Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OPTICAL CONTROLLER, OPTICAL DRIVING UNIT, OPTICAL SYSTEM AND PHOTOGRAPHING SYSTEM
Document Type and Number:
Japanese Patent JP2003156671
Kind Code:
A
Abstract:

To provide an optical controller in which not only the speed of a lens (optical adjustment means) which is electrically driven but also the speed of the lens which is manually operated are stored and reproduced.

The optical controller is composed of a detection means 10 with which the position of a manually operating member 7 moved and operated for manually driving an optical adjustment means 1 is detected, an electric driving means 9 which electrically drives the optical adjustment means via the manually operating member, and control means 17, 22 and 23 which calculate and store a moving speed of the optical adjustment means on the basis of the variation in the detected position detected with the detection means according to a storage and operation means 21 while the manual driving member is moving and drive the optical adjustment means at a speed which is stored in the electric driving means according to the operation of a reproducing means 20.


Inventors:
DEMURA TAKESHI
Application Number:
JP2001353374A
Publication Date:
May 30, 2003
Filing Date:
November 19, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CANON KK
International Classes:
G02B7/08; H04N5/225; (IPC1-7): G02B7/08; H04N5/225
Attorney, Agent or Firm:
Masayuki Kishida (2 outside)



 
Previous Patent: ADJUSTABLE LENS ASSEMBLY

Next Patent: IMAGE PICKUP DEVICE