GB1058942A - Improvements in digital voltmeters - Google Patents

Improvements in digital voltmeters

Info

Publication number
GB1058942A
GB1058942A GB31577/64A GB3157764A GB1058942A GB 1058942 A GB1058942 A GB 1058942A GB 31577/64 A GB31577/64 A GB 31577/64A GB 3157764 A GB3157764 A GB 3157764A GB 1058942 A GB1058942 A GB 1058942A
Authority
GB
United Kingdom
Prior art keywords
switch
amplifier
capacitor
input
zero
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
GB31577/64A
Other languages
English (en)
Inventor
Eric Metcalf
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.)
Gemalto Terminals Ltd
Original Assignee
Solartron Electronic Group 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 Solartron Electronic Group Ltd filed Critical Solartron Electronic Group Ltd
Priority to GB31577/64A priority Critical patent/GB1058942A/en
Priority to FR22915A priority patent/FR1452106A/fr
Priority to NL6508585A priority patent/NL6508585A/xx
Priority to DEP1271A priority patent/DE1271257B/de
Priority to US475076A priority patent/US3287723A/en
Publication of GB1058942A publication Critical patent/GB1058942A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/02—Reversible analogue/digital converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Amplifiers (AREA)
GB31577/64A 1964-08-04 1964-08-04 Improvements in digital voltmeters Expired GB1058942A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB31577/64A GB1058942A (en) 1964-08-04 1964-08-04 Improvements in digital voltmeters
FR22915A FR1452106A (fr) 1964-08-04 1965-06-30 Voltmètre numérique à affichage logarithmique
NL6508585A NL6508585A (https=) 1964-08-04 1965-07-02
DEP1271A DE1271257B (de) 1964-08-04 1965-07-21 Digitaler Spannungsmesser
US475076A US3287723A (en) 1964-08-04 1965-07-27 Digital voltmeters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31577/64A GB1058942A (en) 1964-08-04 1964-08-04 Improvements in digital voltmeters

Publications (1)

Publication Number Publication Date
GB1058942A true GB1058942A (en) 1967-02-15

Family

ID=10325205

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31577/64A Expired GB1058942A (en) 1964-08-04 1964-08-04 Improvements in digital voltmeters

Country Status (4)

Country Link
US (1) US3287723A (https=)
DE (1) DE1271257B (https=)
GB (1) GB1058942A (https=)
NL (1) NL6508585A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2041133A1 (https=) * 1969-04-04 1971-01-29 Weston Instruments Inc

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL137500C (https=) * 1964-04-23
US3794892A (en) * 1965-03-16 1974-02-26 United Aircraft Corp Semiconductive encoder
US3368149A (en) * 1965-06-04 1968-02-06 Data Technology Corp Digital voltmeter having a capacitor charged by an unknown voltage and discharged bya known voltage
US3475748A (en) * 1965-08-09 1969-10-28 Robert J Price Gain stabilization device
US3467865A (en) * 1965-12-23 1969-09-16 Perkin Elmer Corp Logarithmic ratiometer with digital output
US3478348A (en) * 1966-05-02 1969-11-11 Lindsay Molyneux Analogue to digital converter
US3528749A (en) * 1966-12-09 1970-09-15 Itek Corp Apparatus for measuring optical density
USRE28833E (en) * 1967-10-25 1976-05-25 The Solartron Electronic Group Limited Analogue to digital converter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3188455A (en) * 1960-12-29 1965-06-08 Ibm Integrating means
GB950647A (en) * 1961-08-24 1964-02-26 Solartron Electronic Group Improvements in and relating to digital voltmeters
DE1184415B (de) * 1962-06-05 1964-12-31 Bodenseewerk Perkin Elmer Co Spannungs-Frequenz-Umsetzer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2041133A1 (https=) * 1969-04-04 1971-01-29 Weston Instruments Inc

Also Published As

Publication number Publication date
US3287723A (en) 1966-11-22
DE1271257B (de) 1968-06-27
NL6508585A (https=) 1966-02-07

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