← Back to Patent Explorer
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
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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)

US3234371A Cited
US3178590A Cited
US3271590A Cited
US3218483A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag