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:
Oct. 16, 1979
Filed:
Sep. 18, 1978
Applicant:
Inventor:
Lyle R Strathman, Cedar Rapids, IA (US);
Assignee:
Rockwell International Corporation, El Segundo, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315378 ; 315367 ;
Abstract
An arc-scanned sector cathode ray tube display system achieves constant writing speed by developing trigonometric X and Y deflection signals with amplitude linearly decreasing and scan rate linearly increasing as arcs are drawn from periphery toward apex of the display sector. Video/deflection synchronism is achieved by development of a video clock pulse train comprised of selected pulses from a clock source by means of which displayed video bits are shifted from rho-theta formated storage on a time/position basis such that video and beam position are synchronized to within one displayed picture element throughout the sector display.