US3287665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed semiconductor microwave switch
Assignee: Individual
•
Filing: 1964-06-25
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Granted: 1966-11-22
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Expires: 1984-06-25
Abstract
No abstract record available.
Inventors
- 👤 Iii Robert H Brunton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:49
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/10; H01P1/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A HIGH SPEED SWITCHING DEVICE FOR MICROWAVES: COMPRISING A SECTION OF MICROWAVE GUIDE HAVING A RECTANGULAR SHAPE WITH TWO PARALLEL BROAD FACES AND TWO PARALLEL NARROW FACES; A PAIR OF TUNING STUBS PLACED PERPENDICULARLY IN SAID BROAD FACES OF SAID WAVE GUIDE EQUIDISTANT FROM SAID NARROW FACES AND ONE QUARTER OF A WAVELENGTH APART; A PAIR OF CONNECTORS HAVING CENTER CONDUCTORS MOUNTED ON SAID WAVE GUIDE OPPOSED TO SAID STUDS; A PAIR OF DIODES SECURED IN THE CENTER OF SAID WAVE GUIDE WITH ONE CONNECTION OF EACH OF SAID DIODES BEING MOVABLY SHORTED TO SAID TUNING STUB, THE OTHER CONNECTION OF EACH OF SAID DIODES BEING ELECTRICALLY CONNECTED TO THE CENTER CONDUCTOR OF A CONNECTOR THROUGH A CHOKE AND BYPASS CAPACITOR; MEANS TO VARY THE BIAS ON SAID DIODES WHICH IS CAPABLE OF AMPLIFYING PULSES FROM .2 TO 5 MICROSECONDS AND FROM 100 CYCLES TO 100 KILOCYCLED PER SECOND; A CAPACITIVE POST THREADED INTO SAID WAVE GUIDE MIDWAY BETWEEN SAID DIODES; AND MEANS TO VARY THE BIAS ON SAID DIODES TO TAKE ADVANTAGE OF THE NONLINEAR INPEDANCE CHARACTERISTIC THEREOF TO PASS OR SHUNT RF CURRENT IN SAID WAVE GUIDE.
Claim 2
Dependent Claim
189 words
A HIGH SPEED SWITCHING DEVICE FOR MICROWAVES: COMPRISING A SECTION OF MICROWAVE GUIDE HAVING A RECTANGULAR SHAPE WITH TWO PARALLEL BROAD FACES AND TWO PARALLEL NARROW FACES; A PAIR OF TUNING STUBS PLACED PERPENDICULARLY IN SAID BROAD FACES OF SAID WAVE GUIDE EQUIDISTANT FROM SAID NARROW FACES AND ONE QUARTER OF A WAVELENGTH APART; A PAIR OF CONNECTORS HAVING CENTER CONDUCTORS MOUNTED ON SAID WAVE GUIDE OPPOSED TO SAID STUDS; A PAIR OF DIODES SECURED IN THE CENTER OF SAID WAVE GUIDE WITH ONE CONNECTION OF EACH OF SAID DIODES BEING MOVABLY SHORTED TO SAID TUNING STUB, THE OTHER CONNECTION OF EACH OF SAID DIODES BEING ELECTRICALLY CONNECTED TO THE CENTER CONDUCTOR OF A CONNECTOR THROUGH A CHOKE AND BYPASS CAPACITOR; MEANS TO VARY THE BIAS ON SAID DIODES WHICH IS CAPABLE OF AMPLIFYING PULSES FROM .2 TO 5 MICROSECONDS AND FROM 100 CYCLES TO 100 KILOCYCLED PER SECOND; A CAPACITIVE POST THREADED INTO SAID WAVE GUIDE MIDWAY BETWEEN SAID DIODES; AND MEANS TO VARY THE BIAS ON SAID DIODES TO TAKE ADVANTAGE OF THE NONLINEAR INPEDANCE CHARACTERISTIC THEREOF TO PASS OR SHUNT RF CURRENT IN SAID WAVE GUIDE.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |