Tape recording apparatus
First Claim
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1. A tape recording apparatus having a tape guide drum on which the tape is helically wrapped, comprising:
- (a) recording transducer means including a pair of recording heads mounted on a rotary body of said tape guide drum at the same height but 180 degrees apart from each other relative to the rotational direction of said rotary body so as to form a plurality of skewed tracks on said tape;
(b) tape drive means for running said tape in both forward and reverse directions on command;
(c) first erase head means secured on said rotary body at a position lower than said recording transducer means for erasing a pair of said skewed tracks simultaneously when said tape is driven in the forward direction by said tape drive means; and
(d) second erase head means secured on said rotary body at a position higher than said recording transducer means for erasing a pair of said skewed tracks simultaneously when said tape is driven in the reverse direction of said rotary body.
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Abstract
In a tape recording apparatus having a rotary guide drum on which a tape is helically wrapped, a second erase head is secured on a rotary body included in the tape guide drum for erasing recorded tracks on the tape when the tape is driven in the reverse direction in addition to a first head secured on the rotary body for erasing recorded tracks on the tape when the tape is driven in the forward direction, whereby the erasing and recording operations can be made in both cases when the tape is moved in the forward direction and when it is moved in the reverse direction.
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Citations
15 Claims
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1. A tape recording apparatus having a tape guide drum on which the tape is helically wrapped, comprising:
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(a) recording transducer means including a pair of recording heads mounted on a rotary body of said tape guide drum at the same height but 180 degrees apart from each other relative to the rotational direction of said rotary body so as to form a plurality of skewed tracks on said tape; (b) tape drive means for running said tape in both forward and reverse directions on command; (c) first erase head means secured on said rotary body at a position lower than said recording transducer means for erasing a pair of said skewed tracks simultaneously when said tape is driven in the forward direction by said tape drive means; and (d) second erase head means secured on said rotary body at a position higher than said recording transducer means for erasing a pair of said skewed tracks simultaneously when said tape is driven in the reverse direction of said rotary body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A tape recording apparatus for recording signals on a magnetic tape, comprising:
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a rotary drum structurally adapted to receive said tape about a predetermined angular length thereof along a helical path thereon; tape driving means for driving said tape about said predetermined angular length on said drum, upon command, in either a forward running direction or in a reverse running direction; recording transducer means, including at least a first recording head and a second recording head, mounted relative to said rotary drum to form a plurality of skewed tracks on said tape, each of said tracks defining a plurality of recording segments thereon, each of which is suitable for audio or video recording; said first recording head and said second recording head having a predetermined width W and being located at a predetermined angular length apart at the same height relative to said drum to track an adjacent pair of said skewed tracks and to record on a selected one of said tracks when one of said first and second recording heads is energized; erasing means for said adjacent pair of said tracks, said erasing means comprising a forward mode erase head and a reverse mode erase head, each having a width of at least 2W, said erase heads being respectively located lower and higher than said first and said second recording heads and respectively angularly forward and aft of one of said recording heads by predetermined angular intervals; and means for selectively energizing said forward mode and said reverse mode erase heads when said tape is running in said forward or reverse directions, so than a signal is recorded on one of said tracks while at least a portion of said adjacent track is simultaneously erased by said energized erase head, said selectively energizing means permitting recording and erasing for either forward running or reverse running of said tape. - View Dependent Claims (12, 13, 14, 15)
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Specification