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. 19, 1998
Filed:
Feb. 25, 1997
Kouichi Kurihara, Kanagawa-ken, JP;
Shuji Abe, Kanagawa-ken, JP;
Takeshi Inagaki, Kanagawa-ken, JP;
Shinji Yoda, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A read control circuit reads image data, which are stored in a decoding image memory, at a read speed m/n times a display speed. These image data are written to line memories by a write control circuit. A read-address control circuit reads the image data from the line memories at a display speed, and line data for a letter-box image are generated by multipliers and an adder. Specifically, the line data of m lines which are read from the decoding image memory are transformed to n lines so that a letter-box display is made possible. Thus, letter-box transformation processing is performed with less memory capacity without the use of a field memory.