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.

Date of Patent:
Dec. 20, 1977

Filed:

Feb. 10, 1976
Applicant:
Inventor:

Yoshikazu Tamura, Ebina, JA;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
355 77 ; 355 67 ;
Abstract

Method of exposing a light sensitive member with a discharge lamp energized by an alternating electrical current where the exposure time for each point on the light sensitive member is an integral multiple of the period of the periodic output variations of the discharge lamp. In the preferred embodiment, the exposure is effected through a slit where relative movement occurs between the slit and the light sensitive member and where l = v .multidot. n To, l being the width of the slit, v being the relative velocity between the slit and light sensitive member, To being the period of the periodic output variations of the discharge lamp and n being any positive integer.


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