JPS61278261A - 非常通報装置 - Google Patents
非常通報装置Info
- Publication number
- JPS61278261A JPS61278261A JP12092985A JP12092985A JPS61278261A JP S61278261 A JPS61278261 A JP S61278261A JP 12092985 A JP12092985 A JP 12092985A JP 12092985 A JP12092985 A JP 12092985A JP S61278261 A JPS61278261 A JP S61278261A
- Authority
- JP
- Japan
- Prior art keywords
- line
- telephone
- control section
- timer
- dial signal
- 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
Links
- 230000007257 malfunction Effects 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000001052 transient effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005856 abnormality Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12092985A JPS61278261A (ja) | 1985-06-04 | 1985-06-04 | 非常通報装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12092985A JPS61278261A (ja) | 1985-06-04 | 1985-06-04 | 非常通報装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61278261A true JPS61278261A (ja) | 1986-12-09 |
JPH0577227B2 JPH0577227B2 (en:Method) | 1993-10-26 |
Family
ID=14798466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12092985A Granted JPS61278261A (ja) | 1985-06-04 | 1985-06-04 | 非常通報装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61278261A (en:Method) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6417548A (en) * | 1987-07-13 | 1989-01-20 | Secom Co Ltd | Automatic communication equipment |
JPH0167859U (en:Method) * | 1987-10-27 | 1989-05-01 | ||
JPH03175775A (ja) * | 1989-12-04 | 1991-07-30 | Fujitsu Denso Ltd | 電話機付き端末装置の擬似リンガ音鳴動防止方式 |
-
1985
- 1985-06-04 JP JP12092985A patent/JPS61278261A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6417548A (en) * | 1987-07-13 | 1989-01-20 | Secom Co Ltd | Automatic communication equipment |
JPH0167859U (en:Method) * | 1987-10-27 | 1989-05-01 | ||
JPH03175775A (ja) * | 1989-12-04 | 1991-07-30 | Fujitsu Denso Ltd | 電話機付き端末装置の擬似リンガ音鳴動防止方式 |
Also Published As
Publication number | Publication date |
---|---|
JPH0577227B2 (en:Method) | 1993-10-26 |
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