EP1398742B1 - Passive infrared motion detector with at least two optical systems - Google Patents
Passive infrared motion detector with at least two optical systems Download PDFInfo
- Publication number
- EP1398742B1 EP1398742B1 EP03018902A EP03018902A EP1398742B1 EP 1398742 B1 EP1398742 B1 EP 1398742B1 EP 03018902 A EP03018902 A EP 03018902A EP 03018902 A EP03018902 A EP 03018902A EP 1398742 B1 EP1398742 B1 EP 1398742B1
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- Prior art keywords
- motion detector
- detector according
- motion
- plastic mounting
- regions
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- 230000003287 optical effect Effects 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 230000005855 radiation Effects 0.000 claims abstract description 12
- 238000011156 evaluation Methods 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims 2
- 230000011664 signaling Effects 0.000 claims 2
- 230000007781 signaling event Effects 0.000 claims 1
- 238000013461 design Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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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
Definitions
- the invention relates to a passive infrared motion detector for detecting movements of persons.
- Such motion detectors are known, for example, from the textbook “Passive Infrared Motion Detectors", Verlag Moderne Industrie, Landsberg / Lech, 1996.
- a motion detector which has two sensors.
- the first sensor is arranged as a motion sensor for monitoring a large surveillance area
- the second sensor as a thermal sensor for monitoring a small surveillance area, the small area lying within the large area.
- the second sensor is released by the first sensor as soon as the first sensor detects a movement.
- a temperature detected at the time of release of the second sensor is stored as reference temperature and used for signal evaluation.
- evaluation prepared output signals of the two sensors are linked via an OR gate to a single output signal, which is used for switching on and off a lighting.
- the purpose of the arrangement is to be able to detect a person staying in the small area even if he no longer moves, ie is simply present, and to control the switch-on duration of the lighting as a function thereof.
- the first sensor is a pyroelectric sensor for monitoring a large area
- the second sensor is a sensor of another type, in particular a radar system for monitoring a small area, the small area is within the large area.
- An advantage of this arrangement is its suitability as a safety system, as false alarms are better avoided than with a standard motion detector. This property is achieved in that in a person detection by the first sensor, a switching of the single output relay is only released when the radar sensor has detected a movement. A controlled by the output relay alarm message can also be made dependent on a determined direction of movement and / or movement speed
- the aforementioned motion detectors with two sensor systems have in common that they have only one switching output, whereby no differentiated circuits or messages are possible.
- a passive infrared motion detector is shown and described with a multifunction module having a plastic holder for receiving a plurality of detector circuit boards.
- This known design of a sensor arrangement in conjunction with an associated lens system, enables the realization of a motion detector with a selectable monitoring range, but only a single switching output is present.
- the invention has for its object to provide a further development, which allows monitoring of two non-overlapping areas, namely a short range and a long range.
- a motion detector which has a simple structure in principle, but as a universal device - if necessary, also subsequently changed - to different needs can be adapted.
- the motion detector has for this purpose a plurality of optical systems for forming substantially non-overlapping detection areas, whose output signals are fed to at least one processing device, which in turn drives a plurality of switching outputs.
- the processing device advantageously includes a microcomputer which is programmable according to the required signal links.
- the device components essential for this purpose it is proposed to use a known plastic holder which carries detector circuit boards on which infrared radiation detectors of the two optical systems are arranged, but at least one screen is formed on the plastic holder.
- the screen is designed so that the detection of respective infrared radiation from the two detection areas is shielded from each other, but no impairment of the infrared radiation detection takes place in the respective detection area.
- the motion detector can be extended by appropriate means in the modular system for all common additional functions, such as twilight switch or remote parameterization.
- Fig. 1 shows a block diagram of a motion detector according to the invention, the two optical systems 1, 2 for detecting movements of persons, a signal processing means or evaluation device 5 and two switching outputs 6, 7 has.
- the evaluation device 5 are output signals of the two optical systems 1, 2 supplied.
- the switching outputs 6, 7 are controlled by the evaluation device 5.
- the optical systems 1, 2 each contain at least one infrared sensor and optically imaging elements, such as lenses and mirrors, and are each for a certain detection range (see FIG. Fig. 2 ) designed.
- the first optical system 1 for a person detection in a long-range area, and the second optical system 2 for a person detection in a near area can be designed.
