DK136742B - Amplitudemoduleret multivibratorkobling til måling af vekselstrømseffekter. - Google Patents

Amplitudemoduleret multivibratorkobling til måling af vekselstrømseffekter.

Info

Publication number
DK136742B
DK136742B DK376768AA DK376768A DK136742B DK 136742 B DK136742 B DK 136742B DK 376768A A DK376768A A DK 376768AA DK 376768 A DK376768 A DK 376768A DK 136742 B DK136742 B DK 136742B
Authority
DK
Denmark
Prior art keywords
measuring
power
amplitude modulated
multivibrator
coupling
Prior art date
Application number
DK376768AA
Other languages
Danish (da)
English (en)
Other versions
DK136742C (de
Inventor
Jakob Henk De Vries
Original Assignee
Landis & Gyr 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
Application filed by Landis & Gyr Ag filed Critical Landis & Gyr Ag
Publication of DK136742B publication Critical patent/DK136742B/da
Application granted granted Critical
Publication of DK136742C publication Critical patent/DK136742C/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/10—Combined modulation, e.g. rate modulation and amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Amplitude Modulation (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DK376768AA 1967-09-14 1968-08-05 Amplitudemoduleret multivibratorkobling til måling af vekselstrømseffekter. DK136742B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1297367A CH462953A (de) 1967-09-14 1967-09-14 Elektronische Leistungsmesseinrichtung

Publications (2)

Publication Number Publication Date
DK136742B true DK136742B (da) 1977-11-14
DK136742C DK136742C (de) 1978-05-01

Family

ID=4388137

Family Applications (1)

Application Number Title Priority Date Filing Date
DK376768AA DK136742B (da) 1967-09-14 1968-08-05 Amplitudemoduleret multivibratorkobling til måling af vekselstrømseffekter.

Country Status (12)

Country Link
US (1) US3602843A (de)
JP (1) JPS4823012B1 (de)
AT (1) AT278171B (de)
BE (1) BE718938A (de)
CH (1) CH462953A (de)
DE (1) DE1591963C3 (de)
DK (1) DK136742B (de)
FR (1) FR1581124A (de)
GB (1) GB1186132A (de)
NL (1) NL145114B (de)
NO (1) NO126099B (de)
SE (1) SE342919B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29079E (en) * 1970-01-27 1976-12-14 Motor Finance Corporation Multiplier, divider and wattmeter using a switching circuit and a pulse-width and frequency modulator
US3746851A (en) * 1971-12-21 1973-07-17 Technical Management Services Multiplier, divider and wattmeter using a switching circuit and a pulse-width and frequency modulator
DE2206223A1 (de) * 1972-02-10 1973-08-23 Siemens Ag Elektronische multipliziereinrichtung nach dem time-division-verfahren
US3976912A (en) * 1972-02-23 1976-08-24 Owens-Illinois, Inc. Electrical supply system and method for improving the operating characteristics of gaseous discharge display panels
US3955138A (en) * 1974-11-06 1976-05-04 General Electric Company Electronic energy consumption meter with input transformer having single resistance terminated secondary winding coupled to C-MOS switches driven by pulse width modulated control signals
DE2747385C2 (de) * 1977-10-21 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Elektronischer Wechselstromzähler
JPS54163624U (de) * 1978-05-08 1979-11-16
US4217546A (en) * 1978-12-11 1980-08-12 General Electric Company Electronic energy consumption meter and system with automatic error correction
CH659140A5 (de) * 1982-11-30 1986-12-31 Landis & Gyr Ag Mark-space-amplituden-modulator zur ermittlung eines verbrauchs von blindleistung oder von blindenergie.
CH681491A5 (de) * 1989-03-31 1993-03-31 Landis & Gyr Business Support
CH680620A5 (de) * 1989-03-31 1992-09-30 Landis & Gyr Betriebs Ag
DE29511680U1 (de) * 1995-07-19 1996-11-21 Niggemeyer Gert Guenther Multiplikationsschaltung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH472677A (de) * 1968-10-18 1969-05-15 Landis & Gyr Ag Schaltungsanordnung zur Messung elektrischer Energie

Also Published As

Publication number Publication date
US3602843A (en) 1971-08-31
NO126099B (de) 1972-12-18
DE1591963A1 (de) 1970-08-06
DE1591963C3 (de) 1982-05-13
CH462953A (de) 1968-09-30
AT278171B (de) 1970-01-26
FR1581124A (de) 1969-09-12
SE342919B (de) 1972-02-21
BE718938A (de) 1969-01-16
NL145114B (nl) 1975-02-17
JPS4823012B1 (de) 1973-07-10
GB1186132A (en) 1970-04-02
DE1591963B2 (de) 1973-01-11
NL6808637A (de) 1969-03-18
DK136742C (de) 1978-05-01

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