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:
Mar. 31, 1981
Filed:
Jul. 30, 1979
Applicant:
Inventors:
Peter C Salmon, Los Altos, CA (US);
David M Salmon, Los Altos, CA (US);
Assignee:
Santek, Inc., Los Altos, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346 / ; 29611 ; 219216 ; 338308 ;
Abstract
A thermal print head including a conductive base plate, a substrate slab mounted on the base and having various deposits on the upper and lower surfaces thereof, such deposits including conductive traces, conductive leads, a thermally insulating material, resistors, and conductive deposits for delivering electrical potential across the resistors, one or more integrated circuits mounted on the slab for controlling said print head based on electrical signals from external data processing equipment and connectors for delivering signals and potentials to the print head.