Miniature sound recording and reproducing device

Claim 2

A miniature sound recording and reproducting device comprising a short length of magnetic tape, first reel means for holding certain portions of said magnetic tape, second reel means for also holding certain portions of said magnetic tape, one end of said magnetic tape being attached to said first reel means and the other end thereof being attached to said second reel means, spring means coupled to said first reel means for urging said first reel means in a rotational direction to wind portions of said tape onto said first reel means and unwind portions of said tape from said second reel means with said tape moving in a forward direction towards said first reel means, pull string means coupled to said second reel means for manuaLly urging said second reel means in a rotational direction to wind portions of said tape onto said second reel means and unwind portions of said tape from said first reel means against the force of said spring means with said tape means moving in a reverse direction towards said second reel means whereby upon release of said pull string means said spring means is effective to rewind portions of said tape onto said first reel means and unwind portions of said tape from said second reel means with said tape moving in said forward direction, recording and reproduction means for recording sounds onto said magnetic tape when said tape is moving in said forward direction and for reproducing the recorded sounds from said magnetic tape when said tape is subsequently moved in said forward direction, storage battery means for providing a voltage source to power said recording and reproduction means, first switch means having a record/erase position and a playback position for selectively activating the recording portion and the reproduction portion of the recording and reproduction means, and erase means for selectively erasing the recorded sounds from said magnetic tape means, said erase means including roller means, magnet means fixedly attached to said roller means, said roller means having idle and drive positions thereto, said magnet means having stowed and operable positions thereto, said magnet means contiguously engaging said magnetic tape when in said operable position, said roller means being movable between said idle and drive positions by said first switch means, and keeper means for holding said magnet means in said stowed position, said magnet means being moved from said stowed position to said operable position by fractional rotation of said roller means effected by frictional engagement thereof with said moving magnetic tape.

Claim 3

A miniature sound recording and reproducing device comprising a short length of magnetic tape, first reel means for holding certain portions of said magnetic tape, second reel means for also holding certain portions of said magnetic tape, one end of said magnetic tape being attached to said first reel means and the other end thereof being attached to said second reel means, spring means coupled to said first reel means for urging said first reel means in a rotational direction to wind portions of said tape onto said first reel means and unwind portions of said tape from said second reel means with said tape moving in a forward direction towards said first reel means, pull string means coupled to said second reel means for manually urging said second reel means in a rotational direction to wind portions of said tape onto said second reel means and unwind portions of said tape from said first reel means against the force of said spring means with said tape means moving in a reverse direction towards said second reel means whereby upon release of said pull string means said spring means is effective to rewind portions of said tape onto said first reel means and unwind portions of said tape from said second reel means with said tape moving in said forward direction, recording and reproduction means for recording sounds onto said magnetic tape when said tape is moving in said forward direction and for reproducing the recorded sounds from said magnetic tape when said tape is subsequently moved in said forward direction, storage battery means for providing a voltage source to power said recording and reproduction means, and first switch means having a record/erase position and a playback position for selectively activating the recording portion and the reproduction portion of the recording and reproduction means, means for selectively erasing the recorded sounds from said magnetic tape means, and tension switch means for conserving said storage battery means, said tension switch means having a power on position and a power off position, said power on position completing a circuit between said battery means and said recording and reproduction means, said power oFf position interrupting the circuit between said battery means and said recording and reproduction means, said tension switch means being biased toward said power on position with tension on said pull string means being effective to urge said tension switch means to said power off position.

Claim 4

A miniature sound recording and reproducing device comprising a short length of magnetic tape, first reel means for holding certain portions of said magnetic tape, second reel means for also holding certain portions of said magnetic tape, one end of said magnetic tape being attached to said first reel means and the other end thereof being attached to said second reel means, spring means coupled to said first reel means for urging said first reel means in a rotational direction to wind portions of said tape onto said first reel means and unwind portions of said tape from said second reel means with said tape moving in a forward direction towards said first reel means, pull string means coupled to said second reel means for manually urging said second reel means in a rotational direction to wind portions of said tape onto said second reel means and unwind portions of said tape from said first reel means against the force of said spring means with said tape means moving in a reverse direction towards said second reel means whereby upon release of said pull string means said spring means is effective to rewind portions of said tape onto said first reel means and unwind portions of said tape from said second reel means with said tape moving in said forward direction, recording and reproduction means for recording sounds onto said magnetic tape when said tape is moving in said forward direction and for reproducing the recorded sounds from said magnetic tape when said tape is subsequently moved in said forward direction, storage battery means for providing a voltage source to power said recording and reproduction means, and first switch means having a record/erase position and a playback position for selectively activating the recording portion and the reproduction portion of the recording and reproduction means, means for selectively erasing the recorded sounds from said magnetic tape means, and tension switch means for conserving said storage battery means, said tension switch means having a power on position and a power off position, said power on position completing a circuit between said battery means and said recording and reproduction means, said power oFf position interrupting the circuit between said battery means and said recording and reproduction means, said tension switch means being biased toward said power on position with tension on said pull string means being effective to urge said tension switch means to said power off position.

Claim 5

A miniature sound recording and reproducing device comprising a short length of magnetic tape, first reel means for holding certain portions of said magnetic tape, second reel means for also holding certain portions of said magnetic tape, one end of said magnetic tape being attached to said first reel means and the other end thereof being attached to said second reel means, spring means coupled to said first reel means for urging said first reel means in a rotational direction to wind portions of said tape onto said first reel means and unwind portions of said tape from said second reel means with said tape moving in a forward direction towards said first reel means, pull string means coupled to said second reel means for manually urging said second reel means in a rotational direction to wind portions of said tape onto said second reel means and unwind portions of said tape from said first reel means against the force of said spring means with said tape means moving in a reverse direction towards said second reel means whereby upon release of said pull string means said spring means is effective to rewind portions of said tape onto said first reel means and unwind portions of said tape from said second reel means with said tape moving in said forward direction, recording and reproduction means for recording sounds onto said magnetic tape when said tape is moving in said forward direction and for reproducing the recorded sounds from said magnetic tape when said tape is subsequently moved in said forward direction, storage battery means for providing a voltage source to power said recording and reproduction means, first switch means having a record/erase position and a playback position for selectively activating the recording portion and the reproduction portion of said recording and reproduction means, means for erasing the recorded sounds from said magnetic tape means; said erase means including roller means, magnet means fixedly attached to said roller means, said roller means having idle and drive positions thereto, said magnet means having stowed and operable positions thereto, said magnet means contiguously engaging said magnetic tape when in said operable position, said roller means being movable between said idle and drive positions by said first switch means, and keeper means for holding said magnet means in said stowed position, said magnet means being moved from said stowed position to said operable position by fractional rotation of said roller means effected by frictional engagement thereof with said moving magnetic tape; tension switch means for conserving said storage battery means, said tension switch means having a power on position and a power off position, said power on position completing a circuit between said battery means and said recording and reproduction means, said power off position interrupting the circuit between said battery means and said recording and reproduction means, said tension switch means being biased toward said power on position with tension on said pull string means being effective to urge said tension switch means to said power off position; and said recording and reproduction means including a magnetic record-playback head, means for urging a portion of said magnetic tape against said magnetic record-playback head while said magnetic tape is moving in said forward direction and for precluding said magnetic tape from engaging said magnetic record-playback head while said magnetic tape is moving in said reverse direction.

Claim 6

A miniature sound recording and reproducing device comprising a short length of magnetic tape, first reel means for holding certain portions of said magnetic tape, second reel means for also holding certain portions of said magnetic tape, one end of said magnetic tape being attached to said first reel means and the other end thereof being attached to said second reel means, spring means coupled to said first reel means for urging said first reel means in a rotational direction to wind portions of said tape onto said first reel means and unwind portions of said tape from said second reel means with said tape moving in a forward direction towards said first reel means, pull string means coupled to said second reel means for manually urging said second reel means in a rotational direction to wind portions of said tape onto said second reel means and unwind portions of said tape from said first reel means against the force of said spring means with said tape means moving in a reverse direction towards said second reel means whereby upon release of said pull string means said spring means is effective to rewind portions of said tape onto said first reel means and unwind portions of said tape from said second reel means with said tape moving in said forward direction, recording and reproduction means for recording sounds onto said magnetic tape when said tape is moving in said forward direction and for reproducing the recorded sounds from said magnetic tape when said tape is subsequently moved in said forward direction, storage battery means for providing a voltage source to power said recording and reproduction means, first switch means having a record/erase position and a playback position for selectively activating the recording portion and the reproduction portion of said recording and reproduction means, means for erasing the recorded sounds from said magnetic tape means; said erase means including roller means, magnet means fixedly attached to said roller means, said roller means having idle and drive positions thereto, said magnet means having stowed and operable positions thereto, said magnet means contiguously engaging said magnetic tape when in said operable position, said roller means being movable between said idle and drive positions by said first switch means, and keeper means for holding said magnet means in said stowed position, said magnet means being moved from said stowed position to said operable position by fractional rotation of said roller means effected by frictional engagement thereof with said moving magnetic tape; tension switch means for conserving said storage battery means, said tension switch means having a power on position and a power off position, said power on position completing a circuit between said battery means and said recording and reproduction means, said power off position interrupting the circuit between said battery means and said recording and reproduction means, said tension switch means being biased toward said power on position with tension on said pull string means being effective to urge said tension switch means to said power off position; and said recording and reproduction means including a magnetic record-playback head, means for urging a portion of said magnetic tape against said magnetic record-playback head while said magnetic tape is moving in said forward direction and for precluding said magnetic tape from engaging said magnetic record-playback head while said magnetic tape is moving in said reverse direction.