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Class Information
Number: 343/767
Name: Communications: radio wave antennas > Antennas > Slot type
Description: Subject matter including a conducting surface, such as a metallic sheet which may be flat or curved, and an aperture in the surface, which may be completely surrounded by the surface or extended inwardly from an edge of the surface, together with coupling means which establishes a potential difference at spaced points along the aperture or extracts received energy from these points, these points usually being across the aperture, the surface furnishing a conductive path between these spaced points to permit current to flow therebetween.










Sub-classes under this class:

Class Number Class Name Patents
343/770 Plural 749
343/769 Ring-shaped slot 151
343/768 With periodic control of slot or coupling 125


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
6034646 Information transmission device and method for systems using radiating waveguides Mar. 7, 2000
6034645 Miniature annular microstrip resonant antenna Mar. 7, 2000
6034644 Tunable slot antenna with capacitively coupled slot island conductor for precise impedance adjustment Mar. 7, 2000
6031503 Polarization diverse antenna for portable communication devices Feb. 29, 2000
6028561 Tunable slot antenna Feb. 22, 2000
6025812 Antenna array Feb. 15, 2000
6018319 Antenna element Jan. 25, 2000
6018320 Apparatus and a method relating to antenna systems Jan. 25, 2000
6014105 Microstrip antenna having an internal feed Jan. 11, 2000
6011520 Geodesic slotted cylindrical antenna Jan. 4, 2000
6008770 Planar antenna and antenna array Dec. 28, 1999
6008763 Flat antenna Dec. 28, 1999
6008771 Antenna with nonradiative dielectric waveguide Dec. 28, 1999
6005380 Sensitive slot antenna including inductively coupled squid array Dec. 21, 1999
6002370 Antenna arrangement Dec. 14, 1999
5995055 Planar antenna radiating structure having quasi-scan, frequency-independent driving-point impedance Nov. 30, 1999
5977924 TEM slot array antenna Nov. 2, 1999
5973653 Inline coaxial balun-fed ultrawideband cornu flared horn antenna Oct. 26, 1999
5966096 Compact printed antenna for radiation at low elevation Oct. 12, 1999
5966101 Multi-layered compact slot antenna structure and method Oct. 12, 1999
5955997 Microstrip-fed cylindrical slot antenna Sep. 21, 1999
5949382 Dielectric flare notch radiator with separate transmit and receive ports Sep. 7, 1999
5945954 Antenna assembly for telecommunication devices Aug. 31, 1999
5946610 Portable radio apparatus having a slot antenna Aug. 31, 1999
5940041 Slot antenna device and wireless apparatus employing the antenna device Aug. 17, 1999
5936579 Planar antenna array and microstrip radiating element for planar antenna array Aug. 10, 1999
5917454 Slotted ring shaped antenna Jun. 29, 1999
5914693 Coaxial resonant slot antenna, a method of manufacturing thereof, and a radio terminal Jun. 22, 1999
5907305 Dual polarized, heat spreading rectenna May. 25, 1999
5905471 Active receiving antenna May. 18, 1999
5900843 Airborne VHF antennas May. 4, 1999
5898407 Motor vehicle with antenna window with improved radiation and reception characteristics Apr. 27, 1999
5894287 Polarization diversity device for reducing fading effect Apr. 13, 1999
5894288 Wideband end-fire array Apr. 13, 1999
5892487 Antenna system Apr. 6, 1999
5877729 Wide-beam high gain base station communications antenna Mar. 2, 1999
5873840 Intracranial pressure monitoring system Feb. 23, 1999
5872542 Optically transparent microstrip patch and slot antennas Feb. 16, 1999
5867129 Automobile windshield including an electrically conducting layer Feb. 2, 1999
5861839 Antenna apparatus for creating a 2D image Jan. 19, 1999
5859616 Interleaved planar array antenna system providing angularly adjustable linear polarization Jan. 12, 1999
5850198 Flat antenna with low overall height Dec. 15, 1998
5844407 Method using squid array for improving the sensitivity of a slot antenna Dec. 1, 1998
5841405 Octave-band antennas for impulse radios and cellular phones Nov. 24, 1998
5831580 Slot antenna having a slot portion formed in a vehicle mounted insulator Nov. 3, 1998
5828345 Electrically short wide-band, wide-scan, slow wave dual notch radiator Oct. 27, 1998
5825332 Multifunction structurally integrated VHF-UHF aircraft antenna system Oct. 20, 1998
5825333 Offset multibeam antenna Oct. 20, 1998
5815122 Slot spiral antenna with integrated balun and feed Sep. 29, 1998
5786792 Antenna array panel structure Jul. 28, 1998

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17










 
 
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