CH680881A5 - - Google Patents
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- Publication number
- CH680881A5 CH680881A5 CH2862/90A CH286290A CH680881A5 CH 680881 A5 CH680881 A5 CH 680881A5 CH 2862/90 A CH2862/90 A CH 2862/90A CH 286290 A CH286290 A CH 286290A CH 680881 A5 CH680881 A5 CH 680881A5
- Authority
- CH
- Switzerland
- Prior art keywords
- ultrasound
- window
- receiver
- emitter
- infrared
- Prior art date
Links
- 238000002604 ultrasonography Methods 0.000 claims abstract description 73
- 230000005855 radiation Effects 0.000 claims abstract description 46
- 230000008859 change Effects 0.000 claims abstract description 18
- 238000011156 evaluation Methods 0.000 claims description 15
- 230000011664 signaling Effects 0.000 claims description 5
- 230000002123 temporal effect Effects 0.000 claims description 4
- 101100279441 Caenorhabditis elegans egg-5 gene Proteins 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 4
- 239000011888 foil Substances 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/04—Monitoring of the detection circuits
- G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2862/90A CH680881A5 (instruction) | 1990-09-05 | 1990-09-05 | |
| DE91114646T DE59100692D1 (de) | 1990-09-05 | 1991-08-30 | Intrusionsdetektor. |
| AT91114646T ATE98390T1 (de) | 1990-09-05 | 1991-08-30 | Intrusionsdetektor. |
| EP91114646A EP0476397B2 (de) | 1990-09-05 | 1991-08-30 | Intrusionsdetektor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2862/90A CH680881A5 (instruction) | 1990-09-05 | 1990-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH680881A5 true CH680881A5 (instruction) | 1992-11-30 |
Family
ID=4243258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH2862/90A CH680881A5 (instruction) | 1990-09-05 | 1990-09-05 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0476397B2 (instruction) |
| AT (1) | ATE98390T1 (instruction) |
| CH (1) | CH680881A5 (instruction) |
| DE (1) | DE59100692D1 (instruction) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2257822A (en) * | 1991-06-27 | 1993-01-20 | Prestige Aire 2000 | Security system for test or monitoring equipment |
| EP1037184B1 (de) | 1999-03-08 | 2003-10-29 | Siemens Building Technologies AG | Gehäuse für einen Gefahrenmelder |
| EP1061489B1 (de) * | 1999-06-07 | 2004-08-25 | Siemens Building Technologies AG | Intrusionsmelder mit einer Einrichtung zur Sabotageüberwachung |
| US7852210B2 (en) * | 2007-12-31 | 2010-12-14 | Honeywell International Inc. | Motion detector for detecting tampering and method for detecting tampering |
| US8150202B2 (en) | 2008-06-30 | 2012-04-03 | Honeywell International Inc. | Gaussian mixture model based illumination normalization for global enhancement |
| DE102009047531A1 (de) * | 2009-12-04 | 2011-06-09 | Atral- Secal Gmbh | Rauchmelder mit Ultraschall-Abdecküberwachung |
| EP4174814A1 (en) * | 2021-10-26 | 2023-05-03 | Carrier Fire & Security EMEA BV | Motion detector with masking detection |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3725888A (en) * | 1971-04-05 | 1973-04-03 | Pyrotector Inc | Detector system |
| WO1988003301A1 (en) * | 1986-10-31 | 1988-05-05 | Takenaka Engineering Co., Ltd. | Passive infrared burglar sensor equipped with visual field interruption monitor mechanism |
| IT1219751B (it) * | 1988-04-13 | 1990-05-24 | Elkron Spa | Dispositivo rivelatore combinato a microonde e raggi infrarossi particolarmente per sistemi anti intrusione |
-
1990
- 1990-09-05 CH CH2862/90A patent/CH680881A5/de not_active IP Right Cessation
-
1991
- 1991-08-30 AT AT91114646T patent/ATE98390T1/de active
- 1991-08-30 DE DE91114646T patent/DE59100692D1/de not_active Expired - Fee Related
- 1991-08-30 EP EP91114646A patent/EP0476397B2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0476397B2 (de) | 2001-10-17 |
| EP0476397B1 (de) | 1993-12-08 |
| ATE98390T1 (de) | 1993-12-15 |
| EP0476397A1 (de) | 1992-03-25 |
| DE59100692D1 (de) | 1994-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |