Remote control device for vehicle locks
This patent describes a remote control device for operating locks of a vehicle comprising, a receiver provided on the vehicle and a transmitter remote from the vehicle, the receiver being adapted to receive a remote control signal transmitted from the transmitter at a location remote from the vehicle and in response thereto control locking and unlocking of the vehicle locks, characterized in that: the transmitter comprising, means for coding keyword information, means for converting the coded information into pulses, means for pulse-modulating the pulses, and means for transmitting the pulse-modulated pulses as a remote control signal; the receiver comprising, means for receiving the remote control signal, means for demodulating the received signal, means for decoding the demodulated signal into an encoded information signal, means for comparing the encoded information signal with a preset code and means for generating an execution signal for operating the locks upon occurrence of a predetermined relationship between the encoded information signal and the preset code.
- Assignee:
- Yuhshin Co., Ltd., Tokyo
- Patent Number(s):
- US 4788542
- OSTI ID:
- 6223232
- Resource Relation:
- Patent File Date: Filed date 19 Nov 1986
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
FASTENERS
COMPUTERIZED CONTROL SYSTEMS
VEHICLES
DATA TRANSMISSION SYSTEMS
DESIGN
PHYSICAL PROTECTION DEVICES
PULSE TECHNIQUES
REMOTE CONTROL
SECURITY
SIGNALS
CONTROL
CONTROL SYSTEMS
420800* - Engineering- Electronic Circuits & Devices- (-1989)
990220 - Computers
Computerized Models
& Computer Programs- (1987-1989)