Classifications

• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
  • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
  • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
  • G06F7/50—Adding; Subtracting
  • G06F7/501—Half or full adders, i.e. basic adder cells for one denomination
  • G06F7/502—Half adders; Full adders consisting of two cascaded half adders
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
  • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
  • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
  • G06F7/491—Computations with decimal numbers radix 12 or 20.
  • G06F7/492—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination
  • G06F7/493—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination the representation being the natural binary coded representation, i.e. 8421-code
  • G06F7/494—Adding; Subtracting
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
  • H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
  • H03K19/21—EXCLUSIVE-OR circuits, i.e. giving output if input signal exists at only one input; COINCIDENCE circuits, i.e. giving output only if all input signals are identical
  • H03K19/212—EXCLUSIVE-OR circuits, i.e. giving output if input signal exists at only one input; COINCIDENCE circuits, i.e. giving output only if all input signals are identical using bipolar transistors
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
  • G06F2207/492—Indexing scheme relating to groups G06F7/492 - G06F7/496
  • G06F2207/4921—Single digit adding or subtracting
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
  • G06F2207/492—Indexing scheme relating to groups G06F7/492 - G06F7/496
  • G06F2207/4924—Digit-parallel adding or subtracting

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Computing Systems (AREA)
• Pure & Applied Mathematics (AREA)
• Mathematical Analysis (AREA)
• General Engineering & Computer Science (AREA)
• Computational Mathematics (AREA)
• Mathematical Optimization (AREA)
• Computer Hardware Design (AREA)
• Mathematical Physics (AREA)
• Logic Circuits (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10300486

Family Applications (1)

Country Status (5)

Families Citing this family (3)

Family Cites Families (1)

• 0
  • NL NL282229D patent/NL282229A/xx unknown
  • BE BE621114D patent/BE621114A/xx unknown
• 1961
  • 1961-08-19 GB GB29991/61A patent/GB952118A/en not_active Expired
• 1962
  • 1962-08-02 US US214372A patent/US3229117A/en not_active Expired - Lifetime
  • 1962-08-09 DE DEA40911A patent/DE1161312B/de active Pending

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