Digital active optical target detection system

A movable projectile, comprising:

• a fuselage;
• a motor coupled to the fuselage for driving movement of the fuselage through an environment, the fuselage extending along a central longitudinal axis of the projectile;
• an actionable element for being activated upon proximity of the projectile to a target located within the environment;
• a projectile controller directing activation of the actionable element;
• and
• a target detector array including a plurality of detection systems, wherein each detection system is a detection system for analyzing an environment about the detection system during movement of the detection system along a flight path through the environment, the detection system including:
• a laser light assembly that transmits temporally spaced pulses of light outwardly from the detection system;
• an optical detector that receives photonic energy of the transmitted light reflected back towards the detection system by the environment and that converts the photonic energy to electrical energy;
• a charge storage architecture that receives and stores the converted electrical energy;
• a charge reading architecture that digitizes the electrical energy stored at the charge storage architecture and transmits data regarding an energy level of the stored energy, wherein the electrical energy is digitized in a plurality of samples per emission of each pulse of light from the laser light assembly;
• and
• a controller that receives digitized data from the charge reading architecture and analyzes said data, wherein the controller compiles a profile of the environment about the detection system including the measurements of the electrical energy from the analyses versus the time elements, and compares the compiled profile against predetermined profiles of environmental elements to enable recognition of the environmental elements by the detection system, and wherein the controller is configured to output a target declaration signal upon recognition of a pre-determined environmental element,
• wherein the plurality of detection systems are communicatively coupled to the projectile controller and configured to detect the target and to output a signal to cause the activation of the actionable element upon the proximity of the projectile to the target, the detection systems positioned circumferentially about a periphery of the projectile and about the central longitudinal axis of the projectile, each of the detection systems wherein the respective controller is a detector controller that is configured to output the target declaration signal upon recognition of the target being the pre-determined environmental element, to cause the projectile controller to activate the actionable element,
• wherein the plurality of detection systems are circumferentially positioned in an arrangement circumferentially spaced from one another to prevent overlap of the transmitted light pulses, which are fan-shaped light pulses, in a predefined space about the projectile.

A detection system for analyzing an environment about the detection system during movement of the detection system along a flight path through the environment, the detection system comprising:

• a laser light assembly that transmits temporally spaced pulses of light outwardly from the detection system, said pulses transiting a radial area of space during each emission period of each discrete pulse of light;
• an optical detector that receives photonic energy of the transmitted light reflected back towards the detection system by the environment and that converts the photonic energy to electrical energy;
• a charge storage architecture that receives and stores the converted electrical energy;
• a charge reading architecture that digitizes the electrical energy stored at the charge storage architecture and transmits data regarding an energy level of the stored energy, wherein the electrical energy is digitized at a rate of 30 to 50 of samples per each emission period, wherein a digitization speed of each sample of the plurality of samples is less than five nanoseconds;
• and
• a controller that receives digitized data from the charge reading architecture and analyzes said data to determine proximity of the detection system to a pre-determined environmental element.

A detection system for analyzing an environment about the detection system during movement of the detection system along a flight path through the environment, the detection system comprising:

• a laser light assembly that transmits temporally spaced pulses of light outwardly from the detection system;
• an optical detector that receives photonic energy of the transmitted light reflected back towards the detection system by the environment and that converts the photonic energy to electrical energy;
• a charge storage architecture that receives and stores the converted electrical energy;
• a charge reading architecture that digitizes the electrical energy stored at the charge storage architecture and transmits data regarding an energy level of the stored energy, wherein the electrical energy is digitized in a plurality of samples per emission of each pulse of light from the laser light assembly;
• a controller that receives digitized data from the charge reading architecture and analyzes said data, wherein the controller compiles a profile of the environment about the detection system including the measurements of the electrical energy from the analyses versus the time elements, and compares the compiled profile against predetermined profiles of environmental elements to enable recognition of the environmental elements by the detection system, and wherein the controller is configured to output a target declaration signal upon recognition of a pre-determined environmental element,
• wherein the detection system further includes a temporal filter tuned to provide a signal in response to a change in energy level received to facilitate detection of a leading edge of the signal released from the charge storage architecture.

A detection system for analyzing an environment about the detection system during movement of the detection system along a flight path through the environment, the detection system comprising:

• a laser light assembly that transmits temporally spaced pulses of light outwardly from the detection system, said pulses transiting a radial area of space during each emission period of each discrete pulse of light;
• an optical detector that receives photonic energy of the transmitted light reflected back towards the detection system by the environment and that converts the photonic energy to electrical energy;
• a charge storage architecture that receives and stores the converted electrical energy;
• a charge reading architecture that digitizes the electrical energy stored at the charge storage architecture and transmits data regarding an energy level of the stored energy, wherein the electrical energy is digitized at a rate of a plurality of tens of samples per each emission period, wherein a digitization speed of each sample of the plurality of samples is less than five nanoseconds;
• and
• a controller that receives digitized data from the charge reading architecture and analyzes said data to determine proximity of the detection system to a pre-determined environmental element,
• wherein the charge reading architecture is configured to digitize each of the plurality of samples at least a factor of 10,000 times to 30,000 times faster than the duration of an interval between signals sent by the controller to trigger subsequent emissions of light from the laser light assembly.

A detection system for analyzing an environment about the detection system during movement of the detection system through the environment along a flight path, the detection system comprising:

• a laser light assembly that transmits temporally spaced fan-shaped pulses of light outwardly from the detection system;
• and
• a monolithically arranged optical circuit having a body including a single pixel of a 1-by-1 array, a charge storage well, a comparator or an A-to-D converter, and a controller, wherein the optical circuit is configured to receive photonic energy of the transmitted light reflected back towards the detection system by the environment and that converts the photonic energy to electrical energy, wherein the charge storage well receives and stores the converted electrical energy, and wherein the comparator or the A-to-D converter digitizes the electrical energy stored in the charge storage well and transmits data regarding the electrical energy level of the electrical energy received into the charge storage well;
• and
• wherein the controller is configured to compile a profile of the environment about the detection system including the measurements of the electrical energy from the analyses versus times of digitization along the flight path of the respective electrical energy and configured to compare the compiled profile against the predetermined profiles of environmental elements to enable recognition of the environmental elements by the detection system, and wherein the controller is configured to output a target declaration signal upon recognition of a pre-determined environmental element.