JPS5287306A - Push-phone type telephone - Google Patents

Push-phone type telephone

Info

Publication number
JPS5287306A
JPS5287306A JP361876A JP361876A JPS5287306A JP S5287306 A JPS5287306 A JP S5287306A JP 361876 A JP361876 A JP 361876A JP 361876 A JP361876 A JP 361876A JP S5287306 A JPS5287306 A JP S5287306A
Authority
JP
Japan
Prior art keywords
push
phone type
type telephone
telephone
furnish
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
JP361876A
Other languages
Japanese (ja)
Other versions
JPS5522986B2 (en
Inventor
Norihisa Hijikata
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu 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 Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Priority to JP361876A priority Critical patent/JPS5287306A/en
Publication of JPS5287306A publication Critical patent/JPS5287306A/en
Publication of JPS5522986B2 publication Critical patent/JPS5522986B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

PURPOSE:To furnish a common family with an economical telephone system, by limiting the number of the office line to one without reducing the former capacity by using cable of 4 wired core to connect each telephone to the central unit.
JP361876A 1976-01-14 1976-01-14 Push-phone type telephone Granted JPS5287306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP361876A JPS5287306A (en) 1976-01-14 1976-01-14 Push-phone type telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP361876A JPS5287306A (en) 1976-01-14 1976-01-14 Push-phone type telephone

Publications (2)

Publication Number Publication Date
JPS5287306A true JPS5287306A (en) 1977-07-21
JPS5522986B2 JPS5522986B2 (en) 1980-06-20

Family

ID=11562471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP361876A Granted JPS5287306A (en) 1976-01-14 1976-01-14 Push-phone type telephone

Country Status (1)

Country Link
JP (1) JPS5287306A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213706A (en) * 1975-07-23 1977-02-02 Kanda Tsushin Kogyo Kk Key telephone system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213706A (en) * 1975-07-23 1977-02-02 Kanda Tsushin Kogyo Kk Key telephone system

Also Published As

Publication number Publication date
JPS5522986B2 (en) 1980-06-20

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