US5049910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual mode camera
Assignee: Individual
•
Filing: 1990-07-05
•
Granted: 1991-09-17
•
Expires: 2010-07-05
Abstract
Abstract Photographic cameras having a plurality of film holders, each carrying a respective type of film, exposable through a common lens and shutter system and having control means for selectively exposing the film carried by the respective film holders either simultaneously or individually, as desired.
Inventors
- 👤 Charles J. Hsiung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:46
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04; G03B19/06
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
90 words
A photographic camera comprising: at least one body portion, at least one lens system mounted on said body portion, at least two film mounting members mounted on said, body portion in a position to receive light passed by said lens system, each of said film mounting means being formed to mount a respective type of film, at least one shutter mechanism interposed between said lens system and said film mounting members, and a control simultaneous or sequential unit operable to selectably control passage of light to said film mounting members.
Claim 2
Dependent Claim
90 words
A photographic camera comprising: at least one body portion, at least one lens system mounted on said body portion, at least two film mounting members mounted on said, body portion in a position to receive light passed by said lens system, each of said film mounting means being formed to mount a respective type of film, at least one shutter mechanism interposed between said lens system and said film mounting members, and a control simultaneous or sequential unit operable to selectably control passage of light to said film mounting members.
Claim 3
Dependent Claim
38 words
The camera of claim 1 wherein: one of said film mounting members is mounted on the rear of said body portion and a second of said film mounting members is mounted on one side of said body portion.
Claim 4
Dependent Claim
51 words
The camera of claim 2 further comprising: at least one mirror is mounted within said body portion in a position to pass light from said lens system to said one of said film mounting members and to reflect light from said lens system to said second of said film mounting members.
Claim 5
Dependent Claim
10 words
The camera of claim 3 wherein: said mirror is half-silvered.
Claim 6
Dependent Claim
50 words
The camera of claim 3 wherein: said mirror is pivotally mounted and is movable between a first position in which it permits light to pass to said one of said film mounting members and a second position in which is reflects light to said second of said film mounting members.
Claim 7
Dependent Claim
18 words
The camera of claim 1 wherein: said control unit serves to selectably actuate each of said shutter mechanisms.
Claim 8
Dependent Claim
18 words
The camera of claim 6 wherein: said control unit is operable to selectably actuate said shutter mechanisms simultaneously.
Claim 9
Dependent Claim
18 words
The camera of claim 6 wherein: said control unit is operable to selectably actuate said shutter mechanisms sequentially.
Claim 10
Dependent Claim
18 words
The camera of claim 6 wherein: said control unit is operable to selectably actuate said shutter mechanisms individually.
Claim 11
Dependent Claim
21 words
The camera of claim 1 wherein: at least one of said film mounting members is designed to hold a cartridge film.
Claim 12
Dependent Claim
20 words
The camera of claim 1 wherein: at least one of said film mounting members is designed to hold instant film.
Claim 13
Dependent Claim
20 words
The camera of claim 1 wherein: at least one of said film mounting members is designed to hold x-ray film.
Claim 14
Dependent Claim
22 words
The camera of claim 1 wherein: at least one of said film mounting members is designed to hold a video still disc.
References Cited (Backward Citations)
US2169422A
Cited
US3034412A
Cited
US3045573A
Cited
US4193675A
Cited
US4124856A
Cited
US4814811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-09-16 | 1995-03-18 | 1995-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-16 | 1999-03-18 | 1999-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-16 | 2003-03-18 | 2003-09-17 | $7700.00 | Window Closed / Lapsed |