Patent US2862282A successfully refreshed from Google Patents.
Patent US4843475A successfully refreshed from Google Patents.
US4843475A
Expired / Lapsed
US
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Image pickup device
Assignee: Canon Inc
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Filing: 1988-12-01
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Granted: 1989-06-27
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Expires: 2008-12-01
Abstract
Abstract An image pickup apparatus including an image pickup device for picking up the image of a subject, a zoom lens of changing a magnification for the image entering the image pickup device, and a scan range changing circuit for changing the scan range of the image pickup device. It enlarges and reduces the image signal by a combination of a variable magnification of the zoom lens and a variable scan range of the image pickup device.
Inventors
- 👤 Kunio Imai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:01
CPC Classifications
H; H04; H04N; H04N25/00; H04N25/40; H04N25/44; H04N25/443
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
107 words
An image pickup apparatus comprising: (a) image pickup means for pickup up the image of a subject, said image pickup means having a surface; (b) a zoom lens for changing a magnification of the image of the subject picked up by said image pickup means; and (c) range changing means for changing a readout range of said surface of said image pickup means substantially at the time the image is picked up by said image pickup means; and control means for controlling the operation of both said zoom leans and said range changing means to enlarge or reduce an image signal in accordance with a predetermined algorithm.
Claim 2
Dependent Claim
107 words
An image pickup apparatus comprising: (a) image pickup means for pickup up the image of a subject, said image pickup means having a surface; (b) a zoom lens for changing a magnification of the image of the subject picked up by said image pickup means; and (c) range changing means for changing a readout range of said surface of said image pickup means substantially at the time the image is picked up by said image pickup means; and control means for controlling the operation of both said zoom leans and said range changing means to enlarge or reduce an image signal in accordance with a predetermined algorithm.
Claim 3
Dependent Claim
18 words
An image pickup apparatus according to claim 1, wherein said image pickup means is a Charge Coupled Device
Claim 4
Dependent Claim
26 words
An image pickup apparatus according to claim 1, wherein: said control means includes means for operating said zoom lens and said scan range changing means individually.
Claim 5
Dependent Claim
17 words
An image pickup apparatus according to claim 1, wherein: said control means includes means for manual operation.
Claim 6
Dependent Claim
25 words
An image pickup apparatus according to claim 1, further including: detection means for detecting the operation of said zoom lens and said range changing means.
Claim 7
Dependent Claim
33 words
An image pickup apparatus according to claim 5, wherein: said control means includes means for controlling said zoom lens and said range changing means in accordance with an output from said detection means.
Claim 8
Dependent Claim
48 words
An image pickup apparatus according to claim 1, wherein: said zoom lens includes a first variable magnification range, and said range changing means includes a second variable magnification range, said ranges being respectively assigned to predetermined portions of an entire variable magnification range of the image pickup apparatus.
Claim 9
Dependent Claim
33 words
An image pickup apparatus according to claim 1, wherein: said control means includes means for operating either one of said zoom lens and said range changing means first and then operating the other.
Claim 10
Dependent Claim
39 words
An image pickup apparatus according to claim 8, wherein: said control means includes means for operating either one of said zoom lens and said range changing means after the other has reached an end of its variable magnification range.
Claim 11
Dependent Claim
34 words
An image pickup apparatus according to claim 7, wherein said control means includes means for operating either one of said zoom lens and said scan range changing means first, and then operating the other.
Claim 12
Dependent Claim
39 words
An image pickup apparatus according to claim 10, wherein: said control means includes means for operating either one of said zoom lens and said range changing means after the other has reached an end of its variable magnification range.
Claim 13
Dependent Claim
33 words
An image pickup apparatus according to claim 1, wherein: said image pickup means includes an image pickup device, and wherein said range changing means changes the scan range of said image pickup device.
Claim 14
Dependent Claim
43 words
An image pickup apparatus according to claim 1, wherein: said image pickup means includes a frame memory or a field memory for storing image signals, and wherein said range changing means changes a read range of said frame memory or said field memory.
Claim 15
Dependent Claim
37 words
An image pickup apparatus according to claim 1, further including: scan rate control means operative to maintain a period of scan across said image pickup means surface when the range is changed by said range changing means.
Claim 16
Dependent Claim
103 words
An image pickup apparatus comprising: (a) image pickup means for picking up an image of a subject; (b) optical zoom means for changing a magnification of the image of the subject picked up by said image pickup means; (c) electronic zoom means for enlarging or reducing an image signal output from said image pickup means; and (d) control means for controlling the operation of both said optical zoom means and said electronic zoom means, said control means automatically controlling both said optical zoom means and said electronic zoom means according to a zoom state of each of said optical and electronic zoom means.
Claim 17
Dependent Claim
103 words
An image pickup apparatus comprising: (a) image pickup means for picking up an image of a subject; (b) optical zoom means for changing a magnification of the image of the subject picked up by said image pickup means; (c) electronic zoom means for enlarging or reducing an image signal output from said image pickup means; and (d) control means for controlling the operation of both said optical zoom means and said electronic zoom means, said control means automatically controlling both said optical zoom means and said electronic zoom means according to a zoom state of each of said optical and electronic zoom means.
Claim 18
Dependent Claim
34 words
An image pickup apparatus according to claim 15, wherein: said control means includes means for controlling the operation of said optical zoom means and said electronic zoom means in accordance with a predetermined algorithm.
Claim 19
Dependent Claim
26 words
An image pickup apparatus according to claim 15, wherein: said control means includes means for operating said optical zoom means and said electronic zoom means individually.
Claim 20
Dependent Claim
17 words
An image pickup apparatus according to claim 15, wherein: said control means includes means for manual operation.
Claim 21
Dependent Claim
25 words
An image pickup apparatus of claim 15, further including: detection means for detecting the operation of said optical zoom means and said electronic zoom means.
Claim 22
Dependent Claim
31 words
An image pickup apparatus according to claim 19, wherein: said control means includes means for controlling each of said zoom means on the basis of an output from said detection means.
Claim 23
Dependent Claim
48 words
An image pickup apparatus according to claim 15, wherein: said optical zoom means has a first variable magnification range and said electronic zoom means has a second variable magnification range, which ranges are assigned to predetermined portions of an entire variable magnification range of said image pickup apparatus.
Claim 24
Dependent Claim
34 words
An image pickup apparatus according to claim 15, wherein: said control means includes means for operating either one of said optical zoom means and said electronic zoom means first and then operating the other.
Claim 25
Dependent Claim
40 words
An image pickup apparatus according to claim 22, wherein: said control means includes means for operating either one of said optical zoom means and said electronic zoom means after the other has reached an end of its variable magnification range.
Claim 26
Dependent Claim
34 words
An image pickup apparatus according to claim 21, wherein: said control means includes means for operating either one of said optical zoom means and said electronic zoom means first and then operating the other.
Claim 27
Dependent Claim
40 words
An image pickup apparatus according to claim 24, wherein: said control means includes means for operating either one of said optical zoom means and said electronic zoom means after the other has reached an end of its variable magnification range.
Claim 28
Dependent Claim
33 words
An image pickup apparatus according to claim 15, wherein: said image pickup means includes an image pickup device, and wherein said electronic zoom means changes a scan range of said image pickup device.
Claim 29
Dependent Claim
43 words
An image pickup apparatus according to claim 15, wherein: said image pickup means includes a frame memory or a field memory for storing image signals, and wherein said electronic zoom means changes a read range of said frame memory or said field memory.
Claim 30
Dependent Claim
36 words
An image pickup apparatus according to claim 15, further including: scan rate control means for maintaining a scan synchronization constant when a scan range of said image pickup means is changed by said electronic zoom means.
Claim 31
Dependent Claim
102 words
An electronic camera comprising: (a) image pickup means for picking up up an image of a subject, said image pickup means having a surface; (b) first means for changing a size of the image formed on said surface of said image pickup means; (c) second means for changing an image pick range of said surface by restricting an image signal output from said image pickup means; (d) detection means for detecting an operation state of each of said first and second means; and (e) control means for continuously controlling said first and second means according to an output of said detection means.
Claim 32
Dependent Claim
102 words
An electronic camera comprising: (a) image pickup means for picking up up an image of a subject, said image pickup means having a surface; (b) first means for changing a size of the image formed on said surface of said image pickup means; (c) second means for changing an image pick range of said surface by restricting an image signal output from said image pickup means; (d) detection means for detecting an operation state of each of said first and second means; and (e) control means for continuously controlling said first and second means according to an output of said detection means.
Claim 33
Dependent Claim
38 words
An electronic camera according to claim 29, wherein said first means is a means for optically changing a magnification, and wherein said second means is a means for electrically changing a readout range of said image pickup means.
Claim 34
Dependent Claim
16 words
An electronic camera according to claim 29, wherein said control means includes means for manual operation.
Claim 35
Dependent Claim
46 words
An electronic camera according to claim 31, wherein said first means has a first variable magnification range, and wherein said second means has a second variable magnification range, which ranges are assigned to predetermined portions of an entire variable magnification range of said image pickup apparatus.
Claim 36
Dependent Claim
30 words
An electronic camera according to claim 30, wherein said control means includes means for operating either one of said first means and said second means, and then operating the other.
Claim 37
Dependent Claim
37 words
An electronic camera according to claim 33, wherein said control means includes means for operating either one of said first means and said second means after the other has reached an end of its variable magnification range.
Claim 38
Dependent Claim
17 words
An electronic camera according to claim 30, wherein said image pickup means is a Charge Coupled Device.
Claim 39
Dependent Claim
41 words
An electronic camera according to claim 29, wherein said image pickup means includes a frame memory or a field memory for storing image signals, and wherein said second means changes a read range of said frame memory or said field memory.
Claim 40
Dependent Claim
44 words
An electronic camera according to claim 29, wherein said second means changes a scan range of said image pickup means, and further comprising scan rate control means for maintaining a scan synchronization constant when the scan range of said image pickup means is changed.
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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) | 1992-06-26 | 1992-12-26 | 1993-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-26 | 1996-12-26 | 1997-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-26 | 2000-12-26 | 2001-06-27 | $7700.00 | Window Closed / Lapsed |