US3206672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining the transfer function of the four terminal linear electrical system
Assignee: WAYNE KERR LAB Ltd
•
Filing: 1961-01-09
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Granted: 1965-09-14
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Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Gouriet Geoffrey George
- 👤 Levinge Rodney Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:50
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/28; G01R27/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
APPARATUS FOR DETERMINING THE TRANSFER FUNCTION OF AN ELECTRICAL SYSTEM COMPRISING A PHASE AND AMPLITUDE COMPARATOR HAVING FIRST AND SECOND INPUTS, AND MEANS FOR FEEDING AN ELECTRICAL SIGNAL HAVING A CHANGING AMPLITUDE AND AT LEAST THE FIRST DERIVATIVE THEREOF IN ADJUSTABLE PROPORTIONS TO SAID FIRST INPUT AND SAID SYSTEM UNDER TEST AND MEANS FOR FEEDING THE OUTPUT OF THE SYSTEM UNDER TEST TO THE OTHER INPUT OF THE COMPARATOR.
Claim 2
Dependent Claim
69 words
APPARATUS FOR DETERMINING THE TRANSFER FUNCTION OF AN ELECTRICAL SYSTEM COMPRISING A PHASE AND AMPLITUDE COMPARATOR HAVING FIRST AND SECOND INPUTS, AND MEANS FOR FEEDING AN ELECTRICAL SIGNAL HAVING A CHANGING AMPLITUDE AND AT LEAST THE FIRST DERIVATIVE THEREOF IN ADJUSTABLE PROPORTIONS TO SAID FIRST INPUT AND SAID SYSTEM UNDER TEST AND MEANS FOR FEEDING THE OUTPUT OF THE SYSTEM UNDER TEST TO THE OTHER INPUT OF THE COMPARATOR.
References Cited (Backward Citations)
GB722205A
Cited
US2881388A
Cited
US2924777A
Cited
US3005151A
Cited
US2909726A
Cited
US3060378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |