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JPS53137605A - Interphone set - Google Patents
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JPS53137605A - Interphone set - Google Patents

Interphone set

Info

Publication number
JPS53137605A
JPS53137605A JP5225577A JP5225577A JPS53137605A JP S53137605 A JPS53137605 A JP S53137605A JP 5225577 A JP5225577 A JP 5225577A JP 5225577 A JP5225577 A JP 5225577A JP S53137605 A JPS53137605 A JP S53137605A
Authority
JP
Japan
Prior art keywords
interphone
interphone set
freedom
establish
give
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
JP5225577A
Other languages
Japanese (ja)
Inventor
Yuunojiyou Kakehi
Akira Nishikiori
Tomio Ikeda
Koji Kaneko
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 JP5225577A priority Critical patent/JPS53137605A/en
Publication of JPS53137605A publication Critical patent/JPS53137605A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

PURPOSE:To establish an interphone set enabling to give the freedom to slave sets and to make easy the operation of the master set.
JP5225577A 1977-05-06 1977-05-06 Interphone set Pending JPS53137605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5225577A JPS53137605A (en) 1977-05-06 1977-05-06 Interphone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5225577A JPS53137605A (en) 1977-05-06 1977-05-06 Interphone set

Publications (1)

Publication Number Publication Date
JPS53137605A true JPS53137605A (en) 1978-12-01

Family

ID=12909627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5225577A Pending JPS53137605A (en) 1977-05-06 1977-05-06 Interphone set

Country Status (1)

Country Link
JP (1) JPS53137605A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911603B1 (en) * 1970-12-02 1974-03-18
JPS4938107B1 (en) * 1972-10-16 1974-10-15

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911603B1 (en) * 1970-12-02 1974-03-18
JPS4938107B1 (en) * 1972-10-16 1974-10-15

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