Television – Special applications – Manufacturing
Patent
1996-04-17
1997-07-29
Lee, Michael H.
Television
Special applications
Manufacturing
348 12, 455 42, 455 51, 39520009, H04N 7173
Patent
active
056526148
ABSTRACT:
Image and sound data stored in an optical disc unit having an medium auto-changer mechanism are read out and temporarily stored in a hard disk unit, after then supplied to a user's terminal unit via a memory which serves as an output buffer. The image and sound data are stored in the memory, by compressing and a time length required to read out the data is shorter than a reproduction time in the user's terminal unit, and therefore plural data are read out by a difference between a readout time and the reproduction time. Since write operation to the hard disk unit and readout operation from the hard disk unit to write to the main memory 3 are simultaneously carried out, plural hard disk units are disposed and accessed in parallel. Moreover, a unit of data in write operation is larger than a unit of data in readout operation in the hard disk unit.
REFERENCES:
patent: 5311423 (1994-05-01), Clark
patent: 5341474 (1994-08-01), Gelman et al.
patent: 5383112 (1995-01-01), Clark
patent: 5442390 (1995-08-01), Hooper et al.
patent: 5453779 (1995-09-01), Dan et al.
patent: 5461415 (1995-10-01), Wolf et al.
patent: 5583561 (1996-12-01), Baker et al.
Grant Chris
Lee Michael H.
Matsushita Electric - Industrial Co., Ltd.
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