JPS5887952A - インタ−ホン装置 - Google Patents

インタ−ホン装置

Info

Publication number
JPS5887952A
JPS5887952A JP18631181A JP18631181A JPS5887952A JP S5887952 A JPS5887952 A JP S5887952A JP 18631181 A JP18631181 A JP 18631181A JP 18631181 A JP18631181 A JP 18631181A JP S5887952 A JPS5887952 A JP S5887952A
Authority
JP
Japan
Prior art keywords
handset
hook
circuit
hook switch
current
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
JP18631181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6225307B2 (
Inventor
Nobuo Matoba
的場　信夫
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 JP18631181A priority Critical patent/JPS5887952A/ja
Publication of JPS5887952A publication Critical patent/JPS5887952A/ja
Publication of JPS6225307B2 publication Critical patent/JPS6225307B2/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)
  • Telephone Set Structure (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP18631181A 1981-11-19 1981-11-19 インタ−ホン装置 Granted JPS5887952A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18631181A JPS5887952A (ja) 1981-11-19 1981-11-19 インタ−ホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18631181A JPS5887952A (ja) 1981-11-19 1981-11-19 インタ−ホン装置

Publications (2)

Publication Number Publication Date
JPS5887952A true JPS5887952A (ja) 1983-05-25
JPS6225307B2 JPS6225307B2 ( ) 1987-06-02

Family

ID=16186104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18631181A Granted JPS5887952A (ja) 1981-11-19 1981-11-19 インタ−ホン装置

Country Status (1)

Country Link
JP (1) JPS5887952A ( )

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02274315A (ja) * 1989-04-13 1990-11-08 Amada Co Ltd 折曲げ溶接複合装置
US5331481A (en) * 1989-04-13 1994-07-19 Deutsche Thomson-Brandt Gmbh Tape drive and winding mechanism for tape player/recorder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02274315A (ja) * 1989-04-13 1990-11-08 Amada Co Ltd 折曲げ溶接複合装置
US5331481A (en) * 1989-04-13 1994-07-19 Deutsche Thomson-Brandt Gmbh Tape drive and winding mechanism for tape player/recorder

Also Published As

Publication number Publication date
JPS6225307B2 ( ) 1987-06-02

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