CH568627A5 - - Google Patents
Info
- Publication number
- CH568627A5 CH568627A5 CH974274A CH974274A CH568627A5 CH 568627 A5 CH568627 A5 CH 568627A5 CH 974274 A CH974274 A CH 974274A CH 974274 A CH974274 A CH 974274A CH 568627 A5 CH568627 A5 CH 568627A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH974274A CH568627A5 (es) | 1974-07-15 | 1974-07-15 | |
| DE19752529866 DE2529866A1 (de) | 1974-07-15 | 1975-07-04 | Lichtschranke |
| JP50084040A JPS5134000A (en) | 1974-07-15 | 1975-07-10 | Kosenshikibogosakusochi |
| US05/594,880 US4010458A (en) | 1974-07-15 | 1975-07-10 | Light gate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH974274A CH568627A5 (es) | 1974-07-15 | 1974-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH568627A5 true CH568627A5 (es) | 1975-10-31 |
Family
ID=4355186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH974274A CH568627A5 (es) | 1974-07-15 | 1974-07-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4010458A (es) |
| JP (1) | JPS5134000A (es) |
| CH (1) | CH568627A5 (es) |
| DE (1) | DE2529866A1 (es) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3020885C2 (de) * | 1980-06-02 | 1990-10-04 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Ausgangsstufe für ein elektrisches Ausgangssignal abgebende Sensoren |
| DE3032510C2 (de) * | 1980-08-29 | 1983-11-24 | W.C. Heraeus Gmbh, 6450 Hanau | Raumschutzanlage mit einer Lichtquelle |
| JPS5862793A (ja) * | 1981-10-12 | 1983-04-14 | オーテツク電子株式会社 | 赤外線警戒装置 |
| US5155472A (en) * | 1983-07-29 | 1992-10-13 | Introtek International, Inc. | Contact type liquid level sensing system |
| US4665334A (en) * | 1983-08-26 | 1987-05-12 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Rotary stepping device with memory metal actuator |
| US4692752A (en) * | 1984-08-27 | 1987-09-08 | Sentrol, Inc. | Moisture detector |
| US4633235A (en) * | 1984-12-20 | 1986-12-30 | Degennaro Charles S | Optical cable security system with standby and automatic re-arming features |
| GB2188724B (en) * | 1986-04-03 | 1989-11-15 | King Seeley Thermos Co | Ice bin level sensor |
| US4822996A (en) * | 1986-04-03 | 1989-04-18 | King-Seeley Thermos Company | Ice bin level sensor with time delay |
| IT1203356B (it) * | 1987-03-02 | 1989-02-15 | Michele Campo | Sensore antiscasso |
| US5160850A (en) * | 1991-01-14 | 1992-11-03 | Walter J. Spirig | Light beam interrupt detection apparatus for use in a vibrating environment |
| ES2110763T3 (es) * | 1993-07-02 | 1998-02-16 | Gerd Reime | Dispositivo para la medicion o deteccion de una modificacion en un elemento reflectante. |
| DE4339572A1 (de) * | 1993-11-19 | 1995-05-24 | Gerd Reime | Vorrichtung mit einer Meßanordnung |
| ES2102230T5 (es) * | 1993-07-02 | 2003-05-01 | Gerd Reime | Dispositivo para controlar un sistema de limpiaparabrisas. |
| JP3044518B2 (ja) * | 1993-12-13 | 2000-05-22 | 株式会社イナックス | 人体検知装置 |
| DE4424537A1 (de) * | 1994-07-12 | 1996-01-18 | Sick Optik Elektronik Erwin | Verfahren zum Betrieb eines Lichtgitters und Lichtgitter |
| US6043741A (en) * | 1998-05-15 | 2000-03-28 | Ricon Corporation | Threshold warning system for wheelchair lifts |
| AU2008100802B4 (en) * | 2008-08-26 | 2009-01-22 | Sec Eng Systems Pty Ltd | Detection of hydrocarbon gases |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3534351A (en) * | 1967-04-07 | 1970-10-13 | Gen Electric | Light coupled battery powered remote control apparatus |
| US3723737A (en) * | 1971-05-18 | 1973-03-27 | North American Rockwell | Infrared detection and control device |
| US3859647A (en) * | 1971-08-25 | 1975-01-07 | Infrared Ind Inc | Photoelectric intrusion sensing device employing synchronous demodulation |
| JPS5545506Y2 (es) * | 1972-12-14 | 1980-10-24 | ||
| US3889118A (en) * | 1973-06-14 | 1975-06-10 | Rockwell International Corp | Electronic presence sensing device |
| US3946241A (en) * | 1973-11-26 | 1976-03-23 | Pyrotector, Incorporated | Light detector with pulsed light source and synchronous data gating |
-
1974
- 1974-07-15 CH CH974274A patent/CH568627A5/xx not_active IP Right Cessation
-
1975
- 1975-07-04 DE DE19752529866 patent/DE2529866A1/de not_active Withdrawn
- 1975-07-10 JP JP50084040A patent/JPS5134000A/ja active Pending
- 1975-07-10 US US05/594,880 patent/US4010458A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5134000A (en) | 1976-03-23 |
| DE2529866A1 (de) | 1976-02-05 |
| US4010458A (en) | 1977-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |