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| OF THE PREFERRED EMBODIMENTS In FIG. 1 and FIG. 2, the scooter V as a vehicle comprises a step ST ... |
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| Animal trap for capturing burrowing animals |
| The present invention provides a trap particularly suited for capturing burrowing animals, the ... |
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| System for detecting and capturing pests by suction |
| It is an object of the invention to provide a system for the registering and control of pests, in ... |
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| Electronic pest monitoring system and method |
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| Discreet bed-wetting alarm and method of use thereof |
| Briefly described, in a preferred embodiment, the present invention overcomes the above-mentioned ... |
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| Applications for radio frequency identification systems |
| The present invention relates to RFID devices, including handheld RFID devices, and applications ... |
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| Security and alarm system |
| The objects and purposes of the invention are met by providing a method and apparatus for ... |
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| Multicomponent wireless system with periodic shutdown of transmitting and receiving modes |
| According to a first aspect of the invention there is provided a communications system comprising a ... |
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| Video security backup system |
| In accordance with one aspect of the present invention, a video security system is provided having ... |
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| Home safety system |
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Pyroelectric intrusion detection in motor vehicles
| Details |
Inventors: Teowee, Gimtong; McCarthy, Kevin; Agrawal, Anoop;
Assignee: Donnelly Corporation (Holland, MI)
Primary Examiner: Tong; Nina
Assistant Examiner:
Attorney, Agent or Firm: Fitzpatrick, Cella, Harper & Scinto
Pyroelectric detector systems may be used in vehicles for security applications, such as intrusion detection and anti-theft alarms. The pyroelectric detectors are small in size, highly reliable and consume very low power. They can be physically and electrically integrated with other vehicle components, including rear-view mirror assemblies in automobiles, without incurring additional installation costs. They can also be easily integrated into aircraft cockpits. |
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DETAILED DESCRIPTION One aspect of the invention relates to a method of preventing the theft of a vehicle by detecting an entry or an attempted entry of a person into the vehicle using a pyroelectric detector and generating an alert signal when the entry or the attempted entry is detected.
Another aspect of the invention relates to a method of detecting intrusion into a vehicle by detecting a presence of a person in the vehicle using a pyroelectric detector and generating an alert signal when the presence of a person is detected.
Yet another aspect of the invention relates to an apparatus for detecting the presence or entry of a person in a vehicle including one or more pyroelectric detectors.
The detectors are mounted inside the motor vehicle, and each of the detectors has an electrical characteristic that changes when the infrared radiation arriving at the detector changes.
The apparatus includes electronic circuitry responsive to changes in the characteristics of the detectors, and generates an alert signal when the characteristics indicate the entry or presence of a person in the vehicle.
The method and apparatus of this invention provide a low cost, low power, compact intrusion detection system for use in vehicles including automobiles and aircraft.
This intrusion detection system can be advantageously used to prevent the theft of an entire vehicle.
It can also be used to prevent the theft of equipment or systems from the vehicle, such as audio equipment in cars, or avionic equipment in aircraft.
The system operates by detecting an entry (or an attempted entry) into the vehicle using a pyroelectric detector, and generating an alert signal in response.
This intrusion detector system, which may be advantageously integrated with various common automotive or avionic components, can monitor for sudden changes of the thermal profile of the vehicle interior, particularly when the vehicle is off.
If desired, the detection system of this invention can include more than one detector to scan a larger field of view, or the field of view can be limited to specific areas in the vehicle such as the radio or steering wheel of an automobile
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Communications 
