Title:
CAMERA SYSTEM
Document Type and Number:
Japanese Patent JP2002132515
Kind Code:
A
Abstract:
To solve the problem that in a camera system with a real-time OS, when a task processing is discontinued at a timeout time, there may be cases where troubles occur in the system with irregulars due to task operations.
In a camera system, an initializing of the timeout time is performed with a starting of an aperture control (S301) to perform the control with an aperture task (S302-306), if a timeout is come before completing of the control (S307, 309), a completion state of the control is set to an irregular completion (S310), so that an error processing is performed due to the irregular completion of the completion state (S314, 315).
Inventors:
MATSUMOTO YUKIHIRO
Application Number:
JP2000319398A
Publication Date:
May 10, 2002
Filing Date:
October 19, 2000
Export Citation:
Assignee:
CANON KK
International Classes:
G03B19/02; G03B17/02; G06F9/46; G06F9/48; H04N5/225; H04N5/232; H04N101/00; (IPC1-7): G06F9/46; G03B17/02; G03B19/02; H04N5/225; H04N5/232
Attorney, Agent or Firm:
Masayuki Kishida (2 outside)