Title:
【発明の名称】ピクセル濃度検出器
Document Type and Number:
Japanese Patent JP2816835
Kind Code:
B2
Abstract:
A pixel density detector comprises a cylinder (1) having a characteristic of catching incident light, an entrance window (2) provided in a shape of a slit in the longitudinal direction of the cylinder (1), and 2 pieces of light detecting means (4) disposed at prescribed interval on said cylinder (1) at prescribed angle against the entrance window (2).
Inventors:
Haruo Kotani
Masakazu Kanda
Masakazu Kanda
Application Number:
JP13104196A
Publication Date:
October 27, 1998
Filing Date:
April 25, 1996
Export Citation:
Assignee:
Nishimoto Sangyo Co., Ltd.
International Classes:
G01J1/00; G01J1/02; G01J1/04; G01J1/42; H04N1/19; (IPC1-7): G01J1/02; G01J1/00
Domestic Patent References:
| JP58103624A | ||||
| JP4296642A |
Attorney, Agent or Firm:
Taro Sogi