DIFFERENTIAL TRANSMISSION CIRCUIT AND SIGNAL REGENERATION METHOD

PROBLEM TO BE SOLVED: To obtain a differential transmission circuit capable of preventing malfunction caused by input of an indefinite signal in a state where the circuit is not correctly connected with a partner side apparatus, and to provide a signal regeneration method. SOLUTION: An output 14 of...

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Bibliographic Details
Main Author TSUCHIDA JUNICHI
Format Patent
LanguageEnglish
Published 13.09.2007
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PULSE TECHNIQUE
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:PROBLEM TO BE SOLVED: To obtain a differential transmission circuit capable of preventing malfunction caused by input of an indefinite signal in a state where the circuit is not correctly connected with a partner side apparatus, and to provide a signal regeneration method. SOLUTION: An output 14 of a differential receiver 13 is supplied to an internal logic circuit 15 and is input into a band rejection filter 21 where there is transmitted a wavelength component of only noise generated in a state of a self device not having been correctly connected with a partner side device. Consequently, a set/reset flip flop 21 is set by input of an indefinite signal to generate a mask signal 16 by a time defined by a mask period set circuit 25, permitting the output 14 to be masked in the internal logic circuit 15. Hereby, malfunction of a later stage circuit is prevented. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20060055303