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6470580 |
Tilt sensor
The pendulum assembly comprises a permanent magnet disposed in the vicinity of a pendulum, a U-shaped yoke by which most of the magnetic flux of the permanent magnet is gathered and passes through,...
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5541585 |
Security system for controlling building access
The present invention provides a security system for controlling access of persons through a controlled portal. The portal, such as a door, has a lock mechanism for securing the door. A presence...
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5518283 |
Protective guard assembly for vehicles
A protective assembly and method for use in combination with a vehicle body to protect the side and door panels of the vehicle body comprises an elongated guard movable between a retracted position...
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5515036 |
Passive keyless entry system
A passive keyless entry system that is specifically adapted for use with automotive vehicles is designed to automatically unlock the vehicle as the operator approaches the vehicle. The system is...
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5319364 |
Passive keyless entry system
A passive keyless entry system is disclosed that is specifically adapted for use with automotive vehicles. The system is designed to automatically unlock the vehicle as the operator approaches the...
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4942393 |
Passive keyless entry system
A passive keyless entry system is disclosed that is specifically adapted for use with automotive vehicles. The system is designed to automatically unlock the vehicle as the operator approaches the...
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4833281 |
Motion detector
A motion detector particularly adapted for use with the transmitter of a motor vehicle keyless entry system. The motion detector causes the transmitter device carried by the user to transmit a...
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