JPS60226296A - ボタン電話装置 - Google Patents

ボタン電話装置

Info

Publication number
JPS60226296A
JPS60226296A JP59082164A JP8216484A JPS60226296A JP S60226296 A JPS60226296 A JP S60226296A JP 59082164 A JP59082164 A JP 59082164A JP 8216484 A JP8216484 A JP 8216484A JP S60226296 A JPS60226296 A JP S60226296A
Authority
JP
Japan
Prior art keywords
circuit
detection circuit
central office
office line
telephone
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.)
Granted
Application number
JP59082164A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0310275B2 (enrdf_load_stackoverflow
Inventor
Takashi Hayashi
隆 林
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP59082164A priority Critical patent/JPS60226296A/ja
Publication of JPS60226296A publication Critical patent/JPS60226296A/ja
Publication of JPH0310275B2 publication Critical patent/JPH0310275B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP59082164A 1984-04-24 1984-04-24 ボタン電話装置 Granted JPS60226296A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59082164A JPS60226296A (ja) 1984-04-24 1984-04-24 ボタン電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59082164A JPS60226296A (ja) 1984-04-24 1984-04-24 ボタン電話装置

Publications (2)

Publication Number Publication Date
JPS60226296A true JPS60226296A (ja) 1985-11-11
JPH0310275B2 JPH0310275B2 (enrdf_load_stackoverflow) 1991-02-13

Family

ID=13766786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59082164A Granted JPS60226296A (ja) 1984-04-24 1984-04-24 ボタン電話装置

Country Status (1)

Country Link
JP (1) JPS60226296A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0468649A (ja) * 1990-07-10 1992-03-04 American Teleph & Telegr Co <Att> ファクシミリ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0468649A (ja) * 1990-07-10 1992-03-04 American Teleph & Telegr Co <Att> ファクシミリ装置

Also Published As

Publication number Publication date
JPH0310275B2 (enrdf_load_stackoverflow) 1991-02-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term