US3239693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bilateral electronic gate
Assignee: Avco Corp
•
Filing: 1964-09-03
•
Granted: 1966-03-08
•
Expires: 1984-09-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Eugene A Janning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:00
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
AN ALTERNATING CURRENT SIGNAL PATH HAVING AN INPUT AND AN OUTPUT, SAID PATH INCLUDING A DIODE, AND MEANS FOR OPENING OR CLOSING SAID PATH TO PERMIT OR PREVENT ALTERNATING CURRENT SIGNALS FROM PASSING FROM SAID INPUT TO SAID OUTPUT, SAID MEANS COMPRISING: A FIRST DIRECT CURRENT BIASING SOURCE; A SECOND DIRECT CURRENT BIASING SOURCE; AN ALTERNATING CURRENT SIGNAL CHOKE; MEANS SELECTIVELY CONNECTING SAID FIRST DIRECT CURRENT BIASING SOURCE IN A SERIES DIRECT CURRENT LOOP WITH SAID CHOKE AND SAID DIODE FOR INITIALLY FORWARD-BIASING SAID DIODE, THEREBY OPENING SAID PATH AND PERMITTING SAID ALTERNATING CURRENT SIGNAL TO PASS THROUGH SAID PATH, OR, ALTERNATIVELY, CONNECTING SAID SECOND DIRECT CURRENT BIASING SOURCE IN A SERIES LOOP WITH SAID DIODE AND SAID CHOKE TO BACK-BIAS SAID DIODE, THEREBY PREVENTING ALTERNATING CURRENT SIGNAL TRANSMISSION THROUGH SAID PATH, SAID CHOKE DISCHARGING THROUGH SAID SECOND SOURCE AND SAID DIODE TO INITIALLY AUGMENT SAID SECOND SOURCE; AND A SECOND DIODE CONNECTED ACROSS SAID FIRST SOURCE, SAID SECOND DIODE BEING SLIGHTLY BACK-BIASED BY SAID FIRST SOURCE.
Claim 2
Dependent Claim
167 words
AN ALTERNATING CURRENT SIGNAL PATH HAVING AN INPUT AND AN OUTPUT, SAID PATH INCLUDING A DIODE, AND MEANS FOR OPENING OR CLOSING SAID PATH TO PERMIT OR PREVENT ALTERNATING CURRENT SIGNALS FROM PASSING FROM SAID INPUT TO SAID OUTPUT, SAID MEANS COMPRISING: A FIRST DIRECT CURRENT BIASING SOURCE; A SECOND DIRECT CURRENT BIASING SOURCE; AN ALTERNATING CURRENT SIGNAL CHOKE; MEANS SELECTIVELY CONNECTING SAID FIRST DIRECT CURRENT BIASING SOURCE IN A SERIES DIRECT CURRENT LOOP WITH SAID CHOKE AND SAID DIODE FOR INITIALLY FORWARD-BIASING SAID DIODE, THEREBY OPENING SAID PATH AND PERMITTING SAID ALTERNATING CURRENT SIGNAL TO PASS THROUGH SAID PATH, OR, ALTERNATIVELY, CONNECTING SAID SECOND DIRECT CURRENT BIASING SOURCE IN A SERIES LOOP WITH SAID DIODE AND SAID CHOKE TO BACK-BIAS SAID DIODE, THEREBY PREVENTING ALTERNATING CURRENT SIGNAL TRANSMISSION THROUGH SAID PATH, SAID CHOKE DISCHARGING THROUGH SAID SECOND SOURCE AND SAID DIODE TO INITIALLY AUGMENT SAID SECOND SOURCE; AND A SECOND DIODE CONNECTED ACROSS SAID FIRST SOURCE, SAID SECOND DIODE BEING SLIGHTLY BACK-BIASED BY SAID FIRST SOURCE.
References Cited (Backward Citations)
US2994789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |