Recording and reproducing apparatus and recording and reproducing method
AssigneeSony Corporation
InventorsNobuyuki Nagai, Tadashi Ozue
Life of this patent
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Abstract
A helical-scan system performs recording and reproduction on a magnetic tape by using a recording and reproducing head 5 comprising m magnetic head elements 7 (where m is 2 or larger integer). During this recording and reproduction, the following relationships are satisfied among a track width W for each of the head elements 7, a track pitch Tp between the head elements 7, and a feed amount S for a magnetic tape 6. nW/2<Tp<2mW nTp−W<S<nTp+W (where n is an integer)
Claims5
A recording and reproducing apparatus comprising:
- a rotary drum provided with at least one recording and reproducing head having m head elements (where m is an integer 2 or greater) for recording and/or reproducing a magnetic signal on a magnetic recording medium;
- and
- a feed mechanism for wrapping a magnetic recording medium halfway around said rotary drum and feeding this magnetic recording medium at a specified feed speed,
- wherein
- said head elements are thin-film magnetic heads manufactured by thin-film formation technology, and
- the following relationships are satisfied for a track width W for each of said head elements, a track pitch Tp between said head elements being 5 μm or more, and
- a feed amount S for a magnetic recording medium fed by said feed mechanism until said recording and reproducing head scans the magnetic recording medium:
- mW/2<Tp<2mW
- nTp−W<S<nTp+W (where n is a positive non-zero integer).
A recording and reproducing method for performing helical-scan recording and/or reproduction for a magnetic recording medium by using a recording and reproducing apparatus comprising a rotary drum provided with at least one recording and reproducing head, wherein
- said recording and reproducing head uses a magnetic head comprising m head elements (where m is an integer 2 or greater) with each track width W and a track pitch Tp between said head elements being 5 μm or more and satisfying the following relationship:
- mW/2<Tp<2mW, and
- the following relationship being satisfied with respect to a feed amount S for a magnetic recording medium to be fed until said recording and reproducing head scans said magnetic recording medium:
- nTp−W<S<nTp+W (where n is a positive non-zero integer),
- and wherein said head elements are thin-film magnetic heads manufactured by thin-film formation technology.
Dependencies are inferred from the claim text.