WO1998032106A1 - Video security systems - Google Patents
Video security systems Download PDFInfo
- Publication number
- WO1998032106A1 WO1998032106A1 PCT/GB1998/000119 GB9800119W WO9832106A1 WO 1998032106 A1 WO1998032106 A1 WO 1998032106A1 GB 9800119 W GB9800119 W GB 9800119W WO 9832106 A1 WO9832106 A1 WO 9832106A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- video
- controller
- signal
- fax
- cause
- Prior art date
Links
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
- G08B13/19665—Details related to the storage of video surveillance data
- G08B13/19669—Event triggers storage or change of storage policy
-
- 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
- G08B13/19639—Details of the system layout
- G08B13/19641—Multiple cameras having overlapping views on a single scene
-
- 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
- G08B13/19654—Details concerning communication with a camera
- G08B13/19658—Telephone systems used to communicate with a camera, e.g. PSTN, GSM, POTS
-
- 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
- G08B13/19695—Arrangements wherein non-video detectors start video recording or forwarding but do not generate an alarm themselves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
- H04N1/00283—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
- H04N1/00283—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus
- H04N1/00299—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a television apparatus with a television transmission apparatus, e.g. a videophone, a teletext system or a digital television system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00323—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a measuring, monitoring or signaling apparatus, e.g. for transmitting measured information to a central location
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32037—Automation of particular transmitter jobs, e.g. multi-address calling, auto-dialing
- H04N1/32048—Auto-dialling or Auto-calling
-
- 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
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
- H04N2201/0065—Converting image data to a format usable by the connected apparatus or vice versa
- H04N2201/0067—Converting to still picture data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3204—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium
- H04N2201/3209—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium of a telephone number
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3285—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
- H04N2201/3287—Storage of at least one complete document page or image frame
Definitions
- This invention relates to video security systems.
- the first part at the premises being monitored, includes an alarm sensor, a video camera, a first video signal processor and a connection to a telephone line.
- the second part at a remote location, includes a second video signal processor, a monitor or video tape recorder and a connection to a telephone line.
- the sensor senses an alarm condition
- the first part connects to the second part; a slow- motion video signal is produced by the first signal processor from the video camera and is transmitted along the telephone line; and a video signal is produced by the second video processor from the slow-motion video signal and is displayed on the monitor or recorded by the video recorder.
- a somewhat similar system is known from patent document WO-A-96/15615.
- a security system comprising: an input for a video signal (for example from a video camera); means for storing a frame of the video signal; an alarm sensor (such as a burglar alarm sensor) operable to produce an alarm signal; a fax modem; means for storing a fax number; and a controller which is responsive to such an alarm signal to cause the fax modem to call the stored number and transmit such a stored video frame as a fax signal.
- a video signal for example from a video camera
- an alarm sensor such as a burglar alarm sensor
- the video frame is transmitted as a fax signal (preferably in a completely standard fax signal format)
- all that is required at the receiving end is a conventional (and therefore cheap and commonly available) facsimile receiving machine, a piece of equipment which is already available in many offices, and increasingly in domestic residences.
- the video input may advantageously be arranged to receive a plurality of different such video signals from respective sources, and the system may further comprise a video multiplexer for passing at least one selected one of the video signals to the video frame storing means.
- the controller is preferably arranged to control the multiplexer selection in dependence upon which of the alarm sensors is operated.
- the controller may be arranged to cause the stored frames from more than one of the video sources to be transmitted in a single fax transmission.
- the system preferably further comprises a text generator arranged to add a text message to the stored or transmitted video frame.
- the controller may be arranged to cause the text generator to generate such a text message identifying which of the alarm sensors, or which group of the alarm sensors, is causing the fax signal to be transmitted.
- the controller may be arranged to cause the text generator to generate such a text message identifying the source of the video signal which is to be transmitted.
- the controller may be arranged to cause the text generator to generate such a text message dependent on the status of the system.
- the system may further comprise a time-lapse video recorder for recording the video signal, or at least one of the video signals, and in this case the controller may be advantageously operable in response to such an alarm signal to cause the video recorder to increase its recording rate.
- the system may further comprise a further video multiplexer for sequencing the sources of the video signals passed to the video recorder, and in this case the controller may be advantageously operable to cause the sequencing to be modified in dependence which of the alarm sensors is operated.
- FIG. 1 is a block diagram of the security system
- Figure 2 shows an example of a fax page transmitted by the system.
- the security system includes a plurality of video cameras 10, three 10a, 10b, 10c of which are shown, and each of which provides a respective monochrome, one volt peak-to-peak, analogue video signal 12a, 12b, 12c.
- the system also includes a multiplexing apparatus 14 comprising an analogue video multiplexer 16, which receives the video signals 12 and passes a selected one of them as an output in dependence upon a selection signal from a controller 18.
- the output signal from the multiplexer 16 is digitised by an analogue-to-digital converter (ADC) 20 and is stored in a frame buffer 22.
- ADC analogue-to-digital converter
- Frames are continuously output from the frame buffer 22 via a digital-to-analogue converter 24 to a monitor 26 and a time-lapse video tape recorder 28.
- the controller 18 includes a microprocessor 18a and EPROM 18b, and the multiplexing apparatus 14 also has a user interface 30, for example in the form of a keypad and a small LCD display, by which the multiplexing apparatus can be set up.
- the video cameras 10 continuously supply video signals 12 to the multiplexer apparatus 14, and the multiplexer apparatus 14 outputs eight identical frames derived from video signal 12a, eight identical frames derived from video signal 12b, eight identical frames derived from video signal 12c, another eight identical frames derived from video signal 12a, and so on.
- the video recorder 28 records one in every eight frames, so that adjacent frames recorded on the tape are derived from different cameras 10, and so that a three hour video tape, for example, can span a period of twenty-four hours.
- a number of burglar alarm sensors 32 are provided, six 32p, 32q, 32r, 32s, 32t, 32u of which are shown.
- sensors 32p, 32q, 32r, 32s have detection positions or areas which are in the fields of view of the video cameras 10a, 10b, 10c, whereas others 32t, 32u are not necessarily in the field of view of any of the cameras 10a, 10b, 10c.
- Each sensor may be of any appropriate type, such as a passive infra-red detector or microwave Doppler sensor which detects movement of a person, a magnet and reed switch sensor which detectors opening of a door or window, a pressure mat, a light beam or light curtain sensor which detects breaking of the beam or curtain, a foil which detects breaking of a window, etc.
- Each of the sensors may have a tamper detection facility and a separate tamper channel, or all of the sensors may share a common tamper channel.
- the sensors 32 supply their alarm signals to respective zone inputs of an interface circuit 34 of a security apparatus 36. Some 32r to 32u of the sensors 32 may have their own zone inputs, whereas others 32p, 32q of the sensors 32 may share a zone input or inputs.
- the apparatus 36 includes a further analogue video multiplexer 38 which receives the video signals from the cameras 10 and passes a selected one of the signals to a frame buffer 40 via an ADC 42.
- the apparatus 36 furthermore includes a fax modem 44 (which may be connected to the public switched telephone network 54 or which may use a cellular telephone system), a controller 46 which includes a microprocessor 46a and an EPROM 46b, and a user interface 48 for example in the form of a keypad and a small LCD display, by which the security apparatus 36 can be set up, including entering the telephone number (s) of at least one fax receiver (such as a conventional fax machine 50, a fax modem in a computer, or a cellular fax receiver such as a personal digital assistant 52) which is stored in the EPROM 46b.
- a fax modem 44 which may be connected to the public switched telephone network 54 or which may use a cellular telephone system
- a controller 46 which includes a microprocessor 46a and an EPROM 46b
- a user interface 48 for example in the form of a keypad and a small LCD display
- the controller 46 operates so that the multiplexer 38 does not pass any of the video signals to the buffer 40 via the ADC 42. However, if one or more of the sensors 32p to 32u supplies an alarm signal to the interface circuit 34, the interface circuit 34 indicates to the controller 46 which of the sensors has or have been operated. In response and in a simple configuration, the controller 46 causes a frame of a selected one of the video signals 12 to be digitised by the ADC 42 and stored in the frame buffer 40, the selection being made in dependence upon which of the sensors 32p to 32u has been operated. The controller 46 then causes the fax modem 44 to dial the fax number, or one of the fax numbers, stored in the EPROM 46b and to negotiate transmission of a fax.
- the controller 46 then reads the data for the frame from the buffer 40 and converts it into a fax signal, modifying the resolution as necessary and compressing the image data in a manner known per se.
- the fax signal is transmitted to the fax receiver 50 or 52 which can then print the frame or display it on a screen.
- the controller 46 may be programmed to determine when the transmission of a frame as a fax signal has been completed, and then to store a further frame in the buffer 40 and transmit that frame. Transmission of further frames may continue until the controller 46 determines that a predetermined period of time has elapsed, or that the fax receiver 50 or 52 has hung up.
- the controller 46 may cause the multiplexer 34 to sequence the cameras 10a to 10c from which the frames are taken, in dependence upon which of the sensors 32p to 32u have been operated, so that pages of fax images are transmitted from various appropriate cameras.
- the controller 46 may cause the multiplexer 34 to sequence the cameras 10a to 10c from which the frames are taken, in dependence upon which of the sensors 32p to 32u have been operated, and may cause the buffer 40 to store more than one of the frames with a reduced size in an array, such as a 2 x 2 landscape array, or a 1 x 3 portrait array, as shown in Figure 2.
- the multiple frames may then be transmitted as a single fax page 54.
- sensors 32p, 32q might be associated with camera 10a, sensor 32r with camera 10b, and sensor 32s with camera 10c, because those sensors cover areas or positions in the field of view of the respective camera.
- sensors 32t, 32u are not in the field of view of any of the cameras, and say that the camera 10b covers the only area where a burglar could reasonably park their getaway vehicle near the property.
- the sensors 32t, 32u might then be associated with the camera 10b, so that operation of either of those sensors would cause a frame to be transmitted from the camera 10b, for example frame 56 in Figure 2.
- the controller 46 may include a text generator and be operable to add text messages to the transmitted fax.
- each transmitted page may include a message indicating the identity of the site, the time and date the alarm was raised, the battery level of a battery for powering the system, and the identity of the sensors which have been triggered.
- each frame may include a message indicating, for example, the time and date the frame was generated, the identity of the sensor(s) which caused the frame to be generated, and the identity of the camera which generated the frame.
- the controller 46 of the security apparatus may be used to cause the operation of the controller 18 of the multiplexing apparatus 14 and the operation of the VTR 28 to change. For example, when any of the sensors 32 is activated, the controller 46 can signal the VTR 28 to change to a real-time mode, rather than the time-lapse mode so that the maximum amount of evidence can be collected. Also, in this case, the controller 46 can signal the controller 18 to cause the sequencing by the multiplexer 16 to change in an appropriate manner.
- the controller 16 may control the multiplexer 16 so that the recorded frames are in the sequence: 25 frames derived from camera 10a, one frame from camera 10b, one frame from camera 10c, 25 frames from camera 10a, and so on. If one or more sensors 32 associated with camera 10c are then activated, the controller 16 may modify the control of the multiplexer 16 so that the recorded frames are in the sequence: 25 frames derived from camera 10a, one frame from camera 10b, 25 frames from camera 10c, 25 frames from camera 10a, and so on.
- the controller 16 may further modify the control of the multiplexer 16 so that the recorded frames are in the sequence: 25 frames derived from camera 10a, 25 frames from camera 10b, 25 frames from camera 10c, 25 frames from camera 10a, and so on.
- the multiplexing apparatus 14, monitor 26 and VTR 28 may be omitted.
- the system may include any number of cameras, including one camera in which case there is no need for multiplexing, and any number of burglar alarm sensors, including one.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU55695/98A AU5569598A (en) | 1997-01-20 | 1998-01-14 | Video security systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9701098.7 | 1997-01-20 | ||
GB9701098A GB2321358A (en) | 1997-01-20 | 1997-01-20 | Video security system coupled to a fax modem |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998032106A1 true WO1998032106A1 (en) | 1998-07-23 |
Family
ID=10806271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1998/000119 WO1998032106A1 (en) | 1997-01-20 | 1998-01-14 | Video security systems |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU5569598A (en) |
GB (1) | GB2321358A (en) |
WO (1) | WO1998032106A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9805556D0 (en) * | 1998-03-17 | 1998-05-13 | Crimewatch Scotland Limited | Alarm systems |
US7079701B2 (en) | 2001-09-07 | 2006-07-18 | Intergraph Software Technologies | Concealed object recognition |
US6748061B2 (en) * | 2001-10-29 | 2004-06-08 | The Chamberlain Group, Inc. | Access control system having a programmable automatic notification feature |
GB0203302D0 (en) * | 2002-02-12 | 2002-03-27 | Cruet Company The Ltd | Remote video system |
EP1685543B1 (en) | 2003-11-18 | 2009-01-21 | Intergraph Software Technologies Company | Digital video surveillance |
RU2446477C2 (en) * | 2010-09-08 | 2012-03-27 | Государственное Унитарное Предприятие "Водоканал Санкт-Петербурга" | Facility integrated security system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4511886A (en) * | 1983-06-01 | 1985-04-16 | Micron International, Ltd. | Electronic security and surveillance system |
EP0395011A2 (en) * | 1989-04-28 | 1990-10-31 | Siemens Aktiengesellschaft | Process for transmitting video-image information to a facsimile subscriber installation |
FR2700046A1 (en) * | 1992-12-30 | 1994-07-01 | Hymatom | Image transmission device for site protection |
JPH07143253A (en) * | 1993-11-19 | 1995-06-02 | Fujitsu General Ltd | Security informing system |
DE19524159A1 (en) * | 1995-07-03 | 1995-12-21 | Malek Joerg | Malek's computer system for security systems |
JPH0832744A (en) * | 1994-07-14 | 1996-02-02 | Kyocera Corp | Monitor camera device with facsimile function |
JPH09191455A (en) * | 1996-01-09 | 1997-07-22 | Canon Inc | Monitor system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR920010745B1 (en) * | 1989-11-21 | 1992-12-14 | 주식회사 금성사 | Tele-alarming system |
IT1275336B (en) * | 1994-11-14 | 1997-08-05 | Emmepi Telematica E Sicurezza | DEVICE FOR REMOTE CONTROL OF A REMOTE EQUIPMENT |
-
1997
- 1997-01-20 GB GB9701098A patent/GB2321358A/en not_active Withdrawn
-
1998
- 1998-01-14 AU AU55695/98A patent/AU5569598A/en not_active Abandoned
- 1998-01-14 WO PCT/GB1998/000119 patent/WO1998032106A1/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4511886A (en) * | 1983-06-01 | 1985-04-16 | Micron International, Ltd. | Electronic security and surveillance system |
EP0395011A2 (en) * | 1989-04-28 | 1990-10-31 | Siemens Aktiengesellschaft | Process for transmitting video-image information to a facsimile subscriber installation |
FR2700046A1 (en) * | 1992-12-30 | 1994-07-01 | Hymatom | Image transmission device for site protection |
JPH07143253A (en) * | 1993-11-19 | 1995-06-02 | Fujitsu General Ltd | Security informing system |
JPH0832744A (en) * | 1994-07-14 | 1996-02-02 | Kyocera Corp | Monitor camera device with facsimile function |
DE19524159A1 (en) * | 1995-07-03 | 1995-12-21 | Malek Joerg | Malek's computer system for security systems |
DE29610467U1 (en) * | 1995-07-03 | 1996-10-02 | Malek Joerg | Security system for universal use |
JPH09191455A (en) * | 1996-01-09 | 1997-07-22 | Canon Inc | Monitor system |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 095, no. 009 31 October 1995 (1995-10-31) * |
PATENT ABSTRACTS OF JAPAN vol. 096, no. 006 28 June 1996 (1996-06-28) * |
PATENT ABSTRACTS OF JAPAN vol. 097, no. 011 28 November 1997 (1997-11-28) * |
Also Published As
Publication number | Publication date |
---|---|
AU5569598A (en) | 1998-08-07 |
GB9701098D0 (en) | 1997-03-12 |
GB2321358A (en) | 1998-07-22 |
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