CH544942A - Tragbares digitales Messgerät - Google Patents

Tragbares digitales Messgerät

Info

Publication number
CH544942A
CH544942A CH253272A CH253272A CH544942A CH 544942 A CH544942 A CH 544942A CH 253272 A CH253272 A CH 253272A CH 253272 A CH253272 A CH 253272A CH 544942 A CH544942 A CH 544942A
Authority
CH
Switzerland
Prior art keywords
portable digital
digital meter
meter
portable
Prior art date
Application number
CH253272A
Other languages
English (en)
Inventor
Peter Dr Dosch
Original Assignee
Heberlein & Co Ag
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 to DE2206110A priority Critical patent/DE2206110A1/de
Application filed by Heberlein & Co Ag filed Critical Heberlein & Co Ag
Publication of CH544942A publication Critical patent/CH544942A/de

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42Devices characterised by the use of electric or magnetic means
    • G01P3/44Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489Digital circuits therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00Measuring arrangements involving comparison with a reference value, e.g. bridge
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10Calibration or testing
    • H03M1/1066Mechanical or optical alignment
CH253272A 1972-02-09 1972-02-22 Tragbares digitales Messgerät CH544942A (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2206110A DE2206110A1 (de) 1972-02-09 1972-02-09 Verfahren zum stromsparenden betrieb von tragbaren digitalen messgeraeten

Publications (1)

Publication Number Publication Date
CH544942A true CH544942A (de) 1974-01-15

Family

ID=5835512

Family Applications (1)

Application Number Title Priority Date Filing Date
CH253272A CH544942A (de) 1972-02-09 1972-02-22 Tragbares digitales Messgerät

Country Status (4)

Country Link
JP (1) JPS4889769A (de)
CH (1) CH544942A (de)
DE (1) DE2206110A1 (de)
FR (1) FR2171757A5 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK664473A (de) * 1973-09-24 1975-05-12 Texas Instruments Inc
DE2543696C3 (de) * 1975-09-30 1980-04-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen
US4181883A (en) * 1978-07-03 1980-01-01 The Economy Engine Company Hourmeter-tachometer
JPS59111013A (en) * 1982-12-16 1984-06-27 Matsushita Electric Ind Co Ltd Rotary position detector
JP3355370B2 (ja) 2000-03-31 2002-12-09 名古屋大学長 周波数変化測定装置

Also Published As

Publication number Publication date
JPS4889769A (de) 1973-11-22
DE2206110A1 (de) 1973-08-16
FR2171757A5 (de) 1973-09-21

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Legal Events

Date Code Title Description
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