Patent US3309608A successfully refreshed from Google Patents.
US3309608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency techniques for measuring reflected energy
Assignee: Individual
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Filing: 1963-10-22
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Granted: 1967-03-14
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Expires: 1983-10-22
Abstract
No abstract record available.
Inventors
- 👤 Alford Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:44
CPC Classifications
G; G01; G01R; G01R21/00; G01R27/00; G01R27/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
HIGH FREQUENCY REFLECTOR ENERGY MEASURING APPARATUS COMPRISING, A NETWORK EXHIBITING HYBRID PROPERTIES OVER A PRESCRIBED FREQUENCY RANGE AND HAVING A SERIES BRANCH, A PARALLEL BRANCH AND A PAIR OF SIDE BRANCHES WITH EACH OF SAID BRANCHES CHARACTERIZED BY A COMMON CHARACTERISTIC IMPEDANCE, SAID NETWORK INCLUDING AN EFFECTIVE REACTANCE ACROSS AT LEAST ONE OF SAID SIDE BRANCHES THAT IS MUCH LARGER THAN SAID COMMON CHARACTERISTIC IMPEDANCE WITHIN SAID PRESCRIBED FREQUENCY RANGE AND HAVING THE PROPERTY THAT WHEN SAID SIDE BRANCHES ARE TERMINATED IN EQUAL IMPEDANCES AND ENERGY APPLIED TO ONE OF SAID SERIES AND PARALLEL BRANCHES ALL SAID ENERGY DIVIDES EQUALLY BETWEEN SAID IMPEDANCES TERMINATING SAID SIDE BRANCHES, A FIRST PAIR OF SIDE TERMINALS, ATTENUATING MEANS COUPLING SAID FIRST PAIR OF SIDE TERMINALS TO SAID AT LEAST ONE OF SAID SIDE BRANCHES INCLUDING RESISTIVE MEANS MUCH LESS THAN SAID EFFECTIVE REACTANCE WITHIN SAID PRESCRIBED FREQUENCY RANGE FOR TERMINATING SAID AT LEAST ONE SIDE BRANCH SO THAT
Claim 2
Dependent Claim
155 words
HIGH FREQUENCY REFLECTOR ENERGY MEASURING APPARATUS COMPRISING, A NETWORK EXHIBITING HYBRID PROPERTIES OVER A PRESCRIBED FREQUENCY RANGE AND HAVING A SERIES BRANCH, A PARALLEL BRANCH AND A PAIR OF SIDE BRANCHES WITH EACH OF SAID BRANCHES CHARACTERIZED BY A COMMON CHARACTERISTIC IMPEDANCE, SAID NETWORK INCLUDING AN EFFECTIVE REACTANCE ACROSS AT LEAST ONE OF SAID SIDE BRANCHES THAT IS MUCH LARGER THAN SAID COMMON CHARACTERISTIC IMPEDANCE WITHIN SAID PRESCRIBED FREQUENCY RANGE AND HAVING THE PROPERTY THAT WHEN SAID SIDE BRANCHES ARE TERMINATED IN EQUAL IMPEDANCES AND ENERGY APPLIED TO ONE OF SAID SERIES AND PARALLEL BRANCHES ALL SAID ENERGY DIVIDES EQUALLY BETWEEN SAID IMPEDANCES TERMINATING SAID SIDE BRANCHES, A FIRST PAIR OF SIDE TERMINALS, ATTENUATING MEANS COUPLING SAID FIRST PAIR OF SIDE TERMINALS TO SAID AT LEAST ONE OF SAID SIDE BRANCHES INCLUDING RESISTIVE MEANS MUCH LESS THAN SAID EFFECTIVE REACTANCE WITHIN SAID PRESCRIBED FREQUENCY RANGE FOR TERMINATING SAID AT LEAST ONE SIDE BRANCH SO THAT
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |