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:
Nov. 27, 1979
Filed:
Oct. 18, 1977
Applicant:
Inventors:
Tetsuo Fujie, Yokohama, JP;
Hiromi Ito, Hachioji, JP;
Assignee:
Olympus Optical Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; B43K / ;
U.S. Cl.
CPC ...
219220 ; 128397 ; 219216 ; 219229 ; 219240 ; 354105 ; 362 32 ; 362118 ;
Abstract
A writing pen for heat developing photoconductive material including a pen having a nib formed of material of high thermal conductivity and pervious to light, for contacting photosensitive heat developing material. The pen has a light source for illuminating the photosensitive material through the pen nib contacting the material, and a heater embedded in the nib for heating the nib portion in contact with photosensitive material. The pen nib may include a light-pervious rotatable ball tip seated in a light-pervious ball receptacle.