[특허]Contrawound antenna

[미국특허] Contrawound antenna 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01Q-011/12
출원번호	US-0483200 (1995-06-07)
발명자 / 주소	Craven Robert P. M. (Star City WV) Prinkey Michael T. (Normalville PA) Smith James E. (Morgantown WV)
출원인 / 주소	West Virginia University (Morgantown WV 02)
인용정보	피인용 횟수 : 36 인용 특허 : 0

초록 ▼

An antenna is disclosed that has windings that are contrawound in segments on a toroid form and that have opposed currents on selected segments. An antenna is disclosed that has one or more insulated conductor circuits with windings that are contrawound around and over a surface, such as a spherical surface, a generally spherical surface, a multiply connected surface, a toroidal surface, or a hemispherical surface. The insulated conductor circuits may form one or more endless conductive paths around and over the surface. The windings may have a helical pattern, a generally helical pattern, a partially helical pattern, a poloidal peripheral pattern or may be constructed from a slotted conductor on the toroid. Poloidal loop winds are disclosed with a toroid hub on a toroid that has two plates that provides a capacitive feed to the loops, which are selectively connected to one of the plates.

대표청구항 ▼

An electromagnetic antenna for use with an antenna signal, said electromagnetic antenna comprising: a multiply connected surface; first insulated conductor means extending in a first generally helical conductive path around and at least partially over said multiply connected surface with at least a first helical pitch sense; second insulated conductor means extending in a second generally helical conductive path around and at least partially over said multiply connected surface with at least a second helical pitch sense which is opposite from the first helical pitch sense, in order that said first and second insulated conductor means are contrawound relative to each other around and at least partially over said multiply connected surface; first and second signal terminals respectively electrically connected to said first and second insulated conductor means; and reflector means for directing said antenna signal with respect to said multiply connected surface for reception or transmission of the antenna signal.

이 특허를 인용한 특허 (36) 인용/피인용 타임라인 분석

Schmidt, David G., Agricultural applications of a double helix conductor.
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Schmidt, David G., Agricultural applications of a double helix conductor.
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Habara, Hideta; Bito, Yoshitaka; Soutome, Yoshihisa; Ochi, Hisaaki, Coil apparatus and magnetic resonance imaging apparatus using the same.
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Robert P. M. Craven ; James E. Smith ; Larry Hawks ; Roy S. Nutter, Jr. ; Franz A. Pertl, Contrawound antenna.
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Van Voorhies Kurt L., Contrawound helical antenna.
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VanVoorhies Kurt Louis, Contrawound toroidal antenna.
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Van Voorhies Kurt L., Contrawound toroidal helical antenna.
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Schmidt, David G., Double helix conductor.
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Schmidt, David G., Double helix conductor.
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Schmidt, David G., Double helix conductor for medical applications using stem cell technology.
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Schmidt, David G., Double helix conductor with counter-rotating fields.
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Schmidt, David G., Double helix conductor with eight connectors and counter-rotating fields.
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Schmidt, David G., Double helix conductor with light emitting fluids for producing photobiomodulation effects in living organisms.
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Schmidt, David G., Double helix conductor with winding around core.
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Schmidt, David G.; McGrath, Terrence S., Dual double helix conductors.
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Schmidt, David G., Dual double helix conductors used in agriculture.
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Schmidt, David G.; McGrath, Terrence S., Dual double helix conductors with light sources.
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Pertl Franz A. ; Craven Robert P. M. ; Smith James E., Electromagnetic antenna.
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Craven, Robert P. M.; Smith, James E.; Rolland, Jr., Joffre J., Flexible printed circuit board antenna.
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Vaiser, Leonid Vladimirovich; Kokorin, Boris Ivanovich, Generator of electric and magnetic fields, a corresponding field detector, and a sample analyzer and treatment apparatus incorporating the field generator and/or field detector.
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Schmidt, David G., Health applications for using bio-feedback to control an electromagnetic field.
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Schmidt, David G., Health applications for using bio-feedback to control an electromagnetic field.
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Schmidt, David G., Health applications of a double helix conductor.
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Schmidt, David G., Health applications of a double helix conductor.
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Schmidt, David G., Nested double helix conductors.
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Peterson, Stephen C.; Petelenz, Tomasz J.; Jacobsen, Stephen C., Non-invasive method and device for measuring cardiac output.
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Schmidt, David G., Rotating dual double helix conductors.
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Vaiser, Leonid Vladimirovich; Kokorin, Boris Ivanovich, Super-toroidal electric and magnetic field generator/detector, and sample analyser and treatment apparatus using same.
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Schmidt, David G., System configuration using a double helix conductor.
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Schmidt, David G., System configuration using a double helix conductor.
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Schmidt, David G., Systems and methods to improve the growth rate of livestock, fish, and other animals.
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Dinello,Panfilo M.; Pointer,Robin L., Tire sensor.
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Van Voorhies Kurt Louis, Toroidal helical antenna.
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Abe, Kensaku; Kobayashi, Nobuo; Sawama, Hiroyoshi; Tokushige, Kenji, Transmitter.
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Schmidt, David G., Using a double helix conductor to treat neuropathic disorders.
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Chan, Sek Kwan; Stewart, Ronald F.; Bampfield, Howard A., Wireless detonator assemblies, corresponding blasting apparatuses, and methods of blasting.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Contrawound antenna 원문보기