JPH0329240B2 - - Google Patents

Info

Publication number
JPH0329240B2
JPH0329240B2 JP59016009A JP1600984A JPH0329240B2 JP H0329240 B2 JPH0329240 B2 JP H0329240B2 JP 59016009 A JP59016009 A JP 59016009A JP 1600984 A JP1600984 A JP 1600984A JP H0329240 B2 JPH0329240 B2 JP H0329240B2
Authority
JP
Japan
Prior art keywords
power outage
circuit
power
ringer
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
JP59016009A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60162396A (ja
Inventor
Yoshinobu Ashigaya
Masaru Kudo
Takanori Ozawa
Seiya Uchida
Keisuke Mochizuki
Morio Takiguchi
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
Taiko Electric Works Ltd
Kanda Tsushin Kogyo Co Ltd
Iwasaki Tsushinki KK
Original Assignee
Nippon Telegraph and Telephone Corp
Taiko Electric Works Ltd
Kanda Tsushin Kogyo Co Ltd
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, Taiko Electric Works Ltd, Kanda Tsushin Kogyo Co Ltd, Iwasaki Tsushinki KK filed Critical Nippon Telegraph and Telephone Corp
Priority to JP59016009A priority Critical patent/JPS60162396A/ja
Publication of JPS60162396A publication Critical patent/JPS60162396A/ja
Publication of JPH0329240B2 publication Critical patent/JPH0329240B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/18Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP59016009A 1984-02-02 1984-02-02 停電着信回路 Granted JPS60162396A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59016009A JPS60162396A (ja) 1984-02-02 1984-02-02 停電着信回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59016009A JPS60162396A (ja) 1984-02-02 1984-02-02 停電着信回路

Publications (2)

Publication Number Publication Date
JPS60162396A JPS60162396A (ja) 1985-08-24
JPH0329240B2 true JPH0329240B2 (enrdf_load_stackoverflow) 1991-04-23

Family

ID=11904588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59016009A Granted JPS60162396A (ja) 1984-02-02 1984-02-02 停電着信回路

Country Status (1)

Country Link
JP (1) JPS60162396A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2524882B2 (ja) * 1990-09-28 1996-08-14 株式会社田村電機製作所 通信管理装置

Also Published As

Publication number Publication date
JPS60162396A (ja) 1985-08-24

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