Title:
撮像装置
Document Type and Number:
Japanese Patent JP5011625
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a distance detecting device for obtaining a distance to a main subject from size occupied by the main subject on a photographic image plane. SOLUTION: This electronic still camera is provided with a photographic lens 11, an optical filter 12, a CCD 13, an A/D conversion circuit 14, an image processing circuit 15, a buffer memory 16, a CPU 17, a frame memory 18, an LCD display part 19, a range-finding/focusing circuit 30, a lens driving unit 35, an optical filter driving unit 40 and an operation member 50. The size (the number of pixels) occupied by a human's face on the photographic image plane is obtained for every distance to the subject and tabulated as a table in advance, and stored in a memory in the circuit 30. The circuit 30 extracts the human's face from an image pickup signal at the time of range-finding, and the number of pixels corresponding to the extracted image pickup signal is counted to obtain the subject distance from the table. The unit 35 is instructed to drive a focus lens in accordance with the obtained subject distance.
Inventors:
Naoki Yorita
Application Number:
JP2001270001A
Publication Date:
August 29, 2012
Filing Date:
September 06, 2001
Export Citation:
Assignee:
NIKON CORPORATION
International Classes:
G01B11/00; G02B7/28; G01C3/06; G03B11/00; G03B13/36; G06T1/00; G06T7/60; H04N5/232; H04N101/00
Domestic Patent References:
| JP9096528A | ||||
| JP1303410A | ||||
| JP2001202598A | ||||
| JP9005073A | ||||
| JP7103887A | ||||
| JP2000152064A | ||||
| JP64088210A | ||||
| JP10096626A | ||||
| JP2232515A | ||||
| JP7250272A | ||||
| JP2001346090A | ||||
| JP6094968A |
Attorney, Agent or Firm:
Fuyuki Nagai
Takao Watanabe
Takao Watanabe