US5299032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image pick up apparatus
Assignee: Sony Corp
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Filing: 1992-01-28
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Granted: 1994-03-29
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Expires: 2012-01-28
Abstract
Abstract An image pick up apparatus according to this invention comprises an imaging device for outputting video signals by driving a solid-state imaging element on the basis of a plurality of driving pulses, a noise synthesizer for synthesizing noise components contained in the plurality of driving pulses, and a subtracter for subtracting output signals of the noise synthesizer from the video signals. Signals synthesized with the noise components contained in the driving pulses for driving the solid-state imaging element are subtracted from the video signals transmitted from the imaging device, thereby removing the noise components of the video signals.
Inventors
- 👤 Susumu Kurita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:31
CPC Classifications
G; G11; G11C; G11C27/00; G11C27/04; H; H04; H04N; H04N25/00; H04N25/60; G11C19/00; G11C19/28; G11C19/282; G11C19/285; H04N25/616; H04N25/617; H04N25/70; H04N25/71; H04N25/713; H04N25/745
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
94 words
An image pick up apparatus having a charge coupled device for generating a video signal comprising: means for supplying drive pulses to said charge coupled device to drive the same; differentiation means for differentiating said drive pulses to produce differentiated drive pulse signal components; producing means for producing a compensating signal corresponding to a noise component of said video signal associated with said drive pulses based on said differentiated drive pulse signal components; and subtracting means for subtracting said compensating signal from said video signal to suppress said noise component in said video signal.
Claim 2
Dependent Claim
94 words
An image pick up apparatus having a charge coupled device for generating a video signal comprising: means for supplying drive pulses to said charge coupled device to drive the same; differentiation means for differentiating said drive pulses to produce differentiated drive pulse signal components; producing means for producing a compensating signal corresponding to a noise component of said video signal associated with said drive pulses based on said differentiated drive pulse signal components; and subtracting means for subtracting said compensating signal from said video signal to suppress said noise component in said video signal.
Claim 3
Dependent Claim
22 words
The image pick up apparatus according to claim 1, in which said drive pulses include horizontal transfer pulses and a reset pulse.
Claim 4
Dependent Claim
85 words
An image pick up apparatus according to claim 1 further comprising: a first correlated doubled sampling circuit coupled with said charge coupled device for sampling said video signal; and a second correlated double sampling circuit coupled with said producing means for sampling said compensating signal; said subtracting means being operative to subtract the compensating signal sampled by the second correlated double sampling circuit from the video signal sampled by the first correlated double sampling circuit to suppress the noise component in the sampled video signal.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-03-28 | 1997-09-27 | 1998-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-03-28 | 2001-09-27 | 2002-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-03-28 | 2005-09-27 | 2006-03-29 | $7700.00 | Window Closed / Lapsed |