Energy efficient controlled magnetic field generator circuit
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01H-047/00
H03K-004/06
H02J-005/00
H04B-005/00
H02J-007/02
출원번호
US-0680877
(2015-04-07)
등록번호
US-9590601
(2017-03-07)
발명자
/ 주소
Krause, James Michael
Mabry, James P.
Pepa, Elton
출원인 / 주소
LOCKHEED MARTIN CORPORATION
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
21인용 특허 :
70
초록▼
A magnetic waveform generator circuit includes a first switch coupled to a first rectifier element at a first node, a first capacitor coupled, at a second node to the first switch, and to a fourth node, a second capacitor coupled, at a third node to the first rectifier element, and to the fourth nod
A magnetic waveform generator circuit includes a first switch coupled to a first rectifier element at a first node, a first capacitor coupled, at a second node to the first switch, and to a fourth node, a second capacitor coupled, at a third node to the first rectifier element, and to the fourth node, and an inductor coupled between the first and the fourth nodes. The first switch is operable to be in an ON state during a first time period and in an off state during a second time period. The first switch and the first rectifier element are configured to enable the inductor to generate, during the first and the second time periods, a magnetic field having a waveform resembling a positive half-cycle of a triangular waveform.
대표청구항▼
1. A magnetic waveform generator circuit, the circuit comprising: a first switch coupled to a first rectifier element at a first node;a first capacitor coupled, at a second node to the first switch, and to a fourth node;a second capacitor coupled, at a third node to the first rectifier element, and
1. A magnetic waveform generator circuit, the circuit comprising: a first switch coupled to a first rectifier element at a first node;a first capacitor coupled, at a second node to the first switch, and to a fourth node;a second capacitor coupled, at a third node to the first rectifier element, and to the fourth node;an inductor coupled between the first and the fourth nodes;a second switch coupled to a second rectifier element at the first node, wherein the first switch is coupled in parallel to the second diode and the second switch is coupled in parallel to the first diode; anda first and a second dipole switch and a third and fourth capacitor,wherein:the first switch is operable to be in an ON state during a first time period and in an off state during a second time period,the first switch and the first rectifier element are configured to enable the inductor to generate, during the first and the second time periods, a magnetic field having a waveform resembling a positive half-cycle of a triangular waveform,the second switch and the second rectifier element are configured to enable the inductor to generate, during a third and a fourth time periods, a magnetic field having a waveform resembling a negative half-cycle of the triangular waveform,the first dipole switch is operable, in a first state, to couple the second node through the third capacitor to the first capacitor, andthe second dipole switch is operable, in a first state, to couple the third node through the fourth capacitor to the second capacitor to allow generation of a high amplitude triangular magnetic field waveform. 2. The circuit of claim 1, wherein the first switch is configured to allow the first capacitor to discharge through the inductor in the first time period and the rectifier element is configured to allow the second capacitor to charge through the inductor in the second time period. 3. The circuit of claim 1, wherein the second switch is operable to be in an ON state during the third time period to allow the second capacitor to discharge through the inductor in the third time period, wherein the second rectifier element is configured to allow the first capacitor to charge through the inductor in the fourth time period, wherein the first and second switches comprise transistor switches and the rectifier elements comprise diodes, and wherein the first and second switches comprise semiconductor switches and the rectifier elements comprise semiconductor diodes. 4. The circuit of claim 1, wherein the first dipole switch and the second dipole switch are operable, in second states, to isolate the third and fourth capacitors to allow a low amplitude triangular magnetic field waveform, and wherein the low amplitude triangular magnetic field waveform has an amplitude that is one-third of the high amplitude triangular magnetic field waveform. 5. A method for providing a magnetic waveform generator, the method comprising: coupling, at a first node, a first switch to a first rectifier element;coupling a first capacitor, at a second node to the first switch, and to a fourth node;coupling a second capacitor, at a third node to the first rectifier element, and to the fourth node;coupling an inductor coupled the first and the fourth nodes;coupling a second switch to a second rectifier element at the first node, and coupling the first switch in parallel to the second diode and the second switch in parallel to the first diode; andproviding a first and a second dipole switch and a third and a fourth capacitor,wherein:the first switch is operable to be in an ON state during a first time period and in an off state during a second time period,the first switch and the first rectifier element are configured to enable the inductor to generate, during the first and the second time periods, a magnetic field having a waveform resembling a positive half-cycle of a triangular waveform,configuring the second switch and the second rectifier element to enable the inductor to generate, during a third and a fourth time periods, a magnetic field having a waveform resembling a negative half-cycle of the triangular waveform,configuring the first dipole switch to be operable, in a first state, to couple the second node through the third capacitor to the first capacitor, andconfiguring the second dipole switch to be operable, in a first state, to couple the third node through the fourth capacitor to the second capacitor to allow generation of a high amplitude triangular magnetic field waveform. 6. The method of claim 5, further comprising configuring the first switch to allow the first capacitor to discharge through the inductor in the first time period and configuring the rectifier element to allow the second capacitor to charge through the inductor in the second time period. 7. The method of claim 5, further comprising configuring the second switch to be operable to be in an ON state during the third time period to allow the second capacitor to discharge through the inductor in the third time period, and configuring the second rectifier element to allow the first capacitor to charge through the inductor in the fourth time period. 8. The method of claim 5, further comprising configuring the first dipole switch and the second dipole switch to be operable, in second states, to isolate the third and fourth capacitors to allow a low amplitude triangular magnetic field waveform, and wherein the low amplitude triangular magnetic field waveform has an amplitude that is one-third of the high amplitude triangular magnetic field waveform. 9. A magnetic waveform generator circuit, the circuit comprising: a first switch coupled to a first rectifier element at a first node;a second switch coupled to a second rectifier element at a second nodea first capacitor coupled, at a third node to the first switch, and to a fifth node;a second capacitor coupled, at a fourth node to the second switch, and to the fifth node; andan inductor coupled between the first and the second nodes,wherein:the first switch and the second switch are operable to be in an ON state during a first time period and in an off state during a second time period, andthe first switch, the second switch, the first rectifier element, and the second rectifier element are configured to enable the inductor to generate, during the first and the second time periods, a magnetic field having a waveform resembling a positive half-cycle of a triangular waveform. 10. The circuit of claim 9, wherein the first switch and the second switch are configured to allow the first capacitor and the second capacitor to discharge through the inductor in the first time period and the first rectifier element and the second rectifier element are configured to allow the first capacitor and the second capacitor to charge through the inductor in the second time period. 11. The circuit of claim 9, further comprising a third switch coupled between the third node and the second node and, a fourth switch coupled between the first node and the fourth node, a third rectifier element coupled in parallel with the second switch, and a fourth rectifier element coupled in parallel to the first switch. 12. The circuit of claim 11, wherein the third switch, the fourth switch, the second rectifier element, and the first rectifier element are configured to enable the inductor to generate, during a third and a fourth time periods, a magnetic field having a waveform resembling a negative half-cycle of the triangular waveform. 13. The circuit of claim 12, wherein the third switch and the fourth switch are operable to be in an ON state during the third time period to allow the first capacitor and the second capacitor to discharge through the inductor in the third time period, wherein the third rectifier element and the fourth rectifier element are configured to allow the first capacitor and the second capacitor to charge through the inductor in the fourth time period, and wherein switches comprise semiconductor switches and rectifier elements comprises semiconductor diodes. 14. The circuit of claim 12, further comprising a fifth switch coupled between the third and a sixth node, a sixth switch coupled between the fourth node and the sixth node, a fifth rectifier element coupled in parallel to the sixth switch, and a sixth rectifier element coupled in parallel to the fifth switch, and a second inductor coupled between the sixth node and the first node, wherein addition of the fifth switch, fifth rectifier element, the sixth switch, and the sixth rectifier element allows generation of amplitude modulated triangular waveform magnetic field.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (70)
Martens Jon S. (Madison WI) Beyer James B. (Madison WI) Nordman James E. (Madison WI) Hohenwarter Gert K. G. (Madison WI), Active superconducting devices formed of thin films.
Bonta Gerald A. (Carlisle MA) Ogar George W. (Wakefield MA) Peregrim Theodore J. (Bedford MA) Mangiapane Rosario (Burlington MA), All weather tactical strike system (AWTSS) and method of operation.
Babij Tadeusz M. (Ft. Lauderdale FL) Bassen Howard (N. Chevy Chase MD), Broadband isotropic probe system for simultaneous measurement of complex E- and H-fields.
Blood Ernest B. (Burlington VT), Device for quantitatively measuring the relative position and orientation of two bodies in the presence of metals utiliz.
Lukin, Mikhail D.; Walsworth, Ronald L.; Yacoby, Amir; Cappellaro, Paola; Taylor, Jacob M.; Jiang, Liang; Childress, Lilian, Electronic spin based enhancement of magnetometer sensitivity.
Rettig, Rasmus; Bauer, Christian; Vogelgesang, Birgit, Magnet sensor arrangement for sensing the movement of element moving in linear or rotary fashion.
Yost, Michael G.; Hashmonay, Ram A., Mapping air contaminants using path-integrated optical remote sensing with a non-overlapping variable path length beam geometry.
Lukin, Mikhail; Childress, Lilian I.; Taylor, Jacob M.; Sorensen, Anders S., Method and apparatus for fault-tolerant quantum communication based on solid-state photon emitters.
Chee,Soon Seong; Parmentier,Remy; Wu,Xu; Wilson,Colin; Igarashi,Juei, Optical fiber system and method for wellhole sensing of magnetic permeability using diffraction effect of faraday rotator.
Spillane, Sean M.; Beausoleil, Raymond G.; Santori, Charles; Florentino, Marco, Scalable and defect-tolerant color-center-based quantum computer architectures and methods for fabricating color-center-based quantum computer architectures.
Klontz Keith W. (Sun Prairie WI) Divan Deepakraj M. (Madison WI) Novotny Donald W. (Madison WI) Lorenz Robert D. (Madison WI), Submersible contactless power delivery system.
Chraplyvy Andrew R. ; Ellson John C. ; Newsome George W. ; Tkach Robert William ; Zyskind John Lehrer, System and method for mitigating cross-saturation in optically amplified networks.
Merritt William E. (1431 SE. Knight Portland OR 97202) Johnson Joel (Lake Oswego OR), System for warning aircraft pilot of potential impact with a power line and generating time-to-time impact signal.
Lo Allen K. (Diamond Bar CA) Eaton ; Jr. Wilbur W. (Placentia CA) Breed Ben R. (Austin TX), Three axis magnetometer sensor field alignment and registration.
Manickam, Arul; Kaup, Peter G.; Stetson, Jr., John B., Apparatus and method for estimating absolute axes' orientations for a magnetic detection system.
Bruce, Gregory Scott; Manickam, Arul; Kaup, Peter G., Apparatus and method for resonance magneto-optical defect center material pulsed mode referencing.
Boesch, Brian P.; Bruce, Gregory Scott; Cammerata, Jeff D.; Coar, David Nelson; Egan, Laird Nicholas; Fisk, Bryan Neal; Lew, Wilbur; Manickam, Arul; Sekelsky, Stephen Michael; Stetson, Jr., John B.; Kaup, Peter G.; Miller, Julie Lynne; Russo, Jon C.; Stockman, Emanuel Solomon, DNV magnetic field detector.
Boesch, Brian P.; Bruce, Gregory Scott; Cammerata, Jeff D.; Coar, David Nelson; Egan, Laird Nicholas; Fisk, Bryan Neal; Lew, Wilbur; Manickam, Arul; Sekelsky, Stephen Michael; Stetson, Jr., John B.; Kaup, Peter G.; Miller, Julie Lynne; Russo, Jon C.; Stockman, Emanuel Solomon; Meyer, Thomas J.; Krause, James Michael; Mabry, James P.; Pepa, Elton, DNV magnetic field detector.
Hahn, Joseph W.; Manickam, Arul; Kaup, Peter G.; Bruce, Gregory Scott; Lew, Wilbur; Luzod, Nicholas M.; Huynh, Duc, Magneto-optical defect center magnetometer.
Villani, Jr., Joseph A.; Stetson, Jr., John B., Method for detecting defects in conductive materials based on differences in magnetic field characteristics measured along the conductive materials.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.