Title:
ILLUMINATOR
Document Type and Number:
Japanese Patent JPH05346624
Kind Code:
A
Abstract:
PURPOSE: To provide an illuminator capable of efficiently converging a luminous flux on an original.
CONSTITUTION: The illuminator is constituted so that plural reflectors are composed of at least three and at least three reflectors 2A, 2B, and 2C are disposed in a layer-like constitution, so that at least each of three reflectors 2A, 2B, and 2C has almost the same focal line in the vicinity of a region to be illuminated, and simultaneously, a different focal line in the vicinity of the aperture 1A of a light source (fluorescent lamp).
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Inventors:
ARAKI KEISUKE
Application Number:
JP18183892A
Publication Date:
December 27, 1993
Filing Date:
June 15, 1992
Export Citation:
Assignee:
CANON KK
International Classes:
G03B27/54; H04N1/04; (IPC1-7): G03B27/54; H04N1/04
Attorney, Agent or Firm:
Kazunobu Sera (1 person outside)