111 results about "Handset antennas" patented technology

The present invention relates to a structure and a method for selectively forming a compact and precise metal pattern on a plastic substrate surface. The structure comprises three layers of materials such as a plastic substrate, nickel or zinc or an indium tin oxide material, and a metal subsequently deposited on the material, wherein the nickel or the zinc or the indium tin oxide material is formed through adopting laser to irradiate the plastic substrate, decomposing an additive previously added to the plastic, and adopting reductive chemical plating to treat. The manufacturing method comprises: adopting laser to selectively scan the plastic substrate. According to the present invention, the additive does not adopt a copper-containing oxide, a copper chelate, a copper complex and a metal oxide having a spinel structure, and adopts the environmentally friendly non-toxic inorganic salt containing nickel and zinc, and the indium tin oxide material, the coupling agent is adopted to carry out coating modification to prepare the additive having a core-shell structure, and the additive is added to the plastic to prepare the laser composite plastic; the laser is adopted to decompose the shell part of the additive so as to release active ingredients in the core; the present invention belongs to a new material based advanced assembly and manufacturing technology in the field of electronic and electric apparatuses; and the structure and the method are used for manufacturing mobile phone antennas, transparent lamp parts, automobile parts, three-dimensional circuits and other products.

A cellular communication system and method is described where a low-cost repeater is used to reduce the transmit power of a cell phone. The cell phone transmits a low-power modulated carrier signal to a nearby repeater. The repeater amplifies the signal and transmits it to a cellular base-station. The reduction of cell phone transmit power lowers the exposure of humans to RF radiation and increases the battery life of the cell phone.

The invention discloses a method for solving the electromagnetic compatibility problem of an antenna of a minitype terminal mobile phone. A monopole antenna is adopted as the antenna of the minitype terminal mobile phone, a wire is printed in the clearance area of the monopole antenna of a printed circuit board (PCB), one end of the wire is connected with the ground end of the PCB in a non-clearance area, the other end of the wire extends in the clearance area and the wire can effectively disperse distribution of hearing aid compatibility (HAC) electric field and magnetic field hotspots; the rear cover of the minitype terminal mobile phone is adhered with an electric conduction cloth or is sprayed with an electric conduction paint, and then the minitype terminal mobile phone is connected with the ground end of the PCB; and the transmitting and receiving properties of the antenna can be in an ideal state due to the matching circuit of a tuned antenna. The method for solving the electromagnetic compatibility problem of the antenna of the minitype terminal mobile phone has the beneficial effect of leading the antenna volume to be smaller to meet the specific absorption rate (SAR) andHAC indexes and over the air (OTA) test specification requirements on the premise of meeting the electromagnetic compatibility.

The invention relates to a metal frame mobile phone antenna, a control system and a communication terminal. The metal frame mobile phone antenna includes a metal frame, and two seams are symmetricallyformed in both sides of one end of the metal frame; a first point of a grounding switch interface, a second point of the grounding switch interface, an electricity feeding input point and a third point of the grounding switch interface are sequentially arranged on the metal frame from one end of one seam at intervals. Through different connection points of the first point and second point of thegrounding switch interface, control over the coverage of high frequency and middle frequency is achieved, multiband frequency coverage of the antenna is ensured, and different inductors are connectedin a grounding unit to further refine medium frequency coverage; the communication capability of the metal frame antenna is improved, and the communication quality is ensured for users.

The invention aims to provide a green, mixed and reconfigurable mobile phone antenna. The green, mixed and reconfigurable mobile phone antenna comprises a first dielectric-slab, a straight active oscillator, snake-shaped active oscillators, an upper passive oscillator, a front passive oscillator and a rear passive oscillator. The upper passive oscillator is printed on the upper surface of the first dielectric-slab, the straight active oscillator, the front passive oscillator and the rear passive oscillator which are mutually parallel are printed on the lower surface of the first dielectric-slab, the front passive oscillator and the rear passive oscillator are located on the front side of the straight active oscillator and the rear side of the straight active oscillator respectively, the snake-shaped active oscillators comprise the first snake-shaped active oscillator and the second snake-shaped active oscillator, the first snake-shaped active oscillator and the second snake-shaped active oscillator are located at the left end of the straight active oscillator and the right end of the straight active oscillator respectively and are centrally symmetrical about the straight active oscillator, and the straight active oscillator is connected with a feeder. The green, mixed and reconfigurable mobile phone antenna can be switched between an all-direction state and a directional state according to communication states of a mobile phone and realize green communication, the SAR value on a human body of the antenna is reduced, the working frequency band can be switched according to communication requirements, therefore, the working bandwidth of the antenna is expanded, and the frequency and the direction diagram can be reconfigured at the same time.

The invention provides a manufacturing process of a mobile phone built-in printed antenna, and the manufacturing process comprises the following steps of: carrying out injection moulding on plastic raw materials to form a basic shape of the mobile phone built-in printed antenna, printing conductive ink at an appointed position on the plastic surface of the injection moulded antenna model by using a mobile printing process so as to prepare for the next copper film electroplating, electroplating a copper film at an appointed position on the plastic surface of the printed plastic antenna model by using an electroplating process to ensure that the antenna has a conduction function and a signal reception function, and electroplating nickel on the outer surface of the mobile phone antenna electroplated with the copper film except for the external-connection conduction positions of the anode and cathode end points of the built-in antenna so as to protect the electroplated copper film layer. Moreover, gold plating can be carried out at the external-connection conduction position of the grounding end point of the built-in antenna and actually required color can be coated on the surface of the electroplated built-in antenna. According to the manufacturing process, the antenna gain and the bandwidth are not reduced, the signal strength is good and the production cost is reduced.

The invention provides an antenna comprising a bracket and a radiator, wherein the bracket at least comprises a plastic layer containing organic metallic composite; the surface of the plastic layer containing organic metallic composite is provided with a groove formed by laser illumining; the groove is provided with a conducting metallic plating layer; and the radiator is formed by the conductingmetallic plating layer. The antenna can be used as a mobile phone antenna, has high precision and is beneficial to the commercial process.

The invention discloses a compact high-isolation triple-frequency eight-unit MIMO mobile phone antenna. The antenna is characterized by comprising a rectangular floor (1), wherein eight square holes are formed in the two short edges of the floor (1); a gap (4) is formed between each adjacent square holes; the floor (1) is covered with a rectangular substrate (2); square blocks (3) are arranged on the substrate (2) directly facing to the upside of the square holes; and an antenna unit patch is etched in each square block (3). The compact high-isolation triple-frequency eight-unit MIMO mobile phone antenna provided by the invention is high in isolation among antenna unit patches, high in communication quality, small in size, and suitable for a mobile phone 4G communication network.

The invention relates to splittable antenna equipment as well as a method and a device for controlling the antenna equipment, and is used for improving the antenna efficiency of a mobile terminal. The splittable antenna equipment comprises an antenna element and a rotatable metal frame, wherein the rotatable metal frame is clung to a side surface of the mobile terminal when the antenna equipment is in a first state; the rotatable metal frame is electrically connected with a feed point of the antenna element through rotation when the antenna equipment is in a second state. The technical scheme can enable the rotatable metal frame and the antenna element to be combined into an external mobile phone antenna, thereby improving the antenna efficiency of the mobile terminal.

The invention relates to a method for improving the electromagnetic compatibility of a mobile phone antenna and a hearing-aid. An IFA (Inverted-F Antenna) is adopted in antenna design, a clearance zone is arranged below the IFA, and double L-shaped matching circuits are adopted; an earth point of the IFA is arranged close to the side edge of mainboard of a mobile phone, and a feeding point and the earth point are parallel and close to one side of the center of the mainboard of the mobile phone; a low-frequency radiation line is formed by extending from the feeding point as the initial point to the side far away from the earth point, the low-frequency radiation line bends and extends towards one side of the earth point after bending downwards to form a high-frequency radiation line, and the low-frequency radiation line and the high-frequency radiation line form a square shape which is opened at the left side; and the length of the clearance zone is 3-10mm. An antenna line and the earth point are provided and matched with the clearance zone with proper size and the matching circuits, thus, a distribution map of hot spots of an electromagnetic field of the antenna can be effectively changed, and better HAC (Hearing Aid Compatibility) performance can be obtained; and the antenna has a simple structure, almost no additional cost, and wide adaptability.

The invention discloses a miniaturized high-gain dual-band circularly-polarized antenna which is simple in structure and can realize miniaturization, dual frequency band, high gain and right-handed circular polarization, the bandwidth of the antenna is increased, and the gain of the antenna is improved. The miniaturized high-gain dual-band circularly-polarized antenna comprises an insulating medium substrate, a radiating body and a U-shaped metal back cavity; a first T-shaped slotted hole, a second T-shaped slotted hole, a third T-shaped slotted hole and a fourth T-shaped slotted hole which extend from the center of the radiating body to four sides of the radiating body and circumferentially uniformly distributed along a circle using the center of the radiating body as the center of the circle are formed in the radiating body; a first rectangular slotted hole and a second rectangular slotted hole are formed in the diagonal line of the radiating body, the first rectangular slotted hole is internally provided with a first T-shaped radiating body, and the second rectangular slotted hole is internally provided with a second T-shaped radiating body. By adopting the miniaturized high-gain dual-band circularly-polarized antenna, the requirement of military communication mobile phone antennas can be met, and the antenna is conveniently placed on the top of the communication mobile phone antenna, so that cover lifting is realized.

The invention relates to the technical field of mobile phone antennas, and specifically discloses an antenna scheme for improving mobile phone head and hand data, comprising an antenna main body, a PCB main board and a parasitic antenna. The point and the ground point are respectively connected to the left and right ends of the PCB mainboard. The parasitic antenna is connected to the PCB mainboard. The variation of the width, length and distance from the main body of the parasitic antenna directly affects the frequency offset, depth and bandwidth of the antenna resonance. , the present invention adjusts the width, length and distance between the parasitic antenna and the main body of the antenna, so that the performance of the antenna is optimized, which can effectively improve the problem of data difference between the left and right heads and hands, and control the OTA data of the left and right heads and hands at 2dBm within.

An antenna device for a mobile phone designed for operation in full duplex comprises a transceiver unit (1) having one transmitting subunit (2) and one receiving subunit (3). At least one first antenna (6) is connected to the transmitting subunit (2) via an active matching network (5). At least a second antenna (8), separate and discrete from the first antenna (6), is connected to the receiving subunit (3). In one embodiment there is also an active matching network (11) between the second antenna (8) and the receiving subunit (3). Both the first and the second antennas may comprise more than one radiating element.

The invention discloses a mobile phone antenna feed point position and rear cover assembling mechanism. The mechanism comprises an assembly line, a rear cover clamping turnover device and a six-shaft robot, wherein the rear cover clamping turnover device and the six-shaft robot are sequentially arranged on the side edge of the assembly line; a mounting plate is arranged on a sixth shaft of the six-shaft robot, a CCD imaging device and an antenna pressing device are arranged on the mounting plate, the antenna pressing device comprises a pressing air cylinder, a pressing base, a reset spring and a positioning pin, a pressing head is formed on the front face of the pressing base, a pressing hole is formed in the pressing head, the positioning pin can be telescopically mounted in the pressing hole, the positioning pin is sleeved with the reset spring, the pressing air cylinder can push the positioning pin to stretch out of the pressing head, and the six-shaft robot can drive the CCD imaging device and the pressing head on the pressing base to move to a mobile phone rear cover on the assembly line. Automatic assembling of the mobile phone antenna and the mobile phone rear cover can be achieved, the automation degree and the assembling efficiency are high, labor amount is reduced, product quality is stable, and the product yield is improved.

The invention discloses a double-layer coupling broadband mobile phone antenna. The double-layer coupling broadband mobile phone antenna includes a first resonance unit, a second resonance unit, a third resonance unit, a signal feed point, a ground feed point and a fourth resonance unit, wherein the signal feed point and the ground feed point are connected with the first resonance unit, the second resonance unit and the third resonance unit through a vertical connection part, and the fourth resonance unit extends from the ground feed point; the resonance frequency of the first resonance unit is smaller than the resonance frequency of the second resonance unit, the resonance frequency of the second resonance unit is smaller than the resonance frequency of the third resonance unit, and the resonance frequency of the third resonance unit is smaller than the resonance frequency of the fourth resonance unit; the second resonance unit and the fourth resonance unit are up and down arranged in parallel and are electromagnetically coupled. The double-layer coupling broadband mobile phone antenna is processed to be arranged at the inner and outer sides of a mobile phone shell through an LDS technology, similar resonance frequency points are generated by the adoption of the mutual electromagnetic coupling effect between the two resonance units, and therefore the purpose of broadening the bandwidth of the antenna is achieved.

The invention discloses an antenna, which comprises a dielectric substrate, grounding units attached to the dielectric substrate and a metal structure attached to the dielectric substrate, wherein the metal structure comprises an electromagnetic response unit, a metal opening ring wrapping the electromagnetic response unit and a feed point connected with the extension tail end of one end of the metal opening ring; the electromagnetic response unit comprises an electric-field-coupled structure and at least one metal sub structure; and the metal sub structures are arranged in the electric-field-coupled structure. Due to the design, the physical length of the antenna is increased; a radio frequency antenna working at extremely low working frequency can be designed in extremely small space, and the physical limitation that the conventional antenna is limited by the space area when working at low frequency is prevented; and the requirements on minimization, low working frequency and broadband multimode of a mobile phone antenna are met. Furthermore, a design mode with relatively low cost is supplied to the design of the antenna of wireless communication equipment.

The invention relates to an antenna, which comprises a medium substrate and a grounding unit which is adhered onto the medium substrate, and the antenna also comprises a metal structure which is adhered onto the medium substrate, the metal structure comprises an electromagnetic response unit, a metal open ring which is arranged surrounding the electromagnetic response unit and a feed point which is connected with the metal open ring, and the electromagnetic response unit comprises an electric field coupling structure. Such design is equivalent to the increase of a physical length of the antenna, a radio frequency antenna which works under an ultra-low working frequency can be designed inside a ultra-small space, so that the physical limitation that the traditional antenna is controlled by the space area when working under the low frequency can be solved, and the miniaturization, low working frequency and broadband multimode requirements of a mobile phone antenna can be met. Simultaneously a design way with lower cost can be provided for the antenna design of a wireless communication device.

The invention provides a mobile phone antenna made of general resin and a manufacturing technology thereof. The general resin is taken as an antenna material and the antenna material is used for manufacturing a bottom layer. The mobile phone antenna comprises a palladium layer, copper layers, a nickel layer and the palladium layer which are arranged in sequence from the bottom to the top. The general resin is a non-conductor, so electroless plating cannot be carried out. After the non-conductor is preprocessed, the non-conductor is converted into a conductor and then the electroless plating can be carried out. Compared with other materials, the general resin has the advantages of miniaturization and thinning. Development of antennas of popular electronic appliances and electronic devices in the market is enabled to be more advantageous. According to the mobile phone antenna and the manufacturing technology thereof, the problems of high cost and high deficiency existing in the existing manufacturing technology for a built-in antenna of a radio communication device are improved. The general resin easy to shape is used for manufacturing the antenna, so the manufacturing cost is reduced, a development cycle is shortened and the production efficiency is improved. Compared with other materials, the general resin has the advantages of miniaturization and thinning. The development of the antennas of the popular electronic appliances and electronic devices in the market is enabled to be more advantageous.

The invention discloses a method for improving working frequency band width of an antenna of a small-sized terminal mobile phone. A monopole antenna is selected as the antenna of the small-sized terminal mobile phone to be arranged on the casing of a mobile phone terminal; the conductor routing at the high-frequency part of the antenna is arranged at the top of the whole antenna; a 1/4 wavelength theory is utilized to enable the conductor routings at the high and low frequency parts to satisfy the antenna tuning length; and the emission performance and the acceptability of the antenna can acquire more desired state through a matching circuit to tune the antenna, thus satisfying the requirement of over the air (OTA) of far-field radiation. In the method provided by the invention, the antenna different from the traditional printed circuit antenna and the monopole antenna are used, and a special antenna routing manner is adopted, thus ensuring that the method provided by the invention simultaneously satisfies the requirements of high-low frequency band width and the efficiency.

The invention discloses a method for solving electromagnetic compatibility of an antennae of a mobile phone, a monopole antenna is selected as the antenna of a small-sized terminal mobile phone; the monopole antenna is connected with an antenna matching circuit; a metal frame is arranged in the front casing of the mobile phone; the metal frame is provided with an opening; or the metal frame is connected with an earthing region of a printed circuit board (PCB) mainboard by utilizing conductive fabric and electric vesicant cotton. In the method provided by the invention, the metal frame is utilized to disperse the current of PCB mainboard of the mobile phone, so as to lead the current to be distributed evenly; and the current accumulation is avoided; the peak value generated in a synthetic aperture radar test is lowered, thereby solving the requirements of the over the air (OAT) of the far-field radiation, and satisfying the SAR requirement of the near-field radiation. By using the method provided by the invention, the antenna volume can be smaller on the premise of satisfying the electromagnetic compatibility, and the specification requirements of SAR and OTA test are satisfied.