ZA200404712B - Device for driving the transmission antennas of electromagnetic detection systems. - Google Patents
Device for driving the transmission antennas of electromagnetic detection systems. Download PDFInfo
- Publication number
- ZA200404712B ZA200404712B ZA200404712A ZA200404712A ZA200404712B ZA 200404712 B ZA200404712 B ZA 200404712B ZA 200404712 A ZA200404712 A ZA 200404712A ZA 200404712 A ZA200404712 A ZA 200404712A ZA 200404712 B ZA200404712 B ZA 200404712B
- Authority
- ZA
- South Africa
- Prior art keywords
- amplifier
- transmission
- bridge
- branches
- antenna element
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims description 78
- 238000001514 detection method Methods 0.000 title claims description 26
- 230000005672 electromagnetic field Effects 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 8
- 230000001052 transient effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005534 acoustic noise Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/04—Screened antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Transmitters (AREA)
- Burglar Alarm Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Emergency Protection Circuit Devices (AREA)
- Alarm Systems (AREA)
- Support Of Aerials (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0116766A FR2834132B1 (fr) | 2001-12-21 | 2001-12-21 | Dispositif pour le pilotage des antennes d'emission des systemes de detection electromagnetiques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200404712B true ZA200404712B (en) | 2005-05-24 |
Family
ID=8870916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200404712A ZA200404712B (en) | 2001-12-21 | 2004-06-14 | Device for driving the transmission antennas of electromagnetic detection systems. |
Country Status (17)
| Country | Link |
|---|---|
| US (2) | US20050095983A1 (zh) |
| EP (1) | EP1456905B1 (zh) |
| JP (1) | JP4095964B2 (zh) |
| CN (1) | CN100452101C (zh) |
| AT (1) | ATE300792T1 (zh) |
| AU (1) | AU2002364661A1 (zh) |
| CA (1) | CA2470160A1 (zh) |
| DE (1) | DE60205277T2 (zh) |
| ES (1) | ES2247426T3 (zh) |
| FR (1) | FR2834132B1 (zh) |
| HU (1) | HU226181B1 (zh) |
| IL (2) | IL162453A0 (zh) |
| MX (1) | MXPA04005842A (zh) |
| PL (1) | PL371772A1 (zh) |
| RU (1) | RU2308130C2 (zh) |
| WO (1) | WO2003055005A1 (zh) |
| ZA (1) | ZA200404712B (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2910749B1 (fr) * | 2006-12-22 | 2010-12-17 | Valeo Securite Habitacle | Dispositif d'emission-reception de signaux pour vehicule automobile |
| DE102007043124B4 (de) * | 2007-09-10 | 2016-03-31 | Denso Corporation | Vorrichtung und Verfahren für eine Radiowellenübertragung |
| EP3235267B1 (en) * | 2014-12-17 | 2018-08-08 | Widex A/S | A hearing aid |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4274090A (en) * | 1980-02-19 | 1981-06-16 | Knogo Corporation | Detection of articles in adjacent passageways |
| CN2050632U (zh) * | 1987-10-23 | 1990-01-03 | 张刚 | 双线全自动感应式警卫防盗仪 |
| FR2624671B1 (fr) * | 1987-12-09 | 1990-12-14 | Merlin Gerin | Dispositif de commande d'un interrupteur statique |
| US4963880A (en) * | 1988-05-03 | 1990-10-16 | Identitech | Coplanar single-coil dual function transmit and receive antenna for proximate surveillance system |
| US4949050A (en) * | 1989-09-12 | 1990-08-14 | Harris Corporation | RF power amplifier system having amplifier protection |
| FR2705844B1 (fr) * | 1993-05-28 | 1995-07-21 | Thomson Csf | Procédé et dispositif de modulation en amplitude d'un signal radiofréquence. |
| US5748891A (en) * | 1994-07-22 | 1998-05-05 | Aether Wire & Location | Spread spectrum localizers |
| EP0798681A1 (en) * | 1996-03-29 | 1997-10-01 | Sensormatic Electronics Corporation | Pulsed interrogation signal in harmonic EAS system |
| US5844130A (en) * | 1996-04-03 | 1998-12-01 | Ssi Technologies | Apparatus for maintaining a constant radial distance between a transmitting circuit and an antenna coil |
| US6204729B1 (en) * | 1997-12-19 | 2001-03-20 | Nikon Research Corporation Of America | H-bridge power amplifier for a motor |
