JPS5251806A - Push phone device - Google Patents

Push phone device

Info

Publication number
JPS5251806A
JPS5251806A JP12729375A JP12729375A JPS5251806A JP S5251806 A JPS5251806 A JP S5251806A JP 12729375 A JP12729375 A JP 12729375A JP 12729375 A JP12729375 A JP 12729375A JP S5251806 A JPS5251806 A JP S5251806A
Authority
JP
Japan
Prior art keywords
phone device
push phone
push
stabilized
minimized
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.)
Pending
Application number
JP12729375A
Other languages
Japanese (ja)
Inventor
Isao Wakamatsu
Masayoshi Oshima
Akio Oki
Seiji Sasaki
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.)
Oki Electric Industry Co Ltd
Taiko Electric Works Ltd
Original Assignee
Oki Electric Industry Co Ltd
Taiko Electric Works 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 Oki Electric Industry Co Ltd, Taiko Electric Works Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP12729375A priority Critical patent/JPS5251806A/en
Publication of JPS5251806A publication Critical patent/JPS5251806A/en
Pending 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)

Abstract

PURPOSE:The Zener diode and holding monitoring relay are equipped in order to secure a stabilized station line holding action. Thus, the kind of operation power source can be minimized.
JP12729375A 1975-10-24 1975-10-24 Push phone device Pending JPS5251806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12729375A JPS5251806A (en) 1975-10-24 1975-10-24 Push phone device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12729375A JPS5251806A (en) 1975-10-24 1975-10-24 Push phone device

Publications (1)

Publication Number Publication Date
JPS5251806A true JPS5251806A (en) 1977-04-26

Family

ID=14956367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12729375A Pending JPS5251806A (en) 1975-10-24 1975-10-24 Push phone device

Country Status (1)

Country Link
JP (1) JPS5251806A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57182962U (en) * 1981-05-18 1982-11-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57182962U (en) * 1981-05-18 1982-11-19

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