US3288930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide-band signal-translating channel
Assignee: Winston Research Corp
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Filing: 1964-11-12
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Granted: 1966-11-29
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Wayne R Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:02
CPC Classifications
H; H03; H03G; H03G9/00; H03G9/02; H03G9/12; H03G9/14; H03C; H03C3/00; H03C3/02; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/92; H04N5/923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A WIDE-BAND SIGNAL-TRANSLATING CHANNEL SUBJECT TO UNDESIRED BROAD-SPETRUM NOISE COMPRISING IN CASCADE, IN THE ORDER NAMED; AN INPUT CIRCUIT FOR SUPPLYING A SIGNAL WITHIN A GIVEN AMPLITUDE RANGE COMPRSING COMPONENTS WITHIN A WIDE BAND OF FREQUENCIES; A PRE-EMPHASIS CIRCUIT COUPLED TO SAID INPUT CIRCUIT AND HAVING A FREQUENCY-RESPONSE CHARACTERISTIC ACCENTUATING THE COMPONENTS OF A TRANSLATED SIGNAL AS A CONTINUOUS DIRECT FUNCTION OF THEIR FREQUENCIES; A SIGNAL-ATTENUATING CIRCUIT COUPLED TO SAID PRE-EMPHASIS CIRCUIT AND HAVING A NONLINEAR AMPLITUDE-RESPONSE CHARACTERISTIC OVER SAID AMPLITUDE RANGE AS MODIFIED BY SAID PRE-EMPHASIS CIRCUIT ACCENTUATING ATTENUATION OF HIGH-FREQUENCEY SIGNALS OF HIGH AMPLITUDE; A FREQUENCY-DISCRIMINATING SIGNAL-TRANSLATING CIRCUIT COUPLED TO SAID SIGNAL-ATTENUATING CIRCUIT HAVING A NONLINEAR AMPLITUDE-RESPONSE CHARACTERISTIC OVER THE AMPLITUDE RANGE OF THE SIGNALS APPLIED THERETO ACCENTUATING HIGH-FREQUENCY SIGNALS OF HIGH AMPLITUDE; AND A DE-EMPHASIS CIRCUIT COUPLED TO SAID FREQUENCYDISCRIMINATING CIRCUIT HAVING A FREQUENCY-RESPONSE CHARACTERISTIC WHICH IS SUBSTANTIALLY A CONTINUOUS INVERSE FUNCTION OF FREQUENCY.
Claim 2
Dependent Claim
147 words
A WIDE-BAND SIGNAL-TRANSLATING CHANNEL SUBJECT TO UNDESIRED BROAD-SPETRUM NOISE COMPRISING IN CASCADE, IN THE ORDER NAMED; AN INPUT CIRCUIT FOR SUPPLYING A SIGNAL WITHIN A GIVEN AMPLITUDE RANGE COMPRSING COMPONENTS WITHIN A WIDE BAND OF FREQUENCIES; A PRE-EMPHASIS CIRCUIT COUPLED TO SAID INPUT CIRCUIT AND HAVING A FREQUENCY-RESPONSE CHARACTERISTIC ACCENTUATING THE COMPONENTS OF A TRANSLATED SIGNAL AS A CONTINUOUS DIRECT FUNCTION OF THEIR FREQUENCIES; A SIGNAL-ATTENUATING CIRCUIT COUPLED TO SAID PRE-EMPHASIS CIRCUIT AND HAVING A NONLINEAR AMPLITUDE-RESPONSE CHARACTERISTIC OVER SAID AMPLITUDE RANGE AS MODIFIED BY SAID PRE-EMPHASIS CIRCUIT ACCENTUATING ATTENUATION OF HIGH-FREQUENCEY SIGNALS OF HIGH AMPLITUDE; A FREQUENCY-DISCRIMINATING SIGNAL-TRANSLATING CIRCUIT COUPLED TO SAID SIGNAL-ATTENUATING CIRCUIT HAVING A NONLINEAR AMPLITUDE-RESPONSE CHARACTERISTIC OVER THE AMPLITUDE RANGE OF THE SIGNALS APPLIED THERETO ACCENTUATING HIGH-FREQUENCY SIGNALS OF HIGH AMPLITUDE; AND A DE-EMPHASIS CIRCUIT COUPLED TO SAID FREQUENCYDISCRIMINATING CIRCUIT HAVING A FREQUENCY-RESPONSE CHARACTERISTIC WHICH IS SUBSTANTIALLY A CONTINUOUS INVERSE FUNCTION OF FREQUENCY.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |