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:
Feb. 18, 1986
Filed:
May. 17, 1983
Applicant:
Inventors:
Sadahiro Iyehara, Suita, JP;
Shizuo Inohara, Toyonaka, JP;
Mitsuya Masuda, Takatsuki, JP;
Minoru Ueda, Takatsuki, JP;
Keisuke Yamamoto, Ibaraki, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 56 ; 358230 ;
Abstract
A flat CRT type color image display apparatus comprises a number of horizontally disposed parallel line cathodes, vertical and horizontal deflection means and electron beams control means, wherein a clock pulse signal is produced by frequency-multiplying a pulse signal which is synchronized with color sub-carrier of the color TV signal, chrominance signal is A/D converted using the clock signal, therewith producing a PWM signal with which electron beams are controlled.