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:
May. 08, 1979
Filed:
Dec. 16, 1977
Applicant:
Inventors:
John T White, Grand Prairie, TX (US);
Kenneth T Lovelady, Irving, TX (US);
Assignee:
Recognition Equipment Incorporated, Irving, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346 75 ; 3461 / ;
Abstract
A hemicylindrical crystal is used in a variable frequency multi-orifice ink jet modulator. Unwanted resonant frequencies are damped providing the capability of wide band operation. A phase control is used with the modulator to control printing operations.