GB977404A - Photologic circuits - Google Patents

Photologic circuits

Info

Publication number
GB977404A
GB977404A GB39211/61A GB3921161A GB977404A GB 977404 A GB977404 A GB 977404A GB 39211/61 A GB39211/61 A GB 39211/61A GB 3921161 A GB3921161 A GB 3921161A GB 977404 A GB977404 A GB 977404A
Authority
GB
United Kingdom
Prior art keywords
lines
switch
inputs
gates
line
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
GB39211/61A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB977404A publication Critical patent/GB977404A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K19/00Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/14Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06EOPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
    • G06E1/00Devices for processing exclusively digital data
    • G06E1/02Devices for processing exclusively digital data operating upon the order or content of the data handled
    • G06E1/04Devices for processing exclusively digital data operating upon the order or content of the data handled for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
GB39211/61A 1960-11-29 1961-11-02 Photologic circuits Expired GB977404A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72489A US3138704A (en) 1960-11-29 1960-11-29 Photologic arithmetic circuits

Publications (1)

Publication Number Publication Date
GB977404A true GB977404A (en) 1964-12-09

Family

ID=22107928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39211/61A Expired GB977404A (en) 1960-11-29 1961-11-02 Photologic circuits

Country Status (6)

Country Link
US (1) US3138704A (en, 2012)
BE (1) BE610821A (en, 2012)
CH (1) CH401148A (en, 2012)
DE (1) DE1152727B (en, 2012)
GB (1) GB977404A (en, 2012)
NL (1) NL271708A (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305673A (en) * 1963-01-15 1967-02-21 Gen Electric Optoelectronic computational devices
FR1398939A (fr) * 1964-04-03 1965-05-14 Saint Gobain Nouveau circuit électrique comparateur notamment pour calculatrices électroniques
US3612847A (en) * 1964-04-03 1971-10-12 Saint Gobain Electrical apparatus and method for adding binary numbers

Also Published As

Publication number Publication date
NL271708A (en, 2012)
DE1152727B (de) 1963-08-14
BE610821A (fr) 1962-03-16
CH401148A (de) 1965-10-31
US3138704A (en) 1964-06-23

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