Title:
FILTER
Document Type and Number:
WIPO Patent Application WO/2023/189530
Kind Code:
A1
Abstract:
A filter (10) is provided with: a plurality of resonators (11A to 11E) each comprising a via-electrode portion (20A to 20E) formed in a dielectric substrate (14), and a capacitor electrode (19A, 18B, 19C, 18D, 19E) that faces a first shielding conductor (12A) and is connected to one end of the via-electrode portion; and a first capacitively coupled structure (71AB) which includes a first electrode pattern (19A3) connected to the first capacitor electrode (19A) of the first resonator (11A), and a second electrode pattern (18B2) which is connected to the second capacitor electrode (18B) of the second resonator (11B) and of which at least a part overlaps at least a part of the first electrode pattern in plan view.
More Like This:
| JPH0541204 | [Name of device] Dielectric filter |
| JP3461420 | DIELECTRIC FILTER |
Inventors:
SUZUKI SHUN (JP)
ISONO HIROYUKI (JP)
ADACHI KAZUYA (JP)
KOSAKA KAZUMA (JP)
ISONO HIROYUKI (JP)
ADACHI KAZUYA (JP)
KOSAKA KAZUMA (JP)
Application Number:
PCT/JP2023/009807
Publication Date:
October 05, 2023
Filing Date:
March 14, 2023
Export Citation:
Assignee:
SOSHIN ELECTRIC (JP)
International Classes:
H01P1/205; H01P1/203; H01P3/12
Foreign References:
| JP2020022079A | 2020-02-06 | |||
| JP2000004106A | 2000-01-07 |
Attorney, Agent or Firm:
TOHO INTERNATIONAL PATENT & LAW OFFICE (JP)
Download PDF:
Previous Patent: FILTER
Next Patent: WATER QUALITY SENSOR CALIBRATION SYSTEM, WATER QUALITY MANAGEMENT SYSTEM, AND WATER QUALITY MANAGEME...
Next Patent: WATER QUALITY SENSOR CALIBRATION SYSTEM, WATER QUALITY MANAGEMENT SYSTEM, AND WATER QUALITY MANAGEME...