← Back to Patent Explorer
US5619030A Expired / Lapsed US ⏱️ 0.0 years remaining

Control apparatus for image blur prevention employing an angular velocity and an image field sensor

Assignee: Canon Inc
•
Filing: 1996-05-13
•
Granted: 1997-04-08
•
Expires: 2016-05-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A control apparatus for image blur prevention includes a ontroller, which uses an output from at least one of first and second image blur detection portions (e.g., a mechanical sensor and an electrical sensor) having different image blur detection frequency characteristics, in accordance with the frequency of an image blur, whereby the two detection portions compensate for each other, and image blur prevention can be more precisely performed for image blurs in a wider frequency range.

Inventors

  • 👤 Yasuhiko Shiomi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 17:15
CPC Classifications
G; G03; G03B; G03B5/00; H; H04; H04N; H04N23/00; H04N23/60; H04N23/68; H04N23/681; H04N23/6811; 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: 68
Claim 1
Independent Claim 112 words
A control apparatus for controlling image blur prevention using at least one of a first image blur detection signal from a first image blur detection device that detects at least image blur in a first frequency range and a second image blur detection signal from a second image blur detection device that detects at least image blur in a second frequency range, said control apparatus comprising: a control device that controls image blur prevention using at least one of the first and second image blur detection signals, said control device changing a manner of use of the first and the second detection signals in accordance with a frequency of the image blur.
Claim 2
Dependent Claim 112 words
A control apparatus for controlling image blur prevention using at least one of a first image blur detection signal from a first image blur detection device that detects at least image blur in a first frequency range and a second image blur detection signal from a second image blur detection device that detects at least image blur in a second frequency range, said control apparatus comprising: a control device that controls image blur prevention using at least one of the first and second image blur detection signals, said control device changing a manner of use of the first and the second detection signals in accordance with a frequency of the image blur.
Claim 3
Dependent Claim 16 words
An apparatus according to claim 1, wherein said apparatus comprises the first image blur detection device.
Claim 4
Dependent Claim 16 words
An apparatus according to claim 1, wherein said apparatus comprises the second image blur detection device.
Claim 5
Dependent Claim 65 words
An apparatus according to claim 1, wherein said control means comprises means for utilizing an output of the first image blur detection portion for image blur prevention of image blur in a first frequency range, and for utilizing an output of the second image blur detection portion for image blur prevention of image blur in a second frequency range different from the first frequency range.
Claim 6
Dependent Claim 85 words
An apparatus according to claim 1, wherein said control means comprises means for combining an image blur signal in a first frequency range and an image blur signal in a second frequency range different from the first frequency range, and thereby, for forming an image blur signal, wherein the image blur signal in the first frequency range is outputted from the first image blur detection portion and the image blur signal in the second frequency range is outputted from the second image blur detection portion.
Claim 7
Dependent Claim 57 words
An apparatus according to claim 1, wherein said control device comprises means for using the output from the first image blur detection device in order to prevent image blur in the first frequency range, and for using the output from the second image blur detection device in order to prevent image blur in the second frequency range.
Claim 8
Dependent Claim 52 words
An apparatus according to claim 1, wherein the first image blur detection device comprises means for actually detecting an image blur in a first frequency range, and the second image blur detection device comprises means for actually detecting an image blur in a second frequency range different from the first frequency range.
Claim 9
Dependent Claim 34 words
An apparatus according to claim 7, wherein said control device comprises means for forming a signal for image blur prevention by combining the outputs from the first and the second image blur detection devices.
Claim 10
Dependent Claim 32 words
An apparatus according to claim 7, wherein the first frequency range is a range higher than a predetermined frequency, and the second frequency range is a range lower than the predetermined frequency.
Claim 11
Dependent Claim 22 words
An apparatus according to claim 1, wherein the first image blur detection device comprises means for detecting a fluctuation of the apparatus.
Claim 12
Dependent Claim 22 words
An apparatus according to claim 10, wherein the first image detection device comprises a mechanical sensor for detecting fluctuation of the apparatus.
Claim 13
Dependent Claim 27 words
An apparatus according to claim 1, wherein the second image blur detection device comprises means for detecting a movement of an image on a photoelectric conversion element.
Claim 14
Dependent Claim 28 words
An apparatus according to claim 12, wherein the second image blur detection device comprises an electrical sensor for detecting movement of the image on the photoelectric conversion element.
Claim 15
Dependent Claim 42 words
An apparatus according to claim 1, wherein said control device comprises means for driving an image blur prevention device for preventing image blur in accordance with an output from at least one of the first and the second image blur detection devices.
Claim 16
Dependent Claim 30 words
An apparatus according to claim 14, wherein the image blur prevention portion comprises means for preventing an image blur by deflecting a light beam upon movement in an optical path.
Claim 17
Dependent Claim 118 words
An image blur prevention apparatus for preventing image blur using at least one of a first image blur detection signal from a first image blur detection device that detects at least image blur in a first frequency range, and a second image blur detection signal from a second image blur detection device that detects at least image blur in a second frequency range, said image blur prevention apparatus comprising: an image blur prevention device which performs image blur prevention using at least one of the first and the second detection signals, said image blur prevention device changing a manner of use of the first and the second detection signals in accordance with a frequency of the image blur.
Claim 18
Dependent Claim 118 words
An image blur prevention apparatus for preventing image blur using at least one of a first image blur detection signal from a first image blur detection device that detects at least image blur in a first frequency range, and a second image blur detection signal from a second image blur detection device that detects at least image blur in a second frequency range, said image blur prevention apparatus comprising: an image blur prevention device which performs image blur prevention using at least one of the first and the second detection signals, said image blur prevention device changing a manner of use of the first and the second detection signals in accordance with a frequency of the image blur.
Claim 19
Dependent Claim 139 words
An optical apparatus to which an image blur prevention device for preventing an image blur is adapted, wherein the image blur prevention device performs image blur prevention using at least one of a first image blur detection signal from a first image blur detection device that detects at least image blur in a first frequency range and a second image blur detection signal from a second image blur detection device that detects at least image blur in a second frequency range, the optical apparatus comprising: an operation device which causes the image blur prevention device to perform an image blur prevention operation using at least one of the first and the second detection signals, said operation device changing a manner of use of the first and the second detection signals in accordance with a frequency of the image blur.
Claim 20
Dependent Claim 139 words
An optical apparatus to which an image blur prevention device for preventing an image blur is adapted, wherein the image blur prevention device performs image blur prevention using at least one of a first image blur detection signal from a first image blur detection device that detects at least image blur in a first frequency range and a second image blur detection signal from a second image blur detection device that detects at least image blur in a second frequency range, the optical apparatus comprising: an operation device which causes the image blur prevention device to perform an image blur prevention operation using at least one of the first and the second detection signals, said operation device changing a manner of use of the first and the second detection signals in accordance with a frequency of the image blur.
Claim 21
Dependent Claim 136 words
A camera to which an image blur prevention device for preventing image blur is adapted, wherein the image blur prevention device performs image blur prevention using at least one of a first image blur detection signal from a first image blur detection device that detects at least image blur in a first frequency range and a second image blur detection signal from a second image blur detection device that detects at least image blur in a second frequency range, the camera comprising: an operation device which causes the image blur prevention device to perform an image blur prevention operation using at least one of the first and the second detection signals, said operation device changing a manner of use of the first and the second detection signals in accordance with a frequency of the image blur.
Claim 22
Dependent Claim 136 words
A camera to which an image blur prevention device for preventing image blur is adapted, wherein the image blur prevention device performs image blur prevention using at least one of a first image blur detection signal from a first image blur detection device that detects at least image blur in a first frequency range and a second image blur detection signal from a second image blur detection device that detects at least image blur in a second frequency range, the camera comprising: an operation device which causes the image blur prevention device to perform an image blur prevention operation using at least one of the first and the second detection signals, said operation device changing a manner of use of the first and the second detection signals in accordance with a frequency of the image blur.
Claim 23
Dependent Claim 141 words
A control apparatus for processing a first image blur detection signal from a first image blur detection portion that detects image blur in a first frequency range and a second image blur detection signal from a second image blur detection portion that detects image blur in a second frequency range to control image blur prevention, said control apparatus comprising: a first input terminal for inputting the first image blur detection signal; a second input terminal for inputting the second image blur detection signal; and signal forming means for forming a control signal for image blur prevention by combining outputs from the first and second image blur detection portions having different image blur detection frequency characteristics, said signal forming means forming the control signal based on a difference between the frequency characteristics of the first and the second image blur detection signals.
