DE69933737D1 - Antennenweiche und Kommunikationsgerät - Google Patents

Antennenweiche und Kommunikationsgerät

Info

Publication number
DE69933737D1
DE69933737D1 DE69933737T DE69933737T DE69933737D1 DE 69933737 D1 DE69933737 D1 DE 69933737D1 DE 69933737 T DE69933737 T DE 69933737T DE 69933737 T DE69933737 T DE 69933737T DE 69933737 D1 DE69933737 D1 DE 69933737D1
Authority
DE
Germany
Prior art keywords
communication device
antenna switch
antenna
switch
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69933737T
Other languages
English (en)
Other versions
DE69933737T2 (de
Inventor
Hitoshi Tada
Motoharu Hiroshima
Hideyuki Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Application granted granted Critical
Publication of DE69933737D1 publication Critical patent/DE69933737D1/de
Publication of DE69933737T2 publication Critical patent/DE69933737T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2136—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using comb or interdigital filters; using cascaded coaxial cavities
DE69933737T 1998-08-25 1999-08-12 Antennenweiche und Kommunikationsgerät Expired - Lifetime DE69933737T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23882198A JP3387422B2 (ja) 1998-08-25 1998-08-25 アンテナ共用器及び通信機装置
JP23882198 1998-08-25

Publications (2)

Publication Number Publication Date
DE69933737D1 true DE69933737D1 (de) 2006-12-07
DE69933737T2 DE69933737T2 (de) 2007-02-22

Family

ID=17035786

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933737T Expired - Lifetime DE69933737T2 (de) 1998-08-25 1999-08-12 Antennenweiche und Kommunikationsgerät

Country Status (6)

Country Link
US (1) US20020003456A1 (de)
EP (1) EP0982792B1 (de)
JP (1) JP3387422B2 (de)
KR (1) KR100337617B1 (de)
CN (1) CN1159800C (de)
DE (1) DE69933737T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002185209A (ja) 2000-12-08 2002-06-28 Tdk Corp バンドパスフィルタ
JP2002246805A (ja) * 2001-02-14 2002-08-30 Murata Mfg Co Ltd 誘電体フィルタ、誘電体デュプレクサ、および通信装置
JP3570397B2 (ja) * 2001-06-20 2004-09-29 株式会社村田製作所 誘電体フィルタ、誘電体デュプレクサおよび通信装置
JP2003087011A (ja) * 2001-06-27 2003-03-20 Murata Mfg Co Ltd 誘電体デュプレクサおよび通信装置
JP2003051701A (ja) 2001-08-03 2003-02-21 Tdk Corp バンドパスフィルタ
JP2003087010A (ja) * 2001-09-06 2003-03-20 Ngk Spark Plug Co Ltd 誘電体デュプレクサ
JP2003087004A (ja) 2001-09-10 2003-03-20 Tdk Corp バンドパスフィルタ
CN110459847B (zh) * 2019-08-02 2021-04-20 成都理工大学 基于多通孔的电磁耦合交指带通滤波器及设计方法
CN112563693A (zh) * 2019-09-25 2021-03-26 深圳三星通信技术研究有限公司 介质滤波器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0495401A (ja) * 1990-08-10 1992-03-27 Murata Mfg Co Ltd 有極型誘電体フィルタ
FI86673C (fi) * 1991-04-12 1992-09-25 Lk Products Oy Keramiskt duplexfilter.
US5488335A (en) * 1992-01-21 1996-01-30 Motorola, Inc. Multi-passband dielectric filter construction having a filter portion including at least a pair of dissimilarly-sized resonators
US5250916A (en) * 1992-04-30 1993-10-05 Motorola, Inc. Multi-passband dielectric filter construction having filter portions with dissimilarly-sized resonators
EP0552761B1 (de) * 1992-01-23 1999-07-07 Murata Manufacturing Co., Ltd. Dielektrisches Filter und Herstellungsverfahren dafür
JP3230353B2 (ja) * 1993-11-18 2001-11-19 株式会社村田製作所 アンテナ共用器
JP3405783B2 (ja) * 1993-11-24 2003-05-12 日本特殊陶業株式会社 誘電体フィルタ装置
US5512866A (en) * 1994-04-29 1996-04-30 Motorola, Inc. Ceramic duplex filter
JPH09312506A (ja) * 1996-05-23 1997-12-02 Ngk Spark Plug Co Ltd 誘電体フィルタ
JP3577921B2 (ja) * 1997-01-13 2004-10-20 株式会社村田製作所 誘電体フィルタ及び誘電体デュプレクサ
US6052040A (en) * 1997-03-03 2000-04-18 Ngk Spark Plug Co., Ltd. Dielectric duplexer with different capacitive coupling between antenna pad and transmitting and receiving sections

Also Published As

Publication number Publication date
EP0982792A2 (de) 2000-03-01
JP2000068711A (ja) 2000-03-03
US20020003456A1 (en) 2002-01-10
JP3387422B2 (ja) 2003-03-17
KR20000017524A (ko) 2000-03-25
EP0982792B1 (de) 2006-10-25
CN1250236A (zh) 2000-04-12
EP0982792A3 (de) 2001-08-01
CN1159800C (zh) 2004-07-28
DE69933737T2 (de) 2007-02-22
KR100337617B1 (ko) 2002-05-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition