Claims
- 1. An image blur prevention apparatus that uses an image blur correction device which corrects image blur and an operation device which performs an operation to prevent image blur independently of the image blur correction device, said apparatus comprising:
- a determining device which determines whether the image blur correction device is performing a predetermined image blur correction operation; and
- a connecting device which controls an operation state of the operation device in accordance with a determination by said determining device, said connecting device causing the operation device to perform a predetermined operation for image blur prevention when said determining device determines that the image blur correction device is not performing the predetermined image blur correction operation.
- 2. Optical equipment that uses an image blur correction device which corrects image blur and an operation device which performs an operation to prevent image blur independently of the image blur correction device, said equipment comprising:
- a determining device which determines whether the image blur correction device is performing a predetermined image blur correction operation; and
- a connecting device which controls an operation state of the operation device in accordance with a determination by said determining device, said connecting device causing the operation device to perform a predetermined operation for image blur prevention when said determining device determines that the image blur correction device is not performing the predetermined image blur correction operation.
- 3. A camera that uses an image blur correction device which corrects image blur and an operation device which performs an operation to prevent image blur independently of the image blur correction device, said camera comprising:
- a determining device which determines whether the image blur correction device is performing a predetermined image blur correction operation; and
- a connecting device which controls an operation state of the operation device in accordance with a determination by said determining device, said connecting device causing the operation device to perform a predetermined operation for image blur prevention when said determining device determines that the image blur correction device is not performing the predetermined image blur correction operation.
- 4. An apparatus adapted to use an image blur correction device which corrects image blur and an operation device which performs an operation to prevent image blur independently of the image blur correction device, the apparatus comprising:
- a determining device which determines whether the image blur correction device is performing a predetermined image blur correction operation; and
- a connecting device which controls an operation state of the operation device in accordance with a determination of said determining device, said connecting device causing the operation device to perform a predetermined operation for image blur prevention when said determining device determines that the image blur correction device is not performing the predetermined image blur correction operation.
- 5. An apparatus according to claim 4, wherein the image blur correction device comprises means for optically correcting image blur.
- 6. An apparatus according to claim 4, wherein the operation device comprises information means for informing a user of the possibility of image blur occurring.
- 7. An apparatus according to claim 4, wherein the operation device comprises means for determining a possibility of image blur occurring in a predetermined manner and for informing the user based on a determination by said determining means, and comprises means for performing an information operation corresponding to the determination in the predetermined manner when said determining device determines that the image blur correction device is not performing the predetermined image blur correction operation.
- 8. An apparatus according to claim 6, wherein the operation device comprises means for determining the possibility of image blur occurring in a predetermined manner and for informing the user based on a determination by said determining means, and comprises means for performing an information operation corresponding to the determination in the predetermined manner when said determining device determines that the image blur correction device is not performing the predetermined image blur correction operation.
- 9. An apparatus according to claim 4, wherein said determining device comprises means for determining that the image blur correction device is not performing the predetermined image blur correction operation based on a state of a switch for determining an operation or a non-operation of image blur correction.
- 10. An apparatus according to claim 4, wherein said connecting device comprises means for causing the operation device not to perform the predetermined operation when said determining device determines that the image blur correction device is performing the predetermined image blur correction operation.
- 11. An apparatus according to claim 10, wherein said connecting device comprises means for causing the operation device to perform an operation different from the predetermined operation when said determining device determines that the image blur correction device is performing the predetermined image blur correction operation.
- 12. An apparatus according to claim 7, wherein said connecting device comprises means for performing an information operation corresponding to a determination in a manner different from the predetermined manner when said determining device determines that the image blur correction device is performing the predetermined image blur correction operation.
- 13. An apparatus used with an image blur correction apparatus for a camera, the camera including (1) an image blur correction device for correcting an image blur corresponding to an output of a vibration detection device that detects a vibration of the apparatus, (2) a switch for setting the image blur correction device in an operable state or an inoperable state, and (3) a release operation portion for performing a predetermined release operation, said apparatus comprising:
- determination means for determining whether a vibration detected by the vibration detection device is larger than a predetermined level;
- alarm control means for performing a predetermined alarm operation of an alarm device in accordance with a determination result of said determination means when the vibration detected by the vibration detection device is larger than the predetermined level, said alarm control means performing the predetermined alarm operation at a timing when the release portion Performs the predetermined release operation; and
- control means, responsive to the setting of the switch, for (1) determining whether or not to perform said predetermined alarm operation, or (2) varying the predetermined level of said determination means.
- 14. An apparatus according to claim 13, wherein said alarm control means controls said alarm device to perform the predetermined alarm operation when the image blur correction device is in the inoperative state.
- 15. An apparatus according to claim 13, wherein said alarm control means control said alarm device to perform the predetermined alarm operation when a shutter speed of the camera is slower than a predetermined level.
- 16. An apparatus according to claim 13, wherein said alarm control meand controls said alarm device to perform the predetermined alarm operation when the image blur correction device is in a first state where it cannot perform a predetermined function and does not perform the predetermined alarm operation when the image blur correction device is in a second state where it can perform the predetermined function.
- 17. An apparatus according to claim 13, wherein said alarm device performs the predetermined alarm operation based on a predetermined judgement when the image blur correction device is in the first state and does not perform the predetermined alarm operation based on the predetermined judgement when the image blur correction device is in the second state.
- 18. An apparatus according to claim 16 wherein said alarm device includes means for performing another alarm operation which is different from said predetermined alarm operation when said image blur correction device is in the second state.
- 19. An apparatus according to claim 17, wherein said alarm device includes means for performing another alarm operation based on another judgement which is different from the predetermined judgement when said image blur corrrection device is in the second state.
- 20. An apparatus according to claim 13, wherein said alarm device includes means for performing the predetermined alarm operation in response to an operation of said release operation portion that causes the camera to perform a photography preparation operation.
- 21. An apparatus according to claim 20, wherein said alarm device includes means for performing the predetermined alarm operation in response to an operation of said release operation portion that causes the camera to perform an exposure condition determination operation.
- 22. An apparatus according to claim 13, wherein said release operation portion is capable of performing a first operation where it moves in a first stroke and a second operation where it moves in a second stroke which is larger than said first stroke, and where said second operation of said release operation portion is a releasing operation of the camera, and said alarm control device controls said alarm device to perform the predetermined alarm operation in response to the first operation of said release operation portion.
- 23. An apparatus according to claim 13, wherein said alarm device includes means for performing the predetermined alarm operation in response to a predetermined operation of the release operation member which is performed prior to an operation of said release operation portion that causes the camera to perform a release operation.
- 24. An apparatus according to claim 13, wherein said image blur correction device includes means for initiating an image blur correction operation in response to an operation of the release operation portion that causes the camera to perform a releasing operation.
- 25. An apparatus according to claim 13, wherein said image blur correction device includes an image blur correction optical member that optically compensates for the image blur.
- 26. An apparatus according to claim 25, wherein said image blur correction optical member includes means for deflecting a light beam.
- 27. An image blur correction apparatus adapted to a camera having a release operation portion for performing a predetermined release operation, and usable with a vibration detection device for detecting a vibration of said apparatus, said apparatus comprising:
- an image blur correction device which corrects an image blur corresponding to an output of the vibration detection device;
- a switch which sets the image blur correction device in an operative state or an inoperative state;
- determination-means for determining whether a vibration detected bv the vibration detection device is larger than a predetermined level;
- alarm control means for performing an alarm operation of an alarm device in accordance with a determination result of said determination means when the vibration detected by said vibration detection device is larger than the predetermined level, said alarm control means performing the alarm operation at a timing when the release operation portion performs the predetermined release operation; and
- control means, responsive to the setting of the switch, for (1) determining whether or not to perform the predetermined alarm operation, or (2) varying the predetermined level of the deternation means.
- 28. A camera to which an apparatus, which includes (1) an image blur correction apparatus for correcting an image blur corresponding to an output of a vibration detection device that detects a vibration of the apparatus, and (2) a switch that sets the image blur correction device in an operative or inoperative state, is applied, said camera comprising:
- a release operation portion;
- determination means for determining whether a vibration detected by the vibration detection device is larger than a predetermined level;
- alarm control means for performing a predetermined alarm operation of an alarm device in accordance with a determination result of said determination means when the vibration detected by said vibration detection device is larger than the predetermined level, said alarm control means performing the predetermined alarm operation at a timing when said release operation portion of performs the predetermined release operation; and
- control means, responsive to the setting of said switch, for (1) determining whether or not to perform the alarm operation, or (2) for varying the predetermined level of said determination means.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2-112666 |
Apr 1990 |
JPX |
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Parent Case Info
This application is a continuation of U.S. patent application Ser. No. 08/430,607 filed Apr. 28, 1995, which is a continuation of Ser. No. 08/117,659 filed Sep. 8, 1993, which is a continuation of Ser. No. 07/692,261 filed Apr. 26, 1991, all now abandoned.
US Referenced Citations (12)
Foreign Referenced Citations (1)
Number |
Date |
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62-196639 |
Aug 1987 |
JPX |
Continuations (3)
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Number |
Date |
Country |
Parent |
430607 |
Apr 1995 |
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Parent |
117659 |
Sep 1993 |
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Parent |
692261 |
Apr 1991 |
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