FR2302648A1 - Video camera mounting for surveillance duties - operates in vertical plane in conjunction with mirror for scanning when mounted in limited space - Google Patents
Video camera mounting for surveillance duties - operates in vertical plane in conjunction with mirror for scanning when mounted in limited spaceInfo
- Publication number
- FR2302648A1 FR2302648A1 FR7506806A FR7506806A FR2302648A1 FR 2302648 A1 FR2302648 A1 FR 2302648A1 FR 7506806 A FR7506806 A FR 7506806A FR 7506806 A FR7506806 A FR 7506806A FR 2302648 A1 FR2302648 A1 FR 2302648A1
- Authority
- FR
- France
- Prior art keywords
- mirror
- conjunction
- video camera
- scanning
- operates
- 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- Withdrawn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
Classifications
-
- 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
- H04N7/186—Video door telephones
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
Visual surveillance is performed by a remote video unit in conjunction with telephonic sound system and is used in such places as apartment entrances or in banks and may be used with automatic door opening facilities. It is mounted in spaces of limited dimensions. A video camera (5) is mounted on an adjustable plate (4) mounted on a carrier plate (1) which is hinged (17) to a case (6). The camera is mounted vertically with a mirror (3) on adjustable o ountings (7) above it and is adjustable relative to the focal distance and field of the mirror. The mirror mountings permit its inclination. The front panel (2) has a protective glass (11) for the mirror and the control buttons (12) are encased. A microphone (9) and loudspeaker (10) permit phonic transmission.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7506806A FR2302648A1 (en) | 1975-02-27 | 1975-02-27 | Video camera mounting for surveillance duties - operates in vertical plane in conjunction with mirror for scanning when mounted in limited space |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7506806A FR2302648A1 (en) | 1975-02-27 | 1975-02-27 | Video camera mounting for surveillance duties - operates in vertical plane in conjunction with mirror for scanning when mounted in limited space |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2302648A1 true FR2302648A1 (en) | 1976-09-24 |
Family
ID=9152105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7506806A Withdrawn FR2302648A1 (en) | 1975-02-27 | 1975-02-27 | Video camera mounting for surveillance duties - operates in vertical plane in conjunction with mirror for scanning when mounted in limited space |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2302648A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4277804A (en) * | 1978-11-01 | 1981-07-07 | Elburn Robison | System for viewing the area rearwardly of a vehicle |
EP0505913A1 (en) * | 1991-03-19 | 1992-09-30 | BITRON VIDEO S.r.l. | System of audio and/or video intercom equipments for buildings |
-
1975
- 1975-02-27 FR FR7506806A patent/FR2302648A1/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4277804A (en) * | 1978-11-01 | 1981-07-07 | Elburn Robison | System for viewing the area rearwardly of a vehicle |
EP0505913A1 (en) * | 1991-03-19 | 1992-09-30 | BITRON VIDEO S.r.l. | System of audio and/or video intercom equipments for buildings |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |