Patent US4865416A successfully refreshed from Google Patents.
Patent US3267207A successfully refreshed from Google Patents.
US3267207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television system conversion device
Assignee: NEC Corp
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Filing: 1962-09-20
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Granted: 1966-08-16
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Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 Okazaki Masatoshi
- 👤 Inaba Masao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:43
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/20; H04N11/22; H04N7/00; H04N7/01; H04N7/0105; H04N7/011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
REVERSIBLE MEANS FOR USE IN CONVERTING BETWEEN VIDEO SIGNALS OF THE SIMULTANEOUS TYPE AND VIDEO SIGNALS OF THE LINE SEQUENTIAL TYPE COMPRISING A RECORDING MEDIUM; MEANS FOR RECORDING AT LEAST TWO PRIMARY COLOR SIGNALS SIMULTANEOUSLY IN PARALLEL COLUMNS IN SAID RECORDING MEDIUM; READOUT MEANS ADAPTED TO SCAN EACH OF SAID COLUMNS SEQUENTIALLY TO GENERATE SAID LINE SEQUENTIAL SIGNALS, SAID RECORDING MEANS COMPRISING MEANS FOR CONVERTING A COMPOSITE VIDEO SIGNAL OF THE SIMULTANEOUS TYPE INTO AT LEAST TWO INDEPENDENT PRIMARY COLOR SIGNALS, SAID RECORDING MEDIUM BEING A MAGNETIC STORAGE MEANS, SAID RECORDING MEANS COMPRISING AT LEAST TWO MAGNETIC RECORDING HEADS FOR RECORDING SAID INDEPENDENT PRIMARY COLOR SIGNALS IN SAID MAGNETIC STORAGE MEANS, MEANS FOR MOVING SAID MAGNETIC STORAGE MEANS LINEARLY RELATIVE TO SAID RECORDING MEANS; MEANS FOR ROTATING SAID MAGNETIC RECORDING HEADS, THE PLANE OF ROTATION OF SAID RECORDING HEADS BEING TRANSVERSE TO THE DIRECTION OF MOVEMENT OF SAID MAGNETIC STORAGE MEANS; MEANS FOR DEMODULATING THE RECORDED PRIMARY COLOR SIGNALS; SWITCH MEANS OPERATIVE TO ISOLATE SAID RECORDING MEANS FROM SAID COMPOSITE VIDEO SIGNALS AND TO CONNECT SAID READOUT MEANS WITH SAID DEMODULATING MEANS.
Claim 2
Dependent Claim
182 words
REVERSIBLE MEANS FOR USE IN CONVERTING BETWEEN VIDEO SIGNALS OF THE SIMULTANEOUS TYPE AND VIDEO SIGNALS OF THE LINE SEQUENTIAL TYPE COMPRISING A RECORDING MEDIUM; MEANS FOR RECORDING AT LEAST TWO PRIMARY COLOR SIGNALS SIMULTANEOUSLY IN PARALLEL COLUMNS IN SAID RECORDING MEDIUM; READOUT MEANS ADAPTED TO SCAN EACH OF SAID COLUMNS SEQUENTIALLY TO GENERATE SAID LINE SEQUENTIAL SIGNALS, SAID RECORDING MEANS COMPRISING MEANS FOR CONVERTING A COMPOSITE VIDEO SIGNAL OF THE SIMULTANEOUS TYPE INTO AT LEAST TWO INDEPENDENT PRIMARY COLOR SIGNALS, SAID RECORDING MEDIUM BEING A MAGNETIC STORAGE MEANS, SAID RECORDING MEANS COMPRISING AT LEAST TWO MAGNETIC RECORDING HEADS FOR RECORDING SAID INDEPENDENT PRIMARY COLOR SIGNALS IN SAID MAGNETIC STORAGE MEANS, MEANS FOR MOVING SAID MAGNETIC STORAGE MEANS LINEARLY RELATIVE TO SAID RECORDING MEANS; MEANS FOR ROTATING SAID MAGNETIC RECORDING HEADS, THE PLANE OF ROTATION OF SAID RECORDING HEADS BEING TRANSVERSE TO THE DIRECTION OF MOVEMENT OF SAID MAGNETIC STORAGE MEANS; MEANS FOR DEMODULATING THE RECORDED PRIMARY COLOR SIGNALS; SWITCH MEANS OPERATIVE TO ISOLATE SAID RECORDING MEANS FROM SAID COMPOSITE VIDEO SIGNALS AND TO CONNECT SAID READOUT MEANS WITH SAID DEMODULATING MEANS.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |