Communication apparatus

Details Communication apparatus Communication apparatus

1997-06-30

2000-06-06

Vu, Kim Yen

Facsimile and static presentation processing

Facsimile

Auxiliary signal

358436, H04N 132

Patent

active

060725974

ABSTRACT:
A facsimile apparatus which can make definite the presence or absence of optional signals such as a password signal (PWD), a sub-address signal (SUB), a selective polling signal (SEP) and the like in communication between transmitting and receiving stations, thereby preventing an erroneous operation.
A digital transmit command signal (DTC) is used to notify a remote station whether a transmit command signal includes the password signal (PWD) and selective polling signal (SEP). A digital command signal (DCS) is used to notify a remote station whether a receive command signal includes the password signal (PWD) and sub-address signal (SUB).

REFERENCES:
patent: 4727429 (1988-02-01), Ueno
patent: 4729033 (1988-03-01), Yoshida
patent: 4785355 (1988-11-01), Matsumoto
patent: 4814894 (1989-03-01), Yoshida
patent: 4885755 (1989-12-01), Yoshida
patent: 5093857 (1992-03-01), Yoshida et al.
patent: 5128985 (1992-07-01), Yoshida et al.
patent: 5307179 (1994-04-01), Yoshida
patent: 5521719 (1996-05-01), Yamada
patent: 5585938 (1996-12-01), Imamura
patent: 5671270 (1997-09-01), Yoshida
Pat. Abs. Jp., vol. 17, No. 347 (E-1391) Jun. 30, 1993 (JR-A-05048781).

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