1
Richard J Cameron, Wai Cheung Tang, Van Dokas: Folded single mode dielectric resonator filter with cross couplings between non-sequential adjacent resonators and cross diagonal couplings between non-sequential contiguous resonators. COM DEV, Daryl W Schnurr, March 4, 1997: US05608363 (58 worldwide citation)

The invention relates to a single mode multi-cavity microwave filter that includes a housing formed with a plurality of walls which define at least two rows of side-by-side dielectric loaded cavities, wherein sequential cavities are coupled to one another via slots formed in the walls therebetween a ...


2
Robert J Wenzel, William G Erlinger, Peter Melling, Paul Bartley, Lucy Bartley: Series coupled filters where the first filter is a dielectric resonator filter with cross-coupling. Bartley Machines & Manufacturing, John N Wolf Greenfield & Sacks P C Anastasi, November 24, 1998: US05841330 (50 worldwide citation)

A dielectric resonator filter operating in a magnetic dipole mode includes a plurality of dielectric resonators disposed in a plurality of dielectric resonator cavities. A plurality of coupling mechanism provide an in-line coupling factor between respective resonators of electrically adjacent dielec ...


3
Ali E Atia: Generalized dielectric resonator filter. Communications Satellite Corporation, Sughrue Mion Zinn Macpeak & Seas, October 16, 1984: US04477785 (48 worldwide citation)

A generalized dielectric resonator filter is disclosed for the realization of the most general transfer function characteristics of band-pass filters using cylindrical dielectric resonator discs in a microstrip transmission line configuration. The dielectric resonator filter of the invention has ele ...


4
Linn Donald Floyd, Plourde James Kevin: Temperature-stable dielectric resonator filters for stripline. Bell Telephone Laboratories Incorporated, Wisner Wilford L, October 8, 1974: US3840828 (28 worldwide citation)

There is disclosed a band-reject dielectric resonator filter for stripline, the resonators being disposed over the principal conductor and separated therefrom by a dielectric spacer and offset from the symmetry position over the stripline conductor. The offset is selected so that the magnetic field ...


5
William H Harrison: Inductor ring for providing tuning and coupling in a microwave dielectric resonator filter. L 3 Communications Narda Microwave West, Perman & Green, July 7, 1998: US05777534 (24 worldwide citation)

An inductive tuning disk for tuning a resonant frequency of a resonator of a microwave filter. The microwave filter includes a housing that encloses a cavity and a resonator therein. The resonator exhibits a magnetic field that appears in the cavity. The inductive tuning disk includes a dielectric b ...


6
Paulo Correa: Dielectric resonator filter configured to filter radio frequency signals in a transmit system. Communication Microwave Corporation, Oblon Spivak McClelland Maier & Neustadt P C, September 7, 1999: US05949309 (24 worldwide citation)

A dielectric resonator filter is configured to suppress emissions in an out-of-band frequency portion of an amplified radio frequency (RF) signal prior to transmission of the RF signal by an antenna assembly. The filter includes plural tunable resonant cavities, each of which have a dielectric reson ...


7
Robert J Wenzel, William G Erlinger, Paul Bartley, Lucy Bartley: Dielectric resonator filter having reduced spurious modes. Bartley Machines & Manufacturing, Wolf Greenfield & Sacks P C, May 29, 2001: US06239673 (23 worldwide citation)

A dielectric resonator filter operating in a magnetic dipole mode includes a plurality of dielectric resonators disposed in a plurality of dielectric resonator cavities. A plurality of coupling mechanism provide an in-line coupling factor between respective resonators of electrically adjacent dielec ...


8
Stephen M Sparagna: Dielectric resonator filter. Raytheon Company, Christopher L Maginniss, Richard M Sharkansky, October 16, 1990: US04963841 (23 worldwide citation)

A dielectric resonator filter suitable for use at L-band includes a puck-shaped dielectric resonator attached directly to a dielectric substrate which is bonded to the cavity base in order to decrease vibration sensitivity while retaining a relatively high loaded Q of the dielectric resonator filter ...


9
Yuhei Kosugi, Shigeo Ogawa: Filter with dielectric resonators. NEC Corporation, Sughrue Mion Zinn Macpeak and Seas, July 12, 1988: US04757289 (22 worldwide citation)

A dielectric resonator filter applicable to any desired frequency which is required with a microwave band or a millimeter wave band communication apparatus is disclosed. A single base plate made of metal carries therewith a single or a plurality of dielectric resonators, a pair of input/output coupl ...


10
Slawomir J Fiedziuszko: Dielectric resonator filter with coupling ring and antenna system formed therefrom. Space Systems Loral, Perman & Green, May 14, 1996: US05517203 (21 worldwide citation)

A plurality of dual mode, dielectric resonator loaded cavity filters may be coupled to respective ones of a plurality of radiators of an array antenna, such as a phased array antenna. Each of the filters is provided with a thin annular, electrically conductive ring disposed on a resonator surface fa ...



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