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
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)
- Mathematical Physics (AREA)
- Power Engineering (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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2919408A (en) * | 1957-08-23 | 1959-12-29 | Harold J Brown | Electronic watthour meter |
-
1968
- 1968-10-18 CH CH1560168A patent/CH472677A/en not_active IP Right Cessation
- 1968-11-04 DE DE19681807581 patent/DE1807581C3/en not_active Expired
-
1969
- 1969-05-27 AT AT502469A patent/AT287842B/en not_active IP Right Cessation
- 1969-06-17 FR FR6920081A patent/FR2020958A1/fr active Pending
- 1969-06-18 BE BE734752D patent/BE734752A/xx not_active IP Right Cessation
- 1969-07-21 NL NL6911128A patent/NL153671B/en not_active IP Right Cessation
- 1969-07-24 JP JP44058675A patent/JPS4922159B1/ja active Pending
- 1969-08-22 SE SE1167769A patent/SE339961B/xx unknown
- 1969-08-29 NO NO347069A patent/NO125511B/no unknown
- 1969-10-13 GB GB1226697D patent/GB1226697A/en not_active Expired
- 1969-10-17 DK DK552769A patent/DK134205B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK134205C (en) | 1977-02-28 |
FR2020958A1 (en) | 1970-07-17 |
NO125511B (en) | 1972-09-18 |
NL6911128A (en) | 1970-04-21 |
DE1807581A1 (en) | 1970-05-14 |
BE734752A (en) | 1969-12-01 |
DE1807581B2 (en) | 1971-04-08 |
AT287842B (en) | 1971-02-10 |
SE339961B (en) | 1971-11-01 |
CH472677A (en) | 1969-05-15 |
JPS4922159B1 (en) | 1974-06-06 |
DK134205B (en) | 1976-09-27 |
GB1226697A (en) | 1971-03-31 |
DE1807581C3 (en) | 1973-07-05 |
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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 |