Patent US5845156A successfully refreshed from Google Patents.
US5845156A
Expired / Lapsed
US
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Image stabilizing device
Assignee: Canon Inc
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Filing: 1997-08-27
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Granted: 1998-12-01
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Expires: 2017-08-27
Abstract
Abstract An image stabilizing means includes a limiting means for determining an upper limit value of a driving deviation of a correction optical mechanism according to the position of a zooming optical group or a focusing group, and limiting the deviation of the correction optical mechanism based on the upper limit value.
Inventors
- 👤 Ichiro Onuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:46
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/64; G02B27/646; G03; G03B; G03B5/00; H; H04; H04N; H04N23/00; H04N23/60; H04N23/68; H04N23/681; H04N23/6812; H04N23/682; H04N23/685; H04N23/687; G03B2205/00; G03B2205/0007; G03B2205/0015; G03B2205/0053; G03B2205/0069; G03B2217/00; G03B2217/005
Claims Analysis
Total Claims: 60
Claim 1
Independent Claim
99 words
An image stabilizing apparatus, comprising: image stabilization means for compensating image blur by moving in an optical path of the image stabilizing apparatus, said image stabilization means being movable in at least two different directions; and restriction means for restricting movement of said image stabilization means, wherein said restriction means becomes inoperable when a driving state of said image stabilization means does not satisfy a predetermined relationship of the two different directions, and becomes operable when the driving state satisfies said predetermined relationship, so that the driving state in said two different directions does not exceed the predetermined relationship.
Claim 2
Dependent Claim
99 words
An image stabilizing apparatus, comprising: image stabilization means for compensating image blur by moving in an optical path of the image stabilizing apparatus, said image stabilization means being movable in at least two different directions; and restriction means for restricting movement of said image stabilization means, wherein said restriction means becomes inoperable when a driving state of said image stabilization means does not satisfy a predetermined relationship of the two different directions, and becomes operable when the driving state satisfies said predetermined relationship, so that the driving state in said two different directions does not exceed the predetermined relationship.
Claim 3
Dependent Claim
59 words
An apparatus according to claim 1, wherein said restriction means comprises means for restricting movement of said image stabilization means so that said image stabilization means does not operate outside of the predetermined relationship when a difference in an amount of movement of said image stabilization means in the different directions reaches a boundary value of a predetermined range.
Claim 4
Dependent Claim
45 words
An apparatus according to claim 2, wherein said restriction means further comprises means for prohibiting movement of said image stabilization means when a difference in the amount of movement of said image stabilizing means in different direction reaches the boundary value of said predetermined range.
Claim 5
Dependent Claim
56 words
An apparatus according to claim 2, wherein said restriction means further comprises means for varying the operation of said image stabilizing means in accordance with the output of said image stabilization means when a difference in the amount of movement of said image stabilizing means in different direction reaches the boundary value of said predetermined range.
Claim 6
Dependent Claim
52 words
An apparatus according to claim 4, wherein said restriction means further comprises for starting said image stabilization means to operate at the boundary value of said predetermined range when a difference in the amount of movement of said image stabilizing means in different direction reaches the boundary value of said predetermined range.
Claim 7
Dependent Claim
33 words
An apparatus according to claim 2, wherein the predetermined range is determined in accordance with a position whose distance from a predetermined position is substantially less than or equal to a predetermined value.
Claim 8
Dependent Claim
31 words
An apparatus according to claim 6, wherein the predetermined position is set at a position of said image stabilization means when said image stabilization means does not deflect the light beam.
Claim 9
Dependent Claim
48 words
An apparatus according to claim 6, wherein the predetermined range is defined by a circle of a predetermined radius whose center is the predetermined position, the circle defining a boundary indicating the limit of movement of said image stabilization means in any direction away from the predetermined position.
Claim 10
Dependent Claim
42 words
An apparatus according to claim 6, wherein the predetermined range is defined by a polygon surrounding the predetermined position, the polygon defining a boundary indicating the limit of movement of said image stabilization means in any direction away from the predetermined position.
Claim 11
Dependent Claim
26 words
An apparatus according to claim 2, wherein said predetermined range is set in accordance with a transmitting state of a light beam for forming the image.
Claim 12
Dependent Claim
32 words
An apparatus according to claim 10, wherein said predetermined range is set so that it substantially corresponds to an area through which the light beam for forming the image is being transmitted.
Claim 13
Dependent Claim
57 words
An apparatus according to claim 1, wherein said restriction means further comprises means for restricting the movement of said image stabilization means so that the driving amount of said image stabilization means does not exceed a predetermined value when a difference in amount of movement of said image stabilizing in the different directions reaches a predetermined value.
Claim 14
Dependent Claim
54 words
An apparatus according to claim 1, further comprising deviation amount detection means for detecting the deviation amount of said image stabilizing means at least in said two different directions, said restriction means comprising means for restricting the movement of said image stabilizing means in response to an output of said deviation amount detection means.
Claim 15
Dependent Claim
42 words
An apparatus according to claim 1, further comprising memory means for storing the predetermined relationship and comparison means for comparing said predetermined relationship stored in said memory means with the driving state of said image stabilizing means in the two different directions.
Claim 16
Dependent Claim
21 words
An apparatus according to claim 1, wherein said image stabilizing means moves in a plane including said two different driving directions.
Claim 17
Dependent Claim
66 words
An apparatus according to claim 1, further comprising blur detection means for detecting image blur, first driving means for driving said image stabilizing means selectively in one of said two different directions in response to an output of said image blur detection means, and second driving means for driving said image stabilizing means in the other direction in response to an output of said blur detection.
Claim 18
Dependent Claim
97 words
A camera system, comprising: image stabilization means for compensating for image blur by moving in an optical path of the camera system, said image stabilization means being movable in at least two different directions; restriction means for restricting movement of said image stabilization means, wherein said restriction means becomes inoperable when a driving state of said image stabilization means in said two different directions does not satisfy a predetermined relationship and becomes operable when the driving state satisfies said predetermined relationship, so that the driving state in said two different directions does not exceed the predetermined relationship.
Claim 19
Dependent Claim
97 words
A camera system, comprising: image stabilization means for compensating for image blur by moving in an optical path of the camera system, said image stabilization means being movable in at least two different directions; restriction means for restricting movement of said image stabilization means, wherein said restriction means becomes inoperable when a driving state of said image stabilization means in said two different directions does not satisfy a predetermined relationship and becomes operable when the driving state satisfies said predetermined relationship, so that the driving state in said two different directions does not exceed the predetermined relationship.
Claim 20
Dependent Claim
68 words
A camera system according to claim 17, wherein said restriction means includes means for restricting the movement of said image stabilization means so that said image stabilization means does not operate outside of the predetermined relationship of the two different directions and becomes operable, when the driving state satisfies said predetermined relationship, so that the driving state in said two different directions does not exceed the predetermined relationship.
Claim 21
Independent Claim
94 words
An apparatus for use with an image shake prevention device which prevents image shake in accordance with an output of a fluctuation detection device which detects a fluctuation of an optical apparatus, comprising: setting means for setting a driving amount of the image shake prevention device in accordance with the output of the fluctuation detection device; and regulation means for regulating an output range of the fluctuation detection device within which the image shake prevention device responds, said regulation means regulating the output range independently of the driving amount set by said setting means.
Claim 22
Independent Claim
94 words
An apparatus for use with an image shake prevention device which prevents image shake in accordance with an output of a fluctuation detection device which detects a fluctuation of an optical apparatus, comprising: setting means for setting a driving amount of the image shake prevention device in accordance with the output of the fluctuation detection device; and regulation means for regulating an output range of the fluctuation detection device within which the image shake prevention device responds, said regulation means regulating the output range independently of the driving amount set by said setting means.
Claim 23
Dependent Claim
48 words
An apparatus according to claim 19, wherein said setting means comprises means for changing the driving amount in accordance with a focal length, and said regulation means comprises means for changing the output range in accordance with a change in the driving amount set by said setting means.
Claim 24
Dependent Claim
49 words
An apparatus according to claim 20, wherein said setting means comprises means for making the driving amount smaller in accordance with the focal length being shortened, and said regulation means comprises means for making the output range smaller in accordance with said setting means making the driving amount smaller.
Claim 25
Dependent Claim
28 words
An apparatus according to claim 20, wherein said regulation means comprises means for determining the output range in accordance with the driving amount based on the focal length.
Claim 26
Dependent Claim
68 words
An apparatus according to claim 19, wherein said setting means comprises means for changing the driving amount in accordance with a change in a correspondence relationship between a fluctuation amount of the optical equipment and an image shake amount caused by the fluctuation amount, and said regulation means comprises means for changing the output range in accordance with a change of the driving amount by said setting means.
Claim 27
Dependent Claim
74 words
An apparatus according to claim 23, wherein said regulation means comprises means for changing the output range so that a range of the fluctuation of the optical equipment is substantially constant even when said setting means changes the driving amount in accordance with a change of the correspondence relationship, and wherein the image shake prevention device accommodates the range of the fluctuation of the optical equipment by means of an image shake prevention operation.
Claim 28
Dependent Claim
87 words
An apparatus according to claim 23, wherein said setting means is disposed in an optical path of a light for forming an image, in which an image shake in the image is being prevented by the image shake prevention device, and said setting means comprises means for changing the driving amount in accordance with a state of an optical portion in which an optical power is variable, and said regulation means comprises means for changing the output range in accordance with the change of the driving amount.
Claim 29
Dependent Claim
22 words
An apparatus according to claim 25, wherein the optical portion comprises means for changing the focal length by varying the optical power.
Claim 30
Dependent Claim
26 words
An apparatus according to claim 25, wherein the optical portion is disposed in the forward direction of the image shake prevention device on an optical axis.
Claim 31
Dependent Claim
45 words
An apparatus according to claim 23, wherein said setting means comprises means for changing the driving amount in accordance with a focal length, and said regulation means comprises means for changing the output range in accordance with the driving amount changed by said setting means.
Claim 32
Dependent Claim
70 words
An apparatus according to claim 28, wherein said regulation means comprises means for changing the output range so that a range of the fluctuation of the optical equipment is substantially constant when said setting means changes the driving amount in accordance with the focal length, and wherein the image shake prevention device accommodates the range of the fluctuation of the optical equipment by means of an image shake prevention operation.
Claim 33
Dependent Claim
36 words
An apparatus according to claim 19, wherein said regulation means comprises means for restricting the output range of the image shake prevention device to a portion of a movable range of the image shake prevention device.
Claim 34
Dependent Claim
25 words
An apparatus according to claim 19, wherein the image shake prevention device comprises means for deflecting a light beam by moving in an optical path.
Claim 35
Dependent Claim
17 words
An apparatus according to claim 19, wherein the image shake prevention device comprises the fluctuation detection device.
Claim 36
Dependent Claim
93 words
An image shake prevention apparatus, comprising: image shake prevention means for preventing image shake in accordance with an output of a fluctuation detection device which detects a fluctuation of an optical apparatus; setting means for setting a driving amount of said image shake prevention means in accordance with the output of the fluctuation detection device; and regulation means for regulating an output range of the fluctuation detection device within which the image shake prevention means responds, said regulation means regulating the output range independently of the driving amount set by said setting means.
Claim 37
Dependent Claim
93 words
An image shake prevention apparatus, comprising: image shake prevention means for preventing image shake in accordance with an output of a fluctuation detection device which detects a fluctuation of an optical apparatus; setting means for setting a driving amount of said image shake prevention means in accordance with the output of the fluctuation detection device; and regulation means for regulating an output range of the fluctuation detection device within which the image shake prevention means responds, said regulation means regulating the output range independently of the driving amount set by said setting means.
Claim 38
Dependent Claim
48 words
An apparatus according to claim 33, wherein said setting means comprises means for changing the driving amount in accordance with a focal length, and said regulation means comprises means for changing the output range in accordance with a change in the driving amount set by said setting means.
Claim 39
Dependent Claim
49 words
An apparatus according to claim 34, wherein said setting means comprises means for making the driving amount smaller in accordance with the focal length being shortened, and said regulation means comprises means for making the output range smaller in accordance with said setting means making the driving amount smaller.
Claim 40
Dependent Claim
68 words
An apparatus according to claim 33, wherein said setting means comprises means for changing the driving amount in accordance with a change in a correspondence relationship between a fluctuation amount of an optical equipment and an image shake amount caused by the fluctuation amount, and said regulation means comprises means for changing the output range in accordance with a change of the driving amount by the setting means.
Claim 41
Dependent Claim
69 words
An apparatus according to claim 36, wherein said regulation means comprises means for changing the output range so that a range of the fluctuation of the optical equipment is substantially constant when said setting means changes the driving amount in accordance with a change of the correspondence relationship, and wherein the image shake prevention means accommodates the range of the fluctuation by means of an image shake prevention operation.
Claim 42
Independent Claim
95 words
An apparatus for use with an image shake prevention device which prevents an image shake in accordance with an output of a fluctuation detection device which detects a fluctuation of an optical apparatus, comprising: setting means for setting a driving amount of the image shake prevention device in accordance with the output of the fluctuation detection device; and regulation means for regulating an output range of the fluctuation detection device within which the image shake prevention device responds, said regulation means regulating the output range independently of the driving amount set by said setting means.
Claim 43
Independent Claim
95 words
An apparatus for use with an image shake prevention device which prevents an image shake in accordance with an output of a fluctuation detection device which detects a fluctuation of an optical apparatus, comprising: setting means for setting a driving amount of the image shake prevention device in accordance with the output of the fluctuation detection device; and regulation means for regulating an output range of the fluctuation detection device within which the image shake prevention device responds, said regulation means regulating the output range independently of the driving amount set by said setting means.
Claim 44
Dependent Claim
94 words
An image shake prevention apparatus, comprising: image shake prevention means for preventing an image shake in accordance with an output of a fluctuation detection device which detects a fluctuation of an optical apparatus; setting means for setting a driving amount of said image shake prevention means in accordance with the output of the fluctuation detection device; and regulation means for regulating an output range of the fluctuation detection device within which the image shake prevention device responds, said regulation means regulating the output range independently of the driving amount set by said setting means.
Claim 45
Dependent Claim
94 words
An image shake prevention apparatus, comprising: image shake prevention means for preventing an image shake in accordance with an output of a fluctuation detection device which detects a fluctuation of an optical apparatus; setting means for setting a driving amount of said image shake prevention means in accordance with the output of the fluctuation detection device; and regulation means for regulating an output range of the fluctuation detection device within which the image shake prevention device responds, said regulation means regulating the output range independently of the driving amount set by said setting means.
Claim 46
Dependent Claim
123 words
An optical apparatus having an image shake prevention function, said apparatus comprising: an optical system for forming an image of an object; a driving signal output device which generates a driving signal based on an output of an image shake detection device which detects an image shake; an image shake prevention device which prevents image shake in accordance with said driving signal; an optical condition detection device which detects an image forming condition of the optical system; first varying means for changing a driving signal in accordance with an output of said optical condition detection device; and second varying means for changing a driving displacement range of said image shake prevention device in accordance with the output of said optical condition detection device.
Claim 47
Dependent Claim
123 words
An optical apparatus having an image shake prevention function, said apparatus comprising: an optical system for forming an image of an object; a driving signal output device which generates a driving signal based on an output of an image shake detection device which detects an image shake; an image shake prevention device which prevents image shake in accordance with said driving signal; an optical condition detection device which detects an image forming condition of the optical system; first varying means for changing a driving signal in accordance with an output of said optical condition detection device; and second varying means for changing a driving displacement range of said image shake prevention device in accordance with the output of said optical condition detection device.
Claim 48
Dependent Claim
30 words
An apparatus according to claim 40, wherein said optical system includes means for varying a focal length, and said optical condition detection device includes means for detecting said focal length.
Claim 49
Dependent Claim
30 words
An apparatus according to claim 40, wherein said optical system includes means for varying a photographing magnification, and said optical condition detection device includes means for detecting said photographing magnification.
Claim 50
Dependent Claim
34 words
An apparatus according to claim 40, wherein said driving signal output device includes means for generating said driving signal by performing a predetermined calculation used with the output of said image shake detection device.
Claim 51
Dependent Claim
21 words
An apparatus according to claim 43, wherein said first varying means includes means for varying a parameter used with said calculation.
Claim 52
Dependent Claim
32 words
An apparatus according to claim 40, wherein said image shape prevention device includes correction optical means and a driving device for driving said correction optical means in accordance with said driving signal.
Claim 53
Dependent Claim
47 words
An apparatus according to claim 45, wherein second varying means includes restriction means for setting an upper limit value of said driving signal input to said driving device and means for varying said upper limit value in accordance with the output of said optical condition detection device.
Claim 54
Dependent Claim
55 words
An apparatus according to claim 46, wherein said restriction means includes means for determining whether said driving signal is greater than said upper limit value, and means for restricting an input of said driving signal to said driving device in accordance with a determination that said driving signal is greater than said upper limit value.
Claim 55
Dependent Claim
41 words
An apparatus according to claim 47, wherein said restriction means includes means for inputting a retained signal indicating a predetermined value to said driving device in accordance with the determination that said driving signal is greater than said upper limit value.
Claim 56
Dependent Claim
39 words
An apparatus according to claim 47, wherein said restriction means includes means for varying a detection character of said image shake detection device in accordance with the determination that said driving signal is greater than said upper limit value.
Claim 57
Dependent Claim
36 words
An apparatus according to claim 47, wherein said restriction means includes means for determining whether an output of said image shake detection device for inputting said driving signal output device is greater than a predetermined value.
Claim 58
Dependent Claim
62 words
An apparatus according to claim 50, wherein said restriction means includes means for inhibiting a driving signal generating operation of said driving signal output device used with the output of said image shake detection device in accordance with the determination that the output of said image shake detection device for inputting said driving signal output device is greater than a predetermined value.
Claim 59
Dependent Claim
31 words
An apparatus according to claim 47, wherein said restriction means includes means for determining whether said driving signal generated by said driving signal output device is greater than a predetermine value.
Claim 60
Dependent Claim
21 words
An apparatus according to claim 40, wherein said image shake detection device includes means for detecting the vibration of an apparatus.
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