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. 29, 1990
Filed:
May. 16, 1989
Satoru Maeda, Kanagawa, JP;
Yasushi Noguchi, Saitama, JP;
Kazunori Yasuda, Kanagawa, JP;
Shyunsuke Takano, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A still picture signal editing or processing apparatus having a still picture signal source for generating a still picture signal, an analog-to-digital converter for converting the still picture signal into a digitized still picture signal, first and second main field memories, an auxiliary field memory, a signal processer for processing a still picture signal, a display for displaying a still picture, a selector for supplying a signal selectively read out from the first and second main field memories to the display, and a memory controller for controlling read and write operations of the first and second main field memories and auxiliary field memory, thereby a digitized still picture signal from the analog-to-digital converter is supplied to the first main field memory, the digitized still picture signal is read out from the first main field memory, compressed by 1/n in data amount and is separated into first and second compressed signals by the signal processer, the first and second compressed signals are supplied to the second main field memory and auxiliary field memory, respectively and written in portions of the second main field memory and the auxiliary field memory, respectively, the second compressed signal is read out from the auxiliary field memory and supplied to the first main field memory, and the first and second compressed signals are read out from the second and first main field memories, are combined and supplied to the display.