Global Patent Index - EP 0462708 A3

EP 0462708 A3 19920422 - VIDEO RANDOM ACCESS MEMORY

Title (en)

VIDEO RANDOM ACCESS MEMORY

Publication

EP 0462708 A3 19920422 (EN)

Application

EP 91304736 A 19910524

Priority

US 54054690 A 19900619

Abstract (en)

[origin: EP0462708A2] A Video Random Access Memory device wherein full and efficient use of a serial access memory portion provides a simple and efficient means of avoiding Mid-Line Reloads and Real-Time Data Transfers whereby selected parts of two different rows in a random access memory portion are transferred simultaneously to the serial access memory portion via addressable transfer gates under the control of address/control logic. <IMAGE>

IPC 1-7

G09G 1/16; G06F 12/02

IPC 8 full level

G06F 12/04 (2006.01); G06T 1/60 (2006.01); G09G 5/39 (2006.01); G11C 11/401 (2006.01)

CPC (source: EP)

G09G 5/39 (2013.01); G09G 2360/126 (2013.01)

Citation (search report)

  • [XD] US 4825411 A 19890425 - HAMANO HISANORI [JP]
  • [XD] US 4855959 A 19890808 - KOBAYASHI SATORU [JP]
  • [X] US 4688032 A 19870818 - SAITO MITSUO [JP], et al
  • [XP] EP 0398510 A2 19901122 - IBM [US]
  • [XP] EP 0427114 A2 19910515 - MICRON TECHNOLOGY INC [US]
  • [X] WORLD PATENTS INDEX LATEST Week 8942, Derwent Publications Ltd., London, GB; AN 89-308298 ANONYMOUS: "Row addressable random access memory for video monitor storage, allows serial read-out to begin at arbitrary column location, while retaining column redundancy".
  • [A] WORLD PATENTS INDEX LATEST Week 8942, Derwent Publications Ltd., London, GB; AN 89-308294 ANONYMOUS: "Continuous read row addressable random access memory- has data divided into segments that can be independently loaded into read-out shift register to provide long continuous data stream". EP 91304736030

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0462708 A2 19911227; EP 0462708 A3 19920422; EP 0462708 B1 19961127; DE 69123291 D1 19970109; JP 2744854 B2 19980428; JP H04229485 A 19920818

DOCDB simple family (application)

EP 91304736 A 19910524; DE 69123291 T 19910524; JP 11219591 A 19910418