Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel
Reexamination Certificate
2008-01-29
2008-01-29
Patel, Gautam R. (Department: 2627)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Control of information signal processing channel
C360S055000
Reexamination Certificate
active
07324416
ABSTRACT:
In order to perform simultaneous recording and reproduction, a large capacity of buffer memories were required. In addition, it was difficult to record data while reproducing data which was recorded by a different apparatus. The present invention has an objective of providing an information recording medium, a simultaneous recording and reproduction method, and an information recording and reproduction apparatus which guarantee simultaneous recording and reproduction. The simultaneous recording and reproduction is guaranteed by reproducing data recorded in an area having at least a minimum size fulfilling the simultaneous recording and reproduction condition which allows for four access operations, recording data in an area having at least the same size, and performing reproduction and recording alternately by switching reproduction to recording when the data amount in the reproduction buffer becomes full and switching recording to reproduction when the data amount in the recording buffer becomes empty.
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Hungarian Office Action for corresponding PCT Application No. PCT/JP02/08767, dated Oct. 26, 2004.
Bannai Tatsushi
Gotoh Yoshiho
Murase Kaoru
Sasaki Miyuki
Matsushita Electric - Industrial Co., Ltd.
Patel Gautam R.
Renner , Otto, Boisselle & Sklar, LLP
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