JPS5899056A - インタ−ホン装置 - Google Patents

インタ−ホン装置

Info

Publication number
JPS5899056A
JPS5899056A JP56198107A JP19810781A JPS5899056A JP S5899056 A JPS5899056 A JP S5899056A JP 56198107 A JP56198107 A JP 56198107A JP 19810781 A JP19810781 A JP 19810781A JP S5899056 A JPS5899056 A JP S5899056A
Authority
JP
Japan
Prior art keywords
varistor
speaker
capacitor
turned
switch
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
JP56198107A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6226216B2 (enExample
Inventor
Koji Nomura
浩司 野村
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 JP56198107A priority Critical patent/JPS5899056A/ja
Publication of JPS5899056A publication Critical patent/JPS5899056A/ja
Publication of JPS6226216B2 publication Critical patent/JPS6226216B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP56198107A 1981-12-08 1981-12-08 インタ−ホン装置 Granted JPS5899056A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56198107A JPS5899056A (ja) 1981-12-08 1981-12-08 インタ−ホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56198107A JPS5899056A (ja) 1981-12-08 1981-12-08 インタ−ホン装置

Publications (2)

Publication Number Publication Date
JPS5899056A true JPS5899056A (ja) 1983-06-13
JPS6226216B2 JPS6226216B2 (enExample) 1987-06-08

Family

ID=16385594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56198107A Granted JPS5899056A (ja) 1981-12-08 1981-12-08 インタ−ホン装置

Country Status (1)

Country Link
JP (1) JPS5899056A (enExample)

Also Published As

Publication number Publication date
JPS6226216B2 (enExample) 1987-06-08

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