| US6366474B1 (en) * | 2000-09-29 | 2002-04-02 | Jeff Gucyski | Switching power supplies incorporating power factor correction and/or switching at resonant transition |
-
2001
- 2001-12-21 FR FR0116766A patent/FR2834132B1/fr not_active Expired - Fee Related
-
2002
- 2002-12-17 IL IL16245302A patent/IL162453A0/xx unknown
- 2002-12-17 ES ES02805395T patent/ES2247426T3/es not_active Expired - Lifetime
- 2002-12-17 PL PL02371772A patent/PL371772A1/xx unknown
- 2002-12-17 DE DE60205277T patent/DE60205277T2/de not_active Expired - Fee Related
- 2002-12-17 HU HU0402353A patent/HU226181B1/hu not_active IP Right Cessation
- 2002-12-17 AT AT02805395T patent/ATE300792T1/de not_active IP Right Cessation
- 2002-12-17 RU RU2004122390/09A patent/RU2308130C2/ru not_active IP Right Cessation
- 2002-12-17 AU AU2002364661A patent/AU2002364661A1/en not_active Abandoned
- 2002-12-17 EP EP02805395A patent/EP1456905B1/fr not_active Expired - Lifetime
- 2002-12-17 CA CA002470160A patent/CA2470160A1/fr not_active Abandoned
- 2002-12-17 US US10/499,267 patent/US20050095983A1/en not_active Abandoned
- 2002-12-17 CN CNB028256514A patent/CN100452101C/zh not_active Expired - Fee Related
- 2002-12-17 MX MXPA04005842A patent/MXPA04005842A/es active IP Right Grant
- 2002-12-17 WO PCT/FR2002/004400 patent/WO2003055005A1/fr active IP Right Grant
- 2002-12-17 JP JP2003555619A patent/JP4095964B2/ja not_active Expired - Fee Related
-
2004
- 2004-06-10 IL IL162453A patent/IL162453A/en not_active IP Right Cessation
- 2004-06-14 ZA ZA200404712A patent/ZA200404712B/en unknown
-
2007
- 2007-11-07 US US11/936,371 patent/US20080119146A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1456905B1 (fr) | 2005-07-27 |
| AU2002364661A1 (en) | 2003-07-09 |
| FR2834132A1 (fr) | 2003-06-27 |
| RU2004122390A (ru) | 2006-01-20 |
| ES2247426T3 (es) | 2006-03-01 |
| IL162453A (en) | 2009-11-18 |
| MXPA04005842A (es) | 2004-09-10 |
| JP2005528673A (ja) | 2005-09-22 |
| CN1606816A (zh) | 2005-04-13 |
| CA2470160A1 (fr) | 2003-07-03 |
| CN100452101C (zh) | 2009-01-14 |
| JP4095964B2 (ja) | 2008-06-04 |
| PL371772A1 (en) | 2005-06-27 |
| WO2003055005A1 (fr) | 2003-07-03 |
| US20080119146A1 (en) | 2008-05-22 |
| RU2308130C2 (ru) | 2007-10-10 |
| IL162453A0 (en) | 2005-11-20 |
| US20050095983A1 (en) | 2005-05-05 |
| DE60205277D1 (de) | 2005-09-01 |
| FR2834132B1 (fr) | 2005-03-18 |
| HU226181B1 (en) | 2008-06-30 |
| HUP0402353A2 (hu) | 2005-02-28 |
| ATE300792T1 (de) | 2005-08-15 |
| EP1456905A1 (fr) | 2004-09-15 |
| DE60205277T2 (de) | 2006-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109742870B (zh) | 无线电力传送装置 | |
| US5493312A (en) | Reduced current antenna circuit | |
| JP2014521289A (ja) | 誘導結合電力伝送受電装置 | |
| KR101021560B1 (ko) | 유도 가열 또는 용융용 전원 장치 | |
| JP5811292B2 (ja) | 電力伝送システム | |
| JPWO2017081975A1 (ja) | 受電装置及び非接触給電システム | |
| WO2010005324A1 (en) | A contactless power receiver and method of operation | |
| US7151408B2 (en) | Method for generating a radio-frequency alternating voltage and an associated radio-frequency power amplifier | |
| JP6390812B2 (ja) | 回路切替装置及びスイッチ駆動回路 | |
| CN108370240B (zh) | E2类放大器 | |
| US20210083517A1 (en) | Inductive power transfer device, especially for vehicle | |
| Ishihara et al. | Automatic active compensation method of cross-coupling in multiple-receiver resonant inductive coupling wireless power transfer systems | |
| US20080119146A1 (en) | Device for monitoring transmission antennae of electromagnetic detection systems | |
| KR20190074578A (ko) | 간섭 소음 제거 및 출력 제어 기능이 개선된 유도 가열 장치 | |
| Machnoor et al. | Rectifier design for highly loaded inductive wireless power transfer systems for biomedical applications | |
| JPH0386021A (ja) | 高調波低減フイルタ | |
| JPH10271050A (ja) | 送受信システム用２次側回路装置 | |
| JPH07192860A (ja) | インバータ装置 | |
| JPS61230290A (ja) | 誘導加熱調理器 | |
| JPH10229314A (ja) | インバータ電源を使用した電気機器の端子雑音フィルタ | |
| JPH10229315A (ja) | 端子雑音フィルタ | |
| JPS6345550A (ja) | 磁気共鳴実験用受信プロ−ブ | |
| JPS6086793A (ja) | 誘導加熱調理器 | |
| KR970058343A (ko) | 다출력 제어를 위한 공진형 전자유도 가열 조리 장치 | |
| JPH0589955A (ja) | 誘導加熱調理器 |