37 results about "Triple band antenna" patented technology

A triple-band antenna for an electronic device with a communication capability comprises a first radiating body, a second radiating body, a metal base and a signal feed source. A dual-band antenna for low frequency and high frequency bands may be formed by the first radiating body. A middle-frequency band antenna and a balun may be formed by the combination of the first radiating body and the second radiating body, and the balun may be used to increase the bandwidth of operating frequencies of the intermediate frequency band antenna.

A triple band antenna includes a feed-in portion, a first radiating portion, a second radiating portion, a third radiating portion and a grounding portion. The first radiating portion is connected to a first side of a first end of the feed-in portion. A second end of the second radiating portion is connected to a second side of the first end of the feed-in portion. The third radiating portion is connected to a third end of the second radiating portion. The grounding portion is located at two sides of the feed-in portion.

The invention relates to a multi-band antenna which is suitable for a wireless communication system. The multi-band antenna comprises a reflecting plate (1), a plurality of high frequency vibrators and a plurality of low frequency vibrators, wherein the plurality of high frequency vibrators and the plurality of low frequency vibrators are installed on the reflecting plate (1). The plurality of high frequency vibrators and the plurality of low frequency vibrators are arranged side by side. The multi-band antenna further comprises high frequency isolating frames (25) and low frequency isolating frames (26) which are fixed on the reflecting plate (1) and respectively used for isolating the high frequency vibrators and the low frequency vibrators. In a preferred scheme, the multi-band antenna is a triple-band antenna, the low frequency vibrators are arranged in two rows, and the high frequency vibrators are arranged in one row and located between the two rows of low frequency vibrators. The multi-band antenna is compact in structure and small in volume and has increased gain.

A multi-band antenna includes a grounding element having an edge and a grounding point, a first radiating arm being substantially of L shape and located above the grounding element, a second radiating arm working at a first frequency band and being substantially of L shape above the first radiating arm, a third radiating arm working at a second frequency band and being substantially of rectangular metal patch parallel to the edge of the grounding element, and a feeding line including an inner conductor connected to the first radiating arm and an outer conductor connected to the grounding point of the grounding element. The feeding line, the first radiating arm, the grounding element commonly compose a slot operating at a third frequency band.

The disclosure discloses a triple-band antenna including a feed line, a first radiating body, a second radiating body and a grounding sheet. The first radiating body is a rectangular sheet. One end of the first radiating body is electrically connected with the end of the feed line. The second radiating body includes three parallel bar shape sheets extending from the first radiating body and surrounded by the first radiating body, and both share the feed line. The grounding sheet is disposed beside the feed line. The first radiating body and the second radiating body of the triple-band antenna generate three resonance frequencies according to the radio frequency received by the feed line to allow the triple-band antenna work under three different operating frequencies.

A built-in type antenna displayer, formed by at least an antenna integrally on a metal frame, and said metal frame is fixed onto an outer edge of a display panel, on said outer edge of said display panel is provided with an installation surface. Said metal frame is provided with a first sidewall, and a second sidewall connected vertically to said first sidewall, so as to form an L-shape structure. On said first sidewall is formed a signal feed-in terminal and a ground terminal, and that are both located on said installation surface. On said second sidewall is provided with a resonance radiator, that is connected vertically to said installation surface, such that said resonance radiator is connected vertically to said signal feed-in terminal to form a non-coplanar structure having a WLAN triple band antenna.

The invention relates to a frequency-reconfigurable triple-band antenna and a method. The antenna comprises a medium substrate, an upper layer radiation sticker and a lower layer radiation sticker, wherein the upper layer radiation sticker consists of a first portion of the upper layer radiation sticker, a second portion of the upper layer radiation sticker and a third portion of the upper layer radiation sticker; the first portion of the upper layer radiation sticker, the second portion of the upper layer radiation sticker and the third portion of the upper layer radiation sticker are positioned on the upper layer of the medium substrate; the second portion of the upper layer radiation sticker and the lower layer radiation sticker are connected through a metallization through hole, thereby constructing a radiation unit; a first inductor, a second inductor and a third inductor are positioned on the first portion of the upper layer radiation sticker, the second portion of the upper layer radiation sticker and the third portion of the upper layer radiation sticker respectively to realize independent control of three frequency bands. The frequency-reconfigurable triple-band antenna and the method can be applied to a 2.4/5.2/5.8GHz WLAN (Wireless Local Area Network) and 3.5/5.5GHz WiMAX (Worldwide Interoperability for Microwave Access), and the radiation direction of the antenna is kept basically invariable.

A method for realizing double-mode standby of TD-SCDMA/GSM mobile phone with single antenna includes adding a low-pass filter between antenna and GSM 900/DCS1800 radio frequency module or adding a high-pass filter between antenna and TD-SCDMA radio frequency module or adding both filters simultaneously to suppress interference to each other of two systems for realizing double-mode double-standby function.

The invention relates to a square three-frequency antenna device and communication equipment. The device comprises a dielectric layer, a radiation part, a grounding part, and an excitation part, wherein the radiation part is arranged on the upper surface of the dielectric layer, and the grounding part is arranged on the lower surface of the dielectric layer; the excitation part is used for connecting the radiation part with the grounding part to form a current loop; the radiation part comprises a first rectangular resonance body and a second rectangular resonance body which are perpendicular to each other; and the grounding part comprises a first rectangular metal patch and a second rectangular metal patch which are perpendicular to each other. The square three-frequency antenna device isa built-in onboard antenna with three frequency bands, the antenna device utilizes the square and annular structures and the vertical rectangular resonators to realize coverage of multiple frequency bands, and the antenna device is high in gain, small in occupied size, relatively high in bandwidth, easy to manufacture and capable of radiating backwards, so energy efficiency of the antenna device is improved on the whole.

The invention discloses a triple-band antenna with gaps which are loaded nested double R-shaped left-handed structures, and relates to a triple-band antenna. The triple-band antenna is provided with a dielectric substrate. A rectangular patch is etched on the upper surface of the dielectric substrate, two loaded nested R shaped left-handed structures which are used as the gaps are loaded on a monopole antenna, feed effects can be realized by planar waveguides, and arcs are loaded on the left edge and the right edge of a floor. The triple-band antenna has the advantages that the shortcomings of narrow double-negative frequency bands, high loss and large sizes of existing microwave-band left-handed materials can be overcome by asymmetric left-handed material unit structures, and the asymmetric left-handed material unit structures can be applied to micro-strip antennas, are flexible and controllable in electric resonance and magnetic resonance frequency range, wide in left-handed characteristic bandwidth and low in loss and have special electromagnetic characteristics and simple left-handed characteristic regulation parameters as compared with symmetric left-handed materials owing to the asymmetry of the left-handed material unit structures in incident directions of electromagnetic waves.

The invention discloses a triple-band antenna, which comprises a ground plane, a first vibrator, a second vibrator, a third vibrator and a feeder line. A plurality of cracks are formed in the first vibrator which is parallel to the ground plane. The second vibrator is arranged coplanarly with the first vibrator, and is parallel to the ground plane. A slot is formed between the second vibrator and the first vibrator. The third vibrator is arranged coplanarly with the first and second vibrators, and is parallel to the ground plane. A cross slot is formed in the third vibrator. The third vibrator and the second vibrator are connected with the ground plane through a connecting part. The feeder line comprises an inner core wire and a shielding layer. The shielding layer is connected with the ground plane. The inner core wire is connected to the second or third vibrator. According to the triple-band antenna, the cracks are formed in the first vibrator, so that the resonant frequency of the low-frequency vibrator is lowered to a required frequency point; and in addition, the cross slot is reserved in the third vibrator, so that the width of the triple-band antenna is increased, and the high-frequency vibrator meets the operation requirements of a required band. Therefore, the good signal transmission and receiving effects of the triple-band antenna are ensured.

The invention discloses a high-dynamic satellite navigation chip device based on Beidou combined with GPS and GLONASS. The device comprises an antenna, a low noise amplifier module, a radio frequencychannel module, a comprehensive information processing module, a power supply unit and a complete machine structure, and is characterized in that the antenna is a receiving three-frequency antenna used for GPS, GLONASS and BDS; the low-noise amplifier module is integrated in the antenna, and the low-noise amplifier module comprises a GPS/GLONASS and a BDS low-noise amplifier. The radio frequency channel module comprises a GPS/GLONASS compatible channel and a BDS receiving channel. The comprehensive information processing module comprises a baseband signal processing module, an information processing module and an application processing module; and the baseband signal processing module is used for completing dispreading, demodulation, tracking, bit synchronization, frame synchronization andthe like of GPS, GLONASS and BDS signals. According to the invention, the antenna automatic zero setting technology has an obvious anti-interference advantage; a high-sensitivity receiver technologyhas the advantage of receiving small signals at a low threshold; the low-power-consumption board card design technology has the advantages of low power consumption and long standby time.

The invention discloses a plane inverse-F triple-band antenna applicable to receiving and emitting wireless signals of notebook computers, comprising a grounding part which is a strip metal plate, a fixing part is arranged at one end of the grounding part, and the antenna is fixed inside the notebook computer by the fixing part; a switch-in part arranged on one end of the grounding part opposite to the fixing part, and the switch-in part is connected with the wireless adaptor arranged inside the notebook computer; an emitting and receiving part which is arranged above the position between the two ends of the grounding part, the emitting and receiving part is connected with one end of the grounding part, and the emitting and receiving part comprises a first emitting and receiving unit, a second emitting and receiving unit and a third emitting and receiving unit, the three emitting and receiving units are used to receive and send three wireless network signals in different wave-bands.

The invention discloses a triple-frequency MIMO antenna applied to a 5G mobile terminal. The antenna comprises a main substrate, the main substrate is provided with two sub-substrates which are perpendicular to the main substrate, the two sub-substrates are arranged in parallel, the two sub-substrates are provided with antenna units which are symmetrical in pairs, each antenna unit comprises an F-type radiation element, a zigzag coupling radiation line, and an L-type feed element, the F-type radiation element and the zigzag coupling radiation line are printed on the outer wall of the sub-substrate, the F-type radiation element comprises a first upper branch used for generating first resonance and a first lower branch used for generating second resonance, the first upper branch and the first lower branch are grounded through a common end, and the zigzag coupling radiation line is inserted into a gap between the first upper branch and the first lower branch, and are coupled with the firstupper branch and the first lower branch respectively to generate thirdresonance. And the L-shaped feed element is printed on the inner wall of the sub-substrate, and the L-shaped feed element is connected with the SMA connector on the main substrate through a feeder line. The antenna can increase the working frequency band, and is simple in structure and small in occupied space.

The invention belongs to the technical field of communication, and particularly discloses an external three-frequency antenna of an unmanned aerial vehicle, wherein the external three-frequency antenna comprises a substrate, oscillator circuits and a feeder line, and the oscillator circuits are laid on the substrate and comprise a high-frequency oscillator circuit, an intermediate-frequency oscillator circuit and a low-frequency oscillator circuit; a common microstrip line is arranged between the medium-frequency oscillator circuit and the low-frequency oscillator circuit; the feeder line comprises a first feeder line and a second feeder line, and the first feeder line is connected with the high-frequency oscillator line; and the second feeder line is connected with the common microstrip line, and a capacitor is arranged at the joint of the second feeder line and the common microstrip line. The external three-frequency antenna of the unmanned aerial vehicle with the structural design is compact in circuit layout and good in gain effect, and can effectively meet the use requirements of high, medium and low frequency bands.