Digital telephone switching system having plural terminal devices directly connected to a common digital line

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United States of America Patent

PATENT NO 5719855
SERIAL NO

08583943

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A plurality of digital telephones 2A, 2B are provided in direct multiple connection with a digital line 4 introduced from a private branch exchanging system. Each of the digital telephones 2A, 2B sends a burst signal containing its own telephone call data, and burst signals from the telephones 2A, 2B are combined into a single burst signal on the digital line 4 to transmit communication data of the telephones 2A, 2B in the form of the single burst signal to the private branch exchanger 1.

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Patent Owner(s)

Patent OwnerAddress
HITACHI TELECOM TECHNOLOGIES LTD94 AZA FUNABAMUKAI KORIYAMA-SHI FUKUSHIMA-KEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ando, Tatsuhiko Fukushima-ken, JP 3 5
Kobayashi, Yuji Fukushima-ken, JP 274 2386
Kumakura, Masumi Fukushima-ken, JP 2 11

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