US Patent for Dual slot microstrip antenna device Patent ... It should be noted that the antenna assembly, as constructed, is similar in many respects to the "Single Slot Cavity Antenna Assembly" disclosed in an application, ... MICROMACHINED W-BAND PLASTIC SLOT ARRAY ANTENNA WITH SELF ... MICROMACHINED W-BAND PLASTIC SLOT ARRAY ANTENNA WITH SELF-ALIGNED AND INTEGRATED FLANGE ... The equivalent circuit of a single “slot” and its 60GHz Slot-Array Antenna Design Based on Gap Waveguide ...
US7324057B2 - Low wind load parabolic dish antenna fed by…
Band IV/V (UHF) TV Slot Antennas 470 - 806 MHz Utilizing slot cavity geometry, the RD series antenna is capable of wideband, low VSWR transmission for up to 20 channels. This capability makes it possible for stations to utilize a single antenna for Analog and DTV channel allocation and relocation assignments which fall within 20 … US4547779A - Annular slot antenna - Google Patents A microstrip annular antenna structure is formed by four quarter-wavelength microstrip radiator patches arranged in a quadrant formation and having outwardly directed adjacent radiating apertures which together provide a composite annular radiating slot extending about 360° of azimuth. All such radiators are fed in-phase by a single centrally located feedpoint and equal length microstrip
A Compact Dual-Band Cavity-Backed Slot Antenna | Request PDF
Millimeter Wave Wideband High Gain Antenna Based on Gap ... Millimeter Wave Wideband High Gain Antenna Based on Gap Waveguide Technology ... cavity-backed slot array antennas can have ... Slot Antenna of Single ... WIDE BEAM TAPERED SLOT ANTENNA FOR WIDE ANGLE SCANNING ... WIDE BEAM TAPERED SLOT ANTENNA FOR WIDE ... tapered slot, stripline and slotline cavity, ... complete antenna assembly viz., namely; ... A COMPACT DUAL-CIRCULARLY POLARIZED CAVITY-BACKED RING ... Two cavity-backed ring-slot antennas are presented with ... 3.3.1 Ring-slot antenna with a single center-fed ... 4.2.1 Prototype assembly and S ... A Compact Wideband Dielectric Resonator Antenna with a ...
The RF signals propagating along the microstrip circuitry 140 a and 140 b are coupled to the slot 141 and radiate or “are launched” from transition sections 105 c′ and 105 d′. These signals form a beam, the boresight of which is orthogonal …
A stripline antenna having a radiating aperture in the form of an annular slot provided in one of its conducting plates and a pair of orthogonal narrow strip conductor feeds disposed between its two conducting plates and terminating under … US7583233B2 - RF Receiving and transmitting apparatuses having… A log-periodic antenna having a layer of dielectric media interposed between a microstrip log-periodic portion and a slot log-periodic portion where an array of two or more log-periodic antennas that may be placed about vehicles, such as … US20120068906A1 - Phased array antenna and method for producing… A vertically stacked array antenna structure is described. The structure comprises a radiating layer, a passive layer disposed under said radiating layer, an active layer disposed under said passive layer, and an interface assembly.
A single-feed wide- and dualband cavity-backed slot …
Dual-slot feeding technique for broadband Fabry- Perot cavity antennas periodic Fabry-Perot cavity antennas achieving enhanced directivity as well as broadband .... S response for the single slot feeding is shown in Fig. 2. .... Photograph of the fabricated prototype (three PRS layers, assembled antenna and both. Rectangular Microstrip Patch Antenna Arrays With Inset for ... - dline Mar 1, 2015 ... Keywords: Microstrip Antennas, Linear Polarization, Antenna Arrays, Corporate .... Single Slot Cavity Antennas Assembly, US Patent No. RFS - Products & Solutions
Slot antennas are used typically at frequencies between 300 MHz and 24 GHz. The slot antenna is popular because they can be cut out of whatever surface they are to be mounted on, and have radiation patterns that are roughly omnidirectional (similar to a linear wire antenna, as we'll see). Design of Wide-Band, High Gain Microstrip Antenna Using ... Download Citation on ResearchGate | Design of Wide-Band, High Gain Microstrip Antenna Using Parallel Dual Slot and Taper Type Feedline | In this paper, we have designed and fabricated a wide-band ...