US4135316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape cassettes having indications for blind use
Assignee: Olympus Corp
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Filing: 1977-09-19
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Granted: 1979-01-23
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Expires: 1997-09-19
Abstract
Abstract A tape cassette is provided with a recess or projection indicative of the front or rear side of the cassette, the playing time of the tape contained, the running speed of the tape or the like, which recess or projection is disposed along the peripheral edge of a window formed in a label applied to either surface or to both surfaces of the cassette and which can be utilized for tactile determination of the front or rear side of the cassette, the kind of the tape contained or the like by the blind.
Inventors
- 👤 Shoichi Saito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:24
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G11B23/08707; G11B23/0875; G09; G09B; G09B21/00; G09B21/001; G09B21/003; G11B27/00; G11B27/10; G11B27/34; Y; Y10; Y10S; Y10S116/00; Y10S116/17
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
113 words
A tape cassette having at least one finger readable marking, comprising: a cassette housing formed by front and rear cassette members (2, 3); a finger readable recess (8) formed in the periphery of one of said front and rear members, said recess being formed of a transparent material and being indicative of the location of the front and rear surface of said cassette; and visual indicia (9a) formed on the inner surface of said transparent material at the location of said recess such that said visual indicia may be viewed from the exterior of said cassette, said visual indicia being indicative of the location of said front and rear surface of said cassette.
Claim 2
Dependent Claim
113 words
A tape cassette having at least one finger readable marking, comprising: a cassette housing formed by front and rear cassette members (2, 3); a finger readable recess (8) formed in the periphery of one of said front and rear members, said recess being formed of a transparent material and being indicative of the location of the front and rear surface of said cassette; and visual indicia (9a) formed on the inner surface of said transparent material at the location of said recess such that said visual indicia may be viewed from the exterior of said cassette, said visual indicia being indicative of the location of said front and rear surface of said cassette.
Claim 3
Dependent Claim
182 words
The tape cassette of claim 1 wherein one of said front and rear cassette members has at least one major surface and wherein said cassette further comprises: a transparent window formed in said at least one major surface, said transparent window being located at a position relative to the position of the magnetic recording tape housed in said cassette which will permit viewing of the movement of at least a portion of said tape in said cassette; a label applied to said at least one major surface of said cassette, said label having an opening therein, said opening being defined by inner peripheral edges of said label and overlapping said transparent window a sufficient amount to permit viewing of the movement of at least a portion of said tape, said label also including at least one finger readable tape-identifying indicia formed along and defined by said inner peripheral edges of said label, the shape and number of said at least one finger readable indicia being indicative of some quality of said tape such as the total playing time or running speed thereof.
Claim 4
Dependent Claim
33 words
A tape cassette according to claim 2, wherein said at least one finger readable indicia comprises a projection formed along said inner peripheral edges of and defined in the plane of said label.
Claim 5
Dependent Claim
39 words
A tape cassette according to claim 2, wherein the presence or absence of a second projection formed along an opposing edge of said inner peripheral edges from a first projection is indicative of the running speed of said tape
Claim 6
Dependent Claim
27 words
A tape cassette according to claim 2, wherein a single projection formed along said inner peripheral edges of said label indicates a playing time of 90 minutes.
Claim 7
Dependent Claim
33 words
A tape cassette according to claim 2, wherein said at least one finger readable indicia comprises an indentation formed along said inner peripheral edges of and defined in the plane of said label.
Claim 8
Dependent Claim
26 words
A tape cassette according to claim 2, wherein two projections formed along said inner peripheral edges of said label indicate a playing time of 120 minutes.
Claim 9
Dependent Claim
29 words
A tape cassette according to claim 7, wherein a single, relatively large recess formed along said inner peripheral edges of said label indicates a playing time of 15 minutes.
Claim 10
Dependent Claim
28 words
A tape cassette according to claim 7, wherein a single triangular notch formed along said inner peripheral edges of said label indicates a playing time of 45 minutes.
Claim 11
Dependent Claim
29 words
A tape cassette according to claim 7, wherein a pair of triangular notches formed along said inner peripheral edges of said label indicates a playing time of 30 minutes.
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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) | 1982-01-22 | 1982-07-24 | 1983-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-22 | 1986-07-24 | 1987-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-22 | 1990-07-24 | 1991-01-23 | $7700.00 | Window Closed / Lapsed |