US3353009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state binary adder
Assignee: Individual
•
Filing: 1965-04-15
•
Granted: 1967-11-14
•
Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Gerald L Mohnkern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:57
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/501; G06F7/5016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
252 words
A BINARY ADDER COMPRISING: (A) A VOLTAGE SOURCE; (B) A FIRST INPUT SECTION INCLUDING A FIRST PLURALITY OF SERIES CONNECTED TRANSISTORS CONNECTED ACROSS SAID VOLTAGE SOURCE; (C) A SECOND INPUT SECTION INCLUDING A SECOND PLURALITY OF SERIES CONNECTED TRANSISTORS CONNECTED ACROSS SAID VOLTAGE SOURCE; (D) A THIRD INPUT SECTION INCLUDING A THIRD PLURALITY OF SERIES CONNECTED TRANSISTORS CONNECTED ACROSS SAID VOLTAGE SOURCE; (E) A PLURALITY OF BINARY INPUT MEANS CONNECTED RESPECTIVELY TO EACH OF SAID TRANSISTORS; (F) BIASING MEANS COUPLED TO EACH OF SAID TRANSISTORS WHEREBY A BINARY "ONE" APPLIED TO ONE OF SAID TRANSISTORS WILL INITIATE CONDUCTION THEREOF; (G) A FIRST OUTPUT TRANSISTOR CONNECTED IN SERIES WITH AT LEAST ONE OF SAID TRANSISTORS OF EACH OF SAID INPUT SECTIONS; (H) SAID FIRST OUTPUT TRANSISTOR HAVING ITS BASE CONNECTED IN SERIES WITH AT LEAST TWO SERIES CONNECTED TRANSISTORS IN EACH OF SAID INPUT SECTIONS; (I) A SECOND OUTPUT TRANSISTOR CONNECTED IN PARALLEL WITH SAID FIRST OUTPUT TRANSISTOR THE STATE OF WHICH CONTROLS THE CARRY OUTPUT; (J) A THIRD OUTPUT TRANSISTOR THE STATE OF WHICH CONTROLS THE SUM OUTPUT; (K) A FOURTH OUTPUT TRANSISTOR CONNECTED IN SERIES WITH SAID THIRD OUTPUT TRANSISTOR; (L) SAID FOURTH OUTPUT TRANSISTOR BEING CONTROLLED BY SAID FIRST OUTPUT TRANSISTOR, WHEREBY WHEN SAID FIRST OUTPUT TRANSISTOR IS IN ONE STATE, SAID FOURTH OUTPUT TRANSISTOR IS IN THE OPPOSITE STATE; (M) SAID SERIES CONNECTED THIRD AND FOURTH TRANSISTORS CONNECTED ACROSS SAID VOLTAGE SOURCE; AND (N) SAID THIRD OUTPUT TRANSISTOR HAVING ITS BASE CONNECTED IN SERIES WITH SAID FIRST INPUT SECTION.
Claim 2
Dependent Claim
252 words
A BINARY ADDER COMPRISING: (A) A VOLTAGE SOURCE; (B) A FIRST INPUT SECTION INCLUDING A FIRST PLURALITY OF SERIES CONNECTED TRANSISTORS CONNECTED ACROSS SAID VOLTAGE SOURCE; (C) A SECOND INPUT SECTION INCLUDING A SECOND PLURALITY OF SERIES CONNECTED TRANSISTORS CONNECTED ACROSS SAID VOLTAGE SOURCE; (D) A THIRD INPUT SECTION INCLUDING A THIRD PLURALITY OF SERIES CONNECTED TRANSISTORS CONNECTED ACROSS SAID VOLTAGE SOURCE; (E) A PLURALITY OF BINARY INPUT MEANS CONNECTED RESPECTIVELY TO EACH OF SAID TRANSISTORS; (F) BIASING MEANS COUPLED TO EACH OF SAID TRANSISTORS WHEREBY A BINARY "ONE" APPLIED TO ONE OF SAID TRANSISTORS WILL INITIATE CONDUCTION THEREOF; (G) A FIRST OUTPUT TRANSISTOR CONNECTED IN SERIES WITH AT LEAST ONE OF SAID TRANSISTORS OF EACH OF SAID INPUT SECTIONS; (H) SAID FIRST OUTPUT TRANSISTOR HAVING ITS BASE CONNECTED IN SERIES WITH AT LEAST TWO SERIES CONNECTED TRANSISTORS IN EACH OF SAID INPUT SECTIONS; (I) A SECOND OUTPUT TRANSISTOR CONNECTED IN PARALLEL WITH SAID FIRST OUTPUT TRANSISTOR THE STATE OF WHICH CONTROLS THE CARRY OUTPUT; (J) A THIRD OUTPUT TRANSISTOR THE STATE OF WHICH CONTROLS THE SUM OUTPUT; (K) A FOURTH OUTPUT TRANSISTOR CONNECTED IN SERIES WITH SAID THIRD OUTPUT TRANSISTOR; (L) SAID FOURTH OUTPUT TRANSISTOR BEING CONTROLLED BY SAID FIRST OUTPUT TRANSISTOR, WHEREBY WHEN SAID FIRST OUTPUT TRANSISTOR IS IN ONE STATE, SAID FOURTH OUTPUT TRANSISTOR IS IN THE OPPOSITE STATE; (M) SAID SERIES CONNECTED THIRD AND FOURTH TRANSISTORS CONNECTED ACROSS SAID VOLTAGE SOURCE; AND (N) SAID THIRD OUTPUT TRANSISTOR HAVING ITS BASE CONNECTED IN SERIES WITH SAID FIRST INPUT SECTION.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |