GB1411974A - Analogue-to-digital converters - Google Patents

Analogue-to-digital converters

Info

Publication number
GB1411974A
GB1411974A GB3435272A GB3435272A GB1411974A GB 1411974 A GB1411974 A GB 1411974A GB 3435272 A GB3435272 A GB 3435272A GB 3435272 A GB3435272 A GB 3435272A GB 1411974 A GB1411974 A GB 1411974A
Authority
GB
United Kingdom
Prior art keywords
divider
voltage
output
clock
input
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
GB3435272A
Other languages
English (en)
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.)
Wandel and Golterman GmbH and Co
Original Assignee
Wandel and Golterman GmbH and Co
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 Wandel and Golterman GmbH and Co filed Critical Wandel and Golterman GmbH and Co
Publication of GB1411974A publication Critical patent/GB1411974A/en
Expired legal-status Critical Current

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
    • G01R19/25—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Manipulation Of Pulses (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB3435272A 1971-08-05 1972-07-21 Analogue-to-digital converters Expired GB1411974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712139126 DE2139126B2 (de) 1971-08-05 1971-08-05 Digital in logarithmischem mass anzeigender spannungsmesser

Publications (1)

Publication Number Publication Date
GB1411974A true GB1411974A (en) 1975-10-29

Family

ID=5815807

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3435272A Expired GB1411974A (en) 1971-08-05 1972-07-21 Analogue-to-digital converters

Country Status (4)

Country Link
US (1) US3828255A (enExample)
DE (1) DE2139126B2 (enExample)
FR (1) FR2148131A1 (enExample)
GB (1) GB1411974A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970155A (en) * 1974-01-14 1976-07-20 Jo-Line Tools, Inc. Electronic torque wrench
US3895517A (en) * 1974-01-14 1975-07-22 Jo Line Tools Electronic torque wrench
JPS51148341A (en) * 1975-06-16 1976-12-20 Nippon Soken Inc Logarithm function generator
JPS52444A (en) * 1975-06-23 1977-01-05 Advantest Corp Analog-digital converter
US4000463A (en) * 1975-12-01 1976-12-28 Ballantine Laboratories, Inc. Direct-reading decibel meter
US4149120A (en) * 1977-04-06 1979-04-10 Endress & Hauser Gmbh & Co. Circuit arrangement for linearizing the output signal of a test sensor
US4160134A (en) * 1977-08-25 1979-07-03 International Telephone And Telegraph Corporation Digital signal level measurement
US4190825A (en) * 1978-12-20 1980-02-26 General Electric Company Logarithmic analog-to-digital converter
JPS59191929A (ja) * 1983-04-15 1984-10-31 Canon Inc 圧縮形ａ／ｄ変換器
NL8402918A (nl) * 1984-09-25 1986-04-16 Philips Nv Niveau-indikator.
US4643030A (en) * 1985-01-22 1987-02-17 Snap-On Tools Corporation Torque measuring apparatus
US4665358A (en) * 1985-05-23 1987-05-12 General Electric Company Solid state electronic pulse scaler using ratio of two integers
US5703169A (en) * 1996-01-24 1997-12-30 Adhesives Research, Inc. Non-corrosive, low volatiles-containing pressure sensitive adhesive
US6195029B1 (en) * 1998-09-25 2001-02-27 Harman Music Group Analog to digital conversion system that enables high-level signal excursions without clipping
DE19903557C1 (de) * 1999-01-29 2000-08-31 Texas Instruments Deutschland Verfahren zum Messen der Schwellenspannung eines Komparators und Anwendung dieses Verfahrens
GB2479156B (en) 2010-03-30 2012-11-21 Univ Newcastle Apparatus and method for voltage sensing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283254A (en) * 1963-12-06 1966-11-01 Bell Telephone Labor Inc Control system employing counter to generate signals for changing output, linearly or non-linearly, of frequency synthesizer
DE1250550B (enExample) * 1964-12-21
US3716849A (en) * 1970-06-08 1973-02-13 Solarton Electronic Integrating measurements with noise reduction
US3644837A (en) * 1971-01-29 1972-02-22 Us Navy Synchronous facsimile generator

Also Published As

Publication number Publication date
DE2139126B2 (de) 1972-10-12
FR2148131A1 (enExample) 1973-03-16
US3828255A (en) 1974-08-06
DE2139126A1 (enExample) 1972-10-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee