17 results about "Indoor antenna" patented technology

A system and method for providing reliable, legally compliant access to geographically restricted ATSC television signals via user-owned devices hosted in a datacenter. The invention verifies the physical address of each applicant to ensure eligibility within the designated market area before installation. It eliminates the need for rooftop or indoor antennas, resolving common ATSC reception challenges, including interference, terrain obstruction, and lightning risks. Designed for ease of use by non-technical users, the system provides consistent high-quality reception through a managed datacenter infrastructure. The invention complies with legal boundaries set by the U.S. Supreme Court's ruling in ABC v. Aereo by ensuring individualized device ownership and avoiding centralized retransmission. An optional encrypted group addressing mode further reduces energy and hardware redundancy while enforcing regional access through a conditional access system with access limited to persons with validated addresses and members of the datacenter.

The invention discloses an unmanned aerial vehicle self-destruction measure ground verification method and system. The method comprises the following steps: configuring an instruction self-destruction measure and an autonomous self-destruction measure on the unmanned aerial vehicle; setting a safe airspace for testing on the ground; injecting boundary information of the safe airspace into a flight control system of the unmanned aerial vehicle; a GNSS transponder is used for providing simulated satellite positioning signals for the unmanned aerial vehicle, and the GNSS transponder comprises an outdoor antenna, an indoor antenna and a host; dynamically simulating the position change of the unmanned aerial vehicle relative to the safe airspace by moving the outdoor antenna so as to construct a test scene in which the unmanned aerial vehicle crosses the safe airspace; and based on the test scene, respectively carrying out ground verification on the function validity of the instruction self-destruction measure and the autonomous self-destruction measure. According to the invention, an airplane border crossing scene is dynamically simulated through the movable GNSS transponder, comprehensive, convenient and safe ground verification of instruction self-destruction and autonomous self-destruction measures under multiple working conditions is realized, and the self-destruction reliability is guaranteed.

The application relates to the technical field of wireless communication, and discloses a three-frequency wideband room-dividing antenna with a trap structure, which comprises a first radiating unit, a first substrate, first radiating structures and first feeding structures which are arranged on two sides of the first substrate, a second radiating unit, a second substrate, second radiating structures, second feeding structures and a trap structure, wherein the second radiating structures and the second feeding structures are arranged on two sides of the second substrate, the second radiating structures comprise four second radiating arms which are arranged in an angular symmetry, the second feeding structures comprise two second feeding branches which are arranged in a cross, the middle parts of the second feeding branches are arranged opposite to two adjacent second radiating arms, and the two ends of the second feeding branches are arranged opposite to the other two second radiating arms, the middle part of each second feeding branch is provided with a feeding point, and the trap structure is a metal line arranged on the second substrate and surrounding the outer periphery of the second radiating structures. The application has the advantages of small volume, support for 2G / 3G / 4G / 5G frequency bands, and the function of a trap frequency band of 2.9-3.1 GHz.

The application provides a co-boresight dual-polarized indoor antenna and a communication device, the co-boresight dual-polarized indoor antenna comprising a vertical polarization antenna, a horizontal polarization antenna and a feeding structure, the vertical polarization antenna comprising a metal floor, a triangular metal plate, a plurality of grounded metal columns and a first copper cladding layer, the triangular metal plate and the plurality of grounded metal columns being arranged between the metal floor and the first copper cladding layer; the horizontal polarization antenna comprising a double-layer dielectric plate and a slot array, the bottom of the double-layer dielectric plate being covered with copper to form the first copper cladding layer, and the slot array being arranged on the top of the double-layer dielectric plate; the horizontal polarization antenna and the vertical polarization antenna are arranged in a co-boresight mode, the structure is simple, and the volume is small; the feeding structure comprises a first feeding structure and a second feeding structure, the first feeding structure being connected with the vertical polarization antenna, and the second feeding structure being connected with the horizontal polarization antenna; the first feeding structure and the second feeding structure are arranged in a non-overlapping mode on the metal floor, so that coupling interference is avoided.

1. The name of the design product: indoor antenna (DUA-25). 2. The use of the design product: receiving television signals. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a support structure of indoor antenna, including support base, a plurality of universal wheels are fixedly installed to support base lower extreme, angle adjusting device is fixedly installed to support base upper extreme, angle adjusting device upper fixed mounting has the adjusting seat, the height adjusting device is fixedly installed to adjusting seat upper end, the antenna device is fixedly installed to height adjusting device upper end, the controller is fixedly installed to adjusting seat right -end middle part. The utility model discloses a support structure of indoor antenna, through servo motor no.

The utility model discloses a folding indoor antenna which is characterized in that the folding indoor antenna comprises a first cylinder and a second cylinder, the top end of the first cylinder is provided with a sliding groove, the second cylinder is embedded in the sliding groove and is in sliding connection with the first cylinder, the top end of the second cylinder is provided with an installation groove, a first antenna rod is embedded in the installation groove, and the first antenna rod is in sliding connection with the second cylinder. Vertically downward first grooves are formed in the upper ends of the two opposite sides of the first column body, second antenna rods are embedded in the first grooves, one ends of the second antenna rods are rotationally connected with the upper end of the first column body, second grooves are formed in the two same sides, provided with the first grooves, of the second column body, and third antenna rods are embedded in the second grooves; one end of the third antenna mast is rotatably connected with the upper end of the second cylinder, and one side of the first cylinder away from the first groove is provided with a fixed sucker. According to the technical scheme of the utility model, the antenna can be prevented from colliding with or hooking other objects and being damaged, the structure is flat, and the space occupation ratio is reduced.

The utility model provides a doorbell support, a doorbell system and a door assembly. The doorbell support comprises a support body; a communication component having an antenna; and the connecting assembly is used for connecting the bracket body and the communication assembly, and the connecting assembly is electrically connected with the antenna. Through the arrangement, the support body and the communication assembly can be located on the indoor side and the outdoor side of the door body correspondingly, and under the condition that the support body is located outside the door, the communication assembly is located indoors; a host can be installed on the support body, the host can be conveniently in communication connection with a router, a receiver and other devices through an indoor antenna, the influence of a door, a wall and the like on signal transmission is reduced, the signal transmission effect and signal strength of the host, the router, the receiver and other devices can be improved, power consumption of the host is reduced, and the charging frequency of a user is reduced. And the use experience of the user is improved.

The present application belongs to the technical field of remote-sensing unlocking and the technical field of smart door locks. Disclosed are a directional inadvertent-trigger-preventing remote-sensing smart door lock apparatus with differential positioning, a remote-sensing unlocking method, a door lock control apparatus and method, and a storage medium. The door lock apparatus comprises: an outdoor antenna, configured to receive a signal within a preset effective range outdoors; an indoor antenna, configured to receive a signal indoors; a Bluetooth receiving module, configured to extract an outdoor signal strength value and an indoor signal strength value; a PCBA control board which calculates a real-time difference, wherein when the real-time difference is greater than a preset threshold, it is determined that a transmitting end is located outdoors, and when the transmitting end is located outdoors and the transmitting end is within the preset effective range, an unlock instruction is sent; and a door lock motor, configured to execute an unlock action for the smart door lock on the basis of the unlock instruction. A directional reception design is used in the outdoor antenna such that a signal is received only within a preset effective range outdoors, ensuring that unlocking is triggered only when the transmitting end is located outdoors in a specific area directly in front.

The embodiment of the application provides a dual-polarized indoor antenna, and belongs to the technical field of antenna communication equipment. The dual-polarized indoor antenna comprises a vertical polarization radiation unit and a horizontal polarization radiation unit. The vertical polarization radiation unit comprises a ground plate and a conical radiation oscillator arranged on the ground plate, and the conical radiation oscillator is used for exciting and radiating vertical polarization electromagnetic waves. The horizontal polarization radiation unit comprises a plurality of radiation subunits, the plurality of radiation subunits are sequentially arranged around the outer circumferential side of the conical radiation oscillator, a radiation gap is formed between two adjacent radiation subunits, and the radiation gap is used for exciting and radiating horizontal polarization electromagnetic waves. The orthographic projection of the radiation subunit on the ground plate is located in the ground plate. The dual-polarized indoor antenna provided by the embodiment of the application can realize wide-band coverage and meet the multi-frequency band requirement of an indoor communication system.

