GB2461263A - Surveillance and recording device operating through a mains power outlet - Google Patents
Surveillance and recording device operating through a mains power outlet Download PDFInfo
- Publication number
- GB2461263A GB2461263A GB0811469A GB0811469A GB2461263A GB 2461263 A GB2461263 A GB 2461263A GB 0811469 A GB0811469 A GB 0811469A GB 0811469 A GB0811469 A GB 0811469A GB 2461263 A GB2461263 A GB 2461263A
- Authority
- GB
- United Kingdom
- Prior art keywords
- surveillance
- recording
- image
- module
- power outlet
- 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.)
- Withdrawn
Links
- 230000006837 decompression Effects 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 238000005286 illumination Methods 0.000 claims abstract 2
- 239000000758 substrate Substances 0.000 claims description 9
- 241000258971 Brachiopoda Species 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H04N7/108—Adaptations for transmission by electrical cable the cable being constituted by a pair of wires
-
- 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
-
- 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
- G08B13/19634—Electrical details of the system, e.g. component blocks for carrying out specific functions
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/06—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using power transmission lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H04N5/2256—
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Studio Devices (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
A surveillance and recording system communicating over a power line network through mains outlets includes a photographing device 2 as well as a display and recording device 11. The camera contains an image module 101, an image compression module 102 and a first power line adapter module 103. The display and recording device includes a display and recording module (110, fig. 3), a storage device 111, a processor 112, an image decompression module 113 and a second power line adapter module 114. The photographing device may be installed in lighting equipment (e.g. a lamp or a night light) whose mains lead fits an ordinary power outlet. The lamp may contain LEDs to provide illumination, and these may be switched by an ambient light sensor.
Description
SURVEILLANCE AND RECORDING DEVICE THROUGH AN
ORIGINAL POWER OUTLET
BACKGROUND OF THE INVENTION
(a) Field of the Invention
The present invention relates to a surveillance and recording device, and more particularly to lighting and photographing equipment which is provided with a photographing and surveillance function and can be installed at an ordinary power outlet, wherein the lighting and photographing equipment is not only provided with a disguise effect, but also allows a surveillance and recording system to be easily installed without setting up a image transmission wire.
(b) Description of the Prior Art
As a criminal skill is changing everyday, the popularity and importance of a surveillance and recording system are also increasing accordingly. However, for a camera which is sold on an ordinary market, its appearance is very easy to be identified that covertness required for the surveillance device will be lost and the camera can be found out easily by people with intentions to destroy or dodge from it. In addition, a power cable and an image transmission wire that are connected to the
-
surveillance device can be damaged easily. Therefore, a meaning for existence of the surveillance device will disappear.
SUMMARY OF THE INVENTION
Accordingly, the primary object of the present invention is to provide a surveillance and recording device through an original power outlet, which is lighting and photographing equipment that is provided with a photographing and surveillance function and can be installed at an ordinary power outlet. This lighting and photographing equipment is not only provided with a disguise effect, but also allows a surveillance and recording system to be easily installed without setting up an image transmission wire. The surveillance and recording device through the original power outlet of the present invention includes a photographing device as well as a display and recording device, wherein the photographing device is built in with an image module, an image compression module and a first power line adapter module. On the other hand, the display and recording device is built in with a display and recording module, a storage device, a processor, an image decompression module and a second power line adapter module. The photographing device is installed in the lighting and photographing equipment (e.g., a lamp-set or a night lamp) that is provided with a holding space; whereas, a power connector of the lighting and photographing equipment fits with an ordinary power outlet.
Accordingly, as the lighting and photographing equipment is provided with the photographing and surveillance function and can be installed at the ordinary power outlet, that lighting and photographing equipment is not only provided with the disguise effect, but also enables the surveillance and recording system to easily installed without setting up the image transmission wire.
Another object of the present invention is to provide a surveillance and recording device through an original power outlet, wherein as the power line adapter modules are directly built into a network camera and a network video recorder, a network connection can be accomplished through a power line just by providing power to the network camera and the network video recorder; whereas, images of the network camera can be transmitted to the network video recorder through the network connection.
Still another object of the present invention is to provide a surveillance and recording device through an original power outlet, which, as described above, allows a user to easily accomplish the installation of the surveillance and recording system just by providing power to the network camera and the network video recorder.
To enable a further understanding of the said objectives and the technological methods of the invention herein, the brief description of the drawings below is followed by the detailed description of the preferred embodiments.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 shows a block diagram of a structure of the present invention.
FIG. 2 shows a schematic view of a photographing device structure of a preferred embodiment of the present invention.
FIG. 3 shows a schematic view of a structure of a display and recording device of a preferred embodiment of the present invention.
FIG. 4 shows a cutaway view of a photographing device structure of a preferred embodiment of the present invention.
FIG. 5 shows a schematic view of a network connection of a preferred embodiment of the present invention.
FIG. 6 shows a schematic view of a network connection of another preferred embodiment of the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Referring to FIGS. 1 to 3, it shows a block diagram of a structure, a schematic view of a photographing device structure and a schematic view of a structure of a display and recording device, of the present invention, wherein a surveillance and recording device 1 comprises primarily a photographing device 10 as well as a display and recording device 11. The photographing device 10 is built in with an image module 101, an image compression module 102 and a first power line adapter module 103. In addition, the display and recording device 11 is built in with a display and recording module 110, a storage device 111, a processor 112, an image decompression module 113 and a second power line adapter module 114. The photographing device 10 is installed in lighting and photographing equipment 2 (e.g., an LED lamp-set or a night lamp), and a power connector 202 of that lighting and photographing equipment 2 fits with an ordinary power outlet 4.
Accordingly, the first power line adapter module 103 and the second power line adapter module 114 are connected with a default power line 3.
When the power line 3 is electrically connected with the photographing device 10, the first power line adapter module 103 and the second power line adapter module 114 will supply power and a network connection to the photographing device 10 as well as the display and recording device 11. As the photographing device 10 is built in with the image module 101, the image compression module 102 and the first power line adapter module 103, with the image module 101 containing a CCD (Charge Coupled Device) or a CMOS (Complementary Metal-Oxide Semiconductor) and being provided with an image processing function, multimedia information received by the image module 101 will be compressed as a default format through the image compression module 102, and then the compressed information of the multimedia information will be transmitted to the display and recording device 11 for storage or playing, through the power line 3, by using the first power line adapter module 103.
Referring to FIGS. 1 to 4, it shows a block diagram of a structure, a schematic view of a photographing device structure, a schematic view of a structure of a display and recording device and a cutaway view of a photographing device structure, of the present invention. The aforementioned photographing device 10 is installed in the lighting and photographing equipment 2, such as an LED lamp-set which includes a lamp shell 20 and a substrate 21, wherein an interior of the lamp shell 20 is defined into a holding space 201 to place the photographing device 10; an end of the lamp shell 20 is provided with the power connector 202 which fits with the ordinary power outlet 4; a ring of a plurality of light source elements 5, which can be LED lamps 50, is provided on the substrate 21, with the LED lamps 50 being a visible light lamp or an infrared lamp; a light sensor 6 which can detect intensity of ambient light rays and can automatically activate the LED lamps 50 is provided on the substrate 21; and a default location on the substrate 21 is defined into an opening 210 where a lens 7 is located to connect with the photographing device 10. Therefore, by installing the photographing device 10 into the LED lamp-set that is provided with the power connector 202 fitting with the ordinary power outlet 4, a user can just install the lighting and photographing equipment 2 at the ordinary power outlet 4 with the power connector 202, disregarding any situation, to achieve the functions of lighting and surveillance. In a mean time, as the photographing device is installed in the ordinary lighting and photographing equipment 2, the effect of disguise can be achieved, too.
Moreover, as the display and recording device 11 is built in with the display and recording module 110, the storage device 111, the processor 112, the image decompression module 113 and the second power line adapter module 114, when the compressed information of the multimedia information is transmitted through the power line 3, the information is received by the display and recording device 11 from the second power line adapter module 114, and is processed by the processor 112 before being stored into the storage device 111. If the user is to play that information, the compressed information of the multimedia information, which has been stored in the storage device 111, can be also transmitted by the processor 112 to the image decompression module 113 for decompression, and is then interpreted before being played through the display and recording module 110.
