GB1108153A - Improvements relating to binary counters - Google Patents

Improvements relating to binary counters

Info

Publication number
GB1108153A
GB1108153A GB1819764A GB1819764A GB1108153A GB 1108153 A GB1108153 A GB 1108153A GB 1819764 A GB1819764 A GB 1819764A GB 1819764 A GB1819764 A GB 1819764A GB 1108153 A GB1108153 A GB 1108153A
Authority
GB
United Kingdom
Prior art keywords
pulse
restores
sets
pulses
gate
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
GB1819764A
Inventor
Andrzej Marcin Piechowski
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB1819764A priority Critical patent/GB1108153A/en
Publication of GB1108153A publication Critical patent/GB1108153A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/004—Counters counting in a non-natural counting order, e.g. random counters

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Abstract

1,108,153. Electronic counters. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. 29 June, 1965 [1 May, 1964], No. 18197/64. Heading G4A. A reversible binary counter operates to a 1125 weighted code. For addition the add line is marked negative and the subtraction line is earthed, so holding inoperative all the gates in the lower part of the Figure. Input pulses are applied to the strapped X and Y terminals. Initially each pulse opens AND gate G1 to reverse stage B1, the second pulse restoring B1 and resulting in a pulse from Q1 through G4 to set stage B3. The third pulse sets B1 again and opens AND gate G3 which, through N, closes G1. The fourth pulse, therefore, does not affect B1 but sets B2. G3, N and G1 then restore so that the fifth pulse restores B1, whereupon G4 restores B2 and B3 and sets B4. Pulses 6-9 operate in the same manner as pulses 1-4. The tenth pulse restores all stages and supplies a carry pulse from Q4. Subtraction takes place in the reverse order.
GB1819764A 1964-05-01 1964-05-01 Improvements relating to binary counters Expired GB1108153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1819764A GB1108153A (en) 1964-05-01 1964-05-01 Improvements relating to binary counters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1819764A GB1108153A (en) 1964-05-01 1964-05-01 Improvements relating to binary counters

Publications (1)

Publication Number Publication Date
GB1108153A true GB1108153A (en) 1968-04-03

Family

ID=10108316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1819764A Expired GB1108153A (en) 1964-05-01 1964-05-01 Improvements relating to binary counters

Country Status (1)

Country Link
GB (1) GB1108153A (en)

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