Patent US3175100A successfully refreshed from Google Patents.
US3175100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistorized high-speed reversing double-pole-double-throw switching circuit
Assignee: Motors Liquidation Co
•
Filing: 1961-06-07
•
Granted: 1965-03-23
•
Expires: 1981-06-07
Abstract
No abstract record available.
Inventors
- 👤 Mothe David J La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:25
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/66; H03K17/661; H03K17/662; H03K17/663; H03K17/04; H03K17/041; H03K17/0412; H03K17/04126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A SWITCHING CIRCUIT, THE COMBINATION COMPRISING TWO PAIRS OF COMPLEMENTARY TRANSISTORS, A SOURCE OF DIRECT VOLTAGE, A PAIR OF INPUT TERMINALS ADAPTED TO BE CONNECTED ACROSS A SIGNAL VOLTAGE SOURCE, A PAIR OF OUTPUT TERMINALS ADAPTED FOR CONNECTION TO A LOAD DEVIVE, EACH TRANSISTOR HAVING AN INPUT, OUTPUT AND COMMON ELECTRODE, THE INPUT ELECTRODE OF EACH TRANSISTOR BEING CONNECTED TO ONE OF THE INPUT TERMINALS, THE COMMON ELECTRODES OF THE FIRST OF SAID TRANSISTOR PAIRS BEING CONNECTED TO THE OTHER INPUT TERMINAL AND TO ONE OF THE OUTPUT TERMINALS, THE OUTPUT ELECTRODES OF THE SECOND OF SAID TRANSISTOR PAIRS BEING CONNECTED TO THE OTHER OUTPUT TERMINAL, THE OUTPUT ELECTRODES OF THE FIRST OF SAID TRANSISTOR PAIRS BEING CONNECTED ACROSS THE SOURCE OF DIRECT VOLTAGE, AND THE COMMON ELECTRODES OF THE SECOND OF SAID TRANSISTOR PAIRS BEING CONNECTED ACROSS THE SOURCE OF DIRECT VOLTAGE.
Claim 2
Dependent Claim
143 words
A SWITCHING CIRCUIT, THE COMBINATION COMPRISING TWO PAIRS OF COMPLEMENTARY TRANSISTORS, A SOURCE OF DIRECT VOLTAGE, A PAIR OF INPUT TERMINALS ADAPTED TO BE CONNECTED ACROSS A SIGNAL VOLTAGE SOURCE, A PAIR OF OUTPUT TERMINALS ADAPTED FOR CONNECTION TO A LOAD DEVIVE, EACH TRANSISTOR HAVING AN INPUT, OUTPUT AND COMMON ELECTRODE, THE INPUT ELECTRODE OF EACH TRANSISTOR BEING CONNECTED TO ONE OF THE INPUT TERMINALS, THE COMMON ELECTRODES OF THE FIRST OF SAID TRANSISTOR PAIRS BEING CONNECTED TO THE OTHER INPUT TERMINAL AND TO ONE OF THE OUTPUT TERMINALS, THE OUTPUT ELECTRODES OF THE SECOND OF SAID TRANSISTOR PAIRS BEING CONNECTED TO THE OTHER OUTPUT TERMINAL, THE OUTPUT ELECTRODES OF THE FIRST OF SAID TRANSISTOR PAIRS BEING CONNECTED ACROSS THE SOURCE OF DIRECT VOLTAGE, AND THE COMMON ELECTRODES OF THE SECOND OF SAID TRANSISTOR PAIRS BEING CONNECTED ACROSS THE SOURCE OF DIRECT VOLTAGE.
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |