Patent US4982218A successfully refreshed from Google Patents.
US4982218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera
Assignee: Canon Inc
•
Filing: 1988-12-14
•
Granted: 1991-01-01
•
Expires: 2008-12-14
Abstract
Abstract A camera comprises a photo taking optical system; driving means for driving the photo taking optical system; a shutter; switching means for causing transmission of the driving force of the driving means to the photo taking optical system to be changed over to the shutter; and control means for controlling the shutter by converting the opening time of the shutter into the driving degree of the driving means.
Inventors
- 👤 Takayuki Tsuboi
- 👤 Isao Nakazawa
- 👤 Hiroshi Maeno
- 👤 Yasuhiko Shiomi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:26
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/02; G02B7/04; G02B7/10
Claims Analysis
Total Claims: 75
Claim 1
Independent Claim
69 words
A camera comprising: (a) photographic optical system; (b) driving means for driving said photographic optical system; (c) a shutter; (d) first transmission means for shifting said photographic optical system by a driving force of said driving means and, (e) second transmission means for operating said shutter by being shifted a predetermined amount in the same direction as said photographic optical system by the driving force of said driving means.
Claim 2
Dependent Claim
69 words
A camera comprising: (a) photographic optical system; (b) driving means for driving said photographic optical system; (c) a shutter; (d) first transmission means for shifting said photographic optical system by a driving force of said driving means and, (e) second transmission means for operating said shutter by being shifted a predetermined amount in the same direction as said photographic optical system by the driving force of said driving means.
Claim 3
Dependent Claim
19 words
A camera according to claim 1, wherein said second transmission means includes means for causing said shutter to open.
Claim 4
Dependent Claim
27 words
A camera according to claim 1, further comprising exposure control means for controlling exposure by converting exposure time into the predetermined amount of said second transmission means.
Claim 5
Dependent Claim
93 words
An optical path opening and closing device, comprising: driving means for generating a rotating driving force; conversion means for converting the rotating driving force into a driving force in the direction of the optical path; moving means which moves in the direction of the optical path by the driving force which is converted by the conversion means; means for opening the optical path being arranged to operate in accordance with the movement of said moving means; and an optical system being moved by the driving force which is converted by said converting means.
Claim 6
Dependent Claim
93 words
An optical path opening and closing device, comprising: driving means for generating a rotating driving force; conversion means for converting the rotating driving force into a driving force in the direction of the optical path; moving means which moves in the direction of the optical path by the driving force which is converted by the conversion means; means for opening the optical path being arranged to operate in accordance with the movement of said moving means; and an optical system being moved by the driving force which is converted by said converting means.
Claim 7
Dependent Claim
13 words
A device according to claim 4, wherein said driving means includes a motor.
Claim 8
Dependent Claim
18 words
A device according to claim 4, further comprising camera operation means for operating said optical path opening means.
Claim 9
Dependent Claim
33 words
A device according to claim 4, further comprising detection means for detecting the amount of opening by said optical path opening means on the basis of a driving amount of said driving means.
Claim 10
Dependent Claim
27 words
A device according to claim 4, further comprising second moving means for moving an optical system by the driving force which is converted by said converting means.
Claim 11
Dependent Claim
47 words
A device according to claim 4, further comprising second moving means which moves in the direction of the optical path by the driving force converted by said converting means, said second moving means moving an optical system in accordance with the movement of said second moving means.
Claim 12
Dependent Claim
28 words
A device according to claim 9, wherein said moving means includes means which moves in unison with said second moving means while said second moving means is moving.
Claim 13
Dependent Claim
30 words
A device according to claim 10, further comprising stop means for stopping the movement of said second moving means, said stop means performing no stopping action on said moving means.
Claim 14
Dependent Claim
55 words
A device according to claim 9, further comprising means for detecting the amount of operation of said optical opening means in accordance with the movement of said moving means and the amount of the movement of said optical system by said second moving means on the basis of the driving amount of said driving means.
Claim 15
Dependent Claim
50 words
A device according to claim 12, wherein said detection means has no discrimination in its detecting operation between the time when said optical path opening means is operated according to the movement of said moving means and the time when said optical system is operated by said second moving means.
Claim 16
Dependent Claim
88 words
A camera, comprising: driving means for generating a rotating driving force; conversion means for converting the rotating driving force into a driving force in the direction of the optical path; moving means which moves in the direction of the optical path by the driving force which is converted by the conversion means; means for opening the optical path being arranged to operate in accordance with the movement of said moving means; and an optical system being moved by the driving power which is converted by the converting means.
Claim 17
Dependent Claim
88 words
A camera, comprising: driving means for generating a rotating driving force; conversion means for converting the rotating driving force into a driving force in the direction of the optical path; moving means which moves in the direction of the optical path by the driving force which is converted by the conversion means; means for opening the optical path being arranged to operate in accordance with the movement of said moving means; and an optical system being moved by the driving power which is converted by the converting means.
Claim 18
Dependent Claim
13 words
A camera according to claim 14, wherein said driving means includes a motor.
Claim 19
Dependent Claim
18 words
A camera according to claim 14, further comprising camera operation means for operating said optical path opening means.
Claim 20
Dependent Claim
33 words
A camera according to claim 14, further comprising detection means for detecting the amount of opening by said optical path opening means on the basis of a driving amount of said driving means.
Claim 21
Dependent Claim
27 words
A camera according to claim 14, further comprising second moving means for moving an optical system by the driving force which is converted by the converting means.
Claim 22
Dependent Claim
47 words
A camera according to claim 14, further comprising second moving means which moves in the direction of said optical path by the driving force converted by said converting means, said second means moving an optical system in accordance with the movement of the said second moving means.
Claim 23
Dependent Claim
28 words
A camera according to claim 19, wherein said moving means includes means which moves in unison with said second moving means while said second moving means is moving.
Claim 24
Dependent Claim
30 words
A camera according to claim 20, further comprising stop means for stopping the movement of said second moving means, said stop means performing no stopping action on said moving means.
Claim 25
Dependent Claim
55 words
A camera according to claim 19, further comprising means for detecting the amount of operation of said optical opening means in accordance with the movement of said moving means and the amount of the movement of said optical system by said second moving means on the basis of the driving amount of said driving means.
Claim 26
Dependent Claim
50 words
A camera according to claim 22, wherein said detection means has no discrimination in its detecting operation between the time when said optical path opening means is operated according to the movement of said moving means and the time when said optical system is operated by said second moving means.
Claim 27
Dependent Claim
40 words
A device according to claim 4, wherein said optical path opening means includes second conversion means for converting the movement of said moving means into a driving force acting in a plane vertical to the direction of said optical path.
Claim 28
Dependent Claim
37 words
A device according to claim 24, wherein said optical path opening means includes means which operates in the plane vertical to the direction of the optical path with the driving force converted by said second conversion means.
Claim 29
Dependent Claim
33 words
A device according to claim 4, wherein said optical path opening means operates in a plane vertical to the direction of the optical path in response to the movement of said moving means.
Claim 30
Dependent Claim
40 words
A camera according to claim 14, wherein said optical path opening means includes second conversion means for converting the movement of said moving means into a driving force acting in a plane vertical to the direction of said optical path.
Claim 31
Dependent Claim
37 words
A camera according to claim 27, wherein said optical path opening means includes means which operates in the plane vertical to the direction of the optical path with the driving force converted by said second conversion means.
Claim 32
Dependent Claim
33 words
A camera according to claim 14, wherein said optical path opening means operates in a plane vertical to the direction of the optical path in response to the movement of said moving means.
Claim 33
Dependent Claim
54 words
A camera, comprising: driving means for generating a driving force; moving means which moves in an optical path direction by the driving force of said driving means; optical means which operates in accordance with the movement of said moving means; and shutter means which operates in accordance with the movement of said moving means.
