EP1120763A1 - Passiv-Infrarot Bewegungs- und Präsenzmelder mit umschaltbarer Optik - Google Patents
Passiv-Infrarot Bewegungs- und Präsenzmelder mit umschaltbarer Optik Download PDFInfo
- Publication number
- EP1120763A1 EP1120763A1 EP00101818A EP00101818A EP1120763A1 EP 1120763 A1 EP1120763 A1 EP 1120763A1 EP 00101818 A EP00101818 A EP 00101818A EP 00101818 A EP00101818 A EP 00101818A EP 1120763 A1 EP1120763 A1 EP 1120763A1
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- EP
- European Patent Office
- Prior art keywords
- cover
- presence detector
- motion
- lenses
- fields
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 5
- 230000005855 radiation Effects 0.000 claims description 16
- 230000005484 gravity Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 241000219739 Lens Species 0.000 description 43
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000000744 eyelid Anatomy 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 235000014647 Lens culinaris subsp culinaris Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
Definitions
- the invention relates to motion or presence detectors according to the passive infrared principle.
- Such motion or presence detectors are in a variety previously known from designs, such. B. from U.S. Pat. No. 4,321,594. These are used especially for detection of movements used by people and are considered Alarm devices, automatic light switches and the like known.
- These motion or presence detectors consist of one or several infrared sensor elements and a variety of optical elements, for example lenses, each Lens receives radiation from a field of view and on a sensor element is focused. This creates in space a variety of fields of view that make up the natural thermal infrared radiation of the environment on the or the sensor elements arrives. If there is a body whose Temperature differs from the background in one such a field of vision into or from such a field of vision moved out, changes on the sensor element incoming radiation and leads to a changing Output signal of the sensor element. The output signal can be used as an indicator of movement. This way people can be in a specific room or area detected based on their movements become.
- the arrangement of the infrared sensor elements and lenses is done according to the needs for space coverage such fields of vision. Due to the focal length and size of the Lenses and their position relative to the sensor elements is the position of the fields of vision defined in space, the entirety of which as a pattern of fields of view can be designated.
- a motion or presence detector is on, for example to be arranged on a wall of a room the fields of view are typically in the form of a horizontal Fan with 180 degree horizontal opening angle arranged so that movements can be recorded throughout the room can.
- a motion or presence detector is required to be mounted on the ceiling, it is advantageous to Fields of view similar to the water jets of a shower distribute the volume of a pyramid or cone, with the motion or presence detector on top the pyramid or cone lies and the fields of vision are distributed over such a solid angle that they are one Cover space or area of predetermined size in such a way that a person in it if possible can be detected at any point.
- According to needs are therefore a multitude of patterns of fields of view previously known. The number of such fields of view for one Certain patterns can range from a few to wide be over a hundred.
- infrared sensors work after pyroelectric principle. For example, two or four sensor elements assembled in one housing and the output signals interconnected differentially, that means added with opposite signs. Because such Infrared sensors only from a certain solid angle Radiation can be received depending on the application or several infrared sensors are used.
- Lenses in the form of spherical or aspherical lenses, Fresnel lenses, Fresnel zone plates, diffraction Fresnel lenses, holographic Proven lenses or combinations of such elements are typically used for a variety of fields of view used a variety of such lenses, wherein Depending on the needs, the most diverse designs in different sizes can be used together.
- a number of individual lenses are one Multilens or a lens array composed.
- Each Single lens is arranged so that in interaction with the sensor elements field of view in the desired Direction arise and thus a certain pattern of Fields of view is generated.
- Examples of lens arrays are the arrangement of a large number of rectangular Fresnel lenses on a flat or cylindrical surface like e.g. B. from the US pattern Des. 331,120 known, three-dimensional Arrangements according to U.S. Pat. No. 5,221,919, U.S. Pat. 5,187,360 or the arrangement of a variety spherical lenses according to a hemisphere U.S. Pat. 4,930,864.
- the object of the invention is a passive infrared To create motion or presence detectors at which different areas with a single detector type are monitorable and very easy to use is. According to the invention, this object is achieved by the features of independent claims.
- the passive infrared comprises or presence detectors optical lenses that emit radiation Fields of view received and at least one infrared sensor focus, and a movable cover mechanism, which is variable depending on its position Patterns of fields of view to focus on releases the infrared sensor.
- the built-in Movable cover can be that of the fields of view easily captured area to be monitored Space to be adjusted. In other words, they can active fields of view from the number of all available Fields of vision can be selected using the cover that an optimal monitoring area for a desired type of installation results.
- the detector does not require anything separate additional parts. It replaces several known today Detectors, each for specific types of installation or Installation locations are adjusted.
- the cover has a cover surface between the infrared sensor and the lenses can be pushed in so that the Beam path of a number of lenses released to the infrared sensor and possibly the beam path of other lenses to the infrared sensor is blocked.
- the cover is not visible from the outside, so a uniform appearance of the detector regardless of the position of the cover results.
- the cover is together with its movement mechanism in the interior of the detector housing protected against damage, jamming or the like.
- the cover comprises a cover surface that runs along an outside of the Lenses can be moved so that the radiation incidence is on a number of lenses released and if necessary on others Lenses is blocked.
- the cover can except here for the selection of active fields of view also as a protective eyelid for the blocked lenses against dirt, damage or the like.
- the cover is like this designed for wall mounting and / or ceiling mounting Fields of view to the ceiling, windows or disturbing sources of heat radiation are blocked. This allows you to easily Wise systematic sources of interference for false tripping the detector directly when installing the detector using suitable Positioning the cover can be hidden.
- the cover comprises at least one pivotable or tiltable cover surface, the by a lever on the outside of the detector manually, by gravity depending on the mounting position or by electrical Control can be operated and in particular locked is.
- the motion or presence detector from a housing base 10, on the z.
- a hemispherical Multi-lens 11 is placed, which is a variety of Lentils spread over the hemisphere or part of it contains.
- the lenses are 12-18 visible. Each of these lenses 12-18 focuses radiation from at least one correspondingly assigned field of view 32-38 on sensor 20, which is one or more sensor elements contains.
- the motion or presence detector is included the housing base 10, which also includes evaluation electronics and functional parts 8 for generating an output signal can be mounted on the approximately vertical wall 1, at a height above the ground, preferably larger is the height of the people to be detected, for example 2 to 3 meters.
- the motion or presence detector at any location in a usual room with, for example, a rectangular one Floor plan or another predetermined area Can detect people, he needs a pattern of Fields of view that are both approximately horizontal or only includes slightly downward fields of view 34 to distant To be able to detect people, as well as down directed fields of view 35, 36, 37 to people in the To grasp proximity, as well as very steeply downward Fields of view 38, for example through a door below persons entering the motion or presence detector capture.
- the lenses 12 and 13 and others, not shown in Fig. 1, facing upward Lenses run anyway.
- the ray path between the infrared sensor 20 and these lenses however blocked by the cover surface 50 so that in the angular range between 42 and 43 no rays or only a small proportion can reach sensor 20.
- the cover surface 50 is part of a movable Bracket 19, which is rotatably mounted in the axis 52 is.
- the housing 10, 11 of the motion or presence detector is through the housing base 10, optionally together with the multi-lens 11, given and defines a housing interior.
- the cover 19, 50-52 is preferably in the interior and / or on an outer surface of the housing 10, 11 of the motion or presence detector movably mounted. In particular, the cover 19, 50-52 with the housing 10, 11 connected in one piece.
- FIG. 2 shows the same movement according to the invention or presence detector shown when it is on the ceiling 2 one Room is mounted. In this case it makes sense that only downward viewing fields in the angular range between 40 and 41 are effective to be in the room To be able to detect people. More horizontal Fields of vision, as generated by the lenses 17 and 18 would be highly undesirable in this case because they are very distant and outside of the desired Detect people and objects located in the room or radiation from windows could capture what in turn leads to malfunctions.
- the movable bracket 19 can preferably by means of a engaging lever 6 in the desired position to be brought.
- the lever 6 is advantageously from outside operated by the detector. But it is also possible with a suitable weight distribution in the holder 19 opposite the axis of rotation 52 or by attaching a Weight to exploit gravity, so that the Bracket 19 by itself in wall or ceiling mounting the desired position rotates.
- you can the detector has an electrical control 7 for the cover 19, 50-52.
- the electrical control 7 comprises for example an electrical unlocking and locking and / or an electric drive for the cover mechanism 19, 50-52 and can be activated in any way.
- cover surfaces 50, 51 can also be used that are movable in other ways, for example as part of a part that is movable, or the joint contains one or more pivot points or axes of rotation having.
- the shape of the cover surfaces 50, 51 depends on the type, size and arrangement of the lenses 12-18 on the Multi-lens 11.
- the lenses 12-18 are advantageously on the Multi-lens 11 arranged so that it can be used to capture Fields of view 32-38 in a solid angle range greater than ⁇ and preferably in a vertical angular range of larger than ⁇ / 2 are suitable.
- the cover areas 50, 51 in this way between sensor 20 and attach lenses 12-18 that the beam path too Lenses 12, 13; 17, 18, whose fields of view 32, 33; 37, 38 in a predetermined position of the cover surfaces 50, 51 are undesirable, in whole or at least for the most part is covered.
- cover areas 50, 51 are discrete Positions make sense to appropriate patterns from fields of view 32-36; 34-38 to be defined. But it is also conceivable, the cover surfaces 50, 51 continuously designed to be positionable.
- cover surfaces 50, 51 can also have recesses have so that certain lenses and their associated Fields of vision in the otherwise covered area remain effective. This way and / or by use several cover surfaces 50, 51 can be any Patterns of Fields of View 32-36; 34-38 with a single Multi-lens 11 are generated.
- Fig. 3 shows a variant of Fig. 2, wherein the cover mechanism 19, 50-52 on the multi-lens 11 outside Cover surfaces 50, 51 and for example is actuated by gravity.
- the cover surfaces 50, 51 can be like an eyelid, i.e. H. along an outside the multi-lens 11, at least in front of a part 17, 18; 12, 13 of the multi-lens 11 pushed, swiveled or tilted to a desired number of individual lenses 12-16; 14-18 and their associated fields of view 32-36; Block 34-38 or release.
- the motion or presence detector preferably comprises one Control unit 8, which is used to output a control signal an electrical device, especially an automatic one Light switch, depending on a presence of people in one of the motion or presence detectors monitored area is suitable.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
Description
- Fig. 1
- zeigt eine Wandmontage eines erfindungsgemässen Bewegungs- oder Präsenzmelders mit manuell umschaltbarer Abdeckung;
- Fig. 2
- zeigt eine Deckenmontage eines erfindungsgemässen Bewegungs- oder Präsenzmelders mit elektrisch umschaltbarer Abdeckung;
- Fig. 3
- zeigt eine Deckenmontage eines erfindungsgemässen Bewegungs- oder Präsenzmelders mit aussenliegender Abdeckung.
Claims (11)
- Passiv-Infrarot Bewegungs- oder Präsenzmelder, umfassend mindestens einen Infrarotsensor (20) und eine Mehrzahl optischer Linsen (12-18), wobei jede Linse (12-18) Strahlung aus einem oder mehreren Sichtfeldern (32-38) empfängt und auf den Infrarotsensor (20) fokussiert, dadurch gekennzeichnet, dassa) der Bewegungs- oder Präsenzmelder eine bewegliche Abdeckung (19, 50-52) für auf den Infrarotsensor (20) einfallende Strahlung aufweist undb) die Abdeckung (19, 50-52) wenigstens zwischen einer ersten Position zur Freigabe eines ersten Musters von Sichtfeldern (34-38) und einer zweiten Position zur Freigabe eines zweiten Musters von Sichtfeldern (32-36) bewegbar ist.
- Passiv-Infrarot Bewegungs- oder Präsenzmelder nach Anspruch 1, dadurch gekennzeichnet, dassa) die bewegliche Abdeckung (19, 50-52) mit dem Gehäuse (10, 11) einstückig verbunden ist und/oderb) die bewegliche Abdeckung (19, 50-52) in einem Innenraum und/oder an einer Aussenfläche eines Gehäuses (10, 11) des Bewegungs- oder Präsenzmelders beweglich montiert ist.
- Passiv-Infrarot Bewegungs- oder Präsenzmelder nach einem der Ansprüche 1-2, dadurch gekennzeichnet, dassa) die Abdeckung (19, 50-52) mindestens eine Abdeckfläche (50, 51) aufweist, die zwischen den Infrarotsensor (20) und die Linsen (12-18) einschiebbar ist undb) in Abhängigkeit von einer Position der Abdeckfläche (50, 51) ein Strahlengang zwischen einer Anzahl von Linsen (14-18; 12-16) und dem Infrarotsensor (20) freigegeben oder blockiert ist.
- Passiv-Infrarot Bewegungs- oder Präsenzmelder nach einem der Ansprüche 1-2, dadurch gekennzeichnet, dassa) die Abdeckung (19, 50-52) mindestens eine Abdeckfläche (50, 51) aufweist, die vor eine Aussenseite der Linsen (12-18) bewegbar ist undb) in Abhängigkeit von einer Position der Abdeckfläche (50, 51) der Strahlungseinfall auf eine Anzahl von Linsen (14-18; 12-16) freigegeben oder blokkiert ist.
- Passiv-Infrarot Bewegungs- oder Präsenzmelder nach einem der Ansprüche 1-4, dadurch gekennzeichnet, dassa) bei Montage des Bewegungs- oder Präsenzmelders an einer Wand (1) die Abdeckung (19, 50-52) in der ersten Position Sichtfelder (32, 33) blockiert, die an eine Decke (2), auf Fenster oder auf störende Wärmestrahlungsquellen gerichtet sind und/oderb) bei Montage des Bewegungs- oder Präsenzmelders an einer Decke (2) die Abdeckung (19, 50-52) in der zweiten Position Sichtfelder (37, 38) blockiert, die an die Decke (2), im wesentlichen horizontal, auf Fenster oder auf störende Wärmestrahlungsquellen gerichtet sind.
- Passiv-Infrarot Bewegungs- oder Präsenzmelder nach einem der Ansprüche 1-5, dadurch gekennzeichnet, dassa) die Abdeckung als kippbarer Mechanismus (19, 50-52) mit wenigstens zwei diskreten Positionen ausgeführt ist,b) insbesondere dass der Mechanismus (19, 50-52) ein oder mehrere Abdeckflächen (50, 51) aufweist, die an mindestens einer Halterung (19) befestigt sind, welche um eine Achse (52) drehbar gelagert ist undc) insbesondere dass der Mechanismus (19, 50-52) zwei Abdeckflächen (50, 51) aufweist, die an einer Halterung (19) beidseits einer Drehachse (52) der Halterung (19) befestigt sind.
- Passiv-Infrarot Bewegungs- oder Präsenzmelder nach Anspruch 6, dadurch gekennzeichnet, dassa) der Mechanismus (19, 50-52) mittels eines Hebels (6) kippbar ist, der von ausserhalb des Bewegungs- oder Präsenzmelders betätigbar ist undb) insbesondere dass der Hebel (6) in den diskreten Positionen mechanisch arretierbar ist.
- Passiv-Infrarot Bewegungs- oder Präsenzmelder nach einem der Ansprüche 1-7, dadurch gekennzeichnet, dassa) die Abdeckung (19, 50-52) in Abhängigkeit einer Montageposition des Bewegungs- oder Präsenzmelders durch Schwerkraft zwischen den Positionen bewegbar ist und/oderb) die Abdeckung (19, 50-52) durch eine elektrische Steuerung (7) zwischen den Positionen bewegbar ist.
