Patent
Composite antenna for cellular and gps communications
John M. Cosenza,Michael Kane,William Rovinsky,Richard Hines +3 more
- 25 Apr 1997
58
TL;DR: In this article, a composite antenna consisting of a first antenna (12) and a second antenna (14) suitable for transceiving independent signals in the cellular communication and GPS bands is presented.
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Abstract: A composite antenna comprising a first antenna (12) and a second antenna (14) suitable for transceiving independent signals in the cellular communication and GPS bands. The first antenna has upper and lower electrically conductive discs (16, 18) of substantially the same size aligned substantially in parallel, a first means (30) for application of a first electrical signal between and at substantially geometric centers of the discs, and a plurality of electrically conductive shunts. The second (GPS) antenna is attached atop the upper electrically conductive disc and has a second means (32) for application of a second electrical signal to the GPS antenna. The shunts are electrically connected to the first electrically conductive disc and the second electrically conductive discs, whereby the first and second electrically conductive discs are spaced from each other by a volume of free space or a volume occupied by a dielectric material.
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Citations
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Handheld antenna attitude measuring system
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- 26 Jan 2001
TL;DR: In this paper, the dual disk antenna elements are formed by etching a pattern in a layer of conducting material, such as copper, formed on a substrate of dielectric material.
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Stephanie M. Bench,Mark S. Olsson,Ray Merewether,Ryan B. Levin +3 more
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TL;DR: In this paper, the antenna system for receiving transmitted signals comprising at least a first tuned antenna disposed in a known relationship spatially with a second antenna, with the first antenna electrically connected to the second antenna.
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Slot antenna for artillery ammunition
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- 17 Oct 2001
TL;DR: In this paper, a slot antenna is used for the igniter of artillery ammunition, which can be easily syntonised and which has an extremely high mechanical resistance; however, it is not known whether the antenna can be used for any other application.
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References
Patent
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Michael James Gans
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TL;DR: In this paper, a multidirectional feed which can be used by itself or incorporated within a surface wave structure to form a flush-mounted antenna on, for example, a mobile unit is presented.
134
Patent
A flat-plate antenna for use in mobile communications
Kazuhiko Nakase
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TL;DR: A flat-plate antenna for use in mobile com-munications including a ground plate, a table shape frame (10) made up with a conductive top plate (10a) and connecting members (11, 12, 13, 14), a capaci-tor electrode (41a, 41b) installed between the top plate and ground plate (20) so as to resonate the table-shape frame, and a strip line resonator (30) installed under the table shape Frame and is provided with a capacitor electrode (40) for resonating the strip line Resonator
78
Patent
Cellular telephone antenna
William J. Liimatainen,Kevin M. Thill +1 more
- 06 Mar 1990
TL;DR: In this article, a planar antenna for use with a cellular telephone has a dielectric substrate with conductive coatings on its two major surfaces, and a coaxial cable extends through a central aperture in the substrate with a shield of the cable connected to coating on one surface and a center conductor connecting to the coating on the other substrate surface.
43
Patent
Microstrip antenna with polarization diversity
Daniel H. Schaubert,Frederick G. Farrar +1 more
- 11 Aug 1981
TL;DR: In this article, an inexpensive, flush-mounted microstrip antenna is proposed, which can be easily changed from vertical linear to horizontal linear, left-circular, rightcircular or any desired elliptical sense.
41
Patent
Non-contacting radio frequency coupler connector
Timothy G. Waterman,Jimmy W. Mullis,John H. Staehlin +2 more
- 05 Jun 1990
TL;DR: In this article, the first and second open-ended launchers are overlapped and separated by a dielectric, thereby providing a non-contact connection by capacitive coupling, and the second openended launcher is operatively connected to a second connection terminal.
36
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