NL7312969A - - Google Patents
Info
- Publication number
- NL7312969A NL7312969A NL7312969A NL7312969A NL7312969A NL 7312969 A NL7312969 A NL 7312969A NL 7312969 A NL7312969 A NL 7312969A NL 7312969 A NL7312969 A NL 7312969A NL 7312969 A NL7312969 A NL 7312969A
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
- G08B13/187—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 interference of a radiation field
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/04—Systems determining the presence of a target
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4384572 | 1972-09-21 | ||
| GB1264973 | 1973-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7312969A true NL7312969A (en:Method) | 1974-03-25 |
Family
ID=26249170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7312969A NL7312969A (en:Method) | 1972-09-21 | 1973-09-20 |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU6053773A (en:Method) |
| FR (1) | FR2200969A5 (en:Method) |
| IL (1) | IL43260A0 (en:Method) |
| NL (1) | NL7312969A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8619727D0 (en) * | 1986-08-13 | 1986-09-24 | Electrosense Ltd | Proximity detectors |
| IL115876A (en) | 1995-11-05 | 1998-02-08 | Sensotech Ltd | Automatic door system with stair detector |
| EP2226452B1 (de) | 2008-12-12 | 2014-05-14 | Pepperl + Fuchs GmbH | Türüberwachungssensor |
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1973
- 1973-09-18 IL IL43260A patent/IL43260A0/xx unknown
- 1973-09-20 AU AU60537/73A patent/AU6053773A/en not_active Expired
- 1973-09-20 NL NL7312969A patent/NL7312969A/xx unknown
- 1973-09-21 FR FR7333901A patent/FR2200969A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2200969A5 (en:Method) | 1974-04-19 |
| IL43260A0 (en) | 1973-11-28 |
| AU6053773A (en) | 1975-03-20 |