Code responsive radio receiver capable of operation with plural

Details Code responsive radio receiver capable of operation with plural Code responsive radio receiver capable of operation with plural

1997-02-19

1999-09-07

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

3408253, 34082531, 34082569, 34082572, 34082522, 380 23, 380 21, 380 25, 380 28, H04L 908

Patent

active

059493496

ABSTRACT:
A barrier movement system which is useful in provided barrier movement in environments where a first barrier such as a community gate is commonly controlled by a plurality of different actuators (transmitters) which actuators separately control other barriers such as household garage doors. The controller of the commonly controlled gate receives and contemporaneously analyzes codes in accordance with a plurality of different code format standards and at the same time analyzes the received code to determine which format is actually being received. In an embodiment only a fixed code portion of a rolling code sequence is used for actuation at the commonly controlled barrier.

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