Title:
CAMERA WITH VIBRATION PROOF FUNCTION
Document Type and Number:
Japanese Patent JP3229899
Kind Code:
B2
Abstract:
PURPOSE: To move a correction lens in a plane perpendicular to an optical axis and to obtain desired optical performance by providing three supporting points holding the projecting parts of fixing frame so as to be movable in the plane perpendicular to the optical axis, on a camera lens-barrel.
CONSTITUTION: Three supporting points 12a, 12b, and 12c are provided on a supporting frame 11 whose cylindrical surface 11a is fitted to the lens-barrel and which is supported so as to be movable only in the optical axial direction, and respective recessed parts are fitted into the projecting parts 547a-547c shown by a hatched line on the fixing frame 547. In this constitution, the fixing frame 547 is held among three supporting points 12a-12c, so that the plane including the correction lens 545 is determined by three supporting points 12a-12c. On the other hand, all of three supporting points 12a-12c are directly provided on the supporting frame 11, and an indirect member is not interposed in mid- way, so that the lane including the correction lens 545 can be almost ideally made perpendicular to the optical axis 701, without accumulated dimensional difference.
More Like This:
| WO/2024/090742 | CAMERA MODULE |
| WO/2018/190627 | LIQUID LENS CONTROL CIRCUIT |
| WO/2018/182348 | CAMERA MODULE INCLUDING LIQUID LENS |
Inventors:
Koichi Washizu
Application Number:
JP12536992A
Publication Date:
November 19, 2001
Filing Date:
April 20, 1992
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B27/64; G03B5/00; G03B17/00; (IPC1-7): G03B17/00; G02B27/64; G03B5/00
Domestic Patent References:
| JP2282717A | ||||
| JP2304535A | ||||
| JP4256933A | ||||
| JP4180040A | ||||
| JP5257088A |
Attorney, Agent or Firm:
Minoru Nakamura