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:
Mar. 07, 1989
Filed:
Sep. 17, 1985
David J Hedley, Winchester, GB;
Morgan W David, Farnham, GB;
Sony Corporation, Tokyo, JP;
Abstract
A video signal memory which may form a field memory in a special effects equipment of a high definition video system, provides storage of n.sup.2 m video data words and includes an array of n by n memory modules each capable of storing m video data words corresponding respectively to sample values at respective sample positions of a raster display, a first group of n buses for supplying data and address signals to the n columns respectively of the array, a second group of n buses for supplying data and address signals to the n rows respectively of the array, and means selectively to enable the first or second group of buses in each write cycle of the video signal memory and in the write cycle to supply over the enabled group of buses up to n data and address signals wherein the address designates the address in a memory module in the corresponding column or row of the array and the data is the data to be stored in the memory module.