JPS5647157A - Talking device - Google Patents

Talking device

Info

Publication number
JPS5647157A
JPS5647157A JP12435779A JP12435779A JPS5647157A JP S5647157 A JPS5647157 A JP S5647157A JP 12435779 A JP12435779 A JP 12435779A JP 12435779 A JP12435779 A JP 12435779A JP S5647157 A JPS5647157 A JP S5647157A
Authority
JP
Japan
Prior art keywords
operates
channel
selection switch
circuit
released
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
JP12435779A
Other languages
English (en)
Inventor
Isamu Okui
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.)
Toshiba Electric Equipment Corp
Original Assignee
Toshiba Electric Equipment Corp
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 Toshiba Electric Equipment Corp filed Critical Toshiba Electric Equipment Corp
Priority to JP12435779A priority Critical patent/JPS5647157A/ja
Publication of JPS5647157A publication Critical patent/JPS5647157A/ja
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP12435779A 1979-09-27 1979-09-27 Talking device Pending JPS5647157A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12435779A JPS5647157A (en) 1979-09-27 1979-09-27 Talking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12435779A JPS5647157A (en) 1979-09-27 1979-09-27 Talking device

Publications (1)

Publication Number Publication Date
JPS5647157A true JPS5647157A (en) 1981-04-28

Family

ID=14883384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12435779A Pending JPS5647157A (en) 1979-09-27 1979-09-27 Talking device

Country Status (1)

Country Link
JP (1) JPS5647157A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05284240A (ja) * 1992-03-30 1993-10-29 Tamura Electric Works Ltd インターホン装置
JPH06183867A (ja) * 1992-12-19 1994-07-05 Nisshoku Corp 超遅効性施用材料

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05284240A (ja) * 1992-03-30 1993-10-29 Tamura Electric Works Ltd インターホン装置
JPH06183867A (ja) * 1992-12-19 1994-07-05 Nisshoku Corp 超遅効性施用材料

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