JPS5687190A - Alarm transmitter equipped with optical detection system - Google Patents
Alarm transmitter equipped with optical detection systemInfo
- Publication number
- JPS5687190A JPS5687190A JP16598680A JP16598680A JPS5687190A JP S5687190 A JPS5687190 A JP S5687190A JP 16598680 A JP16598680 A JP 16598680A JP 16598680 A JP16598680 A JP 16598680A JP S5687190 A JPS5687190 A JP S5687190A
- Authority
- JP
- Japan
- Prior art keywords
- detection system
- optical detection
- alarm transmitter
- transmitter equipped
- alarm
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
- G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Communication System (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792947664 DE2947664C2 (de) | 1979-11-27 | 1979-11-27 | Auf der Ausnutzung des Lichtnetzes als Meldeleitung beruhender Alarmgeber |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5687190A true JPS5687190A (en) | 1981-07-15 |
Family
ID=6086948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16598680A Pending JPS5687190A (en) | 1979-11-27 | 1980-11-27 | Alarm transmitter equipped with optical detection system |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5687190A (ja) |
DE (1) | DE2947664C2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3308455A1 (de) * | 1983-03-10 | 1984-09-13 | Hans-Joachim 5810 Witten Becker | Alarmanlage zur absicherung eines gebaeudes |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2452864B2 (de) * | 1974-11-07 | 1976-11-04 | Herbert Bössinger Tresorbau, 7111 Langenbeutingen | Objektueberwachungsanlage |
-
1979
- 1979-11-27 DE DE19792947664 patent/DE2947664C2/de not_active Expired
-
1980
- 1980-11-27 JP JP16598680A patent/JPS5687190A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2947664A1 (de) | 1981-06-04 |
DE2947664C2 (de) | 1985-01-17 |
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