141results about "Protective material radiating elements" patented technology

An antenna device for automotive radar applications includes a printed circuit board having a front face and a back face and an electronic component which is interconnected to the printed circuit board and an antenna layer having a front face and a back face, which back face is interconnected to the front face of the printed circuit board. At least one waveguide aperture is interconnected to the front face of the antenna layer and is communicatively connected to the electronic component by at least one waveguide channel, wherein the at least one waveguide channel comprises a conductive surface for guiding an electromagnetic field between the electronic component and is formed by a recess arranged between the back face of the antenna layer and the front face of the printed circuit board.

This antenna device is provided with a rectifier circuit which receives radio waves in space and the electric field energy of a quasi-electrostatic field and rectifies an AC signal to DC, and comprises an antenna unit which is configured from a first antenna element which is used in contact with a human body in a state in which the human body is not grounded to a ground that is the earth, and a second antenna element which is a separate conductor from the first antenna element and which is provided so as not to contact the human body. An input line for outputting to the rectifier circuit the part of the AC signal outputted from the antenna unit that is from the first antenna element used in contact with the human body, is connected in series with the rectifier circuit. FIG. 2

An antenna module includes a mounting board with a flat plate shape, and a power supply circuit to supply a radio frequency signal. The power supply circuit is mounted on the mounting board, and a radiating electrode is arranged on the power supply circuit. A dielectric fills a region around the power supply circuit and the radiating electrode. A conductive layer covers at least part of the dielectric. In the dielectric, a lens part is formed at a position overlapping the radiating electrode in plan view of the mounting board. The dielectric includes a first region in which the lens part is formed and a second region other than the first region, and the conductive layer is formed in the second region.

This application relates to a radiating element and an antenna. The radiating element includes two sets of orthogonally polarized half-wave dipoles and two feed components. Each set of half-wave dipoles includes two radiators arranged at relative intervals. The two feed components are arranged one-to-one with the two sets of half-wave dipoles. Each feed component includes a metal support and a feed element. One end of the metal support is electrically connected to one of the radiators of the corresponding half-wave dipole, and the other end of the metal support is used for grounding. The feed element is electrically connected to the other radiator of the corresponding half-wave dipole. The radiating element provided by this application is small in size and lightweight.

The application discloses a built-in radio frequency antenna for a radio frequency negative hydrogen ion source and a manufacturing process, the radio frequency antenna has 2.5-3.5 turns, and the average loop diameter is 58mm; the coating of the built-in radio frequency antenna is an enamel structure, when the enamel structure simultaneously satisfies the conditions that the coating thickness is 0.6-0.7mm, the relative dielectric constant is less than 30, and the coating resistivity is greater than 45000Ω.cm, the warping voltage is close to 0; the process method comprises the following steps: manufacturing a sheet-shaped porcelain enamel; covering layer dipping; drying the copper antenna with the covering layer; firing the finished product; putting the dried copper antenna with the glaze into a melting furnace for firing and heat preservation; taking out the finished product and cooling to normal temperature. The steps (2) to (4) are repeated until the thickness of the glaze layer reaches about 0.6-0.7mm. The application effectively solves the problem of plasma back-bombing antenna, and the enamel coating is adopted, so that the cost is low, the manufacturing is simple, the material is solid, and the adhesion, impact resistance and thermal shock resistance are excellent.

This method for manufacturing a transparent antenna module comprises: a mask pattern formation step for forming mask patterns for antenna patterning on glass or a transfer substrate; an antenna pattern formation step for forming antenna patterns on the glass or the transfer substrate so as to insert the antenna patterns between the mask patterns; and a mask pattern removal step for removing the mask patterns from the upper portion of the glass or the transfer substrate so that only the antenna patterns are arranged on the glass or the transfer substrate.

A radar system, including an electronic component for transmitting and / or receiving radar signals. The radar system also includes an antenna element the antenna element being configured as a plastic body into which channels with metallized channel walls are introduced, the channels forming waveguides. Heat conducting elements are introduced into the antenna element.

The present invention provides a thermosetting resin composition that yields a cured product (dielectric substrate) with excellent high dielectric constant and low dielectric loss tangent, a dielectric substrate made from the resin composition, and a microstrip antenna equipped with the dielectric substrate. [Solution] The thermosetting resin composition of the present invention comprises (A) a thermosetting resin, (B) a high dielectric constant filler, and (C) a coupling agent represented by the following general formula (1), wherein the high dielectric constant filler (B) comprises at least one selected from calcium titanate, strontium titanate, barium titanate, magnesium titanate, and titanium oxide. TIFF2026111704000022.tif16153

An array accommodated in a housing includes multiple antenna elements. The antenna elements face an inside surface of the housing and are arrayed in a first direction at least one-dimensionally. A waveguide is coupled to the antenna elements of the array antenna and extends from the array antenna toward the inside surface of the housing. The waveguide has a housing-side end face facing the inside surface of the housing and an antenna-side end face facing the array antenna. A length from one end to an opposite end of the housing-side end face in the first direction is greater than a length from one end to an opposite end of the antenna-side end face in the first direction. An antenna device that can improve antenna gain without increasing the size of the antenna module is provided.

The application discloses a heat control device and method for a flexible thin film antenna in space, which is mainly used for providing heat control for large flexible antennas such as phased array radars in space. A solar shield with high infrared emissivity, low solar absorptivity and microwave permeability is arranged on the front surface of the antenna, and when the back surface of the antenna is irradiated by the sun, the solar shield can quickly dissipate heat by using the high infrared emissivity, and when the front surface of the antenna is irradiated by the sun, the solar shield can prevent the antenna from absorbing too much heat and making the temperature of the antenna too high by using the low solar absorptivity; an insulating layer and a low solar absorptivity coating are arranged on the back surface of the antenna, and when the back surface is irradiated by the sun, the low solar absorptivity coating can reflect most of the solar heat, and when the back surface is in a shadow area, the insulating layer can prevent the temperature of the antenna from being too low. Therefore, the antenna can always be in a relatively suitable temperature range in the complex and changeable space orbit thermal environment. The application has the characteristics of strong adaptability and wide applicability.

A capacitively coupled below-grade antenna is provided. The antenna includes a housing; a cap detachable from the housing, the cap having a top surface; a feeding element coupled to a radio module; and a radiating element provided on the cap along the top surface such that the radiating element is capacitively coupled with the feeding element.

The invention discloses a method for producing a waveguide antenna sensor component (100) for a radar sensor. The method comprises providing a waveguide antenna (102) in the form of a metallized plastics waveguide antenna (100) and producing a sensor housing (120), which surrounds the waveguide antenna (102), from plastic by means of injection moulding. The sensor housing (102) encompasses an edge portion (108) of the waveguide antenna (102) and has a front panel (122), which encloses a metallized front portion (106) of the waveguide antenna (102).

A head-mounted device may have a head-mounted housing. The housing may include a frame with left and right openings that receive respective left and right optical modules that present images to a user's eyes. Each optical module may have a lens and display that presents an image through the lens. Camera support members may be coupled to respective left and right peripheral portions of the frame. Each camera support member may have openings configured to receive cameras. Antennas may be formed on a camera support member. The antennas may have metal traces on a surface of the camera support member, may have conductive structures embedded within the camera support member, and / or may have patterned metal traces on printed circuits attached to or embedded in the camera support member. The cameras may operate through portions of a display cover layer that covers an outwardly-facing display on the head-mounted housing.

An encapsulated multi-band monopole antenna is provided. Two or more sets of at least four monopole elements are encapsulated in a substrate. Conductive paths are arranged so that each element of a set of monopole element is connected to an element of each of the other sets of monopole elements.

A system for detecting proximity of a conductive object to an antenna element is provided. The system includes a cover layer including a thin film resistive element and cover glass, an antenna layer including an antenna element, and a dielectric gap layer including an electrically insulating material. The antenna element is configured to transmit a signal. The thin film resistive element includes a material having greater conductivity than the cover glass and is configured to detectably capacitively couple with the conductive object when the conductive object is within proximity of the thin film resistive element. The dielectric gap layer is positioned between the cover layer and the antenna layer and electrically insulates the antenna element from the thin film resistive element.

A hearing device adapted to be worn by a wearer comprises a shell configured for placement on an exterior surface of an ear of the wearer. The shell comprises a first end, a second end, a bottom, a top, and opposing sides, wherein the bottom, top, and opposing sides extend between the first and second ends. Circuitry is provided within the shell comprising at least a microphone, signal processing circuitry, radio circuitry, and a power source. A folded antenna is coupled to the radio circuitry and extends longitudinally along one of the bottom and the top and along the opposing sides between the first and second ends. The folded antenna encompasses at least some of the circuitry and forms an elongated gap between the opposing sides. The elongated gap faces the other of the bottom and the top.

An antenna includes a plurality of antenna elements each respectively operable as a radiator of electromagnetic waves, and a decoupler arrangement operably coupled with the plurality of antenna elements. The decoupler arrangement is configured to prevent, reduce, or substantially eliminate mutual coupling of at least two of the plurality of antenna elements when at least one of the plurality of antenna elements is operated as radiator.

The invention discloses a nanometer metal wire enhancement-based miniature anti-radiation GNSS antenna and a preparation method thereof, and belongs to the technical field of satellite navigation and antennae, the nanometer metal wire enhancement-based miniature anti-radiation GNSS antenna prepared by the invention shows a remarkable technical effect, and in the aspect of anti-radiation performance, even under the irradiation dose of up to 100kGy, the nanometer metal wire enhancement-based miniature anti-radiation GNSS antenna has the advantages that the anti-radiation performance of the nanometer metal wire enhancement-based miniature anti-radiation GNSS antenna is improved; the signal attenuation rate of the antenna can still be controlled within 5% and is remarkably improved compared with 25% of a traditional copper-based antenna, the resistivity of a conductive network is increased by not more than 10%, meanwhile, the shielding efficiency reaches up to 90% or above through the amorphous carbon coating, and penetration damage of high-energy particles is effectively resisted. In the aspects of miniaturization and flexibility, the size of the antenna is only (1-10) cm * (1-10) cm * (0.1-1) mm, the weight is smaller than 5 g, the antenna can be installed by being attached to a curved surface with the radius being 10 mm, the flexibility and adaptability of installation are greatly improved, and the antenna is suitable for complicated scenes such as petrochemical pipelines and unmanned aerial vehicle bodies.

