SE7609519L - Anordning for berekning av amplitudverden - Google Patents
Anordning for berekning av amplitudverdenInfo
- Publication number
- SE7609519L SE7609519L SE7609519A SE7609519A SE7609519L SE 7609519 L SE7609519 L SE 7609519L SE 7609519 A SE7609519 A SE 7609519A SE 7609519 A SE7609519 A SE 7609519A SE 7609519 L SE7609519 L SE 7609519L
- Authority
- SE
- Sweden
- Prior art keywords
- comparator
- combination
- adder
- amplite
- world
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Phase Differences (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50104055A JPS5228364A (en) | 1975-08-29 | 1975-08-29 | Amplitude value calculating apparatus |
JP50104054A JPS5228363A (en) | 1975-08-29 | 1975-08-29 | Amplitude value calculating appartus |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7609519L true SE7609519L (sv) | 1977-03-01 |
SE412469B SE412469B (sv) | 1980-03-03 |
Family
ID=26444606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7609519A SE412469B (sv) | 1975-08-29 | 1976-08-27 | Anordning for berekning av amplitudverden |
Country Status (6)
Country | Link |
---|---|
US (1) | US4073008A (sv) |
AU (1) | AU505684B2 (sv) |
CA (1) | CA1080363A (sv) |
CH (1) | CH615279A5 (sv) |
GB (1) | GB1538513A (sv) |
SE (1) | SE412469B (sv) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4218736A (en) * | 1978-04-03 | 1980-08-19 | Takeda Riken Kogyo Kabushikikaisha | Effective value measuring apparatus |
US4625283A (en) * | 1982-05-07 | 1986-11-25 | Cooper Industries, Inc. | Method and apparatus for digitally measuring alternating current |
CN1006511B (zh) * | 1985-11-07 | 1990-01-17 | 株式会社东芝 | 电力系统的情报数据输出装置 |
US11355915B2 (en) * | 2018-04-25 | 2022-06-07 | Mitsubishi Electric Corporation | Protection relay |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3524075A (en) * | 1967-08-02 | 1970-08-11 | Honeywell Inc | Control apparatus |
FR1550432A (sv) * | 1967-11-08 | 1968-12-20 | ||
US3569785A (en) * | 1968-07-09 | 1971-03-09 | Ibm | Power system protective relaying by time-coordinated sampling and calculation |
JPS4942713B1 (sv) * | 1970-11-09 | 1974-11-16 | ||
JPS526039B2 (sv) * | 1971-12-17 | 1977-02-18 |
-
1976
- 1976-08-26 US US05/717,942 patent/US4073008A/en not_active Expired - Lifetime
- 1976-08-27 CH CH1087476A patent/CH615279A5/fr not_active IP Right Cessation
- 1976-08-27 SE SE7609519A patent/SE412469B/sv unknown
- 1976-08-27 GB GB35785/76A patent/GB1538513A/en not_active Expired
- 1976-08-27 CA CA260,097A patent/CA1080363A/en not_active Expired
- 1976-08-30 AU AU17290/76A patent/AU505684B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU505684B2 (en) | 1979-11-29 |
CH615279A5 (sv) | 1980-01-15 |
GB1538513A (en) | 1979-01-17 |
SE412469B (sv) | 1980-03-03 |
AU1729076A (en) | 1978-03-09 |
CA1080363A (en) | 1980-06-24 |
US4073008A (en) | 1978-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAL | Patent in force |
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