DE3400060C1 - Passive infrared motion detector - Google Patents
Passive infrared motion detectorInfo
- Publication number
- DE3400060C1 DE3400060C1 DE19843400060 DE3400060A DE3400060C1 DE 3400060 C1 DE3400060 C1 DE 3400060C1 DE 19843400060 DE19843400060 DE 19843400060 DE 3400060 A DE3400060 A DE 3400060A DE 3400060 C1 DE3400060 C1 DE 3400060C1
- Authority
- DE
- Germany
- Prior art keywords
- reflector
- reflectors
- motion detector
- spherical
- spherical reflectors
- 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.)
- Expired
Links
- 238000012544 monitoring process Methods 0.000 claims 4
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 230000005284 excitation Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
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
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
- G08B13/193—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Claims (6)
unveränderbar ist Infolge der Einstückigkeit der Spiegelfläche des Reflektors muß ferner für den Fall, daß
nach Montage des Gerätes im Bereich einer Erfassungszone eine Fehlerquelle vorhanden ist, zu deren Beseiti- 40
gung die Stellung des gesamten Gerätes entsprechend
verändert werden. Es läßt sich dabei nicht ausschließen,
daß nach erfolgter Einstellung des Gerätes sich in andere Überwachungszonen Störquellen bemerkbar machen, die wiederum nur durch erneutes Einstellen des 45
Gerätes beseitigt werden können. Es ist des weiteren
eine optimale Überwachung dadurch in Frage gestellt,
daß durch Ausrichten des Bewegungsmelders mit einer
Facette des Reflektors sämtliche übrigen Facetten
zwangsweise mit ausgerichtet sind. Schließlich ist auch 50
die Herstellung der Spiegelfläche des Reflektors infolge
der Erzeugung einer Vielzahl von Facetten schwierig
und demzufolge kostenaufwendig.determined by the size of the facets and thereby
Due to the one-piece nature of the mirror surface of the reflector must also be unchangeable for the event that
After the device has been installed, there is a source of error in the area of a detection zone which can be remedied 40
the position of the entire device accordingly
to be changed. It cannot be ruled out
that after the device has been set, sources of interference become noticeable in other monitoring zones, which in turn can only be detected by setting the 45
Device can be eliminated. It is further
optimal monitoring is thereby called into question,
that by aligning the motion detector with a
Facet of the reflector all other facets
are forcibly aligned with. After all, it's 50 too
the production of the mirror surface of the reflector as a result
difficult to create a multitude of facets
and consequently costly.
ten Gattung so auszubilden, daß mit ihm eine optimale
Überwachung ermöglicht ist, seine Reichweite mühelos
veränderbar ist und Störquellen in Überwachungszonen
beseitig werden können, ohne daß es erneuten Einstellens des Gerätes bedarf. 60The invention is based on the object of providing the reflector of a motion detector of the aforementioned 55
th genus so that with it an optimal
Monitoring is made possible, its range is effortless
is changeable and sources of interference in surveillance zones
can be eliminated without having to readjust the device. 60
ren auf die zu überwachenden Stellen ausgerichtet werden. Es braucht dabei das Gerät nicht nochmals ausgerichtet zu werden. Sollen bestimmte Bereiche nichtThe motion detector designed according to the invention enables optimal monitoring of a room, for example, by the individual spherical reflectors 65
be aligned with the locations to be monitored. The device does not need to be aligned again. Shouldn't certain areas
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843400060 DE3400060C1 (en) | 1984-01-03 | 1984-01-03 | Passive infrared motion detector |
FR8420036A FR2557716A1 (en) | 1984-01-03 | 1984-12-28 | PASSIVE INFRARED MOTION INDICATOR |
GB08500018A GB2152662B (en) | 1984-01-03 | 1985-01-02 | Passive infrared movement detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843400060 DE3400060C1 (en) | 1984-01-03 | 1984-01-03 | Passive infrared motion detector |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3400060C1 true DE3400060C1 (en) | 1985-08-14 |
Family
ID=6224273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19843400060 Expired DE3400060C1 (en) | 1984-01-03 | 1984-01-03 | Passive infrared motion detector |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3400060C1 (en) |
FR (1) | FR2557716A1 (en) |
GB (1) | GB2152662B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4118557A1 (en) * | 1991-06-06 | 1992-12-10 | Daimler Benz Ag | INTERNAL COMBUSTION ENGINE WITH A SUCTION PIPE FOR FRESH AIR SUCTION |
DE4445197A1 (en) * | 1994-12-17 | 1996-06-20 | Abb Patent Gmbh | Passive infrared motion detector with converging lenses for an all-round detection of 360 DEG |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH675316A5 (en) * | 1987-08-11 | 1990-09-14 | Cerberus Ag |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2855322A1 (en) * | 1977-12-22 | 1979-07-05 | Carbocraft Ltd | IMPROVED INFRARED SURVEILLANCE SYSTEM |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1564457A (en) * | 1975-06-16 | 1980-04-10 | Cerberus Ag | Infrared intrusion detectors |
DE2916768C2 (en) * | 1979-04-25 | 1981-02-19 | Heimann Gmbh, 6200 Wiesbaden | Optical arrangement for a passive infrared motion detector |
US4339748A (en) * | 1980-04-08 | 1982-07-13 | American District Telegraph Company | Multiple range passive infrared detection system |
-
1984
- 1984-01-03 DE DE19843400060 patent/DE3400060C1/en not_active Expired
- 1984-12-28 FR FR8420036A patent/FR2557716A1/en active Pending
-
1985
- 1985-01-02 GB GB08500018A patent/GB2152662B/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2855322A1 (en) * | 1977-12-22 | 1979-07-05 | Carbocraft Ltd | IMPROVED INFRARED SURVEILLANCE SYSTEM |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4118557A1 (en) * | 1991-06-06 | 1992-12-10 | Daimler Benz Ag | INTERNAL COMBUSTION ENGINE WITH A SUCTION PIPE FOR FRESH AIR SUCTION |
DE4445197A1 (en) * | 1994-12-17 | 1996-06-20 | Abb Patent Gmbh | Passive infrared motion detector with converging lenses for an all-round detection of 360 DEG |
Also Published As
Publication number | Publication date |
---|---|
GB8500018D0 (en) | 1985-02-13 |
GB2152662B (en) | 1987-11-18 |
GB2152662A (en) | 1985-08-07 |
FR2557716A1 (en) | 1985-07-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of the examined application without publication of unexamined application | ||
D1 | Grant (no unexamined application published) patent law 81 | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |