CH670009A5 - - Google Patents
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- Publication number
- CH670009A5 CH670009A5 CH389185A CH389185A CH670009A5 CH 670009 A5 CH670009 A5 CH 670009A5 CH 389185 A CH389185 A CH 389185A CH 389185 A CH389185 A CH 389185A CH 670009 A5 CH670009 A5 CH 670009A5
- Authority
- CH
- Switzerland
- Prior art keywords
- light guide
- light
- optical
- secured
- objects
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
- G08B13/186—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 using light guides, e.g. optical fibres
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT294284 | 1984-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH670009A5 true CH670009A5 (https=) | 1989-04-28 |
Family
ID=3542773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH389185A CH670009A5 (https=) | 1984-09-17 | 1985-09-10 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH670009A5 (https=) |
| DE (1) | DE3532554A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8805281U1 (de) * | 1988-04-21 | 1989-04-13 | Zander, Hans, 4836 Herzebrock | Sicherungsadapter |
| DE3940006A1 (de) * | 1989-01-24 | 1990-08-02 | Norbert Schaaf | Verfahren und optische alarmanlage zur ueberwachung von zu sichernden objekten |
| DE3906080A1 (de) * | 1989-02-27 | 1990-08-30 | Ind Technik Ips Gmbh | Objektueberwachungsverfahren |
| DE4142529C2 (de) * | 1991-12-21 | 1994-08-25 | Hirschmann Richard Gmbh Co | Sicherungseinrichtung |
| CN103489275B (zh) * | 2013-08-29 | 2016-12-28 | 广东复安科技发展有限公司 | 一种提高光纤长距离监控定位精度的监测线路以及方法 |
-
1985
- 1985-09-10 CH CH389185A patent/CH670009A5/de not_active IP Right Cessation
- 1985-09-12 DE DE19853532554 patent/DE3532554A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE3532554A1 (de) | 1986-03-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |