JPS64852A - Alarm system using telephone set - Google Patents

Alarm system using telephone set

Info

Publication number
JPS64852A
JPS64852A JP5338888A JP5338888A JPS64852A JP S64852 A JPS64852 A JP S64852A JP 5338888 A JP5338888 A JP 5338888A JP 5338888 A JP5338888 A JP 5338888A JP S64852 A JPS64852 A JP S64852A
Authority
JP
Japan
Prior art keywords
circuit
alarm
telephone
signal
turning
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.)
Pending
Application number
JP5338888A
Other languages
English (en)
Other versions
JPH01852A (ja
Inventor
Yoshihiko Furuno
Nobukazu Kakeya
Teruyuki Taniguchi
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical 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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP5338888A priority Critical patent/JPS64852A/ja
Publication of JPH01852A publication Critical patent/JPH01852A/ja
Publication of JPS64852A publication Critical patent/JPS64852A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP5338888A 1987-03-23 1988-03-07 Alarm system using telephone set Pending JPS64852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5338888A JPS64852A (en) 1987-03-23 1988-03-07 Alarm system using telephone set

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62-69922 1987-03-23
JP6992287 1987-03-23
JP5338888A JPS64852A (en) 1987-03-23 1988-03-07 Alarm system using telephone set

Publications (2)

Publication Number Publication Date
JPH01852A JPH01852A (ja) 1989-01-05
JPS64852A true JPS64852A (en) 1989-01-05

Family

ID=26394102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5338888A Pending JPS64852A (en) 1987-03-23 1988-03-07 Alarm system using telephone set

Country Status (1)

Country Link
JP (1) JPS64852A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678350A (ja) * 1992-08-25 1994-03-18 Matsushita Electric Works Ltd 電話交換機能を有したホームテレホンシステム
JP2007228632A (ja) * 2007-05-24 2007-09-06 Hitachi Communication Technologies Ltd 情報報知システム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6115868B2 (ja) * 1977-11-21 1986-04-26 Mitsubishi Chem Ind

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6115868B2 (ja) * 1977-11-21 1986-04-26 Mitsubishi Chem Ind

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678350A (ja) * 1992-08-25 1994-03-18 Matsushita Electric Works Ltd 電話交換機能を有したホームテレホンシステム
JP2007228632A (ja) * 2007-05-24 2007-09-06 Hitachi Communication Technologies Ltd 情報報知システム

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