US3146397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-pole two-position dual-wafer ultra-high-frequency transmit-receive switch control
Assignee: Collins Radio Co
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Filing: 1960-05-23
•
Granted: 1964-08-25
•
Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel L Broadhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:23
CPC Classifications
H; H03; H03J; H03J5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN A CONTROL SYSTEM FOR ALTERNATELY SWITCHING A FIRST LEAD AND A SECOND LEAD OPPOSITELY TO THE OUTPUT AND INPUT TERMINALS OF AN RF AMPLIFIER; DUAL SWITCHING WAFERS EACH HAVING AT LEAST TWO SWITCH POSITIONS; SWITCH POSITIONING MEANS FOR SIMULTANEOUSLY SWITCHING SAID DUAL SWITCHING WAFER BETWEEN SWITCH POSITIONS; EACH OF SAID DUAL SWITCH WAFER BEING PROVIDED WITH A PAIR OF SHORTING BARS CONNECTED FOR MOVEMENT WITH SAID SWITCH POSITIONING MEANS; EACH OF SAID DUAL WAFERS HAVING A PLURALITY OF FIXED CONTACTS; ONE OF THE FIXED CONTACTS OF ONE OF THE DUAL SWITCHING WAFERS BEING CONNECTED TO SAID FIRST LEAD, AND ONE OF THE FIXED CONTACTS OF THE OTHER DUAL WAFER BEING CONNECTED TO SAID SECOND LEAD; A SECOND FIXED CONTACT OF EACH OF SAID SWITCHING WAFERS BEING CONNECTED IN COMMON TO ONE OF THE TERMINALS OF SAID R.F. AMPLIFIER; A THIRD FIXED CONTACT OF EACH OF SAID SWITCHING WAFERS BEING CONNECTED IN COMMON TO THE OTHER TERMINAL OF SAID R.F. AMPLIFIER; A PLURALITY OF ADDITIONAL FIXED CONTACT
Claim 2
Dependent Claim
167 words
IN A CONTROL SYSTEM FOR ALTERNATELY SWITCHING A FIRST LEAD AND A SECOND LEAD OPPOSITELY TO THE OUTPUT AND INPUT TERMINALS OF AN RF AMPLIFIER; DUAL SWITCHING WAFERS EACH HAVING AT LEAST TWO SWITCH POSITIONS; SWITCH POSITIONING MEANS FOR SIMULTANEOUSLY SWITCHING SAID DUAL SWITCHING WAFER BETWEEN SWITCH POSITIONS; EACH OF SAID DUAL SWITCH WAFER BEING PROVIDED WITH A PAIR OF SHORTING BARS CONNECTED FOR MOVEMENT WITH SAID SWITCH POSITIONING MEANS; EACH OF SAID DUAL WAFERS HAVING A PLURALITY OF FIXED CONTACTS; ONE OF THE FIXED CONTACTS OF ONE OF THE DUAL SWITCHING WAFERS BEING CONNECTED TO SAID FIRST LEAD, AND ONE OF THE FIXED CONTACTS OF THE OTHER DUAL WAFER BEING CONNECTED TO SAID SECOND LEAD; A SECOND FIXED CONTACT OF EACH OF SAID SWITCHING WAFERS BEING CONNECTED IN COMMON TO ONE OF THE TERMINALS OF SAID R.F. AMPLIFIER; A THIRD FIXED CONTACT OF EACH OF SAID SWITCHING WAFERS BEING CONNECTED IN COMMON TO THE OTHER TERMINAL OF SAID R.F. AMPLIFIER; A PLURALITY OF ADDITIONAL FIXED CONTACT
References Cited (Backward Citations)
US2222085A
Cited
DE758518C
Cited
US2369193A
Cited
US2598534A
Cited
US2594190A
Cited
US2769127A
Cited
US2833862A
Cited
US2794081A
Cited
US3086091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |