AI Patent Summary

Patent Document
#US6049289A
United States Patent 115
Abstract
A remote control system for opening and closing a barrier, such as a garage door, includes an RF receiver and a plurality of RF transmitters. The transmitters and receiver include circuitry programmed to provide transmission of encrypted code signals each time the transmitters are used and employing a code hopping method which prevents unauthorized signal interception or code “grabbing”. The system is operated in a code learning mode for the receiver by momentarily actuating a receiver learn mode button for receiving each transmitter identification code and a secret decryption key for that transmitter with the system auto- matically returning to the operate mode. Each transmitter identification and secret key code signal is automatically and randomly stored in an available and unused memory in the receiver circuitry. A multibit hopping code is transmitted from each transmitter to the receiver with each transmitter operation in the operate mode of the system and the hopping code changes with cach transmission to prevent theft or code grabbing and resultant unauthorized operation of the system.
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Patent Classification & AI Product Mapping
Authoritative patent classification definitions mapped to real-world technology domains and commercial product categories.
CPC G07C9/00
Confidence: High
Official Definition
Individual registration on entry or exit
PHYSICS > CHECKING-DEVICES > TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
AI Technology & Product Mapping
Technology Domain:
Access Control & Security Systems
Product Category:
Physical Access Control Systems
Plain-English Summary:
Systems and methods for tracking, logging, or controlling the entry and exit of individuals or authorized entities into a secured area or zone.
Relation to Claims:
The patent deals with a remote-controlled barrier opening system (such as a garage door), which inherently manages authorized entry into a secured property.
CPC G07C9/00174
Confidence: High
Official Definition
Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
PHYSICS > CHECKING-DEVICES > TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
AI Technology & Product Mapping
Technology Domain:
Wireless Security & Electronic Access
Product Category:
Electronic Locks & Keyless Entry Systems
Plain-English Summary:
Electronic locking mechanisms and associated circuits that rely on electronic data carriers or wireless keys rather than traditional physical keys.
Relation to Claims:
The disclosure describes RF transmitters acting as non-mechanical keys transmitting encrypted codes to operate a barrier lock or opener.
CPC G07C9/00309
Confidence: Medium
Official Definition
Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
PHYSICS > CHECKING-DEVICES > TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
AI Technology & Product Mapping
Technology Domain:
Secure Two-Way Wireless Communications
Product Category:
Advanced Access Control Transceivers
Plain-English Summary:
Electronic locks and non-mechanical keys that communicate using two-way data transmission between the key (or transmitter) and the lock receiver.
Relation to Claims:
The system utilizes transmitters and a receiver programmed with identification codes, secret decryption keys, and a code learning mode for registering individual transmitters.
CPC G08C17/00
Confidence: High
Official Definition
Arrangements for transmitting signals characterised by the use of a wireless electrical link
PHYSICS > SIGNALLING > TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
AI Technology & Product Mapping
Technology Domain:
Wireless Remote Control Technology
Product Category:
Wireless Telemetry & Control Devices
Plain-English Summary:
General systems and circuit arrangements used to transmit control or status signals through the air using wireless technology.
Relation to Claims:
The patent relies entirely on wireless RF transmission of control signals from multiple handheld transmitters to a fixed receiver.
CPC G08C17/02
Confidence: High
Official Definition
Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
PHYSICS > SIGNALLING > TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
AI Technology & Product Mapping
Technology Domain:
Radio Frequency (RF) Remote Controls
Product Category:
RF Transmitters and Receivers
Plain-English Summary:
Signal transmission systems specifically utilizing radio frequency (RF) radio waves to send control commands between devices.
Relation to Claims:
The abstract explicitly states the system includes an 'RF receiver and a plurality of RF transmitters' communicating via encrypted code signals and code hopping.