Vehicle-integrated access control device

For use in a motor vehicle having an electrical system including a positive pole, a ground and a plurality of electrical circuits, a vehicle-integrated access control device for operating a security barrier from a motor vehicle where the motor vehicle has a plurality of pre-existing vehicle equipment controls and the security barrier has a barrier control operatively connected thereto for selectively opening and closing the security barrier in response to an access control signal, the access control device comprising:

• an access control signal transmitter capable of selectively operating the barrier control, the access control signal transmitter being operatively connectable to the plurality of equipment controls of the motor vehicle such that, when the plurality of equipment controls are operated in a predetermined manner, the access control signal transmitter operates the barrier control,
• said vehicle-integrated access control device further comprising a first transistor switch so connected to a first electrical circuit of the motor vehicle as to provide a first transistor output voltage when the first electrical circuit of the motor vehicle is closed;
• and
• a second transistor switch, connected to the first transistor switch and to a second electrical circuit of the motor vehicle so as to provide a second transistor output voltage when the first transistor switch provides a first transistor output voltage while second electrical circuit of the motor vehicle is closed, the second transistor providing a power input to the access control signal transmitter.

A vehicle-integrated access control device for operating a security barrier from a motor vehicle where the motor vehicle has a plurality of pre-existing vehicle equipment controls and the security barrier has a barrier control operatively connected thereto for selectively opening and closing the security barrier in response to an access control signal, the access control device comprising:

• an access control signal transmitter capable of selectively operating the barrier control, the access control signal transmitter being operatively connectable to the plurality of equipment controls of the motor vehicle such that, when the plurality of equipment controls are operated in a predetermined manner, the access control signal transmitter operates the barrier control,
• said vehicle-integrated access control device further comprising a logical AND device, the logical AND device including first and second input channels and an output channel, each of said first and second input channels having an OFF condition and an ON condition, the first input channel being operatively connectable to a first equipment control of the motor vehicle so as to register an ON condition when the first control is being operated in a predetermined manner and for a predetermined time period thereafter, the second input channel operatively connectable to a second equipment control of the motor vehicle so as to register an ON condition when the second equipment control is operated in a predetermined manner, the output channel of the logical AND device being operatively connected to the access control signal transmitter so as to cause the access control signal transmitter to operate the barrier control when the first and second input channels simultaneously register an ON condition, whereby, when the first and second vehicle equipment controls are operated in a predetermined manner within a predetermined time period, the barrier control is operated.

A vehicle-integrated access control device for operating a security barrier from a mot or vehicle where the motor vehicle has a plurality of motor vehicle equipment controls and the barrier has barrier operating means capable of selectively admitting a vehicle past the barrier in response to an access control signal, the access control device comprising:

• signal transmitting means providing an access control signal to the barrier operating means in response to an activating signal;
• and
• input means, operatively connected to the signal transmitting means, capable of providing an activating signal to the signal transmitting means when the plurality of motor vehicle equipment controls are operated in concert,
• said vehicle-integrated access control device further comprising:
• a first vehicle equipment control actuation detection means operatively connected to a first motor vehicle equipment control and operatively connected to the input means;
• and a second vehicle equipment control actuation detection means operatively connected to a second motor vehicle equipment control and operatively connected to the input means,
• the input means providing the activating signal to the signal transmitting means when the second motor vehicle equipment control is actuated within an interval beginning when the first equipment control is actuated and ending a predetermined time period after the first equipment control ceases to be actuated;
• wherein the input means comprises a logical AND device having an output channel and first and second input channels, the output channel being operatively connected to the signal transmitting means, the first and second input channels being operatively connected to first and second vehicle control actuation detection means,
• each of the first and second vehicle control actuation detection means causing the corresponding first or second input channel to provide an ON condition to the logical AND device when the respective first or second motor vehicle control is actuated,
• the output channel of the logical AND device providing an activating signal to the signal transmitting means when the second input channel provides an ON condition within an interval beginning when the first input channel begins to provide an ON condition and ending a predetermined time period after the first input channel to provide an ON condition.

A vehicle-integrated access control device for operating a security barrier from a mot or vehicle where the motor vehicle has a plurality of motor vehicle equipment controls and the barrier has barrier operating means capable of selectively admitting a vehicle past the barrier in response to an access control signal, the access control device comprising:

• signal transmitting means providing an access control signal to the barrier operating means in response to an activating signal;
• and
• input means, operatively connected to the signal transmitting means, capable of providing an activating signal to the signal transmitting, means when the plurality of motor vehicle equipment controls are operated in concert,
• said vehicle-integrated access control device further comprising:
• a first vehicle equipment control actuation detection means operatively connected to a first motor vehicle equipment control and operatively connected to the input means;
• and
• a second vehicle equipment control actuation detection means operatively connected to a second motor vehicle equipment control and operatively connected to the input means,
• the input means providing the activating signal to the signal transmitting means when the second motor vehicle equipment control is actuated within an interval beginning when the first equipment control is actuated and ending a predetermined time period after the first equipment control ceases to be actuated;
• wherein the input means comprises:
• a first transistor switch so connected to a first electrical circuit of the motor vehicle as to provide a first transistor output voltage when the first electrical circuit of the motor vehicle is closed;
• a second transistor switch so connected to the first transistor switch and to a second electrical circuit of the motor vehicle as to provide a second transistor output voltage when the second electrical circuit of the motor vehicle is closed within an interval beginning when the first electrical circuit is closed and ending a predetermined time period after the first electrical circuit ceases to be closed,
• the second transistor switch output voltage providing a power input to the access control signal transmitter.