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Title:
OVERHEAD PROJECTOR PROVIDED WITH CAMERA HAVING VIDEO OUTPUT
Document Type and Number:
Japanese Patent JPH08129228
Kind Code:
A
Abstract:

PURPOSE: To provide an overhead projector(OHP) projecting the image of an original on an original platen on a screen, capable of picking up the image of a non-transmissive original or a solid body on the original platen, and outputting a picked-up image as a video signal.

CONSTITUTION: In this OHP, the original on the original platen 1 is illuminated from above by an illumination lamp 7, and the image of the original is projected on the screen by using a projection lens 3 and a mirror 5, thereby, the image of the general non-transmissive original or the solid body can be projected. It has such a structure that the projection lens 3 is put between a small-sized television camera head 13 in which an image pickup optical system and an image pickup element are incorporated and the illumination lamp 7, and the camera head 13 is arranged so as to pick up the image of the original on the original platen 1 in a state where it approaches the projection lens 3 as closely as possrble. A camera control unit part (CCU part is arranged at the inside cavity part of the housing (leg part) 15 of the OHP.


Inventors:
HOASHI KATSUTOSHI
HASE MASAYUKI
Application Number:
JP26776594A
Publication Date:
May 21, 1996
Filing Date:
October 31, 1994
Export Citation:
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Assignee:
IKEGAMI TSUSHINKI KK
International Classes:
G03B21/132; (IPC1-7): G03B21/132
Domestic Patent References:
JPH026936A1990-01-11
JP63168433B
JP55133437B
Attorney, Agent or Firm:
Yoshikazu Tani (1 person outside)