Patent US3943558A successfully refreshed from Google Patents.
US3943558A
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Apparatus for reproducing colored still picture image
Assignee: Panasonic Holdings Corp
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Filing: 1973-09-10
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Granted: 1976-03-09
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Expires: 1993-09-10
Abstract
Abstract An apparatus in which a luminance signal is recorded onto a first storage tube, the two chrominance signals are compressed to one-half, respectively, in time axis to record alternately such compressed chrominance signals onto a second storage tube, and the signals are repeatedly read out from the first and second storage tubes in order to reproduce the colored still picture image, thereby reproducing the picture image without deteriorating resolution and setting up the apparatus to be free from trouble.
Inventors
- 👤 Yoshiteru Izura
- 👤 Keisuke Okano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:43
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/4448
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
118 words
An apparatus for reproducing a colored still picture image comprising: a first signal storage tube for recording the luminance signal, a circuit for compressing two kinds of chrominance signals in the time axis respectively, and for converting the compressed signals into time-sequential signals by alternately taking out the compressed signals, a second signal storage tube for recording the time-sequential signals, a circuit for expanding the signal read out from said second signal storage tube in the time axis, and for separating the signal into two kinds of chrominance signals, and means for reproducing a colored still picture from the two kinds of expanded and separated chrominance signals and from the signal read out from said first storage tube.
Claim 2
Independent Claim
118 words
An apparatus for reproducing a colored still picture image comprising: a first signal storage tube for recording the luminance signal, a circuit for compressing two kinds of chrominance signals in the time axis respectively, and for converting the compressed signals into time-sequential signals by alternately taking out the compressed signals, a second signal storage tube for recording the time-sequential signals, a circuit for expanding the signal read out from said second signal storage tube in the time axis, and for separating the signal into two kinds of chrominance signals, and means for reproducing a colored still picture from the two kinds of expanded and separated chrominance signals and from the signal read out from said first storage tube.
Claim 3
Dependent Claim
101 words
An apparatus for reproducing a colored still picture image as set forth in claim 1, wherein the circuit for compressing and converting the signals compresses each of the two chrominance signals in the time axis to half scale, and further the circuit for compressing and converting comprises means for delaying one of the two compressed chrominance signals by one-half of the horizontal scan period means for delaying the other chrominance signal by one horizontal scan period, and means for inserting the two compressed chrominance signals, each corresponding to the chrominance signal for one horizontal scanning period, in each horizontal scanning period.
Claim 4
Dependent Claim
105 words
An apparatus for reproducing colored still picture image as set forth in claim 2, wherein one of the two compressed chrominance signals is delayed by one-half of the horizontal scanning period and the other is delayed by one horizontal scanning period, said apparatus comprising means for converting the two compressed chrominance signals into the time-sequential signals, and said apparatus further comprising a means which delays the luminance signal reproduced by said first storage tube by one horizontal scanning period, and wherein a colored still picture is reproduced from said delayed luminance signal and the two chrominance signals obtained by said circuit for expanding and separating.
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) | 1979-03-09 | 1979-09-08 | 1980-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-09 | 1983-09-08 | 1984-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-09 | 1987-09-08 | 1988-03-09 | $7700.00 | Window Closed / Lapsed |