JPS57141135A - Counting device - Google Patents

Counting device

Info

Publication number
JPS57141135A
JPS57141135A JP2554381A JP2554381A JPS57141135A JP S57141135 A JPS57141135 A JP S57141135A JP 2554381 A JP2554381 A JP 2554381A JP 2554381 A JP2554381 A JP 2554381A JP S57141135 A JPS57141135 A JP S57141135A
Authority
JP
Japan
Prior art keywords
counter
microprogram
counting
stage
counted
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.)
Pending
Application number
JP2554381A
Other languages
Japanese (ja)
Inventor
Katsuji Tsunose
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2554381A priority Critical patent/JPS57141135A/en
Publication of JPS57141135A publication Critical patent/JPS57141135A/en
Pending legal-status Critical Current

Links

Classifications

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

Abstract

PURPOSE:To increase a counting range by providing a counter capable of operating at a high speed to an initial stage, and by counting the overflow output of the counter by inputting it to another counter which uses a microprogram. CONSTITUTION:A counter 11 capable of operating at a high speed which is composed of an integrated circuit on the whole by cascading FFs is provided to an initial stage, and the overflow output of this counter 11 is counted by counters 1-9 which operate on microprogram basis having a long operation period. Consequently, a signal outputted as a low-frequency one through the counting of the initial-stage counter 11 is counted by a microprocessor, so high- speed processing is achieved while the number of digits of the counter is increased greatly by using register arithmetic by a microprogram in combination without providing more than one stage of the counter of hardware.
JP2554381A 1981-02-25 1981-02-25 Counting device Pending JPS57141135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2554381A JPS57141135A (en) 1981-02-25 1981-02-25 Counting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2554381A JPS57141135A (en) 1981-02-25 1981-02-25 Counting device

Publications (1)

Publication Number Publication Date
JPS57141135A true JPS57141135A (en) 1982-09-01

Family

ID=12168895

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2554381A Pending JPS57141135A (en) 1981-02-25 1981-02-25 Counting device

Country Status (1)

Country Link
JP (1) JPS57141135A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635663U (en) * 1992-10-17 1994-05-13 東洋シール工業株式会社 Seal plate with protrusion to prevent oil leakage
WO2012025191A1 (en) * 2010-08-24 2012-03-01 Continental Automotive France Digital counter and method for measuring a period of time

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5090280A (en) * 1973-12-11 1975-07-19
JPS55166343A (en) * 1979-06-14 1980-12-25 Toshiba Corp Pulse counting system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5090280A (en) * 1973-12-11 1975-07-19
JPS55166343A (en) * 1979-06-14 1980-12-25 Toshiba Corp Pulse counting system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635663U (en) * 1992-10-17 1994-05-13 東洋シール工業株式会社 Seal plate with protrusion to prevent oil leakage
WO2012025191A1 (en) * 2010-08-24 2012-03-01 Continental Automotive France Digital counter and method for measuring a period of time
FR2964275A1 (en) * 2010-08-24 2012-03-02 Continental Automotive France DIGITAL COUNTER AND METHOD FOR MEASURING DURATION
CN103190077A (en) * 2010-08-24 2013-07-03 法国大陆汽车公司 Digital counter and method for measuring a period of time
US9118332B2 (en) 2010-08-24 2015-08-25 Continental Automotive France Digital counter and method for measuring a period of time
CN103190077B (en) * 2010-08-24 2015-12-16 法国大陆汽车公司 Digit counter and the method for measurement period

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