JPS6249772B2 - - Google Patents

Info

Publication number
JPS6249772B2
JPS6249772B2 JP3915079A JP3915079A JPS6249772B2 JP S6249772 B2 JPS6249772 B2 JP S6249772B2 JP 3915079 A JP3915079 A JP 3915079A JP 3915079 A JP3915079 A JP 3915079A JP S6249772 B2 JPS6249772 B2 JP S6249772B2
Authority
JP
Japan
Prior art keywords
relay
switching
signal
volatile
sent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP3915079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55132138A (en
Inventor
Norio Takahashi
Satoru Kosugi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP3915079A priority Critical patent/JPS55132138A/ja
Publication of JPS55132138A publication Critical patent/JPS55132138A/ja
Publication of JPS6249772B2 publication Critical patent/JPS6249772B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
JP3915079A 1979-03-30 1979-03-30 Multiplex switching unit Granted JPS55132138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3915079A JPS55132138A (en) 1979-03-30 1979-03-30 Multiplex switching unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3915079A JPS55132138A (en) 1979-03-30 1979-03-30 Multiplex switching unit

Publications (2)

Publication Number Publication Date
JPS55132138A JPS55132138A (en) 1980-10-14
JPS6249772B2 true JPS6249772B2 (Direct) 1987-10-21

Family

ID=12545073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3915079A Granted JPS55132138A (en) 1979-03-30 1979-03-30 Multiplex switching unit

Country Status (1)

Country Link
JP (1) JPS55132138A (Direct)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7180638B1 (en) 2000-02-16 2007-02-20 Ricoh Co., Ltd. Network fax machine using a web page as a user interface

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2519678B2 (ja) * 1986-03-14 1996-07-31 株式会社東芝 スイッチ制御回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7180638B1 (en) 2000-02-16 2007-02-20 Ricoh Co., Ltd. Network fax machine using a web page as a user interface

Also Published As

Publication number Publication date
JPS55132138A (en) 1980-10-14

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