Data communication apparatus and method including means for and

Details Data communication apparatus and method including means for and Data communication apparatus and method including means for and

1993-10-27

1995-08-01

Nguyen, Hoa T.

Excavating

395575, G06F 1110

Patent

active

054385768

ABSTRACT:
A communication apparatus includes a control circuit for obtaining a transmission text formed of one of a single character and a series of characters, the last of which is one of specified control characters and a character of error check data, and a radio communication unit connected to the control circuit, for storing each character of the transmission text supplied from the control circuit and transmitting the transmission text stored therein. Particularly, the control circuit is arranged to add a dummy character after the character of error check data as a new last character except in the case where the character of error check data has a value identical to the code of the dummy character. The radio communication unit is arranged to transmit the transmission text upon detecting the code of any one of the dummy and specified control characters in the transmission text.

REFERENCES:
patent: 5153585 (1992-10-01), Negishi et al.
patent: 5229890 (1993-07-01), Okauchi
patent: 5253345 (1993-10-01), Fernandes et al.

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