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Antenna structure and related expansion card and computer apparatus

Patent Number: 8111207
Publication Date: 2012-02-07
Inventors: Tseng, Hui-Jen; Tsai, Chu-Chia; Lin, Kuo-Kun; Wu, Wen-Chin; Li, Chia-Hsien; Liang, Te-Yu

An antenna structure includes an expansion card connector, an antenna, and a plurality of metal pins. The antenna is disposed on the expansion card connector. The plurality of metal pins is disposed on the expansion card connector, whereof the plurality of metal pins includes a first designated pin to be a feeding point of the antenna. The plurality of metal pins further includes a plurality of second designated pins, whereof the plurality of second designated pins is electrically connected ...

High electromagnetic transmission composite structure

Patent Number: 8111206
Publication Date: 2012-02-07
Inventors: Lee, Cheng-Ching; Lin, Jiunn-Shyong; Chen, Shin-Hon; King, Yie-Fan; Lin, Dar-Chuen

The invention discloses a high electromagnetic transmission composite structure for reducing the transmission loss of an electromagnetic wave. The high electromagnetic transmission composite structure includes a first composite structure layer, a second composite structure layer, and a first buffer layer. The first composite structure layer has a first thickness and a first dielectric constant. The second composite structure layer has a second thickness and a second dielectric constant. The ...

Mast clamp current probe (MCCP) insertion loss determining methods and systems

Patent Number: 8111205
Publication Date: 2012-02-07
Inventors: Logan, James C.; Tam, Daniel W. S.; Li, Shing Ted; McGinnis, Paul Michael

Methods and systems for determining insertion loss for a mast clamp current probe (MCCP) coupled to a monopole antenna are disclosed. An exemplary method includes determining a first power radiated by the monopole antenna across a first range of frequencies while driving the monopole antenna using a base-feed arrangement to produce a first power-frequency measurement, determining a second power radiated by the monopole antenna across the first range of frequencies while driving the monopole ...

Slot antenna for a circuit board ground plane

Patent Number: 8111204
Publication Date: 2012-02-07
Inventor: Croman, Russell

In one embodiment, the present invention includes a slot antenna that is formed on a ground plane of a circuit board. The slot antenna may be connected to radio circuitry adapted on the circuit board by way of a feedline, which is coupled to the radio circuitry and across a portion of the slot ...

Antenna apparatus

Patent Number: 8111203
Publication Date: 2012-02-07
Inventor: Sato, Kyuichi

Disclosed is an antenna apparatus, including: a support member; a drum which is rotatably supported by the support member and whose outer circumference corresponds to faces of polygonal column; a case which covers the support member and the drum and which has a hole along a circumference direction of the drum; an antenna rod which extends from the outer circumference of the drum in a direction perpendicular to an axis of the drum toward an outside of the case through the hole of the case, ...

High frequency wave glass antenna for an automobile and window glass sheet for an automobile with the same

Patent Number: 8111202
Publication Date: 2012-02-07
Inventors: Kagaya, Osamu; Ikawa, Koji; Suenaga, Kotaro

A high frequency wave glass antenna for an automobile includes an antenna conductor formed in a loop shape and disposed in or an automobile window glass sheet, the antenna conductor having a discontinuity and feeding portions at both ends of the discontinuity or in the vicinity of said both ends, the discontinuity being formed of a portion of the loop shape cut by a length. The antenna conductor includes a detour in a portion of the loop shape, the detour being formed of a single or a ...

Wireless communication device and antenna

Patent Number: 8111201
Publication Date: 2012-02-07
Inventors: Amano, Takashi; Tsujimura, Akihiro

A wireless communication device includes: a case made of a first dielectric material; a cover made of a second dielectric material which covers an outer surface of the case; a wireless communication circuit which is housed in the case; an antenna element made of a conductive material and provided on the outer surface of the case between the case and the cover, the antenna element being electrically connected to the wireless communication circuit by a connection member that penetrates the ...

Planar antenna and electronic device

Patent Number: 8111200
Publication Date: 2012-02-07
Inventors: Yagi, Shigeru; Kotaka, Yuki; Sano, Fuminori

Disclosed is a planar antenna, including: a film formed of a planar insulating material; an antenna portion which is a planar conductor on the film; and a ground portion which is a conductor to be grounded, wherein the antenna portion comprises: at least one first short stub; a first antenna element which is connected to the ground portion through the at least one first short stub and whose shape has such an angle that a distance between the first antenna element and the ground portion ...

Slotted ground-plane used as a slot antenna or used for a PIFA antenna

Patent Number: 8111199
Publication Date: 2012-02-07
Inventors: Baliarda, Carles Puente; Pros, Jaime Anguera

A wireless device includes a ground plane with at least two portions. On each of the at least two portions at least one connecting means is provided. The two connecting means are connected with an electric component for connecting the at least two portions of the ground plane. The ground plane is partially covered with an insulating material and the connecting means are given by a part of the ground plane which is not covered by any insulating ...

Semiconductor device

Patent Number: 8111198
Publication Date: 2012-02-07
Inventors: Fujii, Teruyuki; Ohnuma, Hideto; Hanaoka, Kazuya

An object of the present invention is to prevent electrical characteristics of circuit elements from being adversely affected by copper diffusion in a semiconductor device having an integrated circuit and an antenna formed over the same substrate, which uses copper plating for the antenna. Another object is to prevent a defect of a semiconductor device due to poor connection between an antenna and an integrated circuit in a semiconductor device having the integrated circuit and the antenna ...

Antenna apparatus

Patent Number: 8111197
Publication Date: 2012-02-07
Inventors: Noro, Junichi; Saito, Kazunari; Suzuki, Hiroshi; Miyoshi, Akira

Disclosed is an antenna apparatus, including: a multi-layer substrate having at least two substrates in a stacking manner and having a first through hole; an amplifying circuit on one face of the multi-layer substrate; a ground pattern formed between two adjacent substrates of the multi-layer substrate; an antenna pattern formed on the other face of the multi-layer substrate; and a first comb electrode having comb teeth and a second comb electrode having comb teeth, both of which are formed ...

Stacked patch antennas

Patent Number: 8111196
Publication Date: 2012-02-07
Inventors: Fuchs, Andreas; Thiam, Cheikh; Duzdar, Ayman; Lai, Chun Kit

According to various exemplary embodiments, an antenna assembly generally includes one or more antennas, such as a single multi-frequency antenna, first and second stacked patch antennas, etc. The antenna assembly may be operable for receiving signals having different frequencies (e.g., a frequency associated with a satellite digital audio radio service (SDARS), a frequency associated with a global positioning system (GPS), etc.). The antenna assembly may generally include at least one ...

Multi frequency antenna with low profile and improved grounding element

Patent Number: 8111195
Publication Date: 2012-02-07
Inventors: Wang, Shu-Yean; Ke, Yun-Lung; Hung, Chen-Ta

A multi-frequency antenna (100) comprises a radiating patch (20) having a first radiating body operating in lower frequency band and a second radiating body operating in higher frequency band; a grounding patch (10) spaced apart from the radiating patch; a connecting element (30) electrically connecting the first radiating body, the second radiating body, and the grounding patch; a feeding line (5) comprising an inner conductor and an outer conductor. The ...

Mobile telecommunication terminal

Patent Number: 8111194
Publication Date: 2012-02-07
Inventors: Chang, Ki Won; Seo, Jeong Sik; Park, Hyun Do; Sung, Jae Suk

There is provided a mobile telecommunication terminal comprising: a chip antenna, and a printed circuit board having the chip antenna mounted on one surface thereof, the printed circuit board comprising a tuning ground pattern formed on a surface opposing the one surface of the printed circuit board to have one end connected to a ground part so as to be used for tuning frequency characteristics of the chip ...

Variable metamaterial apparatus

Patent Number: 8106851
Publication Date: 2012-01-31
Inventors: Hyde, Roderick A.; Myhrvold, Nathan P.; Wood, Jr., Lowell L.; Tegreene, Clarence T.

Artificial materials, such as metamaterials, include adjustable properties. In some approaches the properties are adjustable according to active feedback of interaction with electromagnetic ...

Adaptive spectral surface

Patent Number: 8106850
Publication Date: 2012-01-31
Inventors: Gregoire, Daniel J.; Olson, Gregory

In various embodiments, an adaptive spectral surface is provided including an upper layer having a frequency selective surface, a lower layer being at least partially reflective, and an active dielectric material layer therebetween. The active dielectric material may include a dielectric material with an adjustable permittivity, permeability, or thickness. The active dielectric material may be a dielectric material adapted to change its dielectric constant in response to at an applied ...

Planar antenna array and article of manufacture using same

Patent Number: 8106849
Publication Date: 2012-01-31
Inventors: Reavis, Kathryn; Suddath, Ralph; Vance, Don

A planar antenna array and articles of manufacture using the same are disclosed. In one embodiment, close-packed antenna elements, disposed on a substrate, number N where N=3x and x is a positive integer. Each of the close-packed antenna elements includes a substantially continuous photonic transducer arranged as an outwardly expanding generally logarithmic spiral having six turns. Each of the outwardly expanding generally logarithmic spirals may be a golden spiral. As an article of ...

Programmable antenna with programmable impedance matching and methods for use therewith

Patent Number: 8106848
Publication Date: 2012-01-31
Inventor: Rofougaran, Ahmadreza (Reza)

A programmable antenna includes a fixed antenna element and a programmable antenna element that is tunable in response to at least one antenna control signal, wherein tuning the programmable antenna element changes an impedance of the antenna. A programmable impedance matching network is tunable in response in response to at least one matching network control signal to adjust for the changes in the impedance of the ...

Communication circuit, communication apparatus, impedance matching circuit and impedance matching circuit designing method

Patent Number: 8106847
Publication Date: 2012-01-31
Inventors: Yoshida, Keiji; Kanaya, Haruichi

A communication circuit is provided with an antenna section, such as a nonresonant antenna, and a matching section which connects with the antenna section and adjusts impedance, for example. The matching section has a transmission line, and the electric length and characteristic impedance of the transmission line are determined based on the frequency or the frequency band in which the antenna section and the transmission line resonate. For example, since it is not necessary to unite ...

Compact circular polarized antenna

Patent Number: 8106846
Publication Date: 2012-01-31
Inventor: Kikin, Vadim

According to one embodiment, an antenna comprises a plurality of elongated side radiating elements having longitudinal axes oriented at angles of between about 10 and about 80 degrees from a line perpendicular to an imaginary base plane extending across ends of the side radiating elements. In another embodiment, an antenna comprises a plurality of elongated side radiating elements each lying along a unique side plane and having longitudinal axes oriented at angles of between about 10 and ...

Omnidirectional flat antenna and method of production

Patent Number: 8106845
Publication Date: 2012-01-31
Inventor: Savry, Olivier

The inventive antenna comprises a planar substrate carrying as first winding whose axis is arranged in a parallel position to the plane of the substrate. Said antenna also comprises at least one second winding, whose axis is arranged in a parallel position to the plane of the substrate and which is wound-up about a thin layer made of high magnetically permeable material and arranged in a parallel position with respect to the plane of the substrate. A third winding, whose axis is ...

Antenna apparatus

Patent Number: 8106844
Publication Date: 2012-01-31
Inventors: Amano, Takashi; Sato, Koichi; Tsujimura, Akihiro; Hotta, Hiroyuki

A magnetic member is interposed and arranged between an antenna element and a printed circuit board, and an air member or a dielectric member is interposed between the antenna element and the magnetic member. The magnetic member is constituted of a nanogranular structure in which magnetic nanoparticles with ferromagnetism are three-dimensionally dispersed and arranged in an insulating matrix ...

Integral high frequency communication apparatus

Patent Number: 8106843
Publication Date: 2012-01-31
Inventors: Chen, Ruei Yuen; Sung, Hsiang Hao

An integral high frequency communication apparatus comprises a case, a waveguide apparatus having an extension portion, and a transceiver module having two waveguide openings. The transceiver module having two waveguide openings is retained in the case. The case has an opening through which the extension portion extends outside of the case. The integral high frequency communication apparatus can receive and transmit high frequency signals by the extension ...

Ka/Ku antenna alignment

Patent Number: 8106842
Publication Date: 2012-01-31
Inventor: Norin, John L.

A method, apparatus and system for aligning an antenna reflector with satellites in a satellite configuration. A system in accordance with the present invention comprises an alignment mechanism, coupled to the reflector, wherein the alignment mechanism comprises adjustments in azimuth, elevation, and skew, wherein the alignment mechanism is used to provide a first alignment to the satellite configuration, and a tool, used to access a database, wherein the database, comprises data related to ...

Antenna structure

Patent Number: 8106841
Publication Date: 2012-01-31
Inventors: Chen, Yin-Yu; Chou, Chen-Yu; Lee, Chih-Wei

An antenna structure consists of a substrate, a radiation element, a signal feeding element, and a grounding element. The radiation element includes a first radiator and a second radiator coupled to the first radiator, wherein the first radiator is identical to the second radiator. The signal feeding element is coupled to a joint of the first radiator and the second radiator, wherein the first radiator and the second radiator are symmetrically disposed in the left and right sides of the ...

Window glass for vehicle

Patent Number: 8106840
Publication Date: 2012-01-31
Inventors: Tadokoro, Shingo; Sato, Ryota; Chonan, Susumu; Shimazu, Yukihisa

A window glass of a vehicle having a roof antenna mounted on an upper rear portion of a roof of the vehicle, has a defogger formed, on the rear window glass, by a plurality of horizontal heating lines which are connected with each other at the respective both ends by busbars; a noise shield pattern provided at a head space of the defogger on the rear window glass and having at least three horizontal lines and at least one vertical line that cross each other; and at least three connecting ...

Multi-band antenna

Patent Number: 8106839
Publication Date: 2012-01-31
Inventors: Shih, Kai; Tsai, Yung-Chih; Su, Jia-Hung

A multi-band antenna has a strip-shaped first radiating portion disposed levelly. An end of a long side of the first radiating portion is extended downwardly to form a first grounding portion. A strip-shaped second radiating portion is disposed in alignment with and spaced from the first radiating portion. A long side of the second radiating portion is extended downwards to form a feeding portion at an end thereof away from the first radiating portion. A third radiating portion, which is ...

Mobile wireless communications device having diversity antenna system and related methods

Patent Number: 8106838
Publication Date: 2012-01-31
Inventors: Cooke, Adrian; Wong, Joshua; Qi, Yihong; Man, Ying Tong

A mobile wireless communications device has a portable handheld housing. A circuit board is carried by the portable handheld housing. RP circuitry is carried by the circuit board. A diversity antenna and main antenna are carried by the portable handheld housing and coupled to the RF circuitry and operative together. The RF circuitry tunes the diversity antenna into a diversity communications frequency band to achieve a diversity mode of operation with the main antenna and tunes the ...

Equipment housing with integral antenna

Patent Number: 8106837
Publication Date: 2012-01-31
Inventor: Rahm, James K.

A device comprises a housing and antenna elements. The housing has an outer surface portion and a plurality of projection portions. The projection portions dissipate heat and are disposed to extend to a first height from the outer surface portion. The antenna elements are disposed below the first height at a position of the outer surface portion and in between the projection portions. Accordingly, the antenna elements are protected by the projection ...

Hybrid antennas for electronic devices

Patent Number: 8106836
Publication Date: 2012-01-31
Inventors: Zhang, Zhijun; Myers, Scott A.; Schlub, Robert W.; Hill, Robert J.; Darnell, Dean Floyd

A portable electronic device is provided that has a hybrid antenna. The hybrid antenna may include a slot antenna structure and an inverted-F antenna structure. The slot antenna portion of the hybrid antenna may be used to provide antenna coverage in a first communications band and the inverted-F antenna portion of the hybrid antenna may be used to provide antenna coverage in a second communications band. The second communications band need not be harmonically related to the first ...

Dual-band antenna

Patent Number: 8106835
Publication Date: 2012-01-31
Inventors: Cheng, Shih-Chieh; Lo, Kuo-Chang; Chien, Ming-Cheng

A dual-band antenna is disposed on a substrate having an antenna-mounted surface. The dual-band antenna includes a first radiating unit, a second radiating unit, and a feeding terminal. The first radiating unit is disposed opposite to the antenna-mounted surface of the substrate, and at least has a first side, a second side and, a third side. The first side is opposite to the third side, and the length of the first side is not equal to that of the third side. The second side is connected to ...

Switchable patch antenna for RFID shelf reader system

Patent Number: 8106834
Publication Date: 2012-01-31
Inventor: Copeland, Richard Loyd

A switchable patch antenna includes a ground plane, a metal patch, at least two feed lines and a switch. The metal patch is positioned adjacent, but not in contact with, the ground plane. Each feed line is electrically connected to the metal patch. Each feed line is substantially orthogonal to at least one other feed line. The switch is electrically connected to the at least two feed lines. The switch is operable to sequentially select between the at least two feed lines for exciting the ...

Miniature antenna

Patent Number: 8106833
Publication Date: 2012-01-31
Inventor: Chou, Chih-Shen

The present invention discloses a miniature antenna that has a simple structure, compact dimension and high efficiency. The miniature antenna is comprised of a dielectric element made of a dielectric material, having a first surface and a second surface opposite to the first surface, a first electrode layer being laid on the first surface, and a second electrode layer being laid on the second surface. The first electrode layer connected to a signal feeding line and the second electrode ...

Circularly polarized patch antenna with single supply point

Patent Number: 8106832
Publication Date: 2012-01-31
Inventor: De Vita, Placido

An antenna for circularly polarized radiation having a lamina of electrically conductive material with a generally square shape and a first chamfer on a first vertex of the generally square shape. The chamfer determines an asymmetrical shape of the ...

Circuit board and telephone apparatus

Patent Number: 8106831
Publication Date: 2012-01-31
Inventor: Sato, Katsuhiro

A circuit board is provided. The circuit board including a dielectric substrate; a ground electrode formed on the dielectric substrate; a radiation line formed on the dielectric substrate, at least a part of the radiation line including an open end and opposed to the ground electrode; a feeding line connected to the other end of the radiation line, the feeding line configured to feed high frequency signals to the radiation line or receive high frequency signals generated in the radiation ...

Antenna using electrically conductive ink and production method thereof

Patent Number: 8106830
Publication Date: 2012-01-31
Inventors: Ryou, Byung-Hoon; Park, Sang-Hoon; Sung, Won-Mo

Disclosed is an antenna having an antenna radiator formed by printing electrically conductive ink on a substrate. An antenna radiator according to an embodiment of the present invention is formed to the same thickness as a skin depth with respect to an operation frequency of the antenna. Therefore, an antenna can be fabricated using a small amount of electrically conductive ink while not reducing the gain of the antenna. Further, an antenna radiator according to another embodiment of the ...

Method and system for an integrated antenna and antenna management

Patent Number: 8106829
Publication Date: 2012-01-31
Inventors: Rofougaran, Maryam; Rofougaran, Ahmadreza

Aspects of a method and system for an integrated antenna and antenna management are provided. In this regard, one or more reactances coupled to an antenna in a hybrid circuit may be tuned and signals may be transmitted and/or received based on the tuning. The hybrid circuit may comprise an integrated circuit (IC) bonded to a multi-layer package. The antenna may be embedded within and/or on the multi-layer package. The reactances may be within and/or on the IC and/or the multi-layer package. ...

Dual band circularly polarized feed

Patent Number: 8102330
Publication Date: 2012-01-24
Inventor: Albers, Luke J.

Dual band antenna systems and methods providing isolation between bands are provided. The system includes a pair of superimposed antenna radiating elements, each of which is connected to an associated feed network. The feed networks may comprise a quadrature hybrid networks. Coupling paths between the first and second feed networks are arranged such that a first component of a first signal coupled from a first feed network to a second feed network will be 180° out of phase with a second ...

Electronically scanned array having a transmission line distributed oscillator and switch-mode amplifier

Patent Number: 8102329
Publication Date: 2012-01-24
Inventor: Mohamadi, Farrokh

In one embodiment, an integrated circuit antenna array is provided that includes: a low-voltage substrate supporting an RF transmission network, and a high-voltage substrate bonded to the low-voltage substrate, the high-voltage substrate supporting a plurality of antennas coupled to the RF transmission network through switch-mode power amplifiers integrated into a surface of the high voltage ...

Method and device for the transmission of waves

Patent Number: 8102328
Publication Date: 2012-01-24
Inventors: Fink, Mathias; De La Gorgue De Rosny, Julien; Lerosey, Geoffroy; Tourin, Arnaud

Method for focusing an electromagnetic or acoustic wave on a point near which one or more diffusers are placed, comprising a learning step in which the pulsed responses h_ij(t) between the focus point and each antenna of the network are determined. Waves corresponding to signals S_ji(t)=S_i(t)h_ij(−t), where S_i(t) is a function of time and h_ij(−t) is a temporal inversion of the pulsed response h_ij(t), can then be ...

Balanced microstrip folded dipole antennas and matching networks

Patent Number: 8102327
Publication Date: 2012-01-24
Inventor: Johnson, Karin Anne

Balanced microstrip folded dipole antennas and matching networks are disclosed. In some examples, an antenna system includes a printed circuit board having first and second dielectric layers, and respective portions of the first and second dielectric layers bound a ground plane. The system further includes a balanced folded dipole, wherein a first portion of the folded dipole is located on the first dielectric layer, and a second portion is located on the second dielectric layer. First and ...

Broadcast antenna ellipticity control apparatus and method

Patent Number: 8102326
Publication Date: 2012-01-24
Inventors: Schadler, John; Skalina, Andre

The present invention provides a phaser pack for an elliptically polarized antenna that includes a first structural component, a second structural component and a cylindrical inner conductor. The first structural component includes a recess, coupled to an input port, that forms a first portion of a cylindrical conductive path, while the second structural component includes a recess, coupled to a plurality of output ports, that forms a second portion of the cylindrical conductive path. The ...

