Serial code format optimized for remote control applications ove

Details Serial code format optimized for remote control applications ove Serial code format optimized for remote control applications ove

1994-06-15

1996-11-05

Bocure, Tesfaldet

Pulse or digital communications

Synchronizers

Frequency or phase control using synchronizing signal

375237, 375259, 375340, H04L 700, H04L 2706, H04L 2700

Patent

active

055725554

ABSTRACT:
A transmitted data stream in a remote control system is a serial data stream having a synchronization sequence and a data sequence. The data sequence is encoded into a symbol comprised of a series of data bits wherein a 110 may represent a logic 1 and a 011 may represent a logic 0. A self adaptive filter adjusts its gain and offset to determine the duration of one bit. Providing a serial code format wherein the synchronization sequence has a smiller duty cycle as the duty cycle of a symbol aids the self adaptive filter to set its threshold switching level accurately and quickly, thus aiding the receiver to decode the transmitted data stream.

REFERENCES:
patent: 3903504 (1975-09-01), Rogers et al.
Data Manual for Texas Instruments TMC3637 Remote-Control Transmitter/Receiver, Pub #SCTS037A, 0493-4-AL from: Linear Products, 1993; Copyright .COPYRGT.1993, Texas Instruments Incorporated, D4085, Apr. 1993, Printed in the U.S.A.; Total: 48 pp. (i-vi, 1.1-1.4, 2.1-2.4, 3.1-3.2, 4.1-4.16, 5.1-5.16).
Texas Instruments TMC3637 Remote Control Tranmitter/Receiver Data Manual Pub #SCTS037A ERRATA; Revision date Dec. 21, 1993, 6:30pm.; Texas Instruments Incorporated, Dallas, Texas, Technical Applications Support: Greg Davis (214) 997-3022 and Linear Marketing Support: Rudy Profaizer (214) 997-3410: Total: 7 pp.

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