H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 5/92 (2006.01) G06F 17/30 (2006.01) G09B 5/06 (2006.01) G09B 7/04 (2006.01) G11B 27/10 (2006.01) H04N 1/21 (2006.01)
Patent
CA 2043774
ABSTRACT DATA RETRIEVAL SYSTEM, DISPLAY APPARATUS AND METHOD OF RECORDING AND DISPLAYING An interactive data retrieval system based on a personal computer is provided which comprises a database and a CD-ROM which is arranged to select and display visual images of product literature of interest to a user such as an architect for example. The database contains details of the illustrated products and the manufacturers of the products. A modem is provided to enable the user to communicate with the manufacturers of the displayed products and to receive updating information which is stored in the database. The display of a selected image may be aborted at any time by the user, and in order to facilitate comprehension of the image as quickly as possible whilst maximising the ultimate resolution of the image, the resolution of each displayed image is gradually increased during the display process. This is achieved by initially displaying the image in the form of blocks of identical pixels. The true image pixels at each position in the blocks are then substituted so as to enhance the resolution of the image. An arrangement for displaying an image which has been scanned at a spatial resolution which is different from the nominal spatial resolution of the monitor is also described.
Ashley Peter John Stapleton
Poulter Graham George
Gowling Lafleur Henderson Llp
Graham Poulter Partnership Plc
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