Car theft proofing system
First Claim
1. A car theft proofing system comprising a sensor disposed adjacent a cylinder lock for detecting insertion into the cylinder lock of a door key or other article, an alarm device for giving an alarm, alarm drive means to output a signal for driving the alarm device, control means to cause the alarm device to give an alarm in response to a signal received from the sensor and a signal received from the alarm drive means, and a radio transmitter for detecting insertion of the article and transmitting a radio wave, wherein said alarm drive means includes a portable remote control transmitter and a receiver disposed on a car body, said remote control transmitter including abnormality alarm means for transmitting a theft signal in response to the radio wave transmitted from radio transmitter.
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Accused Products
Abstract
A car theft proofing system includes a sensor a sensor disposed adjacent a cylinder lock for detecting insertion into the cylinder lock of a door key or other article, an alarm device for giving an alarm, an alarm drive device for driving the alarm device, a control unit for causing the alarm device to give the alarm in response to signals received from the sensor and the alarm drive device, and a radio transmitter for transmitting a radio wave upon insertion of the article. The alarm drive device includes a portable remote control transmitter and a receiver disposed on a car body. The remote control transmitter includes an abnormality alarm for transmitting a theft signal in response to the radio wave transmitted from the radio transmitter.
12 Citations
16 Claims
- 1. A car theft proofing system comprising a sensor disposed adjacent a cylinder lock for detecting insertion into the cylinder lock of a door key or other article, an alarm device for giving an alarm, alarm drive means to output a signal for driving the alarm device, control means to cause the alarm device to give an alarm in response to a signal received from the sensor and a signal received from the alarm drive means, and a radio transmitter for detecting insertion of the article and transmitting a radio wave, wherein said alarm drive means includes a portable remote control transmitter and a receiver disposed on a car body, said remote control transmitter including abnormality alarm means for transmitting a theft signal in response to the radio wave transmitted from radio transmitter.
Specification