Patent US7019780B1 successfully refreshed from Google Patents.
US7019780B1
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Stereoscopic zoom lens with shutter arranged between first and second lens groups
Assignee: Sony Corp
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Filing: 2000-08-18
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Granted: 2006-03-28
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Expires: 2020-08-18
Abstract
Abstract A lens unit and a camera capable of achieving stereoscopic television function and zoom function at the same time. More specifically, a lens unit ( 2 ) and a camera ( 1 ) each including at least a zoom lens ( 4 ), light quantity adjusting device ( 6 or 20 ), an electronic optical shutter provided on a stage of the zoom lens ( 4 ), and an optical shutter driving portion for controlling the electronic optical shutter ( 6 ) to open ( 6 A, 6 B) in a predetermined pattern.
Inventors
- 👤 Koichi Takeuchi
- 👤 Masami Himuro
- 👤 Ko Ishimoto
- 👤 Seisuke Ohba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:19
CPC Classifications
H; H04; H04N; H04N13/00; H04N13/20; H04N13/204; H04N13/207; H04N13/211
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
110 words
A stereoscopic lens unit comprising: a zoom lens; a first lens group located subsequent to said zoom lens; a second lens group located subsequent to said first lens group; light quantity adjusting means arranged between said first lens group and said second lens group; an electronic optical shutter arranged between said first lens group and said second lens group and including a first portion corresponding to a right image and a second portion corresponding to a left image; and an optical shutter driving portion for controlling said electronic optical shutter to open in a predetermined pattern, wherein said predetermined pattern changes corresponding to a zoom condition of said zoom lens.
Claim 2
Dependent Claim
110 words
A stereoscopic lens unit comprising: a zoom lens; a first lens group located subsequent to said zoom lens; a second lens group located subsequent to said first lens group; light quantity adjusting means arranged between said first lens group and said second lens group; an electronic optical shutter arranged between said first lens group and said second lens group and including a first portion corresponding to a right image and a second portion corresponding to a left image; and an optical shutter driving portion for controlling said electronic optical shutter to open in a predetermined pattern, wherein said predetermined pattern changes corresponding to a zoom condition of said zoom lens.
Claim 3
Dependent Claim
25 words
The lens unit according to claim 1 , wherein said light quantity adjusting means comprises a diaphragm for changing a size of an opening mechanically.
Claim 4
Dependent Claim
18 words
The lens unit according to claim 1 , wherein said light quantity adjusting means comprises an optical filter.
Claim 5
Dependent Claim
21 words
The lens unit according to claim 1 , wherein said electronic optical shutter is disposed near said light quantity adjusting means.
Claim 6
Dependent Claim
21 words
The lens unit according to claim 1 , wherein said electronic optical shutter is composed of first and second liquid shutters.
Claim 7
Dependent Claim
41 words
The lens unit according to claim 1 , wherein said predetermined pattern is switched to a pattern having an opening on the right and a pattern having an opening on the left alternately, corresponding to said first and second portions, respectively.
Claim 8
Dependent Claim
22 words
The lens unit according to claim 1 , wherein said electronic optical shutter is utilized simultaneously as said light quantity adjusting means.
Claim 9
Dependent Claim
21 words
The lens unit according to claim 7 , wherein said electronic optical shutter is composed of first and second liquid shutters.
Claim 10
Dependent Claim
109 words
A stereoscopic camera comprising: a zoom lens; a first lens group located subsequent to said zoom lens; a second lens group located subsequent to said first lens group; light quantity adjusting means arranged between said first lens group and said second lens group; an electronic optical shutter arranged between said first lens group and said second lens group and including a first portion corresponding to a right image and a second portion corresponding to a left image; and an optical shutter driving portion for controlling said electronic optical shutter to open in a predetermined pattern, wherein said predetermined pattern changes corresponding to a zoom condition of said zoom lens.
Claim 11
Dependent Claim
109 words
A stereoscopic camera comprising: a zoom lens; a first lens group located subsequent to said zoom lens; a second lens group located subsequent to said first lens group; light quantity adjusting means arranged between said first lens group and said second lens group; an electronic optical shutter arranged between said first lens group and said second lens group and including a first portion corresponding to a right image and a second portion corresponding to a left image; and an optical shutter driving portion for controlling said electronic optical shutter to open in a predetermined pattern, wherein said predetermined pattern changes corresponding to a zoom condition of said zoom lens.
Claim 12
Dependent Claim
25 words
The camera according to claim 9 , wherein said light quantity adjusting means comprises a diaphragm for changing a size of an opening thereof mechanically.
Claim 13
Dependent Claim
17 words
The camera according to claim 9 , wherein said light quantity adjusting means comprises an optical filter.
Claim 14
Dependent Claim
20 words
The camera according to claim 9 , wherein said electronic optical shutter is disposed near said light quantity adjusting means.
Claim 15
Dependent Claim
20 words
The camera according to claim 9 , wherein said electronic optical shutter is composed of first and second liquid shutters.
Claim 16
Dependent Claim
40 words
The camera according to claim 9 , wherein said predetermined pattern is switched to a pattern having an opening on the right and a pattern having an opening on the left alternately, corresponding to said first and second portions, respectively.
Claim 17
Dependent Claim
21 words
The camera according to claim 9 , wherein said electronic optical shutter is utilized simultaneously as said light quantity adjusting means.
Claim 18
Dependent Claim
20 words
The camera according to claim 15 , wherein said electronic optical shutter is composed of first and second liquid shutters.
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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) | 2009-03-27 | 2009-09-26 | 2010-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2013-03-27 | 2013-09-26 | 2014-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2017-03-27 | 2017-09-26 | 2018-03-28 | $7700.00 | Window Closed / Lapsed |