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:
Aug. 30, 1994
Filed:
Mar. 11, 1992
Haruo Takeda, Kawasaki, JP;
Kuniaki Tabata, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An image data display system comprises a file unit for storing image data in compressed form, a display unit for displaying image data, a table for storing address information of a plurality of image data to be read from the file unit, a buffer memory having a memory area corresponding to at least two image frames for temporarily storing image data read from the file unit, an expansion processor for expanding image data in the buffer memory, a bit map memory for storing expanded image data, an output unit for outputting image data in the bit map memory to the display unit, an input unit for inputting a first command instructing a successive display of image data and a second command instructing a halt of the successive display, and a control unit responsive to the first command for switching in a predetermined order the buffer memory area used for storing image data read from the file unit and the buffer memory area used by the expansion processor and successively reading image data from the file unit while referring to the table, and responsive to the second command for halting the read operation of image data from the file unit, whereby a desired image frame successively displayed is rendered in a still state by the second command from the input unit.