US3286177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for analyzing peaks by determining the contribution of individual peaks to the whole signal utilizing voltage to frequency to voltage conversion
Assignee: Shell USA Inc
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Filing: 1962-10-31
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Granted: 1966-11-15
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Boer Hendrik
- 👤 Schuringa Albertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:56
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G06G7/163; G01; G01N; G01N30/00; G01N30/02; G01N30/86; G01N30/8603; G06G7/48; G06G7/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
APPARATUS FOR ANALYZING A SIGNAL CONTAINING A PLURALITY OF PEAKS EACH OF WHICH REPRESENTS THE QUANTITY OF ONE OF A PLURALITY OF SUBSTANCES DETERMINED BY A CHROMATOGRAPHIC SEPARATION COMPRISING: (A) MEANS FOR CONVERTING SAID SIGNAL TO A PLURALITY OF ELECTRICAL IMPULSES THE FREQUENCY OF WHICH IS PROPORTIONAL TO THE MOMENTARY MAGNITUDE OF SAID SIGNAL, SAID ELECTRICAL IMPULSES OCCURRING IN GROUPS WITH EACH GROUP CORRESPONDING TO ONE OF THE PEAKS IN THE SIGNAL; (B) STORAGE MEANS CONNECTED TO THE OUTPUT OF SAID CONVERTING MEANS FOR STORING SAID PLURALITY OF ELECTRICAL IMPULSES; (C) A VARIABLE RESISTOR; (D) TRANSLATING MEANS CONNECTED TO THE OUTPUT OF SAID STORAGE MEANS FOR VARYING THE RESISTOR TO A VALUE OF RESISTANCE CORRESPONDING TO THE NUMBER OF IMPULSES RECEIVED; (E) CIRCUIT MEANS CONNECTED IN SERIES WITH SAID RESISTOR
Claim 2
Dependent Claim
130 words
APPARATUS FOR ANALYZING A SIGNAL CONTAINING A PLURALITY OF PEAKS EACH OF WHICH REPRESENTS THE QUANTITY OF ONE OF A PLURALITY OF SUBSTANCES DETERMINED BY A CHROMATOGRAPHIC SEPARATION COMPRISING: (A) MEANS FOR CONVERTING SAID SIGNAL TO A PLURALITY OF ELECTRICAL IMPULSES THE FREQUENCY OF WHICH IS PROPORTIONAL TO THE MOMENTARY MAGNITUDE OF SAID SIGNAL, SAID ELECTRICAL IMPULSES OCCURRING IN GROUPS WITH EACH GROUP CORRESPONDING TO ONE OF THE PEAKS IN THE SIGNAL; (B) STORAGE MEANS CONNECTED TO THE OUTPUT OF SAID CONVERTING MEANS FOR STORING SAID PLURALITY OF ELECTRICAL IMPULSES; (C) A VARIABLE RESISTOR; (D) TRANSLATING MEANS CONNECTED TO THE OUTPUT OF SAID STORAGE MEANS FOR VARYING THE RESISTOR TO A VALUE OF RESISTANCE CORRESPONDING TO THE NUMBER OF IMPULSES RECEIVED; (E) CIRCUIT MEANS CONNECTED IN SERIES WITH SAID RESISTOR
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |