Telephone system

The is provided by the present invention a telephone system with high versatility comprising a corded telephone set, a cordless telephone set, and a relay lifter, wherein said relay lifter comprises a hook switch unit for turning ON/OFF a hook switch of the corded telephone set according to a first...

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Bibliographic Details
Main Authors EHARA; MAKOTO, KUDO; TAKAHIRO, SHIMIZU; KAZUHIKO, OHASHI; SUSUMI, MIN; ZHAO, LIPP; RONALD LEE, KANEDA; ATSUSHI, ODAGIRI; TAKASHI, OHNO; HIROKI
Format Patent
LanguageEnglish
Published 24.03.1998
Edition6
Subjects
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