EP1441317A1 - Vidéocamera, particulierement caméra de surveillance vidéo - Google Patents

Vidéocamera, particulierement caméra de surveillance vidéo Download PDF

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Publication number
EP1441317A1
EP1441317A1 EP04000584A EP04000584A EP1441317A1 EP 1441317 A1 EP1441317 A1 EP 1441317A1 EP 04000584 A EP04000584 A EP 04000584A EP 04000584 A EP04000584 A EP 04000584A EP 1441317 A1 EP1441317 A1 EP 1441317A1
Authority
EP
European Patent Office
Prior art keywords
image sensor
sensor module
camera
camera according
lens
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
Application number
EP04000584A
Other languages
German (de)
English (en)
Other versions
EP1441317B1 (fr
Inventor
Gudrun Borowski
Frank Riediger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gira Giersiepen GmbH and Co KG
Original Assignee
Gira Giersiepen GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gira Giersiepen GmbH and Co KG filed Critical Gira Giersiepen GmbH and Co KG
Publication of EP1441317A1 publication Critical patent/EP1441317A1/fr
Application granted granted Critical
Publication of EP1441317B1 publication Critical patent/EP1441317B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G08B13/194—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 image scanning and comparing systems
    • G08B13/196—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 image scanning and comparing systems using television cameras
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/19626—Surveillance camera constructional details optical details, e.g. lenses, mirrors or multiple lenses
    • G08B13/19628—Surveillance camera constructional details optical details, e.g. lenses, mirrors or multiple lenses of wide angled cameras and camera groups, e.g. omni-directional cameras, fish eye, single units having multiple cameras achieving a wide angle view
    • 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
    • G08B13/194—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 image scanning and comparing systems
    • G08B13/196—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 image scanning and comparing systems using television cameras
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/1963—Arrangements allowing camera rotation to change view, e.g. pivoting camera, pan-tilt and zoom [PTZ]

Definitions

  • the invention relates to a camera, in particular a video surveillance camera an image sensor module, an associated lens and a holding part.
  • the invention further relates to a camera, in particular one Video surveillance camera, with an image sensor module, which is used a pivoting element is pivoted such that different Viewing directions of the image sensor module are adjustable, the image sensor module in a device housing with a viewing opening is arranged.
  • a video surveillance camera is e.g. B. in the document DE 197 24 411 A1 described.
  • the image sensor module is arranged within a housing which is connected to a viewing opening for the image sensor module is provided. So different Viewing directions can be set is the entire housing of the Image sensor module pivoted over a ball bearing.
  • the image sensor module is fixed within the housing and can only be used together with the housing be pivoted. That protrudes relatively far from a wall Housing enables different viewing angles by changing the viewing direction, so when used in conjunction with a home communication system, especially with a door station, a setting adapted to the circumstances is possible, but at the expense of an aesthetically unsightly arrangement and an adjustment or sabotage option by unauthorized persons or even one Adjustment by strong winds.
  • Video surveillance cameras with a constant line of sight are also known. Such devices have a relatively flat design and can, for example be attached to a wall. They are far less noticeable than the ones mentioned earlier Video surveillance cameras and are more suitable for home communication systems. Video surveillance cameras with an immobile sensor capture one Person only if they are directly in front of a door station, the Video surveillance camera must be attached near the door station. The Applications of this device are due to the immutable Unfortunately, the viewing direction is very limited.
  • Such video surveillance cameras also have no lens with which individual focusing (image sharpness adjustment) is possible.
  • Certain Lenses such as B. for SLR cameras are focusable, but also expensive and additionally increase the dimensions of the device.
  • the invention is based on the object of a camera of the type mentioned to create that is particularly suitable for home communication systems, especially for use in the area of a door station, and compared to known Cameras allows a flatter and more compact design in a cost-effective way and offers improved uses.
  • the lens has a thread with which it with the intermediate arrangement of the holding part and an elastic intermediate part is screwed to a counter thread of the image sensor module that the thread has a double function, namely a fastening function for the Image sensor module on the holding part via the lens and a focusing function by changing an optical distance between the image sensor module and Lens.
  • This double function is achieved by the elastic intermediate part it can be compressed to different degrees, so that the mechanical fastening function, focusing is also possible in a simple manner is without the need for expensive lenses or the concept of a compact Design would have to be left.
  • the image sensor module within the Device housing is pivotally guided, the image sensor module on the Swivel element is attached directly.
  • the camera can the image sensor module with the help of the swivel element, which is preferably an annular holding part, within a preferably removable hemispherical transparent hood can be arranged to save space, the partially pivotable image sensor module in a building wall or in one Wall recess can be arranged.
  • This inventive measure results a flat and compact design, making it particularly appealing Design, whereby a desired viewing direction can be preset and not by unauthorized persons People is adjustable.
  • the swivel element as an annular holding part is a compact unit consisting of an image sensor module and a lens, preferably wide-angle lens, possible, with an exact focusing (Focus adjustment) of the particular screwed-on lens by an between Elastic intermediate part arranged lens and holding part even after a long time and is guaranteed under extreme operating conditions.
  • a video surveillance camera comprises an image sensor module 2, a device housing 6 consisting of different parts (FIG. 4) and a Swivel element 8 according to the invention and further individual parts described later.
  • the image sensor module 2 has a CCD chip with a not visible in the figures matrix-shaped pixel structure, e.g. B. with 500 columns and 400 rows, which one is soldered to a circuit board 4.
  • the CCD chip is protected against stray light by a chip cover part 5 protected, a lens 7 - over a sensor surface of the chip in particular a wide-angle lens.
  • the circuit board 4 further components, for example for chip control and video signal generation present, so that the image sensor module 2 as a compact unit a video signal supplies.
  • the image sensor module 2 is inside according to the invention of the device housing 6 pivotally guided (see also Fig. 5 and 6).
  • the image sensor module 2 is fastened to the swivel element 8, and via a lens 30, as will be explained later.
  • the pivot element 8 and that Image sensor module 2 are together within a dome-like area of the Device housing as a unit pivotable (double arrow S, Fig. 3), but, as later is explained, not rotatable around an axial axis X unlimited (Fig. 3).
  • the pivot element 8 is a preferably annular holding part 3 with a front Front side 9, a rear end face 10 and with a central through opening 11 (Fig. 1) formed, whereby a very flat design is possible.
  • the Image sensor module 2 is behind the opening 11 in the area of the rear end face 10 of held the holding part 3, so that the unit of holding part 3 and image sensor module 2nd will be produced.
  • the image sensor module 2 is attached via the lens 30 (Fig. 2, Fig. 5).
  • This lens 30, designed in particular as a wide-angle lens for this purpose at an end facing the image sensor module 2 with an external thread 29 provided, which in an internal thread 29a of the image sensor module 2, in particular engages on the chip cover part 7.
  • the internal thread 29a lies in a recess a lens side of the chip cover part 7.
  • the depression is of an annular shape Collar 92 surround.
  • the lens 30 is in the area of the external thread 29 provided a smaller diameter, so that when screwing on the one hand Objective 30 is located on a ring stage 61 of the holding part 3 and on the other hand that Image sensor module 2 on a contact surface 16 in the region of the (lower) end face 10 supports.
  • the holding part 3 between the lens 30 and the image sensor module 2 pinched after screwing, whereby a swivel unit consisting of Objective 30, image sensor module 3 and holding part 3 is realized.
  • This swivel unit but can also in principle, as far as the pivotable arrangement itself be realized differently, for example by attaching lens 30 and Image sensor module 2 each directly on the holding part 3 without a direct connection between Lens 30 and image sensor module 2.
  • Lens 30 and image sensor module 2 can also also be connected to one another via an intermediate holding part (not shown).
  • the holding part 3 in the manner of a ball joint, can be pivoted in all directions is, it is provided with an outer spherical surface 12, which with a Bearing bracket 13 with an inner, correspondingly curved dome-shaped Bearing surface 14 interacts (see, for example, FIG. 3).
  • An upper housing shell 20 forms preferably the bearing surface 14, as shown in FIGS. 4 to 6 and FIG. 12.
  • the Upper housing shell 20 consists of a round dome-like section 21 and a approximately plate-shaped base portion 22, which is preferably square. On the base section 22 there are preferably locking fingers 23 for attachment to one illustrated stand, especially on a camera base module, which later is explained.
  • the (upper) section 21 has in particular an approximately hemispherical surface, with a viewing opening 24 (Fig. 1) is present, so that an open-view section is created, which is related to one by the Changing the viewing direction corresponds to the defined viewing angle range.
  • a transparent hood 28 In the assembled state, one is preferred on the base section 22 square cover 25 (Fig. 1, Fig. 4, Fig. 10) attached with a circular opening 27 is provided for a transparent hood 28.
  • the see-through hood 28 is in particular hemispherical and covers it Image sensor module 2 or the dome-like section 21 of the housing upper shell 20, the holding part 3 and the lens 30.
  • the transparent hood 28 is preferred together with the cover 25 and a frame 31 relatively light removable, in particular via at least two arranged on the frame 31 Screws 32 (Fig. 2 and 4).
  • the hood 28 is, as Fig. 1 shows, with one to the outside Directed annular edge 33 provided, which preferably four radially outwards directed fixing webs 34 carries.
  • Hood 28 fixed, each fixing web 34 arranged between two fixing pins 35 is.
  • the hood 28 is preferably integral with the cover 25 Unit connected, in particular welded. This unity gets stuck placed on the base section 22 and can be secured with the frame 31 become. As a result, the hood 28 is easily removable, making it a simple and inexpensive replacement of only the hood 28 with the cover 25 without any problems is possible, i.e. without the entire camera. B. in the event of contamination ("Graffiti") or damage (scratches, breakage) to the hood have to.
  • the frame 31 is provided with a recess 37 corresponding to the cover 25 provided, wherein on the cover 25 there is an investment stage 38, which a z. B. made of foam rubber seal 95 on an underside of Frame 31 rests (Fig. 1 to 4).
  • a cover part (intermediate frame) 40 is present, which corresponds to the outer Dimensions of the frame 31 is formed and one in particular square cutout 41 for the base section 22 of the housing upper shell 20 The cutout 41 is slightly larger than the base section 22.
  • the hood 28 is designed to be removable, the desired one Viewing direction of the image sensor module 2 via the holding part 3 or by pivoting of the lens firmly connected to the unit of holding part 3 and image sensor module 2 30 can be set when the video surveillance camera 1 on a wall or the like is already installed.
  • annular circuit board 46 arranged, in particular four LEDs 47 for illumination especially a person standing in front of the video surveillance device 1.
  • the LEDs 47 preferably emit white light.
  • Section 22 is with openings 50 designed according to the arrangement of the LEDs 47.
  • the LED board 46 can be positively and / or non-positively and / or cohesively with the Lower shell 45 may be connected. In particular, it is glued with a fixation both parts preferably via elongated pins 70 formed on the section 21 (Fig. 5), approaches 51 and through holes 71 (Fig. 1) of the lower shell 45 and Holes 52 and 73 on the LED board 46 takes place.
  • the lower shell 45 also has cutouts 53 for the LEDs 47.
  • the lower shell 45 has a Fixing function for the holding part 3.
  • the lower shell 45 is for this Fixing function formed with a surface 55, which on the spherical surface 12th is present (Fig. 1, Fig. 5, Fig. 12).
  • the bearing surface 14 of the upper housing shell 20 forms a first clamping surface and the surface 55 of the lower shell 45 another Clamping surface for the holding part 3.
  • the lower shell 45 is opposite the Upper housing shell 20 is arranged to be easily axially displaceable. This axial Shift is preferably by two acting as clamping elements Tensioning screws 56 (Fig. 1, Fig. 2, Fig. 7) reached, with the hood 28 of are accessible from the outside.
  • the clamping screws 56 are supported with their Screw heads on the dome-like section 21 and engage in one collar-shaped threaded projection 51, which is formed on the lower shell 45, so that a clamping action on the holding part 3 by tightening the tensioning screws 56 is determined. This enables both a release position in which the holding part 3 is easily movable, as well as a locking position in which after a desired image setting, the holding part 3 between the curved clamping surfaces 14, 55 is held clamped (Fig. 6).
  • one Ring step of the lens 30 and an inward support edge 62 of the Holding part 3, according to the invention is an elastic intermediate part with a Through opening 85 positioned.
  • this is a ring 63.
  • this Ring 63 - especially sponge rubber ring - will also be an unwanted change of Focusing (focus adjustment) between the lens 30 and the Image sensor module 2 avoided by a force fit Protection against rotation against automatic rotation of the lens 30 relative to the Image sensor module 2 is reached, but focusing via the lens 30 arranged thread 29 with a corresponding counter thread 29 a on Image sensor module 2 is possible. It is very important to have a focus and Holding the image sensor module 2 via a single thread of the objective 30 this makes it possible for the ring 63 to be elastically compressible.
  • the ring 63 acting as an elastic intermediate layer is between Objective 30 and image sensor module 2 are arranged (cf. FIG. 1), the ring 63 is preferably housed between the lens 30 and the holding part 3.
  • the double thread function according to the invention is while ensuring mechanical fastening an individual focus on inexpensive and compact way possible.
  • the optical distance between Objective and image sensor module 2 or CCD chip set, the holding part 3 over the screws 56 must be locked.
  • the fastening function according to the invention for the image sensor module 2 on the Holding part 3 thus takes place through the lens 30, which makes it quick and easy Assembly is possible.
  • the image sensor module 2 is non-rotatable with the holding part 3 connected, whereas the lens 30 on the holding part 3 under the action of the elastic Rings 63 is rotatable.
  • the elastic ring 63 (height adjustment ring) enables precise focusing despite possible manufacturing tolerances. Due to the individual focus, it is even in the Possible if necessary, objects sharply differently from the camera put. Preferably, however, focusing is already preset in the factory, so that a fitter only has to adjust the camera angle. Through the Frictional effect of the elastic ring 63 becomes an unintentional change in the Focus prevented.
  • the image sensor module 2 is only limited is rotatable about its own axis. This prevents the Image sensor module 2 connected connecting cables can be damaged and / or that the image sensor module 2 with other parts if the rotation is too great collided. A slightly tilted image can also be corrected as a result of a pan movement become.
  • the swivel element is on, for example, with eight lugs 90 evenly distributed on its outer circumference (FIGS. 1, 9, 11) provided, which are designed as ridges or noses. In particular, they are on an (lower) edge region of the image sensor module 2 Ball surface 12 molded.
  • the Recesses 91b includes, with certain dimensions, i. H. by the Recesses 91a, 91b wider than the lugs 90 are dimensioned, a limited Rotatability, for example by 15 ° to 20 °, in particular approximately 17 °, is achieved.
  • the video surveillance camera is preferred as a camera module House communication system in particular for arrangement at a door station educated.
  • the camera module, the image sensor module 2 and the mechanical Fastening elements, such as the holding part 3, the housing upper shell 20 and the like includes, is electrical and mechanical with a camera base module, not shown connected.
  • the basic camera module includes means for power supply of the image sensor, communication means and / or an interface to one Communication bus of the house communication system.
  • swivel element 8 designed as a ball bearing
  • a could other swivel element adjustable in two axes can be used.
  • the camera can also be designed as a digital photo camera.
  • the camera 1 according to the invention can be installed in any type of housing, for example in so-called surface-mounted (AP) housings. Due to the flat, compact However, the construction is advantageously also an installation of the camera 1 in a conventional flush-type box (Flush-mounted installation box with standard diameter of approx. 60 mm) possible.
  • AP surface-mounted
  • the invention is not based on the illustrated and described exemplary embodiments limited, but also includes all those having the same effect within the meaning of the invention Versions. So far, the invention has also not yet been limited to that in claim 1 defined combination of features limited, but can also by any different combination of certain features of all the individual features disclosed overall be defined. This means that basically every single feature of claim 1 omitted or by at least one elsewhere single feature disclosed in the application can be replaced. in this respect is the Claim 1 merely as a first attempt at formulation for an invention understand.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Alarm Systems (AREA)
EP04000584A 2003-01-22 2004-01-14 Vidéocamera, particulierement caméra de surveillance vidéo Expired - Lifetime EP1441317B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10302590A DE10302590B4 (de) 2003-01-22 2003-01-22 Kamera, insbesondere Video-Überwachungskamera
DE10302590 2003-01-22

Publications (2)

Publication Number Publication Date
EP1441317A1 true EP1441317A1 (fr) 2004-07-28
EP1441317B1 EP1441317B1 (fr) 2005-12-14

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ID=32520082

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04000584A Expired - Lifetime EP1441317B1 (fr) 2003-01-22 2004-01-14 Vidéocamera, particulierement caméra de surveillance vidéo

Country Status (4)

Country Link
EP (1) EP1441317B1 (fr)
AT (1) ATE313133T1 (fr)
DE (1) DE10302590B4 (fr)
RU (1) RU2336656C2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH701692A1 (de) * 2009-08-26 2011-02-28 Rene Koch Ag Innensprechstelle zu Türsprechanlage.
CN106546336A (zh) * 2015-09-21 2017-03-29 伊诺家有限公司 温度防备传感器单元
CN107481501A (zh) * 2017-09-21 2017-12-15 天津九安医疗电子股份有限公司 一种摄像头云平台
CN112261370A (zh) * 2020-10-20 2021-01-22 广东视控达智能科技有限公司 一种通信用单元楼可视对讲装置

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
DE202005004675U1 (de) 2005-03-22 2006-08-03 Mekra Lang Gmbh & Co. Kg Kamera für den Außenbereich
CN102135701B (zh) * 2010-01-26 2013-04-10 允文科技股份有限公司 摄影机及红外线发光二极管调整装置
DE102010007529A1 (de) * 2010-02-11 2011-08-11 Unitechno Corp., Taiwan Einstellvorrichtung für eine Kamera und eine Beleuchtungseinrichtung mit IR-Dioden
DE102011010467B4 (de) * 2011-02-05 2012-08-30 Abb Ag Türstation eines Haus-Kommunikationssystems mit mindestens einer Wohnungsstation
DE102011103178A1 (de) * 2011-06-01 2012-12-06 Abb Ag Bildaufzeichnungs- und Abspeicherungsgerät
DE202014103541U1 (de) * 2014-07-30 2015-11-02 Burg-Wächter Kg Kameraanordnung
RU2682477C1 (ru) * 2018-01-15 2019-03-19 Александр Михайлович Соломенников Оптико-механический регистратор наблюдения

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EP0811874A1 (fr) * 1996-06-04 1997-12-10 Fifty Cycle Video Laser Device Co. Ltd. Caméra ayant un réglage simple de la position focale
EP1008973A1 (fr) * 1998-11-20 2000-06-14 Sony Corporation Caméra vidéo
EP1096452A2 (fr) * 1999-11-01 2001-05-02 Elbex Video Limited Boítier de caméra de forme sphérique avec positionnement simplifié
WO2001044850A2 (fr) * 1999-12-16 2001-06-21 Iridian Technologies, Inc. Systeme de centrage d'optique pour imageur a semi-conducteur
EP1271045A2 (fr) * 2001-06-18 2003-01-02 Guinaz, S.L. Support réglable de caméra vidéo pour dispositif d'ouverture de porte
EP1271214A1 (fr) * 2001-06-14 2003-01-02 STMicroelectronics S.r.l. Dispositif optique, en particulier détecteur d'image

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JPH08111805A (ja) * 1994-10-12 1996-04-30 Sony Corp ビデオカメラ
DE29612087U1 (de) * 1996-07-12 1997-11-06 Giersiepen Gira Gmbh Video-Überwachungsgerät
DE19943570B4 (de) * 1998-09-14 2005-05-04 Horst Siedle Gmbh & Co. Kg. Türstation
JP4092796B2 (ja) * 1998-11-20 2008-05-28 ソニー株式会社 ドーム型ビデオカメラ装置
DE10121547C1 (de) * 2001-05-03 2003-01-02 Ritto Gmbh & Co Kg Videokamera, insbesondere Überwachungskamera für eine Türsprechanlage
US6490103B1 (en) * 2001-07-03 2002-12-03 Chun-Ru Huang Lens assembly for monitor with infrared and focus adjustment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0811874A1 (fr) * 1996-06-04 1997-12-10 Fifty Cycle Video Laser Device Co. Ltd. Caméra ayant un réglage simple de la position focale
EP1008973A1 (fr) * 1998-11-20 2000-06-14 Sony Corporation Caméra vidéo
EP1096452A2 (fr) * 1999-11-01 2001-05-02 Elbex Video Limited Boítier de caméra de forme sphérique avec positionnement simplifié
WO2001044850A2 (fr) * 1999-12-16 2001-06-21 Iridian Technologies, Inc. Systeme de centrage d'optique pour imageur a semi-conducteur
EP1271214A1 (fr) * 2001-06-14 2003-01-02 STMicroelectronics S.r.l. Dispositif optique, en particulier détecteur d'image
EP1271045A2 (fr) * 2001-06-18 2003-01-02 Guinaz, S.L. Support réglable de caméra vidéo pour dispositif d'ouverture de porte

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH701692A1 (de) * 2009-08-26 2011-02-28 Rene Koch Ag Innensprechstelle zu Türsprechanlage.
CN106546336A (zh) * 2015-09-21 2017-03-29 伊诺家有限公司 温度防备传感器单元
EP3144908A3 (fr) * 2015-09-21 2017-10-04 Innohome Oy Unité de capteur de garde de température
CN107481501A (zh) * 2017-09-21 2017-12-15 天津九安医疗电子股份有限公司 一种摄像头云平台
CN112261370A (zh) * 2020-10-20 2021-01-22 广东视控达智能科技有限公司 一种通信用单元楼可视对讲装置
CN112261370B (zh) * 2020-10-20 2021-08-24 广东视控达智能科技股份有限公司 一种通信用单元楼可视对讲装置

Also Published As

Publication number Publication date
ATE313133T1 (de) 2005-12-15
RU2004100848A (ru) 2005-06-20
RU2336656C2 (ru) 2008-10-20
DE10302590B4 (de) 2005-04-28
DE10302590A1 (de) 2004-08-12
EP1441317B1 (fr) 2005-12-14

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