- the first switching output 6 is usually provided for controlling a lighting device, wherein the lighting device is switched on typically for a certain duration, when a person movement is detected in any of the monitored areas.
- the second switching output 7 can be used, for example, for alarms and to be connected to an optical or acoustic signal generator. Depending on the application, the activation of the second switching output 7 can be made dependent on certain conditions. For example, by signal evaluation in the evaluation device 5 an alarm is triggered when a person moves in a certain direction and at a certain speed. For example, a person detection in areas 23 and 24 ( Fig. 2 ) trigger an alarm in a certain order and a certain time interval.
- the generated alarm signal can also be used alone or additionally internally, for example, to activate a flashing light located on the motion detector or another alarm-giving element.
- a motion detector 21 in the usual arrangement height of 2.5 m is mounted on a building 20.
- the motion detector 21 is set up at least for monitoring a near zone 23 and a far zone 24.
- the near zone is not part of the long-range but adjoins it.
- Close range 23 may, for. Example, be a range of 1 to 5 m distance from the building, the remote area 24 be a range of 5 to 20 m.
- additional detection areas 22, 25 may be provided.
- Fig. 2 is z. B. a so-called Unterkriech- and back field area 22, with which a person in building tables, z. B. is detectable in the entrance door area.
- an additional area 25 can be provided, which adjoins the remote area 24, which may then be designed as a middle area - for 5 to 12 m.
- the function of the creep and back field region 22 can be additionally achieved therewith.
- additional detection areas 22, 25 and additional switching outputs can be provided, which are not shown in drawing figures.
- This enables differentiated reactions or messages on person detections in the individual coverage areas. For example, a person moving away from the building can be detected by the order of their detection in the individual areas and trigger no or another message as a person moving towards the building.
- a programmable and appropriately programmed evaluation device 5 In this case, an evaluation can be carried out by comparing a current pattern resulting from detection with stored patterns.
- the individual detection areas 22, 23, 24 and 25 are formed by means of mutually delimited or shielded optical systems of the motion detector.
- FIGS. 3 to 7 means are shown, with which a clearly separate detection in a near area and a far area is achieved.
- This solution according to the invention can be realized with extremely low cost overhead compared to standard motion detectors, since only a small strip-shaped screen for limiting the field of view of the respective detector is required.
- Fig. 3 shows a plastic holder 35, the receiving frame 32 has, are inserted into the detector circuit boards 36.
- the - in the exemplary embodiment three - detector circuit boards 36 are arranged at a suitable angle to each other to achieve a desired detection angle, here 220 degrees.
- the detector boards 36 each carry first infrared radiation detectors 34 for monitoring the far range 24.
- Two of the detector boards 36 also carry obliquely downwardly directed second infrared radiation detectors 37 for monitoring the proximity area 23.
- webs 30 is a screen 38, split into two in the example, to the holder 35 molded.
- the screen 38 has a width of about 6 mm and each of the two pieces has a length of about 37 mm.
- FIGS. 4 and 5 show two views of a populated main conductor bar 40.
- the main conductor bar 40 has openings 42, in the locking elements 31 of the holder 35 (see FIG. Fig. 3 ).
- the main conductor bar 40 has at least one main surface 41 interconnects, which are not shown in the drawing, as well as contacted electronic components 43.
- the screen 38 and the device 39 can be seen for remote control.
- FIGS. 6 and 7 show two views of a housing part 65 which is connected to complete the motion detector with another, not shown in the drawing housing part.
- the illustrated housing part 65 is in the FIGS. 4 and 5 shown equipped main board bar 40 used. In operation, the in Fig. 6 overhead housing side down.
- a large-area lens arrangement 60 of the housing part 65 directs infrared radiation from the remote area 24 to the first detectors 34.
- Two spherical segment lens arrangements 61 direct infrared radiation from the vicinity 23 to the second infrared radiation detectors 37.
- Through holes 63 of the housing part 65 are control elements for setting operating modes and Parameters accessible. Behind a first window 62 is the sensor 33 of the infrared remote control device.
- a second window 64 leads daylight to an in Fig. 5 not shown sensor of a twilight switch.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Die Erfindung betrifft einen Passiv-Infrarot-Bewegungsmelder zur Erfassung von Bewegungen von Personen. Solche Bewegungsmelder sind beispielsweise aus dem Fachbuch "Passiv-Infrarot-Bewegungsmelder", Verlag Moderne Industrie, Landsberg/Lech, 1996 bekannt.The invention relates to a passive infrared motion detector for detecting movements of persons. Such motion detectors are known, for example, from the textbook "Passive Infrared Motion Detectors", Verlag Moderne Industrie, Landsberg / Lech, 1996.
Aus
Eine weitere Bewegungsmelderausführung mit zwei Sensoren ist aus
Den vorgenannten Bewegungsmeldern mit zwei Sensorsystemen ist gemeinsam, daß sie nur einen Schaltausgang aufweisen, wodurch keine differenzierten Schaltungen oder Meldungen möglich sind.The aforementioned motion detectors with two sensor systems have in common that they have only one switching output, whereby no differentiated circuits or messages are possible.
In der deutschen Patentanmeldung "Passiv-Infrarot-Bewegungsmelder", Aktenzeichen
Weiterhin ist in der
Ausgehend von der aus
Diese Aufgabe wird durch einen Bewegungsmelder gelöst, der die im Anspruch 1 angegebenen Merkmale aufweist. Vorteilhafte Ausgestaltungen sind in weiteren Ansprüchen angegeben.This object is achieved by a motion detector having the features specified in
Mit der Erfindung wird demnach ein Bewegungsmelder vorgeschlagen, der einen im Prinzip einfachen Aufbau hat, aber als Universalgerät - gegebenenfalls auch nachträglich änderbar - an unterschiedliche Bedarfsfälle anpassbar ist. Der Bewegungsmelder weist dazu mehrere optische Systeme zur Bildung sich im wesentlichen nicht überlappender Erfassungsbereiche auf, deren Ausgangssignale mindestens einer Verarbeitungseinrichtung zugeführt sind, die wiederum mehrere Schaltausgänge ansteuert. Die Verarbeitungseinrichtung enthält vorteilhaft einen Mikrocomputer, der entsprechend der benötigten Signalverknüpfungen programmierbar ist.With the invention, a motion detector is therefore proposed, which has a simple structure in principle, but as a universal device - if necessary, also subsequently changed - to different needs can be adapted. The motion detector has for this purpose a plurality of optical systems for forming substantially non-overlapping detection areas, whose output signals are fed to at least one processing device, which in turn drives a plurality of switching outputs. The processing device advantageously includes a microcomputer which is programmable according to the required signal links.
Als konkrete Ausführung der hierfür wesentlichen Gerätekomponenten wird vorgeschlagen, einen an sich bekannten Kunststoffhalter zu verwenden, der Detektorleiterplatten trägt, auf denen Infrarotstrahlungs-Detektoren der beiden optischen Systeme angeordnet sind, wobei jedoch am Kunststoffhalter wenigstens ein Schirm angeformt ist. Der Schirm ist so gestaltet, dass damit die Erfassung jeweiliger Infrarotstrahlung aus den beiden Erfassungsbereichen gegeneinander abgeschirmt ist, aber keine Beeinträchtigung der Infrarotstrahlenerfassung im jeweiligen Erfassungsbereich erfolgt.As a concrete embodiment of the device components essential for this purpose, it is proposed to use a known plastic holder which carries detector circuit boards on which infrared radiation detectors of the two optical systems are arranged, but at least one screen is formed on the plastic holder. The screen is designed so that the detection of respective infrared radiation from the two detection areas is shielded from each other, but no impairment of the infrared radiation detection takes place in the respective detection area.
Besondere Vorteile ergeben sich aus den aneinandergrenzenden Erfassungsbereichen in Verbindung mit der mehr als einen Schaltausgabe, weil damit neue Funktionen realisierbar sind. Außerdem kann der Bewegungsmelder durch entsprechende Mittel im Baukastensystem für alle gängigen Zusatzfunktionen, wie Dämmerungsschalter oder Fernparametrierung, erweitert werden.Particular advantages result from the adjacent detection areas in conjunction with the more than one switching output, because it allows new functions to be realized. In addition, the motion detector can be extended by appropriate means in the modular system for all common additional functions, such as twilight switch or remote parameterization.
Eine weitere Erläuterung der Erfindung erfolgt nachstehend anhand von Ausführungsbeispielen, die in Zeichnungsfiguren dargestellt sind.A further explanation of the invention is given below with reference to exemplary embodiments, which are illustrated in drawing figures.
-
Fig. 1 ein Blockschema eines erfindungsgemäßen Bewegungsmelders,Fig. 1 a block diagram of a motion detector according to the invention, -
Fig. 2 beispielhafte Überwachungsbereiche,Fig. 2 exemplary monitoring areas, -
Fig. 3 einen Kunststoffhalter mit angeformtem Schirm,Fig. 3 a plastic holder with molded screen, -
Fig. 4 eine Hauptleiterplatte mit eingerastetem Kunststoffhalter in einer ersten Ansicht,Fig. 4 a main circuit board with an engaged plastic holder in a first view, -
Fig. 5 die Hauptleiterplatte mit eingerastetem Kunststoffhalter in einer zweiten Ansicht, undFig. 5 the main circuit board with an engaged plastic holder in a second view, and -
Fig. 6 +7 ein Gehäuseteil mit einer Linsenanordnung.Fig. 6 +7 a housing part with a lens arrangement.
Die optischen Systeme 1, 2 enthalten jeweils wenigstens einen Infrarotsensor und optisch abbildende Elemente, wie Linsen und Spiegel, und sind jeweils für einen bestimmten Erfassungsbereich (vergl.
Der erste Schaltausgang 6 ist üblicherweise zur Steuerung einer Beleuchtungseinrichtung vorgesehen, wobei die Beleuchtungseinrichtung typisch für eine bestimmte Dauer eingeschaltet wird, wenn eine Personenbewegung in irgend einem der überwachten Bereiche detektiert wird.The
Der zweite Schaltausgang 7 kann beispielsweise für Alarme genutzt werden und dazu mit einem optischen oder akustischen Signalgeber verbunden werden. Je nach Anwendung kann die Aktivierung des zweiten Schaltausgangs 7 von bestimmten Bedingungen abhängig gemacht werden. Beispielsweise kann durch Signalauswertung in der Auswerteeinrichtung 5 ein Alarm dann ausgelöst werden, wenn sich eine Person in einer bestimmten Richtung und mit bestimmter Geschwindigkeit bewegt. So kann beispielsweise eine Personendetektion in den Bereichen 23 und 24 (
Das erzeugte Alarmsignal kann auch allein oder zusätzlich intern, beispielsweise zur Aktivierung eines am Bewegungsmelder befindlichen Blinklichts oder eines anderen alarmgebenden Elements genutzt werden.The generated alarm signal can also be used alone or additionally internally, for example, to activate a flashing light located on the motion detector or another alarm-giving element.
In
Es können außerdem noch zusätzliche Erfassungsbereiche 22, 25 vorgesehen sein. In
Entsprechend den zusätzlichen Erfassungsbereichen 22, 25 können auch zusätzliche Schaltausgänge vorgesehen werden, die nicht in Zeichnungsfiguren dargestellt sind. Damit werden differenzierte Reaktionen oder Meldungen auf Personendetektionen in den einzelnen Erfassungsbereichen möglich. Beispielsweise kann eine sich vom Gebäude weg bewegende Person durch die Reihenfolge ihrer Erfassung in den einzelnen Bereichen detektiert werden und keine oder eine andere Meldung auslösen als eine sich auf das Gebäude zu bewegende Person. Solche und weitere Funktionen sind mittels einer programmierbaren und entsprechend programmierten Auswerteeinrichtung 5 möglich. Dabei kann eine Auswertung durch Vergleich eines sich durch Erfassung aktuell ergebenden Bewegungsmusters mit gespeicherten Mustern erfolgen.According to the
Die einzelnen Erfassungsbereiche 22, 23, 24 und 25 sind mittels gegeneinander abgegrenzte, bzw. abgeschirmte optische Systeme des Bewegungsmelders gebildet. In den
Die
Die
Eine großflächige Linsenanordnung 60 des Gehäuseteils 65 lenkt Infrarotstrahlung aus dem Fernbereich 24 auf die ersten Detektoren 34. Zwei kugelabschnittförmige Linsenanordnungen 61 lenken Infrarotstrahlung aus dem Nahbereich 23 auf die zweiten Infrarotstrahlungs-Detektoren 37. Durch Löcher 63 des Gehäuseteils 65 sind Bedienungselemente zur Einstellung von Betriebsarten und Parametern zugänglich. Hinter einem ersten Fenster 62 befindet sich der Sensor 33 der Infrarot-Fernbedienungseinrichtung. Ein zweites Fenster 64 führt Tageslicht auf einen in
Claims (14)
- A passive infrared motion detector (21), comprisinga) a first optical system (1) for detecting the motion of persons in a far region (24);b) a second optical system (2) for detecting the motion of persons in a near region (23), with the two detection regions (23, 24) being substantially adjoining regions which do not overlap one another;c) a plastic mounting (35) which carries detector circuit boards (36), on which infrared radiation detectors (34, 37) of the two optical systems (1, 2) are arranged, andd) a shield (38) formed on the plastic mounting (35), which shield is arranged in such a way that the detection of the respective infrared radiation from the two detection regions (23, 24) is shielded from one another.