- Passiv-Infrarot Bewegungs- oder Präsenzmelder nach einem der Ansprüche 1-8, dadurch gekennzeichnet, dassa) die Linsen (12-18) zu einer Multilinse (11) zusammengesetzt sind, die zur Erfassung eines vorgebbaren Raumbereichs ausgestaltet ist undb) eine Anzahl und Anordnung der Linsen (12-18) auf der Multilinse (11) so gewählt ist, dass eine lükkenlose Detektion von Personen in dem Raumbereich bei Wand- und Deckenmontage möglich ist.
- Passiv-Infrarot Bewegungs- oder Präsenzmelder nach einem der Ansprüche 1-9, dadurch gekennzeichnet, dass die Linsen (12-18) auf der Multilinse (11) so angeordnet sind, dass sie geeignet sind zur Erfassung von Sichtfeldern (32-38) in einem Raumwinkelbereich grösser als π und vorzugsweise in einem vertikalen Winkelbereich von grösser als π/2.
- Passiv-Infrarot Bewegungs- oder Präsenzmelder nach einem der Ansprüche 1-10, dadurch gekennzeichnet, dass der Bewegungs- oder Präsenzmelder eine Steuereinheit (8) umfasst, die zur Ausgabe eines Steuersignals an ein elektrisches Gerät, insbesondere an einen automatischen Lichtschalter, in Abhängigkeit von einer Präsenz von Personen in einem vom Bewegungs- oder Präsenzmelder überwachten Raumbereich geeignet ist.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50007553T DE50007553D1 (de) | 2000-01-28 | 2000-01-28 | Passiv-Infrarot Bewegungs- und Präsenzmelder mit umschaltbarer Optik |
DK00101818T DK1120763T3 (da) | 2000-01-28 | 2000-01-28 | Passiv-infraröd bevægelses- og tilstedeværelsesdetektor med omskiftelig optik |
EP00101818A EP1120763B1 (de) | 2000-01-28 | 2000-01-28 | Passiv-Infrarot Bewegungs- und Präsenzmelder mit umschaltbarer Optik |
ES00101818T ES2224926T3 (es) | 2000-01-28 | 2000-01-28 | Detector de movimiento y presencia a infrarrojos con optica conmutable. |
AT00101818T ATE274731T1 (de) | 2000-01-28 | 2000-01-28 | Passiv-infrarot bewegungs- und präsenzmelder mit umschaltbarer optik |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00101818A EP1120763B1 (de) | 2000-01-28 | 2000-01-28 | Passiv-Infrarot Bewegungs- und Präsenzmelder mit umschaltbarer Optik |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1120763A1 true EP1120763A1 (de) | 2001-08-01 |
EP1120763A9 EP1120763A9 (de) | 2001-12-05 |
EP1120763B1 EP1120763B1 (de) | 2004-08-25 |
Family
ID=8167720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00101818A Expired - Lifetime EP1120763B1 (de) | 2000-01-28 | 2000-01-28 | Passiv-Infrarot Bewegungs- und Präsenzmelder mit umschaltbarer Optik |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1120763B1 (de) |
AT (1) | ATE274731T1 (de) |
DE (1) | DE50007553D1 (de) |
DK (1) | DK1120763T3 (de) |
ES (1) | ES2224926T3 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1847822A1 (de) * | 2006-04-20 | 2007-10-24 | IQ Group SDN BHD | Passiver Infrarot-Detektor mit internen Maskierungsmitteln |
WO2011148231A1 (en) | 2010-05-26 | 2011-12-01 | Iq Group Sdn Bhd | An internal masking mechanism for a motion sensor unit |
US8891001B2 (en) * | 2012-10-04 | 2014-11-18 | Non Typical, Inc. | Automated camera assembly with infrared detector curtain |
EP3171346A3 (de) * | 2015-11-23 | 2017-08-09 | Essence Security International Ltd. | Einstellbare sicherheitserfassungsvorrichtung |
