US4014043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cassette type magnetic recording and reproducing apparatus
Assignee: Panasonic Holdings Corp
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Filing: 1974-05-15
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Granted: 1977-03-22
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Expires: 1994-05-15
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 02:25
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/10; G11B27/34; G11B15/00; G11B15/675
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A cassette type magnetic recording and reproducing machine in which a tape is housed in a cassette, comprising: a. a cassette support; b. means for indicating the amount of feed of the tape in the cassette; and c. means, interposed between the cassette support and the indicating means, for automatically zero resetting the indicating means directly in response to movement of the cassette into the playing position of the tape, including, in electrical circuit, a power source, a switch which is closed on movement of the cassette into the playing position of the tape, an electromagnet which resets said indicating means, and a resistor and capacitor having a predetermined relatively short time constant, said electromagnet being operative for a relatively short time until said capacitor is charged.
Claim 2
Dependent Claim
127 words
A cassette type magnetic recording and reproducing machine in which a tape is housed in a cassette, comprising: a. a cassette support; b. means for indicating the amount of feed of the tape in the cassette; and c. means, interposed between the cassette support and the indicating means, for automatically zero resetting the indicating means directly in response to movement of the cassette into the playing position of the tape, including, in electrical circuit, a power source, a switch which is closed on movement of the cassette into the playing position of the tape, an electromagnet which resets said indicating means, and a resistor and capacitor having a predetermined relatively short time constant, said electromagnet being operative for a relatively short time until said capacitor is charged.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-21 | 1980-09-20 | 1981-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-21 | 1984-09-20 | 1985-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-21 | 1988-09-20 | 1989-03-22 | $7700.00 | Window Closed / Lapsed |