GB1333856A - Count display apparatus - Google Patents

Count display apparatus

Info

Publication number
GB1333856A
GB1333856A GB3390371A GB3390371A GB1333856A GB 1333856 A GB1333856 A GB 1333856A GB 3390371 A GB3390371 A GB 3390371A GB 3390371 A GB3390371 A GB 3390371A GB 1333856 A GB1333856 A GB 1333856A
Authority
GB
United Kingdom
Prior art keywords
counter
count
input
displayed
decimal
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
GB3390371A
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu Electric Co 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
Priority claimed from JP1535670A external-priority patent/JPS4942195B1/ja
Priority claimed from JP1535470A external-priority patent/JPS4942193B1/ja
Priority claimed from JP1535570A external-priority patent/JPS4942194B1/ja
Priority claimed from GB2256071A external-priority patent/GB1333855A/en
Application filed by Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Priority to GB1341450D priority Critical patent/GB1341450A/en
Publication of GB1333856A publication Critical patent/GB1333856A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/02—Input circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/08—Output circuits

Landscapes

  • Digital Computer Display Output (AREA)

Abstract

1333856 Display systems IWATSU ELECTRIC CO Ltd 19 April 1971 [24 Feb 1970] 33903/72 Divided out of 1333855 Heading G4H In a display system in which the count in decimal counter stage DC1, DC2 (Fig. 1) is displayed in complementary form, counter stages DC2 . . . are incremented at a count of "1" in the immediately preceding counter stage. As described the binary coded decimal counts are decoded in decoders DEC1, DEC2, to pure decimal form and fed to the tens complement input of an associated display D1, D2. The input to the second counter DC2 is taken from a bistable FF1 set by a count of 1 in the first counter and reset by the overflow pulse from that counter. The arrangement ensures that although the complement of the number of input pulses is displayed a count of zero is displayed after a reset signal at input RE. The apparatus may be extended to any number of counting decades.
GB3390371A 1970-02-24 1971-07-20 Count display apparatus Expired GB1333856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1341450D GB1341450A (en) 1971-07-20 1971-07-20 Photo detector

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1535670A JPS4942195B1 (en) 1970-02-24 1970-02-24
JP1535470A JPS4942193B1 (en) 1970-02-24 1970-02-24
JP1535570A JPS4942194B1 (en) 1970-02-24 1970-02-24
GB2256071A GB1333855A (en) 1970-02-24 1971-04-19 Count display system

Publications (1)

Publication Number Publication Date
GB1333856A true GB1333856A (en) 1973-10-17

Family

ID=27448570

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3390371A Expired GB1333856A (en) 1970-02-24 1971-07-20 Count display apparatus

Country Status (1)

Country Link
GB (1) GB1333856A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees