JPS60171856A - 打合せ電話方式 - Google Patents

打合せ電話方式

Info

Publication number
JPS60171856A
JPS60171856A JP2764084A JP2764084A JPS60171856A JP S60171856 A JPS60171856 A JP S60171856A JP 2764084 A JP2764084 A JP 2764084A JP 2764084 A JP2764084 A JP 2764084A JP S60171856 A JPS60171856 A JP S60171856A
Authority
JP
Japan
Prior art keywords
telephone
common line
signal
telephone device
hook
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
JP2764084A
Other languages
English (en)
Japanese (ja)
Other versions
JPH038627B2 (enExample
Inventor
Atsushi Sanbe
三瓶　敦
Yukihiko Shimizu
幸彦 清水
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2764084A priority Critical patent/JPS60171856A/ja
Publication of JPS60171856A publication Critical patent/JPS60171856A/ja
Publication of JPH038627B2 publication Critical patent/JPH038627B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M13/00—Party-line systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP2764084A 1984-02-16 1984-02-16 打合せ電話方式 Granted JPS60171856A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2764084A JPS60171856A (ja) 1984-02-16 1984-02-16 打合せ電話方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2764084A JPS60171856A (ja) 1984-02-16 1984-02-16 打合せ電話方式

Publications (2)

Publication Number Publication Date
JPS60171856A true JPS60171856A (ja) 1985-09-05
JPH038627B2 JPH038627B2 (enExample) 1991-02-06

Family

ID=12226534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2764084A Granted JPS60171856A (ja) 1984-02-16 1984-02-16 打合せ電話方式

Country Status (1)

Country Link
JP (1) JPS60171856A (enExample)

Also Published As

Publication number Publication date
JPH038627B2 (enExample) 1991-02-06

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