US3872509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cassette type magnetic recording and reproducing apparatus
Assignee: Panasonic Holdings Corp
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Filing: 1970-09-11
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Granted: 1975-03-18
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Expires: 1990-09-11
Abstract
Abstract A cassette type magnetic recording and reproducing apparatus provided with a means to indicate the amount of progress of the cassette tape. The indicating means is adapted to be reset to the zero position in association with the action of bringing a tape cassette for the recording or playback either into or out of its preset playback position.
Inventors
- 👤 Tetsuji Yoshii
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:33
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/10; G11B27/34; G11B15/00; G11B15/675
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
In a cassette type magnetic recording and reproducing machine comprising: a. a cassette support; b. means for indicating the amount of progress of the tape in a cassette; and c. means, interposed between the cassette support and the indicating means, for automatically zero resetting the indicating means directly upon relative movement of the cassette with respect to the playing position of the cassette tape in the machine, said means for automatically zero resetting including means for detecting insertion of the cassette into the machine and means for zero resetting when the cassette is removed from the playing position of the tape, said detecting means including means for ensuring that the cassette is correctly positioned in the playing position of the tape.
Claim 2
Dependent Claim
121 words
In a cassette type magnetic recording and reproducing machine comprising: a. a cassette support; b. means for indicating the amount of progress of the tape in a cassette; and c. means, interposed between the cassette support and the indicating means, for automatically zero resetting the indicating means directly upon relative movement of the cassette with respect to the playing position of the cassette tape in the machine, said means for automatically zero resetting including means for detecting insertion of the cassette into the machine and means for zero resetting when the cassette is removed from the playing position of the tape, said detecting means including means for ensuring that the cassette is correctly positioned in the playing position of the tape.
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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) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |