Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel
Reexamination Certificate
2008-05-13
2008-05-13
Dinh, Tan (Department: 2627)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Control of information signal processing channel
C369S053330
Reexamination Certificate
active
07372791
ABSTRACT:
The present invention is directed to a recording/reproducing apparatus having a Read After Write function which simultaneously performs recording operation and reproduction operation, and is such that, in a reproducing system (120) of a tape streamer (100) which performs Read After Write operation for signals through a magnetic tape (105), the apparatus serves to distribute reproduction signals obtained from the magnetic tape by a first data distribution switch (133) to store signals thus distributed into frame memories (135A), (135B) of 2 channels, and to distribute a recording signal from a recording system (110) by a second data distribution switch (134) as cause signals of crosstalk signals included in reproduction signals to store signals thus distributed into frame memories to generate pseudo crosstalk signals of respective channels by crosstalk cancellers (136A), (136B) on the basis of reproduction signals and cause signals of respective channels which are read out from the frame memories to cancel, every channel, crosstalk signals included in reproduction signals of respective channels.
REFERENCES:
patent: 5521945 (1996-05-01), Knudson
patent: 5991108 (1999-11-01), Ohta
patent: 6421196 (2002-07-01), Takayama et al.
patent: 60-52902 (1985-03-01), None
patent: 3-232103 (1991-10-01), None
patent: 10-177701 (1998-06-01), None
Chu Kim-Kwok
Dinh Tan
Frommer William S.
Frommer & Lawrence & Haug LLP
Presson Thomas F.
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