Texas Inventor Develops Electromagnetic Wave Propagation System

US Fed News Service, Including US State News;  June 24, 2008 ;     288 words ......the U.S. Patent & Trademark Office: "A loop antenna useful, for example, in investigation of...formations. Embodiments of the invention provide a loop antenna circuit comprising a loop antenna disposed to generate, in response to an electromagnetic...

Immaculate Reception; Signals from afar: Loop antenna can give your AM...

Telegraph - Herald (Dubuque);  February 17, 2002 ;     601 words ......on the 9-inch-tall, 16-ounce plastic loop antenna and AM radio stations from throughout...RadioShack with a list price of $29.99. "The loop antenna helps any AM radio with a built-in antenna...cable within the sleek, black loop. "A loop antenna is an antenna primarily for the AM ...

Japanese Inventors Develop Loop Antenna Device

US Fed News Service, Including US State News;  December 4, 2006 ;     285 words ......Eiichi Ishii of Tokyo, have developed a loop antenna device preferably used for a reader...Trademark Office: "A plurality of small loop antenna cells and are magnetically coupled to...data carrier. In the plurality of small loop antenna cells, the directions of the magnetic...

Matching loop antennas to short-range radios

Microwaves & RF;  August 1, 2002 ;     700+ words ......6 The tapped or transformer-matched loop antenna must be properly matched to differential...regulatory issues, device fabrication, and loop-- antenna design. Part 5 offered an introduction to loop-antenna design and the tapped-capacitor-matching...

Japanese Inventors Develop Circular Polarization Antenna

US Fed News Service, Including US State News;  October 23, 2007 ;     326 words ......circular polarized wave, at least one loop antenna is formed on a transparent plastic film...configuring the loop is arranged near this loop antenna." An abstract of the invention, released...element arranged on the side of the loop antenna is configured by a first part and a...

Japanese Inventors Develop Circularly Polarized Antenna

US Fed News Service, Including US State News;  July 25, 2006 ;     286 words ......S. Patent & Trademark Office: "A loop antenna unit, a balanced line , and two perturbation...methods, such as printing and etching. The loop antenna unit is formed along the circumference...line and which is projecting from the loop antenna unit in an inward direction toward ...

loop antenna

Webster's NewWorld Dictionary;      34 words ...Webster's NewWorld Dictionary 01-01-1988 loop antenna Radio a coil of large diameter, used as an antenna, esp. in direction-finding equipment and in radio receivers Copyright 1994, 1991, 1988 Simon & Schuster, Inc.

Japanese Inventors Develop Radio Communication Medium Processor

US Fed News Service, Including US State News;  November 10, 2008 ;     352 words ......Deguchi of Fukuoka, Japan, have developed a loop antenna unit. According to the abstract released...from a periphery.In electric current fed loop antenna units, non-electric current fed loop antenna are arranged in doughnut shapes outside...

Japanese Inventor Develops Composite Antenna

US Fed News Service, Including US State News;  September 14, 2007 ;     341 words ......global positioning system first loop antenna is formed on a dielectric substrate...system radio wave beacon second loop antenna is formed on substantially the same axis within the first loop antenna. In addition, an electronic toll...

The design of an active loop antenna by optimization.

Microwave Journal;  February 1, 1992 ;     700+ words ......antenna's open circuit voltage. An active loop antenna uses a low (input) impedance bipolar...circuit current. In the case of the active loop antenna, the technique is only useful at frequencies...paper addresses the problem of active loop antenna design where the loop inductance ...

Swedish, Dutch Inventors Develop Wideband Loop Antenna

US Fed News Service, Including US State News;  March 26, 2008 ;     307 words ......Hans Rosenberg of Dwingeloo, Netherlands, have developed a loop antenna. According to the U.S. Patent & Trademark Office: "The...device and an antenna arrangement in such a device, where a loop antenna element comprises: a first section provided in and extending...

Japanese Inventor Develops Loop Antenna

US Fed News Service, Including US State News;  September 29, 2006 ;     208 words ......29 -- Takashi Minemura of Ome, Japan, has developed a loop antenna and a radio communication device with the same. According to the U.S. Patent & Trademark Office: "In a loop antenna of this invention, a plurality of segments are arranged...

Japanese Inventors Develop Compact Loop Antenna

US Fed News Service, Including US State News;  August 25, 2007 ;     266 words ......from Tokyo, have developed a compact loop antenna. An abstract of the invention, released...said: "In order to provide a compact loop antenna, for use in an inductive read/write...supply thereto is constrained, a compact loop antenna, for use in an inductive read/write...

Finnish Inventor Develops Wearable Device

US Fed News Service, Including US State News;  June 20, 2008 ;     287 words ......electrically conductive parts, a radio unit and a loop antenna coupled to the radio unit. The loop antenna comprises a conductor formed into a loop...substantially act as a ground plane for the loop antenna. Said at least one circuit substrate is...

Japanese Inventor Develops Radio Antenna with Non-Contact Frequency Tag

US Fed News Service, Including US State News;  August 12, 2008 ;     231 words ......to which the LSI chip is connected, a loop antenna connected to the feeder terminal, and...conductive line bypassing the loop of the loop antenna. Further, the line width of the bypass...structured thicker than the line width of the loop antenna." The inventor was issued U.S. ...