- A motion detector according to claim 1, characterized in that an evaluation device (5) is provided which is supplied with the output signals of the two optical systems (1, 2).
- A motion detector according to claim 2, characterized in that a first switching output (6) and at least one additional switching output (7) are present which are controlled by the evaluation device (5).
- A motion detector according to claim 3, characterized in that an illumination device can be connected to the first switching output (6) and the evaluation device (5) is arranged to activate a connected illumination device for an adjustable duration when a motion of a person is detected in one of the regions (23, 24).
- A motion detector according to claim 3 or 4, characterized in that an alarm or signaling device is connected to the second switching output (7) and the evaluation device (5) is set up to only activate the alarm and signaling device when a motion of a person is detected in the regions (23, 24) in a fixed sequence and/or minimum speed.
- A motion detector according to one of the preceding claims, characterized in that an alarming element, especially a flashing light, is present in or on the motion detector (21), which flashing light is activated in addition to the second switching output (7) in the alarm or signaling event.
- A motion detector according to one of the preceding claims, characterized in that additional optical systems are present for monitoring additional regions (22, 25).
- A motion detector according to one of the preceding claims, characterized in that an apparatus (39) for receiving a sensor (33) of an infrared remote-control device is formed integrally on or attached to the plastic mounting (35), and or is attached to one of the detector circuit boards (36).
- A motion detector according to one of the preceding claims, characterized in that the plastic mounting (35) comprises several receiving frames (32) in which the detector circuit boards (36) can be inserted.
- A motion detector according to one of the preceding claims, characterized in that a main circuit board (40) is present which as a board made of electrically conductive material is arranged with printed conductors disposed on a main surface (41), and to which the plastic mounting (35) is fastened.
- A motion detector according to claim 10, characterized in that the detector circuit boards (36) have electric connections which are connected with the printed conductors of the main circuit board (40) in an electrically conductive way.
- A motion detector according to one of the claims 10 or 11, characterized in that openings (42) are provided in the main circuit board (40) for fastening the plastic mounting (35), in which latching elements (31) can be latched which are formed integrally on the plastic mounting (35).
- A motion detector according to one of the claims 10 to 12, characterized in that electronic components (43) are arranged on at least one main surface of the main circuit board (40).
