Carrier control method by using phase-pulse signals

Details Carrier control method by using phase-pulse signals Carrier control method by using phase-pulse signals

1983-03-23

1986-01-07

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

307 3, 340310A, H04Q 900, G08C 1924

Patent

active

045636796

ABSTRACT:
An address discrimination channel and terminal selection channels are established in the low-noise region of a first one of two succeeding cycles of an alternating current carrier wave, whereas returning channels are established in the low-noise region of the second cycle of the same. A receiver inserts an address discrimination phase-pulse signal and a terminal selection phase-pulse signal, respectively, into the address discrimination channel and the terminal selection channels of the aforementioned first cycle. A terminal equipment inserts a returning phase-pulse signal into the returning channels of the aforementioned second cycle when it detects the address discrimination phase-pulse signal on the address discrimination channel, and the terminal selection phase-pulse signal having an address code coinciding with the address code of said terminal equipment on the terminal selection channels.

REFERENCES:
patent: 4163218 (1979-07-01), Wu
patent: 4179624 (1979-12-01), Shindo et al.
patent: 4340880 (1982-07-01), Baumann et al.
patent: 4370564 (1983-01-01), Matsushita
patent: 4430639 (1984-02-01), Bennett

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