IT201800003637A1 (it) * | 2018-03-15 | 2019-09-15 | Tecnoalarm S R L | Involucro contenitore per dispositivo rivelatore IR |
CN112400190A (zh) * | 2018-09-12 | 2021-02-23 | 欧宝士株式会社 | 防盗传感器装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2602792A (en) * | 2021-01-06 | 2022-07-20 | Blick Vivian | Sensor cover |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4960995A (en) * | 1987-12-24 | 1990-10-02 | Asea Brown Boveri Aktiengesellschaft | Radiation detector |
DE4023341A1 (de) * | 1990-07-23 | 1992-01-30 | Jung Gmbh Albrecht | Passiver infrarotbewegungsmelder |
DE4100536A1 (de) * | 1991-01-10 | 1992-07-16 | Hochkoepper Paul Gmbh | Infrarotbewegungsmelder |
US5739753A (en) * | 1996-09-19 | 1998-04-14 | Leviton Manufacturing Co., Inc. | Detector system with adjustable field of view |
-
2000
- 2000-01-28 ES ES00101818T patent/ES2224926T3/es not_active Expired - Lifetime
- 2000-01-28 DE DE50007553T patent/DE50007553D1/de not_active Expired - Fee Related
- 2000-01-28 EP EP00101818A patent/EP1120763B1/de not_active Expired - Lifetime
- 2000-01-28 AT AT00101818T patent/ATE274731T1/de not_active IP Right Cessation
- 2000-01-28 DK DK00101818T patent/DK1120763T3/da active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4960995A (en) * | 1987-12-24 | 1990-10-02 | Asea Brown Boveri Aktiengesellschaft | Radiation detector |
DE4023341A1 (de) * | 1990-07-23 | 1992-01-30 | Jung Gmbh Albrecht | Passiver infrarotbewegungsmelder |
DE4100536A1 (de) * | 1991-01-10 | 1992-07-16 | Hochkoepper Paul Gmbh | Infrarotbewegungsmelder |
US5739753A (en) * | 1996-09-19 | 1998-04-14 | Leviton Manufacturing Co., Inc. | Detector system with adjustable field of view |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1847822A1 (de) * | 2006-04-20 | 2007-10-24 | IQ Group SDN BHD | Passiver Infrarot-Detektor mit internen Maskierungsmitteln |
WO2011148231A1 (en) | 2010-05-26 | 2011-12-01 | Iq Group Sdn Bhd | An internal masking mechanism for a motion sensor unit |
US8891001B2 (en) * | 2012-10-04 | 2014-11-18 | Non Typical, Inc. | Automated camera assembly with infrared detector curtain |
US9282298B2 (en) | 2012-10-04 | 2016-03-08 | Non-Typical, Inc. | Automated camera assembly with infrared detector curtain |
EP3171346A3 (de) * | 2015-11-23 | 2017-08-09 | Essence Security International Ltd. | Einstellbare sicherheitserfassungsvorrichtung |
EP3543978A1 (de) * | 2015-11-23 | 2019-09-25 | Essence Security International Ltd. | Einstellbarer bewegungssensor |
US10816396B2 (en) | 2015-11-23 | 2020-10-27 | Essence Security International (E.S.I.) Ltd. | Adjustable security sensing device |
IT201800003637A1 (it) * | 2018-03-15 | 2019-09-15 | Tecnoalarm S R L | Involucro contenitore per dispositivo rivelatore IR |
WO2019175841A1 (en) * | 2018-03-15 | 2019-09-19 | Tecnoalarm S.R.L. | Container housing for an ir detecting device |
CN112400190A (zh) * | 2018-09-12 | 2021-02-23 | 欧宝士株式会社 | 防盗传感器装置 |
Also Published As
Publication number | Publication date |
---|---|
DE50007553D1 (de) | 2004-09-30 |
EP1120763A9 (de) | 2001-12-05 |
DK1120763T3 (da) | 2004-11-22 |
ES2224926T3 (es) | 2005-03-16 |
ATE274731T1 (de) | 2004-09-15 |
EP1120763B1 (de) | 2004-08-25 |
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