- A motion detector according to one of the preceding claims, characterized in that at least one lens arrangement (60, 61) is present in a housing part (65) of the motion detector (21), with which infrared rays can be guided to at least one of the infrared radiation detectors (34, 37).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10242483 | 2002-09-13 | ||
DE10242483A DE10242483A1 (en) | 2002-09-13 | 2002-09-13 | Passive infrared motion detector with at least two optical systems |
Publications (2)
Publication Number | Publication Date |
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EP1398742A1 EP1398742A1 (en) | 2004-03-17 |
EP1398742B1 true EP1398742B1 (en) | 2009-07-01 |
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Application Number | Title | Priority Date | Filing Date |
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EP03018902A Expired - Lifetime EP1398742B1 (en) | 2002-09-13 | 2003-08-20 | Passive infrared motion detector with at least two optical systems |
Country Status (5)
Country | Link |
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EP (1) | EP1398742B1 (en) |
AT (1) | ATE435473T1 (en) |
DE (2) | DE10242483A1 (en) |
NO (1) | NO20034040L (en) |
PL (1) | PL362166A1 (en) |
Cited By (1)
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US9535589B2 (en) | 2011-10-21 | 2017-01-03 | Google Inc. | Round thermostat with rotatable user input member and temperature sensing element disposed in physical communication with a front thermostat cover |
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DE202004018647U1 (en) * | 2004-12-01 | 2006-04-06 | Steinel Gmbh | SensorLight |
EP1847822A1 (en) * | 2006-04-20 | 2007-10-24 | IQ Group SDN BHD | A passive infrared detector with internal masking means |
ATE418773T1 (en) | 2006-06-21 | 2009-01-15 | Abb Ag | MOTION DETECTOR WITH INTEGRATED ALARM DEVICE |
WO2011148231A1 (en) | 2010-05-26 | 2011-12-01 | Iq Group Sdn Bhd | An internal masking mechanism for a motion sensor unit |
US8780220B2 (en) * | 2011-07-08 | 2014-07-15 | Asia Optical International Ltd. | Sensing range selectable image sensor module |
CN103002203A (en) * | 2011-09-09 | 2013-03-27 | 亚洲光学股份有限公司 | Image detection module capable of selecting different detection ranges |
US8622314B2 (en) | 2011-10-21 | 2014-01-07 | Nest Labs, Inc. | Smart-home device that self-qualifies for away-state functionality |
WO2013108158A1 (en) * | 2012-01-20 | 2013-07-25 | Koninklijke Philips N.V. | Method and algorithm for self-learning/auto-commissioning by multiple sensor elements for outdoor lighting application |
CN202904038U (en) * | 2012-09-29 | 2013-04-24 | 东莞巨扬电器有限公司 | Shielding structure of passive infrared sensor and passive infrared sensing device having same |
WO2014139673A2 (en) * | 2013-03-12 | 2014-09-18 | Brück Dietmar Friedrich | Detector unit for monitoring a room, detector system and use of the detector system |
DE102014002686B4 (en) * | 2014-02-28 | 2016-07-21 | Abb Ag | Infrared motion detector |
JP2019144009A (en) * | 2018-02-16 | 2019-08-29 | オプテックス株式会社 | Crime prevention sensor device |
JP2019144008A (en) * | 2018-02-16 | 2019-08-29 | オプテックス株式会社 | Crime prevention sensor device |
DE102019131487A1 (en) * | 2019-11-21 | 2021-05-27 | Dietmar Friedrich Brück | Detector unit, detector system and method for operating the detector system |
DE102020106993A1 (en) * | 2020-03-13 | 2021-09-16 | Steinel Gmbh | Infrared motion detector |
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DE4036342C1 (en) * | 1990-11-15 | 1992-03-26 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | Passive IR monitoring system - comprises stack of IR detectors distributed on column at various angles to cover complete field without gaps |
FI381U1 (en) * | 1992-05-06 | 1992-11-23 | Matti Myllymaeki | Oevervaknings- och alarmanordning Foer rumsutrymmen |
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US6100803A (en) * | 1999-02-10 | 2000-08-08 | Chang; Wen-Hsiang | Infrared illuminative warning detector |
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-
2002
- 2002-09-13 DE DE10242483A patent/DE10242483A1/en not_active Withdrawn
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2003
- 2003-08-20 AT AT03018902T patent/ATE435473T1/en active
- 2003-08-20 EP EP03018902A patent/EP1398742B1/en not_active Expired - Lifetime
- 2003-08-20 DE DE50311651T patent/DE50311651D1/en not_active Expired - Lifetime
- 2003-09-12 NO NO20034040A patent/NO20034040L/en unknown
- 2003-09-12 PL PL03362166A patent/PL362166A1/en not_active IP Right Cessation
Cited By (3)
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US9535589B2 (en) | 2011-10-21 | 2017-01-03 | Google Inc. | Round thermostat with rotatable user input member and temperature sensing element disposed in physical communication with a front thermostat cover |
US9857961B2 (en) | 2011-10-21 | 2018-01-02 | Google Inc. | Thermostat user interface |
US10048852B2 (en) | 2011-10-21 | 2018-08-14 | Google Llc | Thermostat user interface |
Also Published As
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NO20034040D0 (en) | 2003-09-12 |
DE10242483A1 (en) | 2004-03-25 |
EP1398742A1 (en) | 2004-03-17 |
DE50311651D1 (en) | 2009-08-13 |
NO20034040L (en) | 2004-03-15 |
PL362166A1 (en) | 2004-03-22 |
ATE435473T1 (en) | 2009-07-15 |
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