FI257274A - - Google Patents
Info
- Publication number
- FI257274A FI257274A FI2572/74A FI257274A FI257274A FI 257274 A FI257274 A FI 257274A FI 2572/74 A FI2572/74 A FI 2572/74A FI 257274 A FI257274 A FI 257274A FI 257274 A FI257274 A FI 257274A
- Authority
- FI
- Finland
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
- G01R19/10—Measuring sum, difference or ratio
-
- 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
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Measurement Of Current Or Voltage (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Noise Elimination (AREA)
- Radar Systems Or Details Thereof (AREA)
- Testing Relating To Insulation (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7312088 | 1973-09-05 | ||
| SE7312088A SE379429B (fi) | 1973-09-05 | 1973-09-05 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI257274A true FI257274A (fi) | 1975-03-06 |
| FI58702B FI58702B (fi) | 1980-11-28 |
| FI58702C FI58702C (fi) | 1981-03-10 |
Family
ID=20318447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2572/74A FI58702C (fi) | 1973-09-05 | 1974-09-03 | Saett och anordning att pao optimalt saett bestaemma stoerda signaler |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3953793A (fi) |
| JP (1) | JPS5077066A (fi) |
| CA (1) | CA1010504A (fi) |
| DE (1) | DE2441926C3 (fi) |
| DK (1) | DK140865B (fi) |
| FI (1) | FI58702C (fi) |
| FR (1) | FR2242687B1 (fi) |
| GB (1) | GB1470608A (fi) |
| NL (1) | NL7411756A (fi) |
| NO (1) | NO137566C (fi) |
| SE (1) | SE379429B (fi) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1536850A (en) * | 1975-09-15 | 1978-12-20 | Racal Instruments Ltd | Electrical measuring and noise suppression circuitry |
| US4156182A (en) * | 1976-09-13 | 1979-05-22 | The Boeing Company | Lightning strike detector |
| DE2819776A1 (de) * | 1978-05-05 | 1979-11-15 | Teradyne Inc | Verfahren und vorrichtung zur pruefung einer elektrischen leitung |
| EP0056116B1 (en) * | 1980-12-16 | 1986-03-19 | Kabushiki Kaisha Toshiba | Pattern discriminating apparatus |
| JPS5924271A (ja) * | 1982-07-30 | 1984-02-07 | Tokyo Electric Power Co Inc:The | 受信装置 |
| GB8619123D0 (en) * | 1986-08-05 | 1986-09-17 | Micro Design Associates | Analogue signalling technique |
| DE3836115A1 (de) * | 1988-10-22 | 1990-04-26 | Bodenseewerk Geraetetech | Filter zur gewinnung eines zeitlich konstanten nutzsignals aus einem verrauschten messsignal |
| FR2726656B1 (fr) * | 1994-11-07 | 1997-01-17 | Metrix | Procede d'optimisation d'un appareil de mesure numerique presentant deux modes, rapide et lent, de conversion analogique-numerique et appareil pour sa mise en oeuvre |
| US20030056124A1 (en) * | 2001-09-19 | 2003-03-20 | Amick Brian W. | Digital-based mechanism for determining voltage |
| TWI758831B (zh) * | 2020-08-21 | 2022-03-21 | 安雷科技股份有限公司 | 雷擊計數器與雷擊計數方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3654424A (en) * | 1970-03-23 | 1972-04-04 | Robotron Corp | Quotient circuit |
| US3866128A (en) * | 1973-06-25 | 1975-02-11 | Nasa | Random pulse generator |
-
1973
- 1973-09-05 SE SE7312088A patent/SE379429B/xx unknown
-
1974
- 1974-09-02 DE DE2441926A patent/DE2441926C3/de not_active Expired
- 1974-09-03 GB GB3834974A patent/GB1470608A/en not_active Expired
- 1974-09-03 FI FI2572/74A patent/FI58702C/fi active
- 1974-09-04 NO NO743168A patent/NO137566C/no unknown
- 1974-09-04 NL NL7411756A patent/NL7411756A/xx not_active Application Discontinuation
- 1974-09-04 US US05/503,179 patent/US3953793A/en not_active Expired - Lifetime
- 1974-09-04 CA CA208,398A patent/CA1010504A/en not_active Expired
- 1974-09-05 FR FR7430194A patent/FR2242687B1/fr not_active Expired
- 1974-09-05 DK DK469574AA patent/DK140865B/da not_active Application Discontinuation
- 1974-09-05 JP JP49102881A patent/JPS5077066A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FI58702B (fi) | 1980-11-28 |
| DE2441926B2 (de) | 1980-05-22 |
| US3953793A (en) | 1976-04-27 |
| SE379429B (fi) | 1975-10-06 |
| FI58702C (fi) | 1981-03-10 |
| JPS5077066A (fi) | 1975-06-24 |
| FR2242687A1 (fi) | 1975-03-28 |
| DE2441926C3 (de) | 1981-01-15 |
| DK140865B (da) | 1979-11-26 |
| NO137566C (no) | 1978-03-15 |
| SE7312088L (fi) | 1975-03-06 |
| DE2441926A1 (de) | 1975-03-13 |
| FR2242687B1 (fi) | 1978-07-13 |
| NL7411756A (nl) | 1975-03-07 |
| NO743168L (fi) | 1975-04-01 |
| DK469574A (fi) | 1975-05-05 |
| NO137566B (no) | 1977-12-05 |
| CA1010504A (en) | 1977-05-17 |
| GB1470608A (en) | 1977-04-14 |