Method and apparatus for refreshing a display screen of a televi

Details Method and apparatus for refreshing a display screen of a televi Method and apparatus for refreshing a display screen of a televi

1999-08-13

2000-07-18

Hsia, Sherrie

Television

Basic receiver with additional function

348563, 348564, 348569, 348718, H04N 5445

Patent

active

060914572

ABSTRACT:
A memory controller for controlling accesses to a memory storing display entities including network application data displayed on a display screen of a television system. For performing a display screen refresh operation, the network application data is retrieved with a predetermined period. Accordingly, the memory controller determines an expected time for receiving the next request for retrieving the network application data for screen refresh. The memory controller blocks any lower priority memory access requests from a few clock cycles prior to the determined expected time. As a result, the requests for retrieving network application data can be serviced in an acceptable time.

REFERENCES:
patent: 4768083 (1988-08-01), Romesburg
patent: 5539428 (1996-07-01), Bril
patent: 5611041 (1997-03-01), Bril

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