1
Yasuhiko Mizutani, Takami Hirai, Kazuhiro Kadota, Takanobu Saka, Hironobu Kimura: Stacked dielectric filter. NGK Insulators, Burr & Brown, December 7, 2004: US06828881 (137 worldwide citation)

A stacked dielectric filter includes a filter section which has first and second input side resonant electrodes and first and second output side resonant electrodes of two ΒΌ wavelength resonators, a converting section which has a plurality of strip lines, and a connecting section which connects the ...


2
Mizutani Yasuhiko, Hirai Takami, Kadota Kazuhiro, Saka Hironobu, Kimura Hironobu: Laminated type dielectric filter. NGK Insulators, Soshin Electric, March 20, 2003: JP2003-087008 (130 worldwide citation)

PROBLEM TO BE SOLVED: To effectively miniaturize a laminated type dielectric filter whereas realizing balanced inputs/outputs, with considering the connection of high-frequency amplifier circuits, etc.SOLUTION: The filter is composed of filter parts 20, having first and second input resonance electr ...


3
Marek T Wlodarczyk, Luciano Coletta, James A Campbell, Douglas G Tomasko: Fiber optic sensors. Fiberoptic Sensor Technologies, Harness Dickey & Pierce, May 15, 1990: US04924870 (109 worldwide citation)

Serveral improvements in fiber optic sensing systems are disclosed. One improvement incorporates a dielectric filter applied directly to the sensing end of an optical fiber detector which has the characteristic that it reflects back a reference light beam of one wavelength while passing a sensing si ...


4
Steven R Green, David M De Muro, Raymond L Sokola: Multiple resonator dielectric filter. Motorola, Raymond A Jenski, Rolland R Hackbart, Donald B Southard, September 8, 1987: US04692726 (101 worldwide citation)

A multiresonator dielectric block filter is disclosed in which capacitive coupling between foreshortened resonators disposed in the dielectric block is controlled by an electrode strip coupled to the conductive material covering the majority of the dielectric block surface. The electrode strip exten ...


5
Donald I Gonser: Visible light apparatus for curing photo-curable compositions. Dentsply Research & Development, Woodcock Washburn Kurtz Mackiewicz & Norris, May 24, 1983: US04385344 (99 worldwide citation)

There is provided a device for efficient production of light in the low visible range for photo-curing materials, the device being particularly adapted for dental applications. The efficient light source comprises a tungsten halogen lamp with a concentrating reflector which reflects visible light an ...


6
Toshio Nishikawa, Tadahiro Yorita: Dielectric filter for use in a microwave integrated circuit. Murata Manufacturing, Wenderoth Lind & Ponack, October 27, 1987: US04703291 (84 worldwide citation)

A dielectric filter for use in a microwave integrated circuit includes a substrate made of ceramics and a plurality of dielectric resonators mounted on the substrate. The substrate has a ground electrode, input and output strip lines, and a plurality of capacitance electrodes. The dielectric resonat ...


7
Toshio Ishizaki, Mitsuhiro Fujita, Hikaru Ikeda, Takashi Fujino: Dielectric filter having inter-resonator coupling including both magnetic and electric coupling. Matsushita Electric Industrial, Wenderoth Lind & Ponack, March 7, 1995: US05396201 (75 worldwide citation)

A small and thin plane type narrow-band dielectric filter to be used for a portable telephone and the like, includes a plurality of end short-circuited strip line resonators having a length of about quarter-wavelength formed parallel and closely to each other on a first dielectric substrate and dire ...


8
Youhei Ishikawa, Sadao Yamashita, Kikuo Tsunoda, Toshiro Hiratsuka, Kazuyoshi Miyawaki: Dielectric filter. Murata Manufacturing, Ostrolenk Faber Gerb & Soffen, April 26, 1988: US04740765 (75 worldwide citation)

A dielectric filter includes a single block made of dielectric material having three or more through holes in which an inner conductor is deposited to define three or more dielectric resonators coupled in a cascade manner. A reactance coupling arrangement is provided for coupling two spaced dielectr ...


9
Michael F Moutrie, Raymond L Sokola, Phillip J Gordon: Multiple resonator component-mountable filter. Motorola, Raymond A Jenski, Rolland R Hackbart, December 29, 1987: US04716391 (61 worldwide citation)

A dielectric block filter which may be mounted on a printed circuit board or other substrate as a single component is disclosed. The dielectric filter utilizes metalized hole resonators having coupling characteristics determined by the metalization pattern on one surface of the dielectric block. Inp ...


10
Aimo Turunen, Pauli Nappa: Ceramic band-pass filter. LK Products Oy, Darby & Darby, April 7, 1992: US05103197 (55 worldwide citation)

A dielectric filter is formed from a block of ceramic material with holes extending from a top surface toward a bottom surface. At least the bottom, both ends and one side surface are coated with conductive material. Also, the interior surfaces of the holes are coated with conductive material to for ...