Communications: electrical – Continuously variable indicating – With meter reading
Patent
1982-09-15
1985-11-26
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
328109, 307234, H04Q 136, H03K 520
Patent
active
045557020
ABSTRACT:
A remote control signal reproducing circuit for use in a remotely-controlled receiver which receives a modulated transmission signal subjected to a pulse modulation, reproduces an original remote control signal form the received modulated transmission signal, and judges the reproduced remote control signal for effecting predetermined control operations based on pulse counts obtained during three predetermined successive time intervals.
A remote control signal is delivered if the pulse count obtained in the first time interval exceeds a first level. Judgement of the remote control signal is stopped when the number of pulses counted during the second and third time intervals is below or above predetermined numbers respectively. The circuit functions to eliminate noise pulse.
REFERENCES:
patent: 3686634 (1972-08-01), Malchman et al.
patent: 3855575 (1974-12-01), Leuschner et al.
patent: 4231018 (1980-10-01), Imigawa et al.
Rolf D. Burth, "Remote Control with MOS ICS for T.V. Sets", IEEE Transactions on Consumer Electronics, vol. CE-21, No. 4, Nov. 1975, pp. 311-319.
SAA 1050, SAA 1051, IC-Kit for Infrared Remote Control, Publication Order-No. 6251-110-2E, May 1978, ITT Semiconductors, pp. 1-22.
Ito Uji
Matsuura Shigeo
Yakushiji Yasuhiro
Hitachi , Ltd.
Yusko Donald J.
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