NL7711631A - Meetinrichting met een analoog-digitaal omzetter. - Google Patents

Meetinrichting met een analoog-digitaal omzetter.

Info

Publication number
NL7711631A
NL7711631A NL7711631A NL7711631A NL7711631A NL 7711631 A NL7711631 A NL 7711631A NL 7711631 A NL7711631 A NL 7711631A NL 7711631 A NL7711631 A NL 7711631A NL 7711631 A NL7711631 A NL 7711631A
Authority
NL
Netherlands
Prior art keywords
analogue
digital converter
measurement device
converter
measurement
Prior art date
Application number
NL7711631A
Other languages
English (en)
Dutch (nl)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of NL7711631A publication Critical patent/NL7711631A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • G01D3/022—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation having an ideal characteristic, map or correction data stored in a digital memory
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • G01D3/024—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation for range change; Arrangements for substituting one sensing member by another
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/005—Circuits for altering the indicating characteristic, e.g. making it non-linear
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/08—Circuits for altering the measuring range
    • G01R15/09—Autoranging circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/255—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
    • H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/56—Input signal compared with linear ramp

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Technology Law (AREA)
  • Nonlinear Science (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measurement Of Radiation (AREA)
  • Measurement Of Current Or Voltage (AREA)
NL7711631A 1976-10-27 1977-10-24 Meetinrichting met een analoog-digitaal omzetter. NL7711631A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2648635A DE2648635C2 (de) 1976-10-27 1976-10-27 Meßanordnung mit einem Analog-Digital-Wandler

Publications (1)

Publication Number Publication Date
NL7711631A true NL7711631A (nl) 1978-05-02

Family

ID=5991532

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7711631A NL7711631A (nl) 1976-10-27 1977-10-24 Meetinrichting met een analoog-digitaal omzetter.

Country Status (5)

Country Link
AU (1) AU3006077A (xx)
DE (1) DE2648635C2 (xx)
FR (1) FR2369569A1 (xx)
IT (1) IT1087097B (xx)
NL (1) NL7711631A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439975A1 (fr) * 1978-10-23 1980-05-23 Otdel Fiz Nerazrushajuschego Dispositif pour la mesure d'epaisseurs de revetements
DE3426617A1 (de) * 1984-07-19 1986-01-23 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth Bereichsfortschalter fuer messgeraete
US4635057A (en) * 1985-06-24 1987-01-06 Caterpillar Inc. Remote sensor with compensation for lead resistance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2062241B2 (de) * 1970-12-17 1974-11-14 Karl Dr.Habil. 8120 Weilheim Slevogt Meßgerät mit automatscher Bereichsumschaltung
SE365920B (xx) * 1972-08-30 1974-04-01 B Max
JPS5039863A (xx) * 1973-07-06 1975-04-12
DE2647275A1 (de) * 1975-11-07 1977-05-12 Motorola Inc Parallel-kaskaden-analog-digital- wandler

Also Published As

Publication number Publication date
IT1087097B (it) 1985-05-31
DE2648635B1 (de) 1978-01-19
DE2648635C2 (de) 1978-09-28
FR2369569A1 (fr) 1978-05-26
AU3006077A (en) 1979-05-03

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
A85 Still pending on 85-01-01
BB A search report has been drawn up
BV The patent application has lapsed