Bidirectional communication apparatus for transmitting/receiving

Details Bidirectional communication apparatus for transmitting/receiving Bidirectional communication apparatus for transmitting/receiving

1995-01-31

1996-01-02

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082503, 34031001, G05B 2302

Patent

active

054812496

ABSTRACT:
Full duplex communication is attained by using only one communication channel in wireless communication between a host computer 1 and a printer 6. The communication from the host computer 1 to the printer 6 is effected by wireless, and the communication from the printer 6 to the host computer 1 which includes a small amount of information is effected through a power line 9.

REFERENCES:
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patent: 3757032 (1973-09-01), Minerd et al.
patent: 3980954 (1976-09-01), Whyte
patent: 4638298 (1987-01-01), Spiro
patent: 4720873 (1988-01-01), Goodman et al.
patent: 5057829 (1991-10-01), Velazquez
patent: 5161021 (1992-11-01), Tsai
patent: 5247540 (1993-09-01), Hoge
Pat. Abs. Jp., vol. 12, No. 130 (E-603) Apr. 21, 1988 (JP-A-62256536).
Pat. Abs. Jp., vol. 14, No. 361 (M-1006) Aug. 6, 1990 (JP-A-21028881).
Pat. Abs. Jp., vol. 16, No. 142 (E-1187) Apr. 9, 1992 (JP-A-04000919).

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