GB1555123A - Logic circuits and control systems incorporating such circuits - Google Patents

Logic circuits and control systems incorporating such circuits

Info

Publication number
GB1555123A
GB1555123A GB2317175A GB2317175A GB1555123A GB 1555123 A GB1555123 A GB 1555123A GB 2317175 A GB2317175 A GB 2317175A GB 2317175 A GB2317175 A GB 2317175A GB 1555123 A GB1555123 A GB 1555123A
Authority
GB
United Kingdom
Prior art keywords
circuits
control systems
systems incorporating
logic
logic circuits
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
GB2317175A
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.)
Reyrolle Parsons Ltd
Original Assignee
Reyrolle Parsons Ltd
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 Reyrolle Parsons Ltd filed Critical Reyrolle Parsons Ltd
Priority to GB2317175A priority Critical patent/GB1555123A/en
Priority to CA253,339A priority patent/CA1073980A/en
Publication of GB1555123A publication Critical patent/GB1555123A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/14—Arrangements for performing computing operations, e.g. operational amplifiers for addition or subtraction 
    • 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
    • H03K19/23—Majority or minority circuits, i.e. giving output having the state of the majority or the minority of the inputs

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Safety Devices In Control Systems (AREA)
GB2317175A 1975-05-27 1975-05-27 Logic circuits and control systems incorporating such circuits Expired GB1555123A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2317175A GB1555123A (en) 1975-05-27 1975-05-27 Logic circuits and control systems incorporating such circuits
CA253,339A CA1073980A (en) 1975-05-27 1976-05-26 Logic circuits and control systems incorporating such circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2317175A GB1555123A (en) 1975-05-27 1975-05-27 Logic circuits and control systems incorporating such circuits

Publications (1)

Publication Number Publication Date
GB1555123A true GB1555123A (en) 1979-11-07

Family

ID=10191318

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2317175A Expired GB1555123A (en) 1975-05-27 1975-05-27 Logic circuits and control systems incorporating such circuits

Country Status (2)

Country Link
CA (1) CA1073980A (en)
GB (1) GB1555123A (en)

Also Published As

Publication number Publication date
CA1073980A (en) 1980-03-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940524