The display and recording device 110 can be an NVR (network video recorder) or other device.
On the other hand, as the first power line adapter module 103 and the second power line adapter module 114 are mutually connected with the power line 3 to form Ethernet, the user can use the first power line adapter module 103 and the second power line adapter module 114 to carry out a network connection, and can also use that Ethernet as a media for data transmission.
Referring to FIGS. 4 and 5, it shows a cutaway view of a photographing device structure and a schematic view of a network connection, of the present invention. Taking an LED lamp-set as an example of the lighting and photographing equipment 2, when the user is to activate the LED lamp-set, he or she can just put the power connector 202 on the LED lamp-set into the ordinary power outlet 4, and then the LED lamp-set will be energized and the internal photographing device 10 will be activated. At a same time, the photographing device 10 is connected from the network to the display and recording device 11 through the power line 3. As the substrate 21 on the LED lamp-set is provided with the plural LED lamps 50 which are automatically activated by the light sensor 6, with the intensity of ambient light rays being detected through the light sensor 6; the lighting and photographing equipment 2, which is provided with the photographing and surveiflance function and can be installed at the ordinary power outlet 4, is not only provided with the disguise effect, but also can achieve the function for ambient environment surveillance.
Referring to FIG. 6, it shows a schematic view of a network connection of another preferred embodiment of the present invention.
Taking a night lamp as an example of the lighting and photographing equipment 2a, an interior of a lamp shell 20a is defined into a holding space 201a for placing the photographing device lOa, and a default position of the lamp shell 20a is provided with a lens 7a. When the user is to activate the night lamp, he or she can just put a power connector 202a on the night lamp into an ordinary power outlet 4a, and then the night lamp can be energized and an internal photographing device lOa can be activated. At a same time, the photographing device lOa is connected from a network to the display and recording device 11 (as shown in FIG. 5) through a power line 3a. As a substrate 21a on the night lamp is provided with a plurality of infrared lamps 51 which are activated automatically through a light sensor 6a, with the intensity of ambient light rays being detected through the light sensor 6a; the lighting and photographing equipment 2a, which is provided with the photographing and surveillance function and can be installed at the ordinary power outlet 4a, is not only provided with the disguise effect, but also can achieve the function for ambient environment surveillance.
Referring to all the drawings, the present invention is actually provided with following advantages in comparison with the prior art: 1. By being provided with the photographing and surveillance function and able to be installed at the ordinary power outlet 4, the lighting and photographing equipment 2 is not only provided with the disguise effect, but also allows the surveillance and recording system to be easily installed without setting up the image transmission wire.
2. As the first power line adapter module 103 and the second power line adapter module 114 are directly built in the
-II -
photographing device 10 as well as the display and recording device 11, the user can only provide power to the photographing device 10 as well as the display and recording device 11 that the network connection is accomplished by the power line 3; whereas, the images of the photographing device 10 can be transmitted to the display and recording device 11 through the network connection. Therefore, the surveillance and recording system can be installed easily without setting up the image transmission wire.
3. Using the network connection to transmit the multimedia information to the display and recording device 11 will not result in attenuation of wireless signals in a various degree by shielding objects, when data is transmitted through a wireless network.
To enable a further understanding of the said objectives and the technological methods of the invention herein, the brief description of the drawings below is followed by the detailed description of the preferred embodiments.
Claims (10)
- What is claimed is: 1. A surveillance and recording device through an original power outlet, comprising a photographing device as well as a display and recording device, wherein the photographing device is built in with an image module, an image compression module and a first power line adapter module, whereas, the display and recording device is built in with a display and recording module, an image decompression module and a second power line adapter module; the photographing device being installed in lighting and photographing equipment that is provided with a holding space, and a power connector of the lighting and photographing equipment fitting with an ordinary power outlet.
- 2. The surveillance and recording device through an original power outlet, according to claim 1, wherein the lighting and photographing equipment is a lamp-set comprising a lamp shell, which is defined into a holding space to place the photographing device, and an end of which is provided with the power connector that fits with the ordinary power outlet; and a substrate, which is provided with a ring of a plurality of light source elements, and a default location of which is defined into an opening where a lens -13-is located to connect with the photographing device.
- 3. The surveillance and recording device through an original power outlet, according to claim 2, wherein the light source element is provided with a ring of a plurality of LED (Light Emitting Diode) lamps which are activated automatically through a light sensor, with brightness of ambient environment being detected by that light sensor.
- 4. The surveillance and recording device through an original power outlet, according to claim 2, wherein the light source element is provided with a ring of a plurality of LED lamps.
- 5. The surveillance and recording device through an original power outlet, according to claim 3, wherein the LED lamps are a visible light lamp or an infrared lamp.
- 6. The surveillance and recording device through an original power outlet, according to claim 1, wherein the lighting and photographing equipment is a night lamp used for night-time illumination.
- 7. The surveillance and recording device through an original power outlet, according to claim 6, wherein the night lamp is defined into a holding space to place the photographing device. -14-
- 8. The surveillance and recording device through an original power outlet, according to claim 6, wherein a default location of the night lamp is defined into a lens that is connected with the photographing device.
- 9. The surveillance and recording device through an original power outlet, according to claim 6, wherein a default location of the night lamp is provided with a power connector that fits with an ordinary power outlet.
- 10. Surveillance and recording device through an original power outlet substantially as herein described above and illustrated in the accompanying drawings.Amendments to the claims have been filed as follows What is claimed is: 1. A surveillance and recording system that comprises an image-capturing device and an image display and recording device that communicate with each other through an electrical power supply system with electrical plug socket power outlets, the image-capturing device comprising: an image capturing module that provides a captured image signal; an image compression module; and a first power line adapter module, the display and recording device comprising: a display and recording module; an image decompression module; and a second power line adapter module, the image-capturing device being installed in lighting equipment having a holding space for it, and the lighting equipment having a power connector that fits, in use, to an electrical plug socket power outlet of the electrical power supply system, whereby the image-capturing device may be * ** * I * * powered by the electrical power supply system and the captured * a image signal captured by the image-capturing device may be transmitted through the electrical power supply system to the display and recording device as an Ethernet signal.2. A surveillance and recording system as claimed in claim 1, wherein the lighting equipment is a lamp-set comprising a lamp shell incorporating a visible light source element.3. A surveillance and recording system as claimed in claim 1 or 2, wherein the holding space of the lighting equipment that accommodates the imaging device has the power connector extending from one end thereof and has a substrate, which is provided with a ring of a plurality of visible light source elements, and an opening is provided in the substrate where a lens is located to co-operate with the imaging device.4. A surveillance and recording system as claimed in claim 2 or 3, S...wherein a plurality of visible light source elements are provided * 5 as a ring of a plurality of LED lamps : 5. A surveillance and recording system as claimed in claim 2, 3 or 4, . S. wherein the, or each, visible light source element is activated automatically through a light sensor that detects the brightness of the ambient environment.6. A surveillance and recording system as claimed in any preceding claim, wherein the power connector comprises a cable with a plug to fit into an electrical plug power outlet socket of the power supply system.7. A surveillance and recording system as claimed in any preceding claim further having an infrared light source element.8. A surveillance and recording system as claimed in any preceding claim, wherein the image-capturing device is a network camera and the recorder is a network recorder.9. A Surveillance and recording system substantially as herein described above and illustrated in the accompanying drawings. *S*S * * S S. S * -S. * * S.-. 0**S * I S S. S * SI 5$ S S...*SIISSJ
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1109601A GB2479666A (en) | 2008-06-23 | 2008-06-23 | Surveillance and recording device through a mains power outlet |
| GB0811469A GB2461263A (en) | 2008-06-23 | 2008-06-23 | Surveillance and recording device operating through a mains power outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0811469A GB2461263A (en) | 2008-06-23 | 2008-06-23 | Surveillance and recording device operating through a mains power outlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0811469D0 GB0811469D0 (en) | 2008-07-30 |
| GB2461263A true GB2461263A (en) | 2009-12-30 |
Family
ID=39682992
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0811469A Withdrawn GB2461263A (en) | 2008-06-23 | 2008-06-23 | Surveillance and recording device operating through a mains power outlet |
| GB1109601A Withdrawn GB2479666A (en) | 2008-06-23 | 2008-06-23 | Surveillance and recording device through a mains power outlet |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1109601A Withdrawn GB2479666A (en) | 2008-06-23 | 2008-06-23 | Surveillance and recording device through a mains power outlet |
Country Status (1)
| Country | Link |
|---|---|
| GB (2) | GB2461263A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737460A (en) * | 2012-07-11 | 2012-10-17 | 苏州正华电子电器成套设备厂 | Electric transmission line channel protection alarm device |
| CN104112337A (en) * | 2014-08-01 | 2014-10-22 | 国家电网公司 | Transmission line channel protective alarming system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9408282B1 (en) | 2014-07-21 | 2016-08-02 | Astro, Inc. | Multi-purpose lightbulb |
| US9784417B1 (en) | 2014-07-21 | 2017-10-10 | Astro, Inc. | Multi-purpose lightbulb |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030197807A1 (en) * | 2002-04-18 | 2003-10-23 | Wu Vic Chi-Shi | Light bulb adapter for a camera and method for same |
| JP2004228967A (en) * | 2003-01-23 | 2004-08-12 | Matsushita Electric Ind Co Ltd | Monitor camera |
| US6812970B1 (en) * | 2000-05-15 | 2004-11-02 | Mcbride Richard L. | Video camera utilizing power line modulation |
| US20050018766A1 (en) * | 2003-07-21 | 2005-01-27 | Sony Corporation And Sony Electronics, Inc. | Power-line communication based surveillance system |
| JP2006174201A (en) * | 2004-12-17 | 2006-06-29 | Mitsubishi Electric Corp | Outdoor camera system |
| JP2006310993A (en) * | 2005-04-26 | 2006-11-09 | Nihon Brain Ware Co Ltd | Plc camera and plc camera system employing power line conveyer communication |
-
2008
- 2008-06-23 GB GB0811469A patent/GB2461263A/en not_active Withdrawn
- 2008-06-23 GB GB1109601A patent/GB2479666A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6812970B1 (en) * | 2000-05-15 | 2004-11-02 | Mcbride Richard L. | Video camera utilizing power line modulation |
| US20030197807A1 (en) * | 2002-04-18 | 2003-10-23 | Wu Vic Chi-Shi | Light bulb adapter for a camera and method for same |
| JP2004228967A (en) * | 2003-01-23 | 2004-08-12 | Matsushita Electric Ind Co Ltd | Monitor camera |
| US20050018766A1 (en) * | 2003-07-21 | 2005-01-27 | Sony Corporation And Sony Electronics, Inc. | Power-line communication based surveillance system |
| JP2006174201A (en) * | 2004-12-17 | 2006-06-29 | Mitsubishi Electric Corp | Outdoor camera system |
| JP2006310993A (en) * | 2005-04-26 | 2006-11-09 | Nihon Brain Ware Co Ltd | Plc camera and plc camera system employing power line conveyer communication |
Non-Patent Citations (1)
| Title |
|---|
| Light bulb hidden camera with night vision * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737460A (en) * | 2012-07-11 | 2012-10-17 | 苏州正华电子电器成套设备厂 | Electric transmission line channel protection alarm device |
| CN104112337A (en) * | 2014-08-01 | 2014-10-22 | 国家电网公司 | Transmission line channel protective alarming system |
| CN104112337B (en) * | 2014-08-01 | 2017-02-15 | 国家电网公司 | Transmission line channel protective alarming system |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2479666A (en) | 2011-10-19 |
| GB0811469D0 (en) | 2008-07-30 |
| GB201109601D0 (en) | 2011-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) | ||
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |