154results about "Antennas lighting/illumination" patented technology

Antenna assemblies are described herein. Any of these assemblies may include a primary feed that includes a single patterned emitting surface from which multiple different beams of RF signals are emitted corresponding to different antenna input feeds each communicating with the patterned antenna emitting surface. The antenna assembly may include a primary reflector, a secondary reflector, and a primary feed that is feed by multiple antenna input feeds so that different regions of the primary and secondary antenna correlate with different beams emitted by the primary feed. The antenna assembly is capable of emitting beams in the same direction having different polarizations using a single primary feed. Also described herein are methods of operating an antenna assembly. Access point devices that have a single primary feed configured to emit multiple beams are also described.

A broadband antenna system is disclosed. The antenna system relates to a modified conical structure, wherein the feed region of the cone is cut away to form a hollow “coneless” cylinder, and the distribution of one or more tapered feed points around the circumference of the cylinder allows a plurality of feed lines, cables, piping, or other structures to be run through the center of the antenna without interfering with the performance of the antenna system. The invention further relates to a stacked broadband antenna system wherein additional coneless elements, as well as other types of antennas or devices, may be stacked collinearly on, or disposed coaxially to, the cylindrical antenna structure, and fed, powered or operated via the plurality of feed lines, cables, piping or other structures. The overall system may thus provide a wide range of transmitting, receiving, sensing and other capabilities. By stacking a plurality of coneless elements with other antennas, the antenna system of the present invention may provide a virtually infinite bandwidth.

An antenna is integrated with an optical element, such as a lens, a collimator, a diffuser, a reflector, or some other part that allows at least some light to pass through or reflects light. In some embodiments, the antenna is molded into the optical element. In other embodiments, the antenna is printed on, or attached to, the surface of the optical element. The antenna may be formed from a transparent or a non-transparent conductor, depending on the embodiment.

An antenna comprising a plurality of negative resistance devices and a method for making same comprising employing a removable standoff layer to form the gap between the microstrip antenna metal and the bottom contact layer.

A lamp apparatus 1 includes an optical unit 2 and a patch antenna 4. The optical unit 2 includes an LED 7 and a substrate 8 having the LED 7 mounted at the front face, and a cover member 9 having visible-light transmittance, spread over the LED 7 at the front. In this optical unit 2 are stored the patch antenna 4 including a patch element 11 and a ground element 12 located at the rear of the patch element 11.

An antenna unit includes a substrate (120), an antenna (110) located on one major surface of the substrate (120), a dielectric plate (130) opposed to the major surface of the substrate (120), and a dielectric layer (190) interposed between the substrate (120) and the dielectric plate (130). The dielectric plate (130) has a dielectric constant of not more than the dielectric constant of the substrate (120). The dielectric layer (190) has a dielectric constant smaller than the dielectric constant of the dielectric plate (130).

An array of antenna elements (20) can be used to detect subwavelength sized anomalies on a surface below the array. An array (20) is illuminated at optical frequencies by a coherent optical energy source (26). The change in reactance and radiated power of the antenna elements that results from the proximity of the anomaly to the near field of the antenna element's open-circuited is detected and holographically filtered to eliminate the radiation caused by the antenna array itself. Image processing is performed on the detected scattered radiation (100) to determine whether an anomaly is present and to locate the anomaly and its characteristics.

An antenna device for a mobile communication system is provided, in which a post has a selected external appearance. An antenna end is formed at an upper portion of the post for installing antenna parts, and a support end is formed at a lower portion of the post for fixing the antenna device to the ground. At least part of an external body of the antenna end is formed of a material that transmits transmission and received radio signals and a ground support member is formed under the support end to make an external body of the support end stand erect on the ground. The external appearance of the antenna device may take the form of a conventional utility, lamp, or sign post or pole.

The invention relates to an antenna system and a mobile terminal. The mobile terminal comprises a display screen, a rear shell opposite to the display screen, a metal frame which stretches along the outer contour of the rear shell and is clamped between the display screen and the rear shell, and a circuit board. The antenna system comprises at least one antenna unit. Each antenna unit comprises a first slot arranged on the metal frame and a second slot connected with the first slot. The first slot stretches along a circumference direction of the metal frame, thereby forming a strip-shaped hollow on the metal frame. The second slot stretches from the middle part of the first slot along the direction of the rear shell to the edge of the metal frame, thereby dividing the metal frame on the edge of the first slot into a first branch and a second branch. The first branch and the second branch are electrically connected with a feeding point, thereby forming a first radiator and a second radiator of the antenna unit. According to the scheme, an interval is reserved between the slots of the antenna system and the display screen, so the bad influence of the display screen on the antenna system is reduced, and the performance of the antenna system is improved.

This invention provides a bright decorative molded article exhibiting a bright color, and particularly a gold color tone. Also, this invention provides a molded article located in the beam path of a radar device that allows only a small radio transmission loss. This bright decorative molded article comprises: an opaque resin substrate; a light-emitting device provided thereon; a transparent resin layer covering the substrate and the light-emitting device; a bright decorative layer (upper surface layer) covering the light-emitting device on the transparent resin layer; and a bright decorative layer (lower surface layer) provided on the surface of the substrate at a portion covered by the bright decorative layer (upper surface layer). Alternatively, a bright decorative molded article comprises: an opaque resin substrate; a light-emitting device provided thereon; a transparent resin layer covering the substrate and the light-emitting device; and a bright decorative layer (lower surface layer) covering part of the surface of the substrate.

An integrated dual antenna system for Global Positioning System (GPS), Local Area Augmentation System (LAAS), ground based subsystem surface mounted (pole / tower / platform / other) and coaxially stacked (over and under). The dual antenna and receiver system is specifically designed and tuned to receive only the direct GPS satellite ranging signals while highly rejecting the ground multipath (indirect) signals. The upper antenna is a Right Hand Circularly Polarized (RHCP) omni-directional High Zenith Antenna (HZA) with dual obstruction lights and dual air terminals. The lower antenna is an electrically long vertically polarized omni-directional linear phased array having a very sharp horizon cut off and is a Multipath Limiting Antenna (MLA). When the two antennas (MLA and HZA) are mounted together they become the Integrated Multipath Limiting Antenna (IMLA). Interoperability is assured by high RF isolation between antennas. Both antennas are broad-band and have precisely controlled vertical and horizontal radiation patterns. Together the radiation patterns cover the complete upper hemisphere where satellites are visible.

Growth of a distributed communication system is facilitated through dynamic addition of routing elements. A new routing element may be added to a network of routing elements by first establishing a connection between the new routing element and an existing routing element in the network. The connection may be either wireless or wireline. At least one address is assigned to the new routing element. Each assigned address comes from a pool of addresses maintained at the existing routing element. At least one pool of addresses is issued to the new routing element, permitting the new routing element to dynamically add yet another new routing element to the network of routing elements.

The invention provides a lighting device (104) and a luminaire (200). The lighting device comprises a light emitter (110) thermally connected to a heat sink (120). The lighting device further comprises a communication circuit (130) coupled to the heat sink for transmitting and / or receiving a communication signal. A first conductive part (122) of the heat sink comprises at least a first pole (142) of a dipole antenna (140) for transmitting and / or receiving the communication signal via the heat sink. This first pole of the dipole antenna may be induced via a primary radiator (160) to activate the gap (170).

Antenna assemblies are described herein. In particular, described herein are multi-focal-point antenna devices and compact radio frequency (RF) antenna devices. Any of these assemblies may include a primary feed that includes a single patterned emitting surface from which multiple different beams of RF signals are emitted corresponding to different antenna input feeds each communicating with the patterned antenna emitting surface. The antenna assembly is therefore capable of emitting beams in the same direction having different polarizations using a single primary feed. Also described herein are compact RF antenna devices having a lightpipe that passes through the single patterned emitting surface.

