Title:
CONTROLLER FOR OPTICAL UNIT, OPTICAL DEVICE AND PHOTOGRAPHING DEVICE
Document Type and Number:
Japanese Patent JP2005227328
Kind Code:
A
Abstract:
To enhance the accuracy of a stop position of the optical unit driven by an actuator in a photographing area.
The controller for the optical unit which is driven by the actuator (33) in a 1st driving area used for photography and a 2nd driving area unused for the photography is provided with: a detection means (34) outputting a signal in accordance with the driving of the optical unit; and a driving control means (31) controlling the driving of the optical unit. The control means detects the driving speed of the optical unit in the 2nd driving area according to the signal from the detection means and controls the driving of the optical unit in the 1st driving area according to the detected driving speed.
Inventors:
CHIN KINKETSU
Application Number:
JP2004033264A
Publication Date:
August 25, 2005
Filing Date:
February 10, 2004
Export Citation:
Assignee:
CANON KK
International Classes:
G02B7/08; G03B5/00; (IPC1-7): G02B7/08
Attorney, Agent or Firm:
Masayuki Kishida
Mizuno Katsufumi
Atsushi Mizumoto
Hiroji Obana
Mizuno Katsufumi
Atsushi Mizumoto
Hiroji Obana
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