Claim 34
Dependent Claim
54 words
A camera, comprising: driving means for generating a driving force; moving means which moves in an optical path direction by the driving force of said driving means; optical means which operates in accordance with the movement of said moving means; and shutter means which operates in accordance with the movement of said moving means.
Claim 35
Dependent Claim
13 words
A camera according to claim 30, wherein said driving means comprises a motor.
Claim 36
Dependent Claim
27 words
A camera according to claim 30, wherein said optical means comprises means for moving along the optical path in accordance with the movement of said moving means.
Claim 37
Dependent Claim
29 words
A camera according to claim 30, wherein said optical means comprises means for varying a focal length of the optical means in accordance with movement of said moving means.
Claim 38
Dependent Claim
22 words
A camera according to claim 30, wherein said optical means comprises means for focusing in accordance with movement of said moving means.
Claim 39
Dependent Claim
25 words
A camera according to claim 30, wherein said shutter means comprises means for opening the optical path in accordance with movement of said moving means.
Claim 40
Dependent Claim
54 words
A camera according to claim 30, wherein said moving means comprises first and second moving means, and said optical means operates in accordance with a unitary movement of said first and second moving means, and said shutter means operates in accordance with movement of said second moving means independently of said first moving means.
Claim 41
Dependent Claim
26 words
A camera according to claim 36, further comprising stop means for stopping said first moving means, said stop means being independent of said second moving means.
Claim 42
Dependent Claim
30 words
A camera according to claim 30, further comprising detection means for detecting an operating amount of said shutter means on the basis of a driving amount of said driving means.
Claim 43
Dependent Claim
38 words
A camera according to claim 30, further comprising detection means for detecting an operating amount of said optical means and the operating amount of said shutter means on the basis of a driving amount of said driving means.
Claim 44
Dependent Claim
31 words
A camera according to claim 39, wherein said detection means comprises a common means for detecting the operating amount of said optical means and the operating amount of said shutter means.
Claim 45
Dependent Claim
19 words
A camera according to claim 30, wherein said driving means comprises threaded shaft means for moving said moving means.
Claim 46
Dependent Claim
22 words
A camera according to claim 41, wherein said moving means comprises screw engaging means for screw engagement with said threaded shaft means.
Claim 47
Dependent Claim
66 words
A drive device for an optical system, comprising: driving means for generating a driving force; moving means which moves in an optical path direction by the driving force of said driving means; first operating means for operating said optical means in accordance with the movement of said moving means; and second operating means for operating shutter means in accordance with the movement of said moving means.
Claim 48
Dependent Claim
66 words
A drive device for an optical system, comprising: driving means for generating a driving force; moving means which moves in an optical path direction by the driving force of said driving means; first operating means for operating said optical means in accordance with the movement of said moving means; and second operating means for operating shutter means in accordance with the movement of said moving means.
Claim 49
Dependent Claim
13 words
A device according to claim 43, wherein said driving means comprises a motor.
Claim 50
Dependent Claim
30 words
A device according to claim 43, wherein said first operating means comprises means for moving said optical means along the optical path in accordance with movement of said moving means.
Claim 51
Dependent Claim
30 words
A device according to claim 43, wherein said first operating means comprises means for varying the focal length of said optical means in accordance with movement of said moving means.
Claim 52
Dependent Claim
26 words
A device according to claim 43, wherein said first operating means comprises means for focusing said optical means in accordance with movement of said moving means.
Claim 53
Dependent Claim
27 words
A device according to claim 43, wherein said second operating means includes means for opening the optical path in accordance with the movement of said moving means.
Claim 54
Dependent Claim
56 words
A device according to claim 43, wherein said moving means includes first and second movement means, and said first operating means operates in accordance with a unitary movement of said first and second moving means, and said second operating means operates in accordance with movement of said second moving means independently of said first moving means.
Claim 55
Dependent Claim
26 words
A device according to claim 49, further comprising stop means for stopping said first moving means, said stop means being independent of said second moving means.
Claim 56
Dependent Claim
30 words
A camera according to claim 43, further comprising detection means for detecting an operating amount of said shutter means on the basis of a driving amount of said driving means.
Claim 57
Dependent Claim
38 words
A camera according to claim 43, further comprising detection means for detecting an operating amount of said optical means and the operating amount of said shutter means on the basis of a driving amount of said driving means.
Claim 58
Dependent Claim
31 words
A camera according to claim 52, wherein said detection means comprises a common means for detecting the operating amount of said optical means and the operating amount of said shutter means.
Claim 59
Dependent Claim
19 words
A camera according to claim 43, wherein said driving means comprises threaded shaft means for moving said moving means.
Claim 60
Dependent Claim
22 words
A camera according to claim 54, wherein said moving means comprises screw engaging means for screw engagement with said threaded shaft means.
Claim 61
Dependent Claim
56 words
A camera, comprising: driving means for generating a driving force; moving means which moves in an optical path direction by the driving force of said driving means; operating means for operating optical means in accordance with the movement of said moving means; and shutter means which operates in accordance with the movement of said moving means.
Claim 62
Dependent Claim
56 words
A camera, comprising: driving means for generating a driving force; moving means which moves in an optical path direction by the driving force of said driving means; operating means for operating optical means in accordance with the movement of said moving means; and shutter means which operates in accordance with the movement of said moving means.
Claim 63
Dependent Claim
13 words
A camera according to claim 56, wherein said driving means comprises a motor.
Claim 64
Dependent Claim
30 words
A device according to claim 56, wherein said first operating means comprises means for moving said optical means along the optical path in accordance with movement of said moving means.
Claim 65
Dependent Claim
30 words
A device according to claim 56, wherein said first operating means comprises means for varying a focal length of said optical means in accordance with movement of said moving means.
Claim 66
Dependent Claim
26 words
A device according to claim 56, wherein said first operating means comprises means for focusing said optical means in accordance with movement of said moving means.
Claim 67
Dependent Claim
25 words
A camera according to claim 56, wherein said shutter means comprises means for opening the optical path in accordance with movement of said moving means.
Claim 68
Dependent Claim
53 words
A camera according to claim 56, wherein said moving means comprises first and second moving means, said operating means operates in accordance with a unitary movement of said first and second moving means, and said shutter means operates in accordance with movement of said second moving means independently of said first moving means.
Claim 69
Dependent Claim
27 words
A camera according to claim 62, wherein further comprising stop means for stopping said first moving means, said stop means being independent of said second moving means.
Claim 70
Dependent Claim
30 words
A camera according to claim 56, further comprising detection means for detecting an operating amount of said shutter means on the basis of a driving amount of said driving means.
Claim 71
Dependent Claim
38 words
A camera according to claim 56, further comprising detection means for detecting an operating amount of said optical means and the operating amount of said shutter means on the basis of a driving amount of said driving means.
Claim 72
Dependent Claim
36 words
A camera according to claim 65, wherein said detection means comprises a common means for detecting the operating amount of said optical means and the operating amount of said shutter means by a same detection portion.
Claim 73
Dependent Claim
19 words
A camera according to claim 56, wherein said driving means comprises threaded shaft means for moving said moving means.
Claim 74
Dependent Claim
22 words
A camera according to claim 56, wherein said moving means comprises screw engaging means for screw engagement with said threaded shaft means.
Claim 75
Dependent Claim
14 words
A camera according to claim 30, wherein said optical means comprises photographic optical means.
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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) | 1993-12-31 | 1994-07-02 | 1995-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-31 | 1998-07-02 | 1999-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-31 | 2002-07-02 | 2003-01-01 | $7700.00 | Window Closed / Lapsed |