Communications: electrical – Continuously variable indicating – With meter reading
Patent
1990-01-26
1991-08-27
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34082558, 34082559, 375 55, G08C 1900, H04L 2710
Patent
active
050437232
ABSTRACT:
A memory remote control device which comprises a wave shaping circuit for shaping a received remote-controlled signal and for outputting a pulse signal and an envelope signal, and a microcomputer operable to convert the remote-controlled signal into data for storage in a memory and for reproducing the remote-controlled signal on the basis of the data stored in the memory. This microcomputer comprises an input port for receiving the received remote-controlled signal; a determining circuit for determining whether or not the received remote-controlled signal is a remote-controlled signal of particular format on the basis of the pulse signal and the envelope signal; a memory operable to convert the remote-controlled signal into data and storing the data in the memory on the basis of the remote-controlled signal inputted to the input port in the event that the received remote-controlled signal has been the remote-controlled signal of particular format; and a reproducing circuit for reproducing the remote-controlled signal of particular format on the basis of the data stored in the memory.
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patent: 4802114 (1989-01-01), Sagame
patent: 4866434 (1989-09-01), Keenan
"Low Voltage IR Control Transmitter (RC-5)" Development Data, Jul. 1983.
"PCM Remote Control Chips Detect Transmission Errors", G. Torelli and A. Hennigan, Electronic Engineering, Apr. 1983.
Araki Yasuhiro
Nanbu Masaru
Sharp Kabushiki Kaisha
Yusko Donald J.
Zimmerman Brian
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