The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 1979
Filed:
Dec. 13, 1977
Applicant:
Inventors:
Noboru Hayama, Tokyo, JP;
Takanori Hasegawa, Hachioji, JP;
Kiyoshi Takehara, Kokubunji, JP;
Masakazu Kera, Tokyo, JP;
Assignee:
Riso Kagaku Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219216 ; 219388 ; 432 59 ;
Abstract
An exposure device for a thermal stencil sheet having a linear electronic flash discharge tube and an enclosure made of a plate member curved around the tube in a substantially cylindrical shape coaxial with the tube while defining a slit opening parallel to the tube, wherein a thermal stencil sheet is loaded into the enclosure through the slit opening and is supported in a substantially cylindrical shape coaxially around the tube for receiving direct infrared radiation from the tube with no interposition of a glass layer or the like.