Computer graphics processing and selective visual display system – Computer graphic processing system – Interface
Patent
1996-11-22
1998-09-29
Tung, Kee M.
Computer graphics processing and selective visual display system
Computer graphic processing system
Interface
4551861, G06F 1316
Patent
active
058151702
ABSTRACT:
For an efficient memory use, a memory control method of the present invention of a character multiplexed broadcast receiver for controlling utilization of a data storing field (1) provided for storing data of pages of programs emitted in a character multiplexed broadcast comprises a step of checking when data of a page of a program are received whether the same data of the same page of the same program are already stored or not in any of blocks (1-1 to 1-n) of the data storing field (1) by searching an information table (3) comprising lines (3-1 to 3-l) sorted where is registered information of data stored in one of the blocks (1-1 to 1-n); a step of storing the data in an available block found by retrieving a status bit table (2) comprising a basic bit sequence (2-0), logic of its each bit indicating status of each corresponding block (1-1 to 1-n; a step of registering information of the data in the information table (3) by adding a new line; and a step of sorting the information table.
REFERENCES:
patent: 4686706 (1987-08-01), Sakai
patent: 5010406 (1991-04-01), Kawakami et al.
patent: 5668805 (1997-09-01), Yoshinobu
Kimura Tsuyoshi
Nagata Masahiko
NEC Corporation
Tung Kee M.
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