GNSS antenna with selectable gain pattern, method of receiving GNSS signals and antenna manufacturing method

Patent Number: 8102325
Publication Date: 2012-01-24
Inventors: Feller, Walter; Wen, Xiaoping

An antenna is provided for GNSS and other applications and includes an adjustable-height vertical support PCB mounted on a ground plane and mounting a crossed-dipole radiating arm element assembly. The gain pattern of the antenna can be varied by constructing the vertical support PCB with different heights or adjusting the height and gain pattern in the field. Vehicles with significant pitch and roll can be provided with low-horizon tracking capability by providing a high-profile antenna ...

Sub-reflector of a dual-reflector antenna

Patent Number: 8102324
Publication Date: 2012-01-24
Inventors: Tuau, Denis; Le Bayon, Armel

The aim of the present invention is a sub-reflector of a dual-reflector antenna comprising:

- a first end having a junction of a first diameter, adapted for coupling to the end of a waveguide,
- a second end, having a second diameter greater than the first diameter,
- a convex reflective internal surface placed at the second end having an axis of revolution,
- an external surface of the same axis, joining the two ...

Hybrid dual dipole single slot antenna for MIMO communication systems

Patent Number: 8102323
Publication Date: 2012-01-24
Inventor: Chen, Mexx

An antenna arrangement implemented within a printed circuit board (PCB) having three metal coplanar layers, for use in multiple input multiple output (MIMO) communication systems. The antenna arrangement comprises a first dipole antenna and second dipole antenna, substantially symmetrical to the first dipole antenna a slot antenna positioned substantially between the first and the second dipole antennas. The antenna arrangement is implemented in three coplanar metal layers. The antennas are ...

Vehicle antenna assembly

Patent Number: 8102322
Publication Date: 2012-01-24
Inventors: Khreizat, Salman; Matthews, Christopher

A vehicle antenna assembly is provided with an antenna and a mounting bracket. The antenna includes an elongated mast section and a base section. The mounting bracket includes a first end with an antenna attachment section fixed to the base section of the antenna, a middle section extending downwardly from the antenna attachment section, and a second end with a vehicle attachment section extending from the middle section in a radial direction with respect to a center longitudinal axis of ...

Cavity antenna for an electronic device

Patent Number: 8102321
Publication Date: 2012-01-24
Inventors: Springer, Gregory A.; Chiang, Bing

A cavity antenna for an electronic device such as a portable computer is provided. The antenna may be formed from a conductive cavity and an antenna probe that serves as an antenna feed. The conductive cavity may have the shape of a folded rectangular cavity. A dielectric support structure may be used in forming the antenna cavity. A fin may protrude from one end of the dielectric support structure. The antenna probe may be formed from conductive structures mounted on the fin. An inverted-F ...

Antenna structure for portable electronic device

Patent Number: 8102320
Publication Date: 2012-01-24
Inventor: Lin, Chi-Hsiung

An antenna structure for portable electronic device includes an antenna and an electrical connection element. The portable electronic device includes a main body, a slotted section, a shaft, and a slot cover. The slot cover is coupled to the main body via the shaft, and the slot cover is located on the slotted section. The antenna is disposed on the slot cover, and the electrical connection element is coupled to the shaft and a printed circuit board mounted in the main body, so that the ...

Hybrid antennas for electronic devices

Patent Number: 8102319
Publication Date: 2012-01-24
Inventors: Li, Qingxiang; Schlub, Robert W.; Zavala, Juan; Hill, Robert J.

A portable electronic device is provided that has a hybrid antenna. The hybrid antenna may include a slot antenna structure and a planar inverted-F antenna structure. The planar inverted-F antenna structure may be formed from traces on a flex circuit substrate. A backside trace may form a series capacitance for the planar inverted-F antenna structure. The antenna slot may have a perimeter that is defined by the location of conductive structures such as flex circuits, metal housing ...

Inverted-F antenna with bandwidth enhancement for electronic devices

Patent Number: 8102318
Publication Date: 2012-01-24
Inventors: Vazquez, Enrique Ayala; Chiang, Bing

An inverted-F antenna is provided that has a resonating element arm and a ground element. A shorting branch of the resonating element arm shorts the resonating element arm to the ground element. An antenna feed that receives a transmission line is coupled to the resonating element arm and the ground element. One or more impedance discontinuity structures are formed along the resonating element arm at locations that are between the shorting branch and the antenna feed. The impedance ...