Title:
PHOTOGRAPHING MODE SWITCHING DEVICE FOR TELEVISION CAMERA
Document Type and Number:
Japanese Patent JPH0580245
Kind Code:
A
Abstract:
PURPOSE:To move a focus lens to a proper position without any complicate operation at the time of mode switching between a normal photographying mode and a macrophotographying mode. CONSTITUTION:When the switching between the normal photographying mode and macrophotographying mode is performed with a switch 10 as a photographying mode selecting means, a switch 11 as a focus lens displacing means for forcibly displacing the focus lens 3 is put in operation interlocking with the switching and a focus lens driving motor 1 is switched between a contact (b) on the side of a focus lens position detecting means 7 and a contact (a) on the side of a near end position output part 12, but when the macrophotographying mode is selected, the motor 1 is driven with the output signal of the near end position output part 12 to forcibly displace the focus lens 1 from a near end position and when the mode is returned to the normal photographying mode, the focus lens 3 is automatically displaced to the position right before the switching to the macrophotographying mode.
Inventors:
YAJIMA SHINYA
KATO HIROSHI
KAWAMURA HIROYUKI
KATO HIROSHI
KAWAMURA HIROYUKI
Application Number:
JP8441291A
Publication Date:
April 02, 1993
Filing Date:
March 26, 1991
Export Citation:
Assignee:
FUJI PHOTO OPTICAL CO LTD
International Classes:
G02B7/105; G02B7/08; G02B7/14; (IPC1-7): G02B7/105; G02B7/14
Attorney, Agent or Firm:
Shunji Kagei
Next Patent: ニンニク等のマルチフィルム除去装置