The application relates to the technical field of wireless communication, and discloses a dual-polarization omni-directional indoor antenna, which comprises a first horizontal polarization unit, a vertical polarization unit and a second horizontal polarization unit, wherein the first horizontal polarization unit is composed of a first power divider arranged on the upper and lower surfaces of a first substrate and a first radiation unit, the second horizontal polarization unit is composed of a second power divider arranged on the two sides of a second substrate and a second radiation unit, and the vertical polarization unit is a metal radiator with a tapered structure at the lower end and arranged on the first substrate. The two horizontal polarization units are connected through a combiner, one of the two horizontal polarization units covers a 1.7-3.8 GHz frequency band, the other covers a 4.8-5.0 GHz frequency band, and the vertical polarization unit can cover a 1.5-5.5 GHz full frequency band, so that the indoor antenna has a wide bandwidth, high gain and good omni-directional performance.

1. The name of the design product: indoor antenna (DUA-405). 2. The use of the design product: receiving television signals. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

This utility model relates to the field of indoor antenna technology and discloses a novel indoor television antenna, including a base shell on which an upper shell is mounted. It also includes: two metal antenna elements mounted on the base shell; a signal amplification PCBA board mounted on the base shell; the metal antenna elements fixedly connected to the signal amplification PCBA board by bolts; a signal line fixedly mounted on the signal amplification PCBA board; and a capacitor fixedly connected to the signal line; and a mounting slot on the upper shell. The metal antenna elements of this utility model are produced using a stamping process, resulting in significantly lower mold costs and a mold opening cycle only one-fifth that of plastic molds. Each stamped metal antenna element can be adapted to a plastic base shell. Furthermore, the elements undergo a metallic surface treatment, resulting in a significantly superior texture and appearance compared to traditional antenna elements. This allows for greater flexibility in product design and enables users to enjoy a variety of styles and high-performance products at a lower cost.

This application provides a dual-band indoor distributed antenna for 5G / 6G, relating to the field of communication technology. The dual-band indoor distributed antenna includes a first dielectric substrate, a ground plane, and a second dielectric substrate stacked along the thickness direction. An input feed line, a first output feed line group, and a second output feed line group are disposed on the upper surface of the first dielectric substrate. The input feed line includes a transmission section that couples signals to the first and second output feed line groups. The first output feed line group is configured to transmit a first frequency band signal, and the second output feed line group is configured to transmit a second frequency band signal. An antenna radiating group is disposed on the upper surface of the second dielectric substrate, radiating signals from the first and second output feed line groups. The dual-band indoor distributed antenna for 5G / 6G provided in this application achieves high gain and high isolation performance while maintaining a low profile structure.

The utility model discloses a signal enhancement device, and the device comprises an outdoor antenna which is configured to receive an outdoor signal and send an amplified outdoor signal to a room, and the outdoor antenna comprises a first patch antenna unit; the indoor antenna is configured to receive indoor signals and send amplified indoor signals to the outside, the indoor antenna comprises a second patch antenna unit, and the second patch antenna unit and the patch antenna of the first patch antenna unit are in cross polarization; and the signal amplification circuit is configured to amplify the outdoor signal to generate an amplified outdoor signal and / or amplify the indoor signal to generate an amplified indoor signal.

The application discloses a kind of wideband dual-polarized indoor antennas of beam symmetry broadening, orthogonal mosaic balun is located between orthogonal dual-polarized printed dipole and square metal ground;The bottom end of each balun is used as signal feed port, and the top end of each balun is respectively inserted into the rectangular through hole of a pair of dipoles;Four cross-shaped folded edge metal strips are respectively supported by support above orthogonal dual-polarized printed dipole, and are respectively arranged end to end along the polarization direction of two orthogonal dipoles;Four trapezoidal right-angle bending plates are distributed at four diagonal positions of orthogonal dual-polarized printed dipole, and the bottom is connected with square metal ground.The application acts on orthogonal dual-polarized printed dipole by symmetrically distributed cross-shaped folded edge metal strip and trapezoidal right-angle bending plate, and the effects of the two on high frequency and low frequency E surface, H symmetrical beam broadening and the expansion effect on impedance matching bandwidth are utilized, and wide dual-surface symmetrical beam broadening bandwidth and impedance matching bandwidth are realized.

1. The name of the design product: indoor antenna (DUA-24). 2. The use of the design product: receiving television signals. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.