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Class Information
Number: 333/206
Name: Wave transmission lines and networks > Coupling networks > Wave filters including long line elements > Coaxial
Description: Subject matter including a line structure comprising a conductor coaxially aligned with an outer cylindrical conductive sheath.










Sub-classes under this class:

Class Number Class Name Patents
333/207 Tunable 215


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
5389903 Comb-line high-frequency band-pass filter having adjustment for varying coupling type between adjacent coaxial resonators Feb. 14, 1995
5379012 Dielectric filter device Jan. 3, 1995
5379011 Surface mount ceramic filter duplexer having reduced input/output coupling and adjustable high-side transmission zeroes Jan. 3, 1995
5374906 Filter device for transmitter-receiver antenna Dec. 20, 1994
5374910 Dielectric filter having coupling means disposed on a laminated substrate Dec. 20, 1994
5365209 Dielectric filters and duplexers incorporating same Nov. 15, 1994
5354463 Dielectric filter Oct. 11, 1994
5344695 Dielectric filter having coupling electrodes for connecting resonator electrodes, and method of adjusting frequency characteristic of the filter Sep. 6, 1994
5345202 Dielectric filter comprising a plurality of coaxial resonators of different lengths all having the same resonant frequency Sep. 6, 1994
5331300 Dielectric filter device Jul. 19, 1994
5327108 Surface mountable interdigital block filter having zero(s) in transfer function Jul. 5, 1994
5327109 Block filter having high-side passband transfer function zeroes Jul. 5, 1994
5319328 Dielectric filter Jun. 7, 1994
5307036 Ceramic band-stop filter Apr. 26, 1994
5304967 Multi-layer circuit board dielectric filter having a plurality of dielectric resonators Apr. 19, 1994
5302924 Temperature compensated dielectric filter Apr. 12, 1994
5293141 Dielectric filter having external connection terminals on dielectric substrate and antenna duplexer using the same Mar. 8, 1994
5291160 Filter arrangement including a non-reversible circuit element, a band-pass filter, and an active circuit Mar. 1, 1994
5278527 Dielectric filter and shield therefor Jan. 11, 1994
5262742 Half-wave folded cross-coupled filter Nov. 16, 1993
5254962 Combined acoustic wave device and ceramic block filter structure Oct. 19, 1993
5250916 Multi-passband dielectric filter construction having filter portions with dissimilarly-sized resonators Oct. 5, 1993
5241693 Single-block filter for antenna duplexing and antenna-switched diversity Aug. 31, 1993
5239280 Dielectric filter having inductive input/output coupling Aug. 24, 1993
5239279 Ceramic duplex filter Aug. 24, 1993
5227747 Dielectric filter having coupling amount adjusting patterns Jul. 13, 1993
5218329 Low profile ceramic filter with self aligning shield Jun. 8, 1993
5216394 Dielectric multi-line resonator including a coupling conductor line mainly inductively coupled to a resonator conductor line Jun. 1, 1993
5214398 Dielectric filter coupling structure having a compact terminal arrangement May. 25, 1993
5208565 Dielectric filer having a decoupling aperture between coaxial resonators May. 4, 1993
5208566 Dielectric filter having adjacently-positioned resonators of dissimilar cross-sectional dimensions and notched side surface May. 4, 1993
5202653 Band-pass filter including resonance elements coupled by a coupling line and a by-pass coupling line Apr. 13, 1993
5202654 Multi-stage monolithic ceramic bandstop filter with isolated filter stages Apr. 13, 1993
5196813 Dielectric filter having a single multilayer substrate Mar. 23, 1993
5191305 Multiple bandpass filter Mar. 2, 1993
5184096 Parallel connection multi-stage band-pass filter comprising resonators with impedance matching means capacitively coupled to input and output terminals Feb. 2, 1993
5177458 Dielectric filter construction having notched mounting surface Jan. 5, 1993
5173672 Dielectric block filter with included shielded transmission line inductors Dec. 22, 1992
5170141 Ceramic filter Dec. 8, 1992
5166649 Dielectric filters with a single through-hole Nov. 24, 1992
5162760 Dielectric block filter with isolated input/output contacts Nov. 10, 1992
5157365 Combined block-substrate filter Oct. 20, 1992
5150089 Dielectric filter having an attenuation pole tunable to a predetermined frequency Sep. 22, 1992
5146193 Monolithic ceramic filter or duplexer having surface mount corrections and transmission zeroes Sep. 8, 1992
5144269 Dielectric filter having external connection formed on dielectric substrate Sep. 1, 1992
5132651 Filter apparatus Jul. 21, 1992
5130683 Half wave resonator dielectric filter construction having self-shielding top and bottom surfaces Jul. 14, 1992
5130682 Dielectric filter and mounting bracket assembly Jul. 14, 1992
5124676 Dielectric filter having variable rectangular cross section inner conductors Jun. 23, 1992
5109207 Coaxial dielectric resonator having a groove therein and method of producing such coaxial dielectric resonator Apr. 28, 1992

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