JPS5880953A - ボタン電話装置 - Google Patents

ボタン電話装置

Info

Publication number
JPS5880953A
JPS5880953A JP56178800A JP17880081A JPS5880953A JP S5880953 A JPS5880953 A JP S5880953A JP 56178800 A JP56178800 A JP 56178800A JP 17880081 A JP17880081 A JP 17880081A JP S5880953 A JPS5880953 A JP S5880953A
Authority
JP
Japan
Prior art keywords
talkback
switch
microphone
state
mode
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
JP56178800A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0218640B2 (enrdf_load_html_response
Inventor
Kenzaburo Nakajima
中島　健三郎
Kenji Sunochi
須之内　建史
Minoru Yamanaka
実 山中
Mamoru Yoshida
守 吉田
Shinichi Sekiguchi
慎一 関口
Hiroyuki Fukuda
福田　博幸
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 JP56178800A priority Critical patent/JPS5880953A/ja
Publication of JPS5880953A publication Critical patent/JPS5880953A/ja
Publication of JPH0218640B2 publication Critical patent/JPH0218640B2/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
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP56178800A 1981-11-06 1981-11-06 ボタン電話装置 Granted JPS5880953A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56178800A JPS5880953A (ja) 1981-11-06 1981-11-06 ボタン電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56178800A JPS5880953A (ja) 1981-11-06 1981-11-06 ボタン電話装置

Publications (2)

Publication Number Publication Date
JPS5880953A true JPS5880953A (ja) 1983-05-16
JPH0218640B2 JPH0218640B2 (enrdf_load_html_response) 1990-04-26

Family

ID=16054860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56178800A Granted JPS5880953A (ja) 1981-11-06 1981-11-06 ボタン電話装置

Country Status (1)

Country Link
JP (1) JPS5880953A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04185198A (ja) * 1990-11-20 1992-07-02 Canon Inc 電話交換装置
JP2002112941A (ja) * 2000-10-12 2002-04-16 Teramoto Corp ワイパー

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04185198A (ja) * 1990-11-20 1992-07-02 Canon Inc 電話交換装置
JP2002112941A (ja) * 2000-10-12 2002-04-16 Teramoto Corp ワイパー

Also Published As

Publication number Publication date
JPH0218640B2 (enrdf_load_html_response) 1990-04-26

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