NL153671B - ELECTRICAL MEASUREMENT DEVICE. - Google Patents

ELECTRICAL MEASUREMENT DEVICE.

Info

Publication number
NL153671B
NL153671B NL6911128A NL6911128A NL153671B NL 153671 B NL153671 B NL 153671B NL 6911128 A NL6911128 A NL 6911128A NL 6911128 A NL6911128 A NL 6911128A NL 153671 B NL153671 B NL 153671B
Authority
NL
Netherlands
Prior art keywords
measurement device
electrical measurement
electrical
measurement
Prior art date
Application number
NL6911128A
Other languages
Dutch (nl)
Other versions
NL6911128A (en
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 NL6911128A publication Critical patent/NL6911128A/xx
Publication of NL153671B publication Critical patent/NL153671B/en

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
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06J—HYBRID COMPUTING ARRANGEMENTS
    • G06J1/00—Hybrid computing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Automation & Control Theory (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
  • Load-Engaging Elements For Cranes (AREA)
NL6911128A 1968-10-18 1969-07-21 ELECTRICAL MEASUREMENT DEVICE. NL153671B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1560168A CH472677A (en) 1968-10-18 1968-10-18 Circuit arrangement for measuring electrical energy

Publications (2)

Publication Number Publication Date
NL6911128A NL6911128A (en) 1970-04-21
NL153671B true NL153671B (en) 1977-06-15

Family

ID=4410447

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6911128A NL153671B (en) 1968-10-18 1969-07-21 ELECTRICAL MEASUREMENT DEVICE.

Country Status (11)

Country Link
JP (1) JPS4922159B1 (en)
AT (1) AT287842B (en)
BE (1) BE734752A (en)
CH (1) CH472677A (en)
DE (1) DE1807581C3 (en)
DK (1) DK134205B (en)
FR (1) FR2020958A1 (en)
GB (1) GB1226697A (en)
NL (1) NL153671B (en)
NO (1) NO125511B (en)
SE (1) SE339961B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH462953A (en) * 1967-09-14 1968-09-30 Landis & Gyr Ag Electronic power meter
US3942110A (en) * 1974-05-08 1976-03-02 General Electric Company Analog to pulse rate converter
US3947763A (en) * 1974-05-30 1976-03-30 General Electric Company C-MOS electronic kWh meter and method for metering electrical energy
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
JPS5360675A (en) * 1976-11-12 1978-05-31 Yokogawa Hokushin Electric Corp Converter for power and dc signal
JPS53113250U (en) * 1977-02-16 1978-09-09
JPS53138658U (en) * 1977-04-08 1978-11-02
US4096436A (en) * 1977-05-23 1978-06-20 The Valeron Corporation Power monitor
DE2747385C2 (en) * 1977-10-21 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Electronic alternating current meter
US4147978A (en) * 1977-12-19 1979-04-03 Dupont Energy Management Corporation System for monitoring electrical energy consumption
JPS581388B2 (en) * 1978-07-06 1983-01-11 株式会社東芝 electricity meter
JPS571972A (en) * 1980-06-04 1982-01-07 Toshiba Corp Electronic type electric energy meter
AT392177B (en) * 1984-05-04 1991-02-11 Siemens Ag DEVICE FOR DETECTING THE TORQUE PERFORMANCE ON A PHASE OF AN INVERTER WITH A PRESET INPUT DC VOLTAGE, IN PARTICULAR A PULSE INVERTER
CH680620A5 (en) * 1989-03-31 1992-09-30 Landis & Gyr Betriebs Ag
DE29511680U1 (en) * 1995-07-19 1996-11-21 Niggemeyer, Gert Günther, 21244 Buchholz Multiplication circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919408A (en) * 1957-08-23 1959-12-29 Harold J Brown Electronic watthour meter

Also Published As

Publication number Publication date
AT287842B (en) 1971-02-10
GB1226697A (en) 1971-03-31
JPS4922159B1 (en) 1974-06-06
DE1807581B2 (en) 1971-04-08
CH472677A (en) 1969-05-15
DE1807581C3 (en) 1973-07-05
FR2020958A1 (en) 1970-07-17
DK134205C (en) 1977-02-28
DK134205B (en) 1976-09-27
SE339961B (en) 1971-11-01
BE734752A (en) 1969-12-01
NO125511B (en) 1972-09-18
DE1807581A1 (en) 1970-05-14
NL6911128A (en) 1970-04-21

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: LGZ

V4 Lapsed because of reaching the maxim lifetime of a patent