Method of controlling a frame phase of a time-division switch and frame phase variable time-division switch

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United States of America Patent

PATENT NO 5351238
SERIAL NO

07719912

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Abstract

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A frame phase variable time-division switch according to the present invention comprises an input highway, a data memory for storing data multiplexed on the data highway, an output highway to which data read out of the data memory is outputted, a control memory for storing a write address or a read address of the data memory, a write counter for generating a write pulse, a read counter for generating a read pulse, a write reset terminal for inputting a pulse for controlling the phase of the write counter, and a read reset terminal for inputting a pulse for controlling the phase of the read counter.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD6-6 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008280 ?1008280
HITACHI COMMUNICATION SYSTEM INC180 TOTSUKA-CHO TOTSUKA-KU YOKOHAMA-SHI KANAGAWA-KEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ashi, Yoshihiro Yokohama, JP 99 1728
Nakano, Yukio Hachioji, JP 107 3383
Takeda, Kenji Nagoya, JP 140 3042

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