The invention relates to a device for radiofrequency communication in urban or road environments, comprising a luminaire of common use in street lighting which incorporates at least one transceiver with at least one data input and at least one data output coming from one or more antennas that operate in the radiofrequency band. The aforementioned type of light provides a suitable solution in terms of housing, electrical power supply, height and distribution for the respective transceivers owing to the design and usual arrangement thereof in urban or road environments. This way, the resulting assembly is particularly suitable for the provision of information-based services in general, and for the transmission of data in particular, in a communications system where the different nodes communicate with one another and with the user terminals.

Provided is a vehicle antenna with a light-emitting body that allows improving visibility while maintaining the characteristic of an antenna element.The vehicle antenna with a light-emitting body includes: a base 21; an antenna element 42 arranged on the base 21; a light-emitting body 52 that is arranged on a peripheral edge portion of the base 21 and positioned below the antenna element 42; and a casing 24 that covers the antenna element 42 from an upper side so as to house the antenna element 42. The casing 24 is formed of a light transmissive material, and a lower-end opening edge of the casing 24 is arranged at an upper side of the peripheral edge portion of the base 21.

A coaxial bi-modal imaging system is produced by aligning a microwave transceiver, an optical camera and an antenna array in a coaxial configuration. The microwave transceiver is operable to emit microwave radiation to illuminate an object and to receive reflected microwave radiation reflected from the object to capture a microwave image of the object. The antenna array includes a plurality of antenna elements, each programmable with a respective transmit direction coefficient to direct the microwave radiation emitted from said microwave transceiver toward a target on the object, and each programmable with a respective receive direction coefficient to direct the reflected microwave radiation reflected from said target towards said microwave transceiver. The optical camera is configured to capture an optical image of said object.

An antenna with a lighting function includes an accommodation body, a light-transmissive head, a light source, and an antenna component. The accommodation body has an accommodation space therein, and the light-transmissive head is disposed on the accommodation body and allows lights to transmit through. The light source is disposed within the light-transmissive head, and emits a light that is transmitted out of the light-transmissive head. Finally, the antenna component is accommodated within the accommodation body, for transmitting wireless signals and for lighting.

An antenna element including a feeding part and a mesh part including at least a part of an area formed in a mesh state. The feeding part and an area of the antenna element in close proximity to the mesh part are formed of a finer mesh than the mesh part or formed of a solid.

A combination of a RFID antenna and an illumination device contains: a casing, a lighting unit, and a RFID antenna. The casing includes a metal plate and a fixing frame which has an opening and being mounted on a front end of the metal plate. The lighting unit includes a light guide plate and multiple light emitting elements, wherein the lighting unit is defined between the metal plate and the fixing frame, the light guide plate is fixed between the metal plate and the fixing frame, and the light guide plate has a transporting face facing the opening of the fixing frame so that the lights illuminate to the transporting face of the light guide plate from the multiple light emitting element. The RFID antenna is accommodated in the front end of the metal plate and is defined between the light guide plate and the metal plate.

A directional antenna is provided that utilizes an existing light source or simple reflector having a beam directing reflective surface and a transparent cover for transmitting and receiving electromagnetic radio waves. In an aspect, an information signal is impressed across a conductive material formed to a transparent cover and the reflective surface directs electromagnetic radio waves in a predetermined direction. Beam pattern, gain, polarization and wavelength can be selected through the design and positioning of the conductive material from the reflective surface for providing an effective resonant antenna. The radiated information signal may be used to detect an object or communicate with a receiver. The light source or reflector can be attached to a fixed structure or to a mobile vehicle. In the case of a mobile vehicle, the antenna is fully concealed. In an aspect, material costs, manufacturing costs and assembly costs are reduced as compared to presently available antennas.