The utility model relates to the technical field of NFC chip tags, in particular to an etched antenna connecting structure for an NFC chip, which comprises a flexible substrate, an etched antenna is fixedly connected to the edge of the outer wall of the flexible substrate, two terminals are fixedly connected to the inner ring of the etched antenna, a chip is fixedly connected to the middle of the flexible substrate, and the chip is fixedly connected to the outer wall of the flexible substrate. One side, close to the terminal, of the chip is fixedly connected with two pins, the chip and the pins are connected with each other, one side, close to the terminal, of the chip is provided with a fixing mechanism used for reinforcing the joint of the terminal and the pins, and the top of the flexible substrate is provided with a protection mechanism used for protecting the etched antenna and the chip. Compared with the prior art, the structure can resist the influence of external force such as bending, collision, pulling and the like in the use process, prevents the connection part from loosening, breaking or falling off, avoids communication abnormity or failure, and is particularly suitable for long-time, multi-frequency and complex-environment flexible label application scenes such as logistics inventory and the like.

An antenna system includes: a laminate including a plurality of high-frequency permeable layers; and an antenna circuit board including a high-frequency insulating layer. n-th layer of the plurality of high-frequency permeable layers has a thickness Ln within a range of Lnmin±λ(10√εn). The n-th layer is at least one high-frequency permeable layer of the laminate. εn denotes a relative dielectric constant of the n-th layer; λ denotes a wavelength of the high-frequency wave that is incident on the laminate; and Lnmin denotes a thickness of the n-th layer where an intensity of a reflected wave from the laminate is minimized, the intensity being determined as an intensity of a composite wave of reflected waves from a front surface, a back surface, and joint interfaces of the laminate.

To provide a wiring board, a laminate for an image display unit, and an image display unit capable of suppressing degradation of antenna performance.SOLUTION: In an image display unit 60, a wiring board 10, which together with the first transparent adhesive layer (first adhesive layer) 95 and the second transparent adhesive layer (second adhesive layer) 96 constitutes the laminate 70 for the image display unit, has a dielectric layer 12 having a substrate 11 including a first side 11a and a second side 11b located opposite the first side 11a, and a mesh wiring layer 20 disposed on the first side 11a of the dielectric layer 12. The substrate 11 is transparent. The dielectric tangent of the dielectric layer 12 is 0.002 or less. The moisture content in the dielectric layer 12 is between 0.01% and 0.1% by weight.SELECTED DRAWING: Figure 2

An antenna module (100) is provided with a first substrate (130A) and a second substrate (130B) having a side surface (137) connected to the first substrate (130A). The second substrate (130B) is provided with a radiation element (121B), a ground electrode (GND2), a connection communication electrode (155) and a connection ground electrode (150) disposed on the side surface (137), and power supply wiring (171). The power supply wiring (171) is disposed in the same layer as the radiation element (121B) in the second substrate (130B). The connection ground electrode (150) is disposed so as to surround the connection communication electrode (155) on the side surface (137).

An antenna comprising a magnetic core (1) and a coil (2) wound around the magnetic core (1), the magnetic core (1) comprising at least two first subcores (1.1) and at least one second subcore (1.2), the at least two first subcores (1.1) being arranged one behind the other in a longitudinal direction (8) of the magnetic core (1), each of the at least two first subcores (1.1) having a lateral side, the at least two first subcores (1.1) comprising a first first subcore (1.1) and a second first subcore (1.1), the at least one second subcore (1.2) comprising a first second subcore (1.2) being arranged on the lateral side of the first first subcore (1.1) and on the lateral side of the second first subcore (1.1) such that the first second subcore (1.2) is at least partially connected to the first first subcore (1.1) and at least partially to the second first Subcore (1.1) overlaps.

An optically transparent antenna stack includes at least two stacked optically transparent antennas. Each antenna includes an electrically conductive metal mesh including a plurality of interconnected electrically conductive metal traces defining a plurality of enclosed open areas. The metal mesh of each antenna and each lead has a percent open area greater than about 50%. The at least two stacked optically transparent antennas includes a first antenna configured to operate over a first, but not a second, frequency band and a second antenna configured to operate over the second, but not the first, frequency band. The optically transparent antenna stack has an optical transmission of at least about 50% for at least one wavelength in a wavelength range from about 450 nm to about 600 nm.