High speed search device for standard definition video cassette

Details High speed search device for standard definition video cassette High speed search device for standard definition video cassette

1996-12-27

1999-02-16

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386109, 386124, 360 721, 360 8, H04N 5783

Patent

active

058728856

ABSTRACT:
A high speed search device for a video cassette recorder including a first data compressing unit for receiving data in units of predetermined bits and compressing the data so as to reduce it into a predetermined amount, an error correcting code inserting unit for inserting an error correcting code between the data, a modulator for modulating the data coded in accordance with a recording type, a record signal amplifier for amplifying the modulated data, a recording medium for recording the amplified data, a reproduction signal amplifier for amplifying the recorded data for reproduction, a demodulator for demodulating the data into its original form. The device further includes an error correcting/decoding unit for correcting and decoding the output of the demodulator with the inserted error correcting code, a first data decompressing unit for decompressing the compressed data into its original form, a second compressing unit for compressing the input data into a predetermined amount of data, a first cassette memory unit for storing the compressed data in a memory of a cassette, a second cassette memory unit for storing previous data, a second data decompressing unit for decompressing the data stored in the memory, and a micro-computer for controlling storage and decompression of data.

REFERENCES:
patent: 5432613 (1995-07-01), Lee
patent: 5493414 (1996-02-01), Inoue et al.
patent: 5532837 (1996-07-01), Ootaka et al.

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