US7019780B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereoscopic zoom lens with shutter arranged between first and second lens groups
Assignee: Sony Corp
•
Filing: 2000-08-18
•
Granted: 2006-03-28
•
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 12:54
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.
References Cited (Backward Citations)
US3890628A
Cited
US4190330A
Cited
US4686572A
Cited
US5071229A
Cited
US5812189A
Cited
US5619266A
Cited
US20010012053A1
Cited
US6710801B1
Cited
US6807295B1
Cited
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 |