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US3608908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape-viewing device in magnetic tape recorder of magazine type
Assignee: Panasonic Holdings Corp
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Filing: 1968-03-08
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Granted: 1971-09-28
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Expires: 1988-03-08
Abstract
Abstract A tape recorder of the magazine type adapted to operate with a tape magazine of the kind in which a magnetic tape supplied from one reel is taken up on the other, having means through which the interior of the tape recorder body, hence the relative amount of the tape on the reels within the magazine can clearly be seen only when the magazine is inserted into the tape recorder body.
Inventors
- 👤 Kozo Yamamoto
- 👤 Morihisa Naito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:24
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/675; G11B15/6751; G11B15/67513
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
315 words
A tape recorder of the magazine type comprising: a frame member having an opening therein to receive a magazine; a movable body, said movable body including means to drive the tape within the magazine, said movable body further including tapetransducing means; means for pivotally and linearly movably supporting said movable body, comprising guiding means connected to said movable body, means defining arcuate slots in said frame member, and means defining slots in said frame member extending in the same direction as that in which said magazine is inserted, all said slots being adapted to receive said guiding means; means biasing said movable body to an inoperative position whereby insertion of a magazine into said opening causes said guiding means to move within said slots, causing said movable body to be disposed in operative relationship with the magazine; a record lever extending into said frame member; a lug located on said record lever; means defining a cutout on either side of said lug on said record lever; a pivotal locking member pivoted at one end thereof to one of said guiding means moving in one of said arcuate slots, and at the other end to said frame member; an engaging strip mounted on said locking member, said engaging strip being adapted to move into one of said cutouts when said movable body is disposed in operative relationship with said magazine; aligned upper and lower transparent windows of said magazine enabling viewing of a tape roll within said magazine, viewing means provided on said casing in registered relation with said windows of said magazine in said operative position, thereby exposing a tape roll contained in said magazine through said windows to view, and optical reflecting means disposed on the surface of said movable body beneath said lower window in said operative position, thereby facilitating the viewing of the state of winding and unwinding of said tape roll.
Claim 2
Dependent Claim
315 words
A tape recorder of the magazine type comprising: a frame member having an opening therein to receive a magazine; a movable body, said movable body including means to drive the tape within the magazine, said movable body further including tapetransducing means; means for pivotally and linearly movably supporting said movable body, comprising guiding means connected to said movable body, means defining arcuate slots in said frame member, and means defining slots in said frame member extending in the same direction as that in which said magazine is inserted, all said slots being adapted to receive said guiding means; means biasing said movable body to an inoperative position whereby insertion of a magazine into said opening causes said guiding means to move within said slots, causing said movable body to be disposed in operative relationship with the magazine; a record lever extending into said frame member; a lug located on said record lever; means defining a cutout on either side of said lug on said record lever; a pivotal locking member pivoted at one end thereof to one of said guiding means moving in one of said arcuate slots, and at the other end to said frame member; an engaging strip mounted on said locking member, said engaging strip being adapted to move into one of said cutouts when said movable body is disposed in operative relationship with said magazine; aligned upper and lower transparent windows of said magazine enabling viewing of a tape roll within said magazine, viewing means provided on said casing in registered relation with said windows of said magazine in said operative position, thereby exposing a tape roll contained in said magazine through said windows to view, and optical reflecting means disposed on the surface of said movable body beneath said lower window in said operative position, thereby facilitating the viewing of the state of winding and unwinding of said tape roll.
Claim 3
Dependent Claim
58 words
A tape recorder of the magazine type according to claim 1, further comprising a cover of an opaque material slidably covering the outer surface of said frame member, and means for slidably moving said cover in synchronous relation with the insertion or withdrawal of said magazine to thereby permit the viewing of said tape roll in said magazine.
References Cited (Backward Citations)
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Cited
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US3394898A
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US3439919A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |