JPS6147037B2 - - Google Patents

Info

Publication number
JPS6147037B2
JPS6147037B2 JP9939080A JP9939080A JPS6147037B2 JP S6147037 B2 JPS6147037 B2 JP S6147037B2 JP 9939080 A JP9939080 A JP 9939080A JP 9939080 A JP9939080 A JP 9939080A JP S6147037 B2 JPS6147037 B2 JP S6147037B2
Authority
JP
Japan
Prior art keywords
power outage
circuit
power
telephone
line
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
JP9939080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5725787A (en
Inventor
Seiya Uchida
Koichi Sekiguchi
Kazuyuki Yamamoto
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.)
Nippon Telegraph and Telephone Corp
Iwasaki Tsushinki KK
Original Assignee
Nippon Telegraph and Telephone Corp
Iwasaki Tsushinki KK
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 Telegraph and Telephone Corp, Iwasaki Tsushinki KK filed Critical Nippon Telegraph and Telephone Corp
Priority to JP9939080A priority Critical patent/JPS5725787A/ja
Publication of JPS5725787A publication Critical patent/JPS5725787A/ja
Publication of JPS6147037B2 publication Critical patent/JPS6147037B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP9939080A 1980-07-22 1980-07-22 Control system of channel during service interruption Granted JPS5725787A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9939080A JPS5725787A (en) 1980-07-22 1980-07-22 Control system of channel during service interruption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9939080A JPS5725787A (en) 1980-07-22 1980-07-22 Control system of channel during service interruption

Publications (2)

Publication Number Publication Date
JPS5725787A JPS5725787A (en) 1982-02-10
JPS6147037B2 true JPS6147037B2 (enrdf_load_stackoverflow) 1986-10-17

Family

ID=14246164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9939080A Granted JPS5725787A (en) 1980-07-22 1980-07-22 Control system of channel during service interruption

Country Status (1)

Country Link
JP (1) JPS5725787A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62243816A (ja) * 1986-04-17 1987-10-24 月島産業株式会社 温冷ヘルメツト装置
JPH0269935U (enrdf_load_stackoverflow) * 1988-11-12 1990-05-28
JPH03294505A (ja) * 1990-04-06 1991-12-25 Toshio Kojima 冷却装置を具えた安全帽

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62243816A (ja) * 1986-04-17 1987-10-24 月島産業株式会社 温冷ヘルメツト装置
JPH0269935U (enrdf_load_stackoverflow) * 1988-11-12 1990-05-28
JPH03294505A (ja) * 1990-04-06 1991-12-25 Toshio Kojima 冷却装置を具えた安全帽

Also Published As

Publication number Publication date
JPS5725787A (en) 1982-02-10

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