US3751043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape magazine for recorder/reproducer
Assignee: Viatron Computer Systems Corp
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Filing: 1970-03-23
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Granted: 1973-08-07
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Expires: 1990-03-23
Abstract
Abstract A magazine or cassette is disclosed of the type having a hollow case containing a magnetic recording tape arranged for being driven back and forth between spaced hubs positioned within the casing. The path of the tape from one hub to the other runs adjacent to one narrow sidewall of the case so that the tape is exposed to recorder/reproducer heads through one or more apertures in that sidewall. The magazine is adapted for high speed two directional multi-speed tape operation with digital or other computers and includes an improved low friction skew resisting tape mounting including a pair of low friction shim members positioned between the tape and the casing walls. The magazine is also adapted for hub drive of the tape in both directions within the casing and includes improved integral control devices on the casing for precision insertion and for protecting against double recording and against improper insertion of the magazine into the recorder/reproducer.
Inventors
- 👤 G Bracci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:15
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G11B23/08707; G11B23/08757; G11B23/08771; G11B23/08714; G11B23/08764
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
183 words
In a magazine for recorder/reproducer tape in which the tape is passed within a hollow casing between spaced hubs rotatively mounted within the casing and where apertures are provided in a side wall of the casing adjacent to a portion of the tape path between the hubs, the improvement comprising an elongated shieldlike partition within said casing extending generally parallel to and spaced from said apertured side wall and formed with arcuate ends, and a pair of arcuate stationary metallic non-magnetic tape guide members positioned at opposite ends of said partition snugly surrounding respective ones of said arcuate ends for guiding the tape around the ends of said partition, pressure pads positioned within said casing adjacent one or more of said apertures, and resilient mounting means for said pads, said resilient mounting means comprising an elongated spring, slot forming means on said casing loosely confining one end of said spring allowing movement of said one end in a direction parallel to said apertured side wall, and means on said casing engaging the opposite end of said spring for keeping said opposite end fixed.
Claim 2
Dependent Claim
183 words
In a magazine for recorder/reproducer tape in which the tape is passed within a hollow casing between spaced hubs rotatively mounted within the casing and where apertures are provided in a side wall of the casing adjacent to a portion of the tape path between the hubs, the improvement comprising an elongated shieldlike partition within said casing extending generally parallel to and spaced from said apertured side wall and formed with arcuate ends, and a pair of arcuate stationary metallic non-magnetic tape guide members positioned at opposite ends of said partition snugly surrounding respective ones of said arcuate ends for guiding the tape around the ends of said partition, pressure pads positioned within said casing adjacent one or more of said apertures, and resilient mounting means for said pads, said resilient mounting means comprising an elongated spring, slot forming means on said casing loosely confining one end of said spring allowing movement of said one end in a direction parallel to said apertured side wall, and means on said casing engaging the opposite end of said spring for keeping said opposite end fixed.
Claim 3
Dependent Claim
82 words
The magazine as claimed in claim 1 in which said casing comprises a top and bottom portion each comprising a generally flat outer wall and depending side wall portions forming the side walls and the side wall having said apertures being a front side wall with the height of one of the front side wall portions greater than that of the other front side wall portion so that the parting line between said portions is clear of the surface of said tape.
Claim 4
Dependent Claim
120 words
In a magazine for recording tape in which the tape is passed within a hollow casing between spaced hubs rotatively mounted within the casing and where apertures are provided in a side wall of the casing adjacent to a portion of the tape path between the hubs, the improvement comprising, pressure pad means positioned within said casing adjacent at least one of said apertures, elongated spring means carrying said pressure pad means, slot forming means on said casing loosely confining one end of said spring means allowing movement of said one end in a direction parallel to said apertured side wall, and means on said casing engaging the opposite ends of said spring means to keep said opposite end fixed.
Claim 5
Dependent Claim
120 words
In a magazine for recording tape in which the tape is passed within a hollow casing between spaced hubs rotatively mounted within the casing and where apertures are provided in a side wall of the casing adjacent to a portion of the tape path between the hubs, the improvement comprising, pressure pad means positioned within said casing adjacent at least one of said apertures, elongated spring means carrying said pressure pad means, slot forming means on said casing loosely confining one end of said spring means allowing movement of said one end in a direction parallel to said apertured side wall, and means on said casing engaging the opposite ends of said spring means to keep said opposite end fixed.
Claim 6
Dependent Claim
101 words
The magazine as claimed in claim 3 in which said casing comprises a top and a bottom portion each comprising a generally flat outer wall and depending side walls, and a removable tab in the flat outer wall of one of said portions positioned to activate a write switch when the magazine is placed in a recorder/reproducer, the other of said portions being formed with a notch opposite said removable tap for accommodating a switch arm of a recorder/reproducer to deactivate the latter when said magazine is inserted therein with said tab spaced from said write switch by said other portion.
Claim 7
Dependent Claim
47 words
The magazine as claimed in claim 4 in which the apertured side wall is formed by depending side wall portions on said outer walls which engage each other along a parting line spaced laterally of the tape whereby said tape engages no portion of the parting line.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |