DK121879A - Fremgangsmaade for og apparat til fasefoelsom detektion - Google Patents

Fremgangsmaade for og apparat til fasefoelsom detektion

Info

Publication number
DK121879A
DK121879A DK121879A DK121879A DK121879A DK 121879 A DK121879 A DK 121879A DK 121879 A DK121879 A DK 121879A DK 121879 A DK121879 A DK 121879A DK 121879 A DK121879 A DK 121879A
Authority
DK
Denmark
Prior art keywords
procedure
sensitive detection
phase sensitive
phase
detection
Prior art date
Application number
DK121879A
Other languages
English (en)
Inventor
H P Hall
Original Assignee
Genrad Inc
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 Genrad Inc filed Critical Genrad Inc
Publication of DK121879A publication Critical patent/DK121879A/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • G01R25/08—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents by counting of standard pulses
    • 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
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
    • H03M1/1245—Details of sampling arrangements or methods
    • H03M1/1255—Synchronisation of the sampling frequency or phase to the input frequency or phase
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0614—Continuously compensating for, or preventing, undesired influence of physical parameters of harmonic distortion
    • 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
    • H03M1/52—Input signal integrated with linear return to datum

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Measuring Phase Differences (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DK121879A 1978-03-24 1979-03-26 Fremgangsmaade for og apparat til fasefoelsom detektion DK121879A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/889,654 US4181949A (en) 1978-03-24 1978-03-24 Method of and apparatus for phase-sensitive detection

Publications (1)

Publication Number Publication Date
DK121879A true DK121879A (da) 1979-09-25

Family

ID=25395524

Family Applications (1)

Application Number Title Priority Date Filing Date
DK121879A DK121879A (da) 1978-03-24 1979-03-26 Fremgangsmaade for og apparat til fasefoelsom detektion

Country Status (7)

Country Link
US (1) US4181949A (da)
CA (1) CA1125435A (da)
DE (1) DE2912264A1 (da)
DK (1) DK121879A (da)
FR (1) FR2420765A1 (da)
GB (2) GB2017438B (da)
IT (1) IT7948473A0 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546441A (en) * 1982-07-22 1985-10-08 John Burch Method and apparatus for time based measurement of impedance
JPS62204166A (ja) * 1986-03-04 1987-09-08 Yokogawa Hewlett Packard Ltd ベクトル電圧比測定装置
GB2215062B (en) * 1988-02-19 1991-12-04 Yazaki Corp Sensor signal integrating method
US20100046690A1 (en) * 2008-08-22 2010-02-25 Nucsafe, Inc. Apparatus and Method for Detection of Fissile Material Using Active Interrogation
US9791487B2 (en) * 2012-03-29 2017-10-17 Egalax_Empia Technology Inc. Method and device for measuring signals

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445763A (en) * 1965-10-06 1969-05-20 Gen Electric Digital reading impedance measuring arrangement
US3517298A (en) * 1968-07-09 1970-06-23 Peter L Richman Harmonic-insensitive gated a.c.-to-d.c. converter
JPS5648835B2 (da) * 1972-11-15 1981-11-18
US3879724A (en) * 1973-11-19 1975-04-22 Vidar Corp Integrating analog to digital converter
US3876933A (en) * 1973-12-28 1975-04-08 Itt Resistance measuring instrument with linearized digital readout
US4081800A (en) * 1974-10-24 1978-03-28 Tokyo Shibaura Electric Co., Ltd. Analog-to-digital converter

Also Published As

Publication number Publication date
FR2420765A1 (fr) 1979-10-19
US4181949A (en) 1980-01-01
GB2017438B (en) 1983-03-16
IT7948473A0 (it) 1979-03-26
CA1125435A (en) 1982-06-08
GB2102226B (en) 1983-06-29
GB2017438A (en) 1979-10-03
FR2420765B1 (da) 1985-03-08
GB2102226A (en) 1983-01-26
DE2912264A1 (de) 1979-10-25

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment