DE197059C - - Google Patents
Info
- Publication number
- DE197059C DE197059C DENDAT197059D DE197059DA DE197059C DE 197059 C DE197059 C DE 197059C DE NDAT197059 D DENDAT197059 D DE NDAT197059D DE 197059D A DE197059D A DE 197059DA DE 197059 C DE197059 C DE 197059C
- Authority
- DE
- Germany
- Prior art keywords
- call
- fire
- fire alarm
- telephone
- sign
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 1
- 230000001960 triggered Effects 0.000 description 1
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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
- G08B19/005—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow combined burglary and fire alarm systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE197059C true DE197059C (uk) |
Family
ID=459981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT197059D Active DE197059C (uk) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE197059C (uk) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5511295A (en) * | 1979-07-05 | 1980-01-26 | Canon Inc | Exposure control device |
-
0
- DE DENDAT197059D patent/DE197059C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5511295A (en) * | 1979-07-05 | 1980-01-26 | Canon Inc | Exposure control device |
| JPS5911886B2 (ja) * | 1979-07-05 | 1984-03-19 | キヤノン株式会社 | 露出制御装置 |
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