactly in shape and in size to said head of said bolt;
• said geometric center of said cross sectional shape of said concavity being non-coincident with the geometric central axis of said tool to a degree exactly corresponding to the degree to which said geometric center of said face of said head of said bolt is non-coincident with said geometric central axis of said bolt, such that said concavity is operable to engage said head in a female-male fitting relationship;
• said driving end of said tool fitting into said closely fitting collar surrounding said head of said bolt;
• said tool being capable of being used to apply torque to said head.

In a motor vehicle, an apparatus having the improvements comprising:

• means operable to enable normal operation of said vehicle;
• said vehicle being disabled from operation responsive to said enabling means being inoperable;
• an interlock deactuable to condition said enabling means for operation;
• said enabling means being inoperable responsive to said interlock being actuated;
• a decoder conditionable to function to deactuate said interlock;
• a transmitter activatable to condition said decoder to function by transmitting thereto a pre-selected variation of a complex coded signal;
• said decoder being dysfunctional responsive to said transmitter being deactivated from transmitting said pre-selected variation of said complex coded signal to said decoder;
• an enclosure simultaneously enclosing said enabling means and said interlock and said decoder;
• said transmitter being external to said enclosure, said enclosure being substantially more resistant to removal from the vehicle, tampering, penetration, and destruction than the ordinary housing of corresponding vehicle normal operation enabling means, said enclosure selected from the group consisting of a covering made of a composite material reinforced with fibers and a housing at least partially constructed from cylindrical channel shaped sections of metal pipe.