US3249688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit arrangement for use in color-television receivers
Assignee: US Philips Corp
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Filing: 1962-12-07
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Granted: 1966-05-03
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Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
- 👤 Davidse Jan
- 👤 Cornelissen Bernardus He Jozef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:05
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
MEANS FOR CONVERTING THE SUBCARRIER FREQUENCY OF COLOR TELEVISION SIGNALS MODULATED ON A SUBCARRIER WAVE FOR A TELEVISION RECEIVER OF THE TYPE HAVING A SINGLE BEAM INDEXING TUBE WITH AN ELECTRON GUN FOR MODULATING A SCANNING ELECTRON BEAM DIRECTED TOWARD A SCREEN, WHEREIN SAID SCREEN HAS A PLURALITY OF GROUPS OF PARALLEL COLOR STRIPS, INDEXING STRIPS MEANS PARALLEL WITH SAID COLOR STRIPS AND WITHIN THE AREA OF SAID GROUP, SAID RECEIVER FUTHER COMPRISING A SOURCE OF SAID COLOR TELEVISION SIGNALS MODULATED ON SAID SUBCARRIER WAVE, AND MEANS FOR DETECTING THE PASSAGE OF SAID BEAM ACROSS SAID INDEXING STRIPS TO PROVIDE INDEXING SIGNALS, SAID MEANS FOR CONVERTING THE SUBCARRIER FREQUENCY OF SAID COLOR TELEVISION SIGNALS COMPRISING MEANS FOR FREQUENCY MULTIPLYING SAID INDEXING SIGNALS, MEANS FOR DIVIDING SAID FREQUENCY MULTIPLIED SIGNALS, CONVERTER MEANS FOR CONVERTING SAID DIVIDED SIGNALS WITH SAID COLOR SIGNALS, MEANS FOR MIXING THE OUTPUT OF SAID CONVERTER MEANS WITH SAID MULTIPLIED SIGNALS, AND MEANS APPLYING THE OUTPUT OF SAID MIXING MEANS TO SAID ELECTRON GUN, THE FREQUENCY MULTIPLYING AND DIVIDING RATIOS OF SAID FREQUENCY MULTIPLYING MEANS AND DIVIDER RESPECTIVELY BEING DETERMINED BY THE RELATIONSHIP:
Claim 2
Dependent Claim
185 words
MEANS FOR CONVERTING THE SUBCARRIER FREQUENCY OF COLOR TELEVISION SIGNALS MODULATED ON A SUBCARRIER WAVE FOR A TELEVISION RECEIVER OF THE TYPE HAVING A SINGLE BEAM INDEXING TUBE WITH AN ELECTRON GUN FOR MODULATING A SCANNING ELECTRON BEAM DIRECTED TOWARD A SCREEN, WHEREIN SAID SCREEN HAS A PLURALITY OF GROUPS OF PARALLEL COLOR STRIPS, INDEXING STRIPS MEANS PARALLEL WITH SAID COLOR STRIPS AND WITHIN THE AREA OF SAID GROUP, SAID RECEIVER FUTHER COMPRISING A SOURCE OF SAID COLOR TELEVISION SIGNALS MODULATED ON SAID SUBCARRIER WAVE, AND MEANS FOR DETECTING THE PASSAGE OF SAID BEAM ACROSS SAID INDEXING STRIPS TO PROVIDE INDEXING SIGNALS, SAID MEANS FOR CONVERTING THE SUBCARRIER FREQUENCY OF SAID COLOR TELEVISION SIGNALS COMPRISING MEANS FOR FREQUENCY MULTIPLYING SAID INDEXING SIGNALS, MEANS FOR DIVIDING SAID FREQUENCY MULTIPLIED SIGNALS, CONVERTER MEANS FOR CONVERTING SAID DIVIDED SIGNALS WITH SAID COLOR SIGNALS, MEANS FOR MIXING THE OUTPUT OF SAID CONVERTER MEANS WITH SAID MULTIPLIED SIGNALS, AND MEANS APPLYING THE OUTPUT OF SAID MIXING MEANS TO SAID ELECTRON GUN, THE FREQUENCY MULTIPLYING AND DIVIDING RATIOS OF SAID FREQUENCY MULTIPLYING MEANS AND DIVIDER RESPECTIVELY BEING DETERMINED BY THE RELATIONSHIP:
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |