US5307158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Video camera
Assignee: Sony Corp
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Filing: 1993-03-05
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Granted: 1994-04-26
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Expires: 2013-03-05
Abstract
Abstract A plurality of CCD image pickup devices are provided. When the multiplex exposure is executed, the exposure timings of the plurality of image pickup devices are set to different timings. The output signals of the plurality of image pickup devices of different timings are synchronized and synthesized, thereby forming a multiplexed signal.
Inventors
- 👤 Masaaki Tsuruta
- 👤 Ryuji Shiono
- 👤 Minoru Morio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:59
CPC Classifications
H; H04; H04N; H04N23/00; H04N23/70; H04N23/60; H04N23/665; H04N25/00; H04N2209/00; H04N2209/04; H04N2209/041; H04N2209/042; H04N2209/045; H04N2209/046
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
113 words
A video camera comprising: a plurality of image pickup devices which can simultaneously receive an object image light; timing setting means for setting an individual exposure timing for each of said plurality of image pickup devices; a signal processing circuit to form a multiplexed exposure signal from output signals of said plurality of image pickup devices; multiplex exposure photographing mode setting means for setting said individual exposure timings of said plurality of image pickup devices to be different from each other and for synchronizing said output signals of said plurality of image pickup devices with each other; and a multiplexed exposure signal formed by synthesizing said output signals without interpolating said output signals.
Claim 2
Dependent Claim
113 words
A video camera comprising: a plurality of image pickup devices which can simultaneously receive an object image light; timing setting means for setting an individual exposure timing for each of said plurality of image pickup devices; a signal processing circuit to form a multiplexed exposure signal from output signals of said plurality of image pickup devices; multiplex exposure photographing mode setting means for setting said individual exposure timings of said plurality of image pickup devices to be different from each other and for synchronizing said output signals of said plurality of image pickup devices with each other; and a multiplexed exposure signal formed by synthesizing said output signals without interpolating said output signals.
Claim 3
Dependent Claim
22 words
A video camera according to claim 1, wherein each of said plurality of image pickup devices exposes one of three primary colors.
Claim 4
Dependent Claim
19 words
A video camera according to claim 1, wherein said plurality of image pickup devices are CCD image pickup devices.
Claim 5
Dependent Claim
47 words
A video camera according to claim 1, wherein said signal processing circuit includes a plurality of memories for storing said output signals of said plurality of image pickup devices which are exposed at the different individual exposure timings and for synchronizing said output signals with each other.
Claim 6
Dependent Claim
41 words
A video camera according to claim 4, wherein a write signal synchronized with said individual exposure timing of each of the image pickup devices and a read signal synchronized with a vertical sync signal are given to each of said memories.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-04-25 | 1997-10-25 | 1998-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-04-25 | 2001-10-25 | 2002-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-04-25 | 2005-10-25 | 2006-04-26 | $7700.00 | Window Closed / Lapsed |