US4123767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera and film identification system
Assignee: Individual
•
Filing: 1975-11-17
•
Granted: 1978-10-31
•
Expires: 1995-11-17
Abstract
Abstract A system is disclosed for identifying films exposed in individual cameras. Each camera is provided with an internal enclosed chamber one wall of which is positioned adjacent to the film in the exposure zone and is formed at least in part of transparent material and carries individual identifying indicia for that camera. An electric lamp is positioned within the enclosed chamber and means are provided for energizing the lamp each time an exposure is made.
Inventors
- 👤 Neil S. Halpern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:55
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/24; G03B2217/00; G03B2217/24; G03B2217/242; G03B2217/243
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
164 words
A camera for photographically exposing film, the camera comprising means providing for stepwise feed of a film strip through an exposure zone from a supply to a take up reel to provide for sequential exposure of succeeding sections of the film strip and further comprising an exposure trigger, an enclosed chamber positioned in the camera between said reels in front of the exposure zone and having walls in predeterminedly fixed position with respect to each other and with one wall positioned to contact each film section along an edge thereof in the exposure zone, said one wall having permanently established portions of contrasting light transmission capability in the pattern of predeterminedly fixed distinctive camera ownership identifying indicia, the other walls of said enclosure being opaque, an electric lamp in said chamber having a current supply circuit, and a switch in said circuit operated by said exposure trigger thereby providing for exposure of each succeeding film section with the same distinctive camera ownership identifying indicia.
Claim 2
Dependent Claim
164 words
A camera for photographically exposing film, the camera comprising means providing for stepwise feed of a film strip through an exposure zone from a supply to a take up reel to provide for sequential exposure of succeeding sections of the film strip and further comprising an exposure trigger, an enclosed chamber positioned in the camera between said reels in front of the exposure zone and having walls in predeterminedly fixed position with respect to each other and with one wall positioned to contact each film section along an edge thereof in the exposure zone, said one wall having permanently established portions of contrasting light transmission capability in the pattern of predeterminedly fixed distinctive camera ownership identifying indicia, the other walls of said enclosure being opaque, an electric lamp in said chamber having a current supply circuit, and a switch in said circuit operated by said exposure trigger thereby providing for exposure of each succeeding film section with the same distinctive camera ownership identifying indicia.
Claim 3
Dependent Claim
135 words
A camera for photographically exposing film, the camera comprising means providing for sequential feed of film sections through an exposure zone to provide for sequential exposure of succeeding film sections and further comprising an exposure trigger, an enclosed chamber having walls in predeterminedly fixed position with respect to each other and with one wall positioned to contact each film section along an edge of the exposure zone, said one wall having permanently established portions of contrasting light transmission capability in the pattern of predeterminedly fixed camera ownership identifying indicia, the other walls of said enclosure being opaque, an electric lamp in said chamber having a current supply circuit, and a switch in said circuit operated by said exposure trigger thereby providing for exposure of each succeeding film section with the same camera ownership identifying indicia.
Claim 4
Dependent Claim
135 words
A camera for photographically exposing film, the camera comprising means providing for sequential feed of film sections through an exposure zone to provide for sequential exposure of succeeding film sections and further comprising an exposure trigger, an enclosed chamber having walls in predeterminedly fixed position with respect to each other and with one wall positioned to contact each film section along an edge of the exposure zone, said one wall having permanently established portions of contrasting light transmission capability in the pattern of predeterminedly fixed camera ownership identifying indicia, the other walls of said enclosure being opaque, an electric lamp in said chamber having a current supply circuit, and a switch in said circuit operated by said exposure trigger thereby providing for exposure of each succeeding film section with the same camera ownership identifying indicia.
Claim 5
Dependent Claim
30 words
A camera as defined in claim 2 in which said one wall of the enclosure is opaque except for the indicia which comprise light transmission areas in said opaque wall.
Claim 6
Dependent Claim
207 words
A camera for photographically exposing film, the camera comprising means providing for stepwise advance of a film strip from a supply source through a picture exposure zone to provide for sequential exposure of succeeeding sections of the film strip and further comprising an exposure trigger, an enclosed chamber having walls in predeterminedly fixed position with respect to each other and with one wall positioned to contact each film section in a position offset from the picture exposure zone along an edge thereof parallelling the direction of feed of the film strip, so that the picture exposure zones of the film strip are free of sliding contact with said one wall of the enclosure when the film strip is advanced, said one wall of the enclosure having permanently established portions of contrasting light transmission capability in the pattern of multiple character predeterminedly fixed camera ownership identifying indicia, the other walls of said enclosure being opaque, a single electric light source in said chamber providing for concurrent illumination of all of the characters of said indicia and having a current supply circuit, and a switch in said circuit operated by said trigger thereby providing for exposure of each succeeding film section with the same multiple camera ownership identifying indicia.
Claim 7
Dependent Claim
207 words
A camera for photographically exposing film, the camera comprising means providing for stepwise advance of a film strip from a supply source through a picture exposure zone to provide for sequential exposure of succeeeding sections of the film strip and further comprising an exposure trigger, an enclosed chamber having walls in predeterminedly fixed position with respect to each other and with one wall positioned to contact each film section in a position offset from the picture exposure zone along an edge thereof parallelling the direction of feed of the film strip, so that the picture exposure zones of the film strip are free of sliding contact with said one wall of the enclosure when the film strip is advanced, said one wall of the enclosure having permanently established portions of contrasting light transmission capability in the pattern of multiple character predeterminedly fixed camera ownership identifying indicia, the other walls of said enclosure being opaque, a single electric light source in said chamber providing for concurrent illumination of all of the characters of said indicia and having a current supply circuit, and a switch in said circuit operated by said trigger thereby providing for exposure of each succeeding film section with the same multiple camera ownership identifying indicia.
References Cited (Backward Citations)
US2226364A
Cited
US2516718A
Cited
US2602369A
Cited
US3463064A
Cited
US3739697A
Cited
US3783763A
Cited
US3906523A
Cited
US3831183A
Cited
US3971049A
Cited
US3843956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-10-30 | 1982-05-01 | 1982-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-30 | 1986-05-01 | 1986-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-30 | 1990-05-01 | 1990-10-31 | $7700.00 | Window Closed / Lapsed |