JPS5797256A - Button telephone set - Google Patents

Button telephone set

Info

Publication number
JPS5797256A
JPS5797256A JP17360580A JP17360580A JPS5797256A JP S5797256 A JPS5797256 A JP S5797256A JP 17360580 A JP17360580 A JP 17360580A JP 17360580 A JP17360580 A JP 17360580A JP S5797256 A JPS5797256 A JP S5797256A
Authority
JP
Japan
Prior art keywords
alarm
burglar
alarm circuit
burglar proof
master set
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
JP17360580A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0262998B2 (ko
Inventor
Takeo Nakaguchi
Masato Araki
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.)
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
Original Assignee
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
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 Iwatsu Electric Co Ltd, Iwasaki Tsushinki KK filed Critical Iwatsu Electric Co Ltd
Priority to JP17360580A priority Critical patent/JPS5797256A/ja
Publication of JPS5797256A publication Critical patent/JPS5797256A/ja
Publication of JPH0262998B2 publication Critical patent/JPH0262998B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP17360580A 1980-12-09 1980-12-09 Button telephone set Granted JPS5797256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17360580A JPS5797256A (en) 1980-12-09 1980-12-09 Button telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17360580A JPS5797256A (en) 1980-12-09 1980-12-09 Button telephone set

Publications (2)

Publication Number Publication Date
JPS5797256A true JPS5797256A (en) 1982-06-16
JPH0262998B2 JPH0262998B2 (ko) 1990-12-27

Family

ID=15963697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17360580A Granted JPS5797256A (en) 1980-12-09 1980-12-09 Button telephone set

Country Status (1)

Country Link
JP (1) JPS5797256A (ko)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180294A (ja) * 1984-02-27 1985-09-14 Nippon Telegr & Teleph Corp <Ntt> 電話システム
JPS61174859A (ja) * 1985-01-30 1986-08-06 Aihon Kk インタ−ホン電話機混成装置
JPH01170194A (ja) * 1987-12-25 1989-07-05 Iwatsu Electric Co Ltd ボタン電話装置
JPH01170195A (ja) * 1987-12-25 1989-07-05 Iwatsu Electric Co Ltd ボタン電話装置
JPH01272352A (ja) * 1988-04-25 1989-10-31 Matsushita Electric Works Ltd 電話交換システムの報知ユニット
JPH03140088A (ja) * 1989-10-26 1991-06-14 Matsushita Electric Works Ltd 電話交換装置
JP2006245667A (ja) * 2005-02-28 2006-09-14 Saxa Inc ボタン電話装置
JP2007281907A (ja) * 2006-04-07 2007-10-25 Nakayo Telecommun Inc 緊急情報通知方法および構内電話装置
JP2008048323A (ja) * 2006-08-21 2008-02-28 Nec Infrontia Corp 警備システム、電話交換装置および多機能電話機

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06129188A (ja) * 1992-10-20 1994-05-10 Takasago Thermal Eng Co Ltd 埋設配管施工方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5455398A (en) * 1977-10-13 1979-05-02 Mitsubishi Electric Corp Alarm system
JPS5566192A (en) * 1978-11-13 1980-05-19 Matsushita Electric Works Ltd Remote control unit
JPS55132165A (en) * 1979-04-02 1980-10-14 Iwatsu Electric Co Ltd Supervising circuit of button telephone set

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5455398A (en) * 1977-10-13 1979-05-02 Mitsubishi Electric Corp Alarm system
JPS5566192A (en) * 1978-11-13 1980-05-19 Matsushita Electric Works Ltd Remote control unit
JPS55132165A (en) * 1979-04-02 1980-10-14 Iwatsu Electric Co Ltd Supervising circuit of button telephone set

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180294A (ja) * 1984-02-27 1985-09-14 Nippon Telegr & Teleph Corp <Ntt> 電話システム
JPS61174859A (ja) * 1985-01-30 1986-08-06 Aihon Kk インタ−ホン電話機混成装置
JPH01170194A (ja) * 1987-12-25 1989-07-05 Iwatsu Electric Co Ltd ボタン電話装置
JPH01170195A (ja) * 1987-12-25 1989-07-05 Iwatsu Electric Co Ltd ボタン電話装置
JPH01272352A (ja) * 1988-04-25 1989-10-31 Matsushita Electric Works Ltd 電話交換システムの報知ユニット
JP2619472B2 (ja) * 1988-04-25 1997-06-11 松下電工株式会社 電話交換システムの報知ユニット
JPH03140088A (ja) * 1989-10-26 1991-06-14 Matsushita Electric Works Ltd 電話交換装置
JP2006245667A (ja) * 2005-02-28 2006-09-14 Saxa Inc ボタン電話装置
JP2007281907A (ja) * 2006-04-07 2007-10-25 Nakayo Telecommun Inc 緊急情報通知方法および構内電話装置
JP2008048323A (ja) * 2006-08-21 2008-02-28 Nec Infrontia Corp 警備システム、電話交換装置および多機能電話機

Also Published As

Publication number Publication date
JPH0262998B2 (ko) 1990-12-27

Similar Documents

Publication Publication Date Title
JPS5797256A (en) Button telephone set
JPS5797257A (en) Button telephone set
EP0920225A1 (en) Portable cellular phone
GB1192758A (en) Telephoning System
JPS5797258A (en) Button telephone set
JPS54114011A (en) Loudspeaker telephone device
JPS6469154A (en) Public telephone set
JPS5610766A (en) Talking monitor system
JPS5725734A (en) Party call receiver
JPS56120251A (en) Generating system for call tone and alarm tone
US3632892A (en) External illuminating device for key telephones
JPS56123135A (en) Cordless telephone set
JPS57155847A (en) Radio telephone set
JPS55114063A (en) Telephone set system
JPS5435604A (en) Ringing system of push-button telephone set
JPS564967A (en) Equipment controller
KR920001406A (ko) 공동선 이용 비상경보 통보, 화재발생 통보 양용 비상 통보기
JPS5341109A (en) Signal arrival detecting device for accessory unit with telephone set
JPS5568764A (en) Emergency information system
JPS5375807A (en) Individual selective calling receiver
KR830008264A (ko) 비상통보기
JPS5250104A (en) Ordering communication system by amplified call
JPS647193A (en) Display device for area acoustic control state of fire alarm
JPS6453672A (en) Audio response type b board of exchange
JPS5490906A (en) Telephone set