GB833781A - Improvements in binary digital parallel adders - Google Patents

Improvements in binary digital parallel adders

Info

Publication number
GB833781A
GB833781A GB11670/57A GB1167057A GB833781A GB 833781 A GB833781 A GB 833781A GB 11670/57 A GB11670/57 A GB 11670/57A GB 1167057 A GB1167057 A GB 1167057A GB 833781 A GB833781 A GB 833781A
Authority
GB
United Kingdom
Prior art keywords
carry
pulse
transistors
gate
accumulator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB11670/57A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unisys Corp
Original Assignee
Sperry Rand Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB833781A publication Critical patent/GB833781A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/503—Half or full adders, i.e. basic adder cells for one denomination using carry switching, i.e. the incoming carry being connected directly, or only via an inverter, to the carry output under control of a carry propagate signal

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulse Circuits (AREA)
  • Manipulation Of Pulses (AREA)
GB11670/57A 1956-04-12 1957-04-10 Improvements in binary digital parallel adders Expired GB833781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US361417XA 1956-04-12 1956-04-12

Publications (1)

Publication Number Publication Date
GB833781A true GB833781A (en) 1960-04-27

Family

ID=21886884

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11670/57A Expired GB833781A (en) 1956-04-12 1957-04-10 Improvements in binary digital parallel adders

Country Status (5)

Country Link
BE (1) BE556428A (enrdf_load_stackoverflow)
CH (1) CH361417A (enrdf_load_stackoverflow)
FR (1) FR1174193A (enrdf_load_stackoverflow)
GB (1) GB833781A (enrdf_load_stackoverflow)
NL (1) NL216061A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325634A (en) * 1964-02-03 1967-06-13 Hughes Aircraft Co Dynamic high speed parallel adder using tunnel diode circuits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325634A (en) * 1964-02-03 1967-06-13 Hughes Aircraft Co Dynamic high speed parallel adder using tunnel diode circuits

Also Published As

Publication number Publication date
CH361417A (de) 1962-04-15
NL216061A (enrdf_load_stackoverflow)
BE556428A (enrdf_load_stackoverflow)
FR1174193A (fr) 1959-03-06

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