Claim 24
Dependent Claim 141 words
A control apparatus for processing a first image blur detection signal from a first image blur detection portion that detects image blur in a first frequency range and a second image blur detection signal from a second image blur detection portion that detects image blur in a second frequency range to control image blur prevention, said control apparatus comprising: a first input terminal for inputting the first image blur detection signal; a second input terminal for inputting the second image blur detection signal; and signal forming means for forming a control signal for image blur prevention by combining outputs from the first and second image blur detection portions having different image blur detection frequency characteristics, said signal forming means forming the control signal based on a difference between the frequency characteristics of the first and the second image blur detection signals.
Claim 25
Dependent Claim 52 words
An apparatus according to claim 19, wherein the first image blur detection portion comprises means for actually detecting an image blur in a first frequency range, and the second image blur detection portion comprises means for actually detecting an image blur in a second frequency range different from the first frequency range.
Claim 26
Dependent Claim 24 words
An apparatus according to claim 19, wherein the first image blur detection portion comprises a mechanical sensor for detecting the fluctuation of the apparatus.
Claim 27
Dependent Claim 29 words
An apparatus according to claim 19, wherein the second image blur detection portion comprises an electrical sensor for detecting the movement of the image on the photoelectric conversion element.
Claim 28
Dependent Claim 34 words
An apparatus according to claim 19, further comprising: driving control means for driving an image blur prevention portion for preventing an image blur in accordance with the signal formed by said signal forming means.
Claim 29
Dependent Claim 15 words
An apparatus according to claim 23, wherein said apparatus comprises the image blur prevention portion.
Claim 30
Dependent Claim 16 words
An apparatus according to claim 19, wherein said apparatus comprises the first image blur detection portion.
Claim 31
Dependent Claim 16 words
An apparatus according to claim 19, wherein said apparatus comprises the second image blur detection portion.
Claim 32
Dependent Claim 14 words
An apparatus according to claim 19, wherein said apparatus is arranged in a camera.
Claim 33
Dependent Claim 15 words
An apparatus according to claim 19, wherein said apparatus is arranged in an optical device.
Claim 34
Dependent Claim 85 words
An apparatus according to claim 19, wherein said signal forming means comprises means for combining an image blur signal in a first frequency range and an image blur signal in a second frequency range different from the first frequency range, and thereby, for forming an image blur signal, wherein the image blur signal in the first frequency range is outputted from the first image blur signal and the image blur signal in the second frequency range is outputted from the second image blur detection portion.
Claim 35
Independent Claim 93 words
An apparatus adapted to an image blur prevention device for performing image blur in accordance with at least one of an output from a first image blur detection device and an output from a second image blur detection device different from the first image blur detection device, said apparatus comprising: an operation device for controlling a manner of response to the output of one of the first and the second image blur detection devices in accordance with the state of the other one of the first and the second image blur detecting devices.
Claim 36
Independent Claim 93 words
An apparatus adapted to an image blur prevention device for performing image blur in accordance with at least one of an output from a first image blur detection device and an output from a second image blur detection device different from the first image blur detection device, said apparatus comprising: an operation device for controlling a manner of response to the output of one of the first and the second image blur detection devices in accordance with the state of the other one of the first and the second image blur detecting devices.
Claim 37
Dependent Claim 89 words
An apparatus according to claim 30, wherein the first image blur detection device requires a lapse of time to attain a stable output state after a start operation, and the second image blur detection device does not require a substantial lapse of time to attain stable output after a start operation, and said operation device comprises means for changing a relationship of a connection between the second image blur detection device and the image blur prevention device in accordance with a state of the first image blur detection device.
Claim 38
Dependent Claim 52 words
An apparatus according to claim 31, wherein said operation device comprises means for causing the image blur prevention device to perform image blur prevention in accordance with the output from the second image blur detection device at least until the image blur prevention device achieves a stable state after a start operation.
Claim 39
Dependent Claim 55 words
An apparatus according to claim 32, wherein the operation device comprises means for causing the image blur prevention device to perform image blur prevention in accordance with the output from the second image blur detection device until at least a predetermined time has elapsed after at least the first image blur detection device is started.
Claim 40
Dependent Claim 22 words
An apparatus according to claim 30, wherein the first and the second image blur detection devices have different image blur detection characteristics.
Claim 41
Dependent Claim 26 words
An apparatus according to claim 30, wherein the first and the second image blur detection devices detect an image blur state in substantially the same direction.
Claim 42
Dependent Claim 23 words
An apparatus according to claim 30, wherein the first image blur detection device comprises a mechanical sensor for detecting fluctuation of the apparatus.
Claim 43
Dependent Claim 28 words
An apparatus according to claim 30, wherein the second image blur detection device comprises an electrical sensor for detecting movement of the image on a photoelectric conversion element.
Claim 44
Dependent Claim 16 words
An apparatus according to claim 30, wherein said apparatus comprises the first image blur detection device.
Claim 45
Dependent Claim 16 words
An apparatus according to claim 30, wherein said apparatus comprises the second image blur detection device.
Claim 46
Dependent Claim 126 words
An image blur prevention apparatus for performing image blur prevention in accordance with at least one of an output from a first image blur detection device and an output from a second image blur detection device different from the first image blur detection device, the apparatus comprising: an image blur prevention device which prevents image blur in accordance with at least one of the output from the first image blur detection device and the output of the second image blur detection device; and an operation device for controlling a manner of response to the output from one of the first and the second image blur detection devices in accordance with a state of the other one of the first and the second image blur detection devices.
Claim 47
Dependent Claim 126 words
An image blur prevention apparatus for performing image blur prevention in accordance with at least one of an output from a first image blur detection device and an output from a second image blur detection device different from the first image blur detection device, the apparatus comprising: an image blur prevention device which prevents image blur in accordance with at least one of the output from the first image blur detection device and the output of the second image blur detection device; and an operation device for controlling a manner of response to the output from one of the first and the second image blur detection devices in accordance with a state of the other one of the first and the second image blur detection devices.
Claim 48
Dependent Claim 102 words
An optical apparatus to which an image blur prevention device is adapted, wherein the image blur prevention device performs image blur prevention in accordance with at least one of an output from a first image blur detection device and an output from a second image blur detection device different from the first image blur detection device, the apparatus comprising: an operation device for controlling a manner of response to the output from one of the first and the second image blur detection device in accordance with a state of the other one of the first and the second image blur detection devices.
Claim 49
Dependent Claim 102 words
An optical apparatus to which an image blur prevention device is adapted, wherein the image blur prevention device performs image blur prevention in accordance with at least one of an output from a first image blur detection device and an output from a second image blur detection device different from the first image blur detection device, the apparatus comprising: an operation device for controlling a manner of response to the output from one of the first and the second image blur detection device in accordance with a state of the other one of the first and the second image blur detection devices.
Claim 50
Dependent Claim 101 words
A camera to which an image blur prevention device is adapted, wherein the image blur prevention device performs image blur prevention in accordance with at least one of an output from a first image blur detection device and an output from a second image blur detection device different from the first image blur detection device, the camera comprising: an operation device for controlling a manner of response to the output from one of the first and the second image blur detection devices in accordance with a state of the other one of the first and the second image blur detection devices.
Claim 51
Dependent Claim 101 words
A camera to which an image blur prevention device is adapted, wherein the image blur prevention device performs image blur prevention in accordance with at least one of an output from a first image blur detection device and an output from a second image blur detection device different from the first image blur detection device, the camera comprising: an operation device for controlling a manner of response to the output from one of the first and the second image blur detection devices in accordance with a state of the other one of the first and the second image blur detection devices.
Claim 52
Dependent Claim 132 words
A control apparatus for processing a first image blur detection signal from a first image blur detection portion that detects image blur in a first frequency range and a second image blur detection signal from a second image blur detection portion that detects image blur in a second frequency range to control image blur prevention, said control apparatus comprising: a first input terminal for inputting the first image blur detection signal; a second input terminal for inputting the second image blur detection signal; and control means for processing the first and second image blur detection signals to control image blur prevention, said control means comprising means for outputting a control signal using at least one of first and second image blur detection portions, in accordance with a frequency of an image blur.
Claim 53
Dependent Claim 132 words
A control apparatus for processing a first image blur detection signal from a first image blur detection portion that detects image blur in a first frequency range and a second image blur detection signal from a second image blur detection portion that detects image blur in a second frequency range to control image blur prevention, said control apparatus comprising: a first input terminal for inputting the first image blur detection signal; a second input terminal for inputting the second image blur detection signal; and control means for processing the first and second image blur detection signals to control image blur prevention, said control means comprising means for outputting a control signal using at least one of first and second image blur detection portions, in accordance with a frequency of an image blur.
Claim 54
Dependent Claim 22 words
An apparatus according to claim 43, wherein the first and second image blur detection portions have different detection characteristics from each other.
Claim 55
Dependent Claim 23 words
An apparatus according to claim 44, wherein the first and second image blur detection portions have different frequency detection characteristics from each other.
Claim 56
Dependent Claim 123 words
A control apparatus for processing a first image blur detection signal from a first image blur detection portion that detects image blur in a first frequency range and a second image blur detection signal from a second image blur detection portion that detects image blur in a second frequency range to control image blur prevention, said control apparatus comprising: a first input terminal for inputting the first image blur detection signal; a second input terminal for inputting the second image blur detection signal; and a control portion for processing the first and second image blur detection signals, in real time, to cause one image blur prevention portion to perform an image blur prevention operation in a predetermined direction in accordance with both signals.
Claim 57
Dependent Claim 123 words
A control apparatus for processing a first image blur detection signal from a first image blur detection portion that detects image blur in a first frequency range and a second image blur detection signal from a second image blur detection portion that detects image blur in a second frequency range to control image blur prevention, said control apparatus comprising: a first input terminal for inputting the first image blur detection signal; a second input terminal for inputting the second image blur detection signal; and a control portion for processing the first and second image blur detection signals, in real time, to cause one image blur prevention portion to perform an image blur prevention operation in a predetermined direction in accordance with both signals.
Claim 58
Dependent Claim 16 words
An apparatus according to claim 46, wherein said apparatus comprises the first image blur detection portion.
Claim 59
Dependent Claim 16 words
An apparatus according to claim 46, wherein said apparatus comprises the second image blur detection portion.
Claim 60
Dependent Claim 14 words
An apparatus according to claim 46, wherein said apparatus is arranged in a camera.
Claim 61
Dependent Claim 15 words
An apparatus according to claim 46, wherein said apparatus is arranged in an optical device.
Claim 62
Dependent Claim 15 words
An apparatus according to claim 46, wherein the apparatus comprises the image blur prevention portion.
Claim 63
Dependent Claim 123 words
A control apparatus for processing a first image blur detection signal from a first image blur detection portion that detects image blur in a first frequency range and a second image blur detection signal from a second image blur detection portion that detects image blur in a second frequency range to control image blur prevention, said control apparatus comprising: a first input terminal for inputting the first image blur detection signal; a second input terminal for inputting the second image blur detection signal; and a control portion for processing the first and second image blur detection signals of the first and second image blur detection portions having different frequency characteristics from each other so as to be simultaneously utilized for image blur prevention.
Claim 64
Dependent Claim 123 words
A control apparatus for processing a first image blur detection signal from a first image blur detection portion that detects image blur in a first frequency range and a second image blur detection signal from a second image blur detection portion that detects image blur in a second frequency range to control image blur prevention, said control apparatus comprising: a first input terminal for inputting the first image blur detection signal; a second input terminal for inputting the second image blur detection signal; and a control portion for processing the first and second image blur detection signals of the first and second image blur detection portions having different frequency characteristics from each other so as to be simultaneously utilized for image blur prevention.
Claim 65
Dependent Claim 16 words
An apparatus according to claim 52, wherein said apparatus comprises the first image blur detection portion.
Claim 66
Dependent Claim 16 words
An apparatus according to claim 52, wherein said apparatus comprises the second image blur detection portion.
Claim 67
Dependent Claim 14 words
An apparatus according to claim 52, wherein said apparatus is arranged in a camera.
Claim 68
Dependent Claim 15 words
An apparatus according to claim 52, wherein said apparatus is arranged in an optical device.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2000-04-07 2000-10-07 2001-04-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2004-04-07 2004-10-07 2005-04-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2008-04-07 2008-10-07 2009-04-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag