GR81475B - - Google Patents
Info
- Publication number
- GR81475B GR81475B GR74431A GR840174431A GR81475B GR 81475 B GR81475 B GR 81475B GR 74431 A GR74431 A GR 74431A GR 840174431 A GR840174431 A GR 840174431A GR 81475 B GR81475 B GR 81475B
- Authority
- GR
- Greece
- Prior art keywords
- current
- antenna
- control unit
- coded signal
- power line
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/085—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning for detecting presence or location of electric lines or cables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
-
- 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
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Alarm Devices (AREA)
- Electronic Switches (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Near-Field Transmission Systems (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Electric Cable Installation (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000433141A CA1199386A (fr) | 1983-07-25 | 1983-07-25 | Methode et systeme de detection de proximite de lignes electriques |
Publications (1)
Publication Number | Publication Date |
---|---|
GR81475B true GR81475B (el) | 1984-12-11 |
Family
ID=4125741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR74431A GR81475B (el) | 1983-07-25 | 1984-04-16 |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0134943B1 (el) |
JP (2) | JPS6039313A (el) |
KR (1) | KR910002793B1 (el) |
AT (1) | ATE41708T1 (el) |
AU (1) | AU566331B2 (el) |
BR (1) | BR8403757A (el) |
CA (1) | CA1199386A (el) |
DE (1) | DE3477424D1 (el) |
ES (2) | ES531934A0 (el) |
GR (1) | GR81475B (el) |
IN (1) | IN161136B (el) |
MX (1) | MX158866A (el) |
NZ (1) | NZ207838A (el) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0324217A1 (en) * | 1988-01-13 | 1989-07-19 | Texaco Development Corporation | Safety system and method |
AU597035B2 (en) * | 1986-03-07 | 1990-05-24 | Nec Corporation | Mobile receiver unit having function for providing information of electric field intensity |
US4755805A (en) * | 1986-05-22 | 1988-07-05 | Flowmole Corporation | Current sensing alarm arrangement for monitoring the presence of high voltage |
GB8623843D0 (en) * | 1986-10-03 | 1987-10-21 | Airtech Ltd | Detection of unsafe voltages on mobile equipment |
FR2616549B1 (fr) * | 1987-06-10 | 1989-10-27 | Bardin | Dispositif de detection et de mesure de defauts de transmission de l'energie electrique dans les lignes polyphasees equilibrees |
GB2217026A (en) * | 1988-01-20 | 1989-10-18 | Trolex Limited | Voltage sensor |
SE9704816L (sv) * | 1997-12-22 | 1999-04-19 | Ep International Ab | Sätt och anordning för att fånga upp och behandla elektriska signaler |
KR100317692B1 (ko) * | 1998-10-02 | 2001-12-22 | 도나휴 데니스 비. | 폴 경보 시스템 |
KR100538853B1 (ko) * | 2002-10-15 | 2005-12-23 | 엘지전자 주식회사 | 광디스크 장치에서의 텔레비전 주사방식에 따른 출력신호처리방법 |
CN101819227A (zh) * | 2010-03-10 | 2010-09-01 | 国网电力科学研究院 | 800kV特高压直流非接触多通道测距式验电器 |
CN101876673A (zh) * | 2010-05-27 | 2010-11-03 | 国网电力科学研究院 | 特高压直流非接触测距式验电方法 |
CN101833046A (zh) * | 2010-05-27 | 2010-09-15 | 国网电力科学研究院 | 特高压交流非接触测距式验电方法 |
CN103344818B (zh) * | 2013-06-19 | 2015-11-18 | 国家电网公司 | 非接触式验电器和验电方法 |
CN107941273B (zh) * | 2017-11-15 | 2022-01-18 | 国网湖南省电力公司检修公司 | 一种带电作业安全预警方法和装置 |
DE102020134199A1 (de) | 2020-12-18 | 2022-06-23 | PEEK GmbH | Verfahren und vorrichtung zur detektion von elektrischen spannungen und/oder elektrischen strömen |
CN113872152B (zh) * | 2021-12-01 | 2022-04-05 | 国网山东省电力公司高密市供电公司 | 一种电力电子监护系统及其工作方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3774110A (en) * | 1971-11-05 | 1973-11-20 | Woodhead Inc | Static electric field detector |
AU502946B2 (en) * | 1976-07-08 | 1979-08-16 | Crane Products Mfg Co. Inc. | Proximity alarm |
IT1153796B (it) * | 1980-04-03 | 1987-01-21 | Marco Bini | Segnalatore di rischio da campi elettrici o magnetici a radiofrequenza |
-
1983
- 1983-07-25 CA CA000433141A patent/CA1199386A/fr not_active Expired
-
1984
- 1984-04-10 IN IN315/DEL/84A patent/IN161136B/en unknown
- 1984-04-13 NZ NZ207838A patent/NZ207838A/en unknown
- 1984-04-16 GR GR74431A patent/GR81475B/el unknown
- 1984-04-19 AU AU27082/84A patent/AU566331B2/en not_active Ceased
- 1984-04-26 ES ES531934A patent/ES531934A0/es active Granted
- 1984-05-11 KR KR1019840002543A patent/KR910002793B1/ko not_active IP Right Cessation
- 1984-06-29 AT AT84107527T patent/ATE41708T1/de not_active IP Right Cessation
- 1984-06-29 DE DE8484107527T patent/DE3477424D1/de not_active Expired
- 1984-06-29 EP EP84107527A patent/EP0134943B1/en not_active Expired
- 1984-07-23 JP JP59151463A patent/JPS6039313A/ja active Pending
- 1984-07-24 MX MX202127A patent/MX158866A/es unknown
- 1984-07-25 BR BR8403757A patent/BR8403757A/pt not_active IP Right Cessation
- 1984-11-02 ES ES537320A patent/ES537320A0/es active Granted
-
1989
- 1989-05-01 JP JP1989050274U patent/JPH01166433U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ATE41708T1 (de) | 1989-04-15 |
ES8602309A1 (es) | 1985-11-01 |
JPS6039313A (ja) | 1985-03-01 |
ES537320A0 (es) | 1985-11-01 |
JPH01166433U (el) | 1989-11-21 |
ES8506905A1 (es) | 1985-08-01 |
IN161136B (el) | 1987-10-10 |
AU2708284A (en) | 1985-01-31 |
CA1199386A (fr) | 1986-01-14 |
BR8403757A (pt) | 1985-07-02 |
NZ207838A (en) | 1987-10-30 |
KR910002793B1 (ko) | 1991-05-04 |
DE3477424D1 (en) | 1989-04-27 |
EP0134943B1 (en) | 1989-03-22 |
KR850001637A (ko) | 1985-03-30 |
AU566331B2 (en) | 1987-10-15 |
EP0134943A1 (en) | 1985-03-27 |
MX158866A (es) | 1989-03-22 |
ES531934A0 (es) | 1985-08-01 |
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