US4480273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information recording device
Assignee: Canon Inc
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Filing: 1981-12-29
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Granted: 1984-10-30
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Expires: 2001-12-29
Abstract
Abstract An information recording device by means of which the information signal such as the picture signal, the sound signal and others are recorded on a recording medium and the information reproduced from the recording medium on which the information has been registered and that from other sources is recorded again on the same recording medium selectively either individually or mixed.
Inventors
- 👤 Makoto Fujiki
- 👤 Makoto Takayama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:13
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/02; G11B27/022; G11B27/029; H; H04; H04N; H04N9/00; H04N9/79; H04N9/80; H04N9/82; H04N9/83; H04N9/835; H04N9/8355; G11B2220/00; G11B2220/90; G11B27/024
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
81 words
A signal reproducing apparatus comprising: first reproducing means for reproducing a mixed signal consisting of a picture signal and a first sound signal from a first area of a tape-shaped recording medium; second reproducing means for reproducing a second sound signal from a second area of the medium; separating means for separating the first sound signal from the mixed signal reproduced by said first reproducing means; and output means for selectively outputting the first sound signal and the second sound signal.
Claim 2
Dependent Claim
81 words
A signal reproducing apparatus comprising: first reproducing means for reproducing a mixed signal consisting of a picture signal and a first sound signal from a first area of a tape-shaped recording medium; second reproducing means for reproducing a second sound signal from a second area of the medium; separating means for separating the first sound signal from the mixed signal reproduced by said first reproducing means; and output means for selectively outputting the first sound signal and the second sound signal.
Claim 3
Dependent Claim
26 words
An apparatus according to claim 1, further comprising: control means for controlling said output means on the basis of the output of said second reproducing means.
Claim 4
Dependent Claim
30 words
An apparatus according to claim 2, wherein when said second reproducing means reproduces the second sound signal, said control means controls said output means to output said second sound signal.
Claim 5
Dependent Claim
122 words
A signal recording and reproducing apparatus comprising: mixing means for mixing a picture signal and a first sound signal to form a mixed signal; first recording means for recording the mixed signal on a first area of a recording medium; second recording means for recording a second sound signal on a second area of the recording medium; first reproducing means for reproducing the mixed signal from the first area of the recording medium; second reproducing means for reproducing the second sound signal from the second area of the recording medium; separating means for separating the first signal from the mixed signal reproduced by said first reproducing means; and output means for selectively outputting the first sound signal and the second sound signal.
Claim 6
Dependent Claim
122 words
A signal recording and reproducing apparatus comprising: mixing means for mixing a picture signal and a first sound signal to form a mixed signal; first recording means for recording the mixed signal on a first area of a recording medium; second recording means for recording a second sound signal on a second area of the recording medium; first reproducing means for reproducing the mixed signal from the first area of the recording medium; second reproducing means for reproducing the second sound signal from the second area of the recording medium; separating means for separating the first signal from the mixed signal reproduced by said first reproducing means; and output means for selectively outputting the first sound signal and the second sound signal.
References Cited (Backward Citations)
US3482038A
Cited
US4353098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-10-30 | 1988-04-30 | 1988-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-30 | 1992-04-30 | 1992-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-30 | 1996-04-30 | 1996-10-30 | $7700.00 | Window Closed / Lapsed |