US3349336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed adder amplifier of the solid state type
Assignee: Automatic Electric Laboratories Inc
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Filing: 1964-11-02
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Granted: 1967-10-24
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Luna Agostino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:26
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN ADDER AMPLIFIER COMPRISING: A BALANCED INPUT CIRCUIT INCLUDING TWO COMPLEMENTARY TRANSISTORS, EACH TRANSISTOR HAVING AN EMITTER, COLLECTOR, AND BASE ELEMENT, SAID TRANSISTORS ARRANGED IN A COMPLEMENTARY-SYMMETRY, COMMON-BASE CONFIGURATION, WITH SAID EMITTER ELEMENTS CONNECTED TOGETHER, A SOURCE OF OPERATING VOLTAGE FOR SAID TRANSISTORS, A VOLTAGE DIVIDER CIRCUIT CONNECTED ACROSS SAID SOURCE, SAID DIVIDER HAVING A TAP CONNECTED TO EACH OF SAID COLLECTORS AND AN INTERMEDIATE CENTER-TAP, SAID TAPS CONNECTED TO SAID COLLECTORS BEING BALANCED WITH RESPECT TO SAID CENTER TAP AND SAID SOURCE, A BISTABLE BRIDGE CIRCUIT OF THE TYPE HAVING A TUNNEL DIODE IN TWO LEGS ON OPPOSITE SIDES OF ITS DIAGONAL TO WHICH CONTROL VOLTAGE IS APPLIED FOR CHANGING ITS STATE OF OPERATION, AND
Claim 2
Dependent Claim
116 words
AN ADDER AMPLIFIER COMPRISING: A BALANCED INPUT CIRCUIT INCLUDING TWO COMPLEMENTARY TRANSISTORS, EACH TRANSISTOR HAVING AN EMITTER, COLLECTOR, AND BASE ELEMENT, SAID TRANSISTORS ARRANGED IN A COMPLEMENTARY-SYMMETRY, COMMON-BASE CONFIGURATION, WITH SAID EMITTER ELEMENTS CONNECTED TOGETHER, A SOURCE OF OPERATING VOLTAGE FOR SAID TRANSISTORS, A VOLTAGE DIVIDER CIRCUIT CONNECTED ACROSS SAID SOURCE, SAID DIVIDER HAVING A TAP CONNECTED TO EACH OF SAID COLLECTORS AND AN INTERMEDIATE CENTER-TAP, SAID TAPS CONNECTED TO SAID COLLECTORS BEING BALANCED WITH RESPECT TO SAID CENTER TAP AND SAID SOURCE, A BISTABLE BRIDGE CIRCUIT OF THE TYPE HAVING A TUNNEL DIODE IN TWO LEGS ON OPPOSITE SIDES OF ITS DIAGONAL TO WHICH CONTROL VOLTAGE IS APPLIED FOR CHANGING ITS STATE OF OPERATION, AND
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |