Patent US3752047A successfully refreshed from Google Patents.
US3752047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surveillance camera
Assignee: Individual
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Filing: 1971-12-13
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Granted: 1973-08-14
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Expires: 1991-12-13
Abstract
Abstract A surveillance camera particularly for use in a moving vehicle such as a taxicab, having a single frame motion picture camera for photographing images onto a film strip in a film cartridge. The camera includes an illumination means, such as a flash, for illuminating the subject when the picture is being taken. The camera automatically advances the film to the next image when the picture is taken and can be remotely actuated by the driver of the vehicle. The camera is housed in a tamper-proof container which is bolted to the vehicle and has indicating lights to signal the readiness of the camera and the remaining film left in its cartridge.
Inventors
- 👤 L Gordon
- 👤 L Paskow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:40
CPC Classifications
G; G03; G03B; G03B15/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
160 words
A surveillance camera for photographing local activity onto a film in a film cartridge in response to a remote switch, comprising: a housing; a single frame motion picture camera mounted in said housing; electronic flash means responsive to said camera and mounted within said housing for providing illumination while a picture is being taken; visual indication means, including a switch for engaging a film cartridge inserted in the camera and at least one indication lamp, externally visible on said housing, and connected to said switch, for providing a visual indication that the film cartridge is disposed in the housing; and film counting means, including a switch coupled to the camera, for illuminating said indication lamp after a predetermined number of pictures have been taken thereby indicating the amount of film remaining in the film cartridge, and reset means coupled to said visual indication means switch for resetting said film counting means when said film cartridge is removed from said housing.
Claim 2
Dependent Claim
160 words
A surveillance camera for photographing local activity onto a film in a film cartridge in response to a remote switch, comprising: a housing; a single frame motion picture camera mounted in said housing; electronic flash means responsive to said camera and mounted within said housing for providing illumination while a picture is being taken; visual indication means, including a switch for engaging a film cartridge inserted in the camera and at least one indication lamp, externally visible on said housing, and connected to said switch, for providing a visual indication that the film cartridge is disposed in the housing; and film counting means, including a switch coupled to the camera, for illuminating said indication lamp after a predetermined number of pictures have been taken thereby indicating the amount of film remaining in the film cartridge, and reset means coupled to said visual indication means switch for resetting said film counting means when said film cartridge is removed from said housing.
Claim 3
Dependent Claim
90 words
The surveillance camera as described in claim 1, wherein said electronic flash means comprises a high voltage converter, responsive to a remote switch, high voltage switch means coupled to the output of a generator, a motor responsive to said switch, a flash switch coupled to the output of said motor, and a flash unit coupled to said flash switch so that actuation of said remote switch will turn on said generator, operate said high voltage switch means, turn on said motor, close said flash switch and ignite said flash unit.
Claim 4
Dependent Claim
21 words
The surveillance camera as described in claim 2, wherein said film counting means is coupled to the output of said motor.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |