Title:
【発明の名称】測距用受光センサー
Document Type and Number:
Japanese Patent JP2914807
Kind Code:
B2
Abstract:
A distance measuring device is arranged to emit spot-shaped light toward a subject and receive light reflected from the subject by means of a light receiving sensor having a plurality of light receiving areas, thereby measuring the distance to the subject. In the distance measuring device, among the plurality of light receiving areas, a peripheral light receiving area is selected to be larger than a central light receiving area so that the accuracy of distance measurement is improved.
Inventors:
OOTSUKA MASANORI
TSUNEMYA TAKANOBU
TSUNEMYA TAKANOBU
Application Number:
JP563992A
Publication Date:
July 05, 1999
Filing Date:
January 16, 1992
Export Citation:
Assignee:
KYANON KK
International Classes:
G01B11/00; G01C3/06; G01C3/08; G01S7/481; (IPC1-7): G01C3/06; G01B11/00
Domestic Patent References:
| JP4143612A | ||||
| JP1100415A | ||||
| JP57190209A | ||||
| JP388109U | ||||
| JP2504441A |
Attorney, Agent or Firm:
Masayuki Kishida (2 outside)