BE718938A - - Google Patents

Info

Publication number
BE718938A
BE718938A BE718938DA BE718938A BE 718938 A BE718938 A BE 718938A BE 718938D A BE718938D A BE 718938DA BE 718938 A BE718938 A BE 718938A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE718938A publication Critical patent/BE718938A/xx

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)
BE718938D 1967-09-14 1968-08-01 BE718938A (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE718938A true BE718938A (xx) 1969-01-16

Family

ID=4388137

Family Applications (1)

Application Number Title Priority Date Filing Date
BE718938D BE718938A (xx) 1967-09-14 1968-08-01

Country Status (12)

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

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 (xx) * 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 (xx) * 1989-03-31 1993-03-31 Landis & Gyr Business Support
CH680620A5 (xx) * 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 (xx) 1972-12-18
DE1591963A1 (de) 1970-08-06
DE1591963C3 (de) 1982-05-13
CH462953A (de) 1968-09-30
AT278171B (de) 1970-01-26
FR1581124A (xx) 1969-09-12
DK136742B (da) 1977-11-14
SE342919B (xx) 1972-02-21
NL145114B (nl) 1975-02-17
JPS4823012B1 (xx) 1973-07-10
GB1186132A (en) 1970-04-02
DE1591963B2 (de) 1973-01-11
NL6808637A (xx) 1969-03-18
DK136742C (xx) 1978-05-01

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: LANDIS & GYR A.G.

Effective date: 19880801