Magnetic tape recording and reproducing apparatus for digital si

Details Magnetic tape recording and reproducing apparatus for digital si Magnetic tape recording and reproducing apparatus for digital si

1992-07-06

1994-11-01

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358313, 348441, H04N 576

Patent

active

053611357

ABSTRACT:
To record and reproduce appropriately video signals of PAL system as still picture in a magnetic tape recording and reproducing apparatus. As still picture data, video signals for one field or two fields of PAL system recorded in a magnetic tape after once stored in memories at the time of recording are read out when reproducing and stored simultaneously once in the memories. When storing the still picture data for one field, the still picture data of one field, and the still picture data for one false field which excludes the data of specific scanning lines from the still picture data are repeatedly read out from the memories. When storing the still picture data for two fields, the still picture data for the two fields, and the still picture data for two false fields which excludes the data in specific scanning lines from the still picture data are repeatedly read out from the memories, so that the number of scanning lines in phase face to face in the still picture data may be an even number.

REFERENCES:
patent: 4283736 (1981-08-01), Morio et al.
patent: 4288810 (1981-09-01), Drewery et al.
patent: 4430675 (1984-02-01), Fujime
patent: 4788604 (1988-11-01), Takeuchi
patent: 4816929 (1989-03-01), Bradley et al.
patent: 5031040 (1991-07-01), Maruyama
patent: 5063437 (1991-11-01), Owashi et al.

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