DE3750940D1 - Wandler. - Google Patents

Wandler.

Info

Publication number
DE3750940D1
DE3750940D1 DE3750940T DE3750940T DE3750940D1 DE 3750940 D1 DE3750940 D1 DE 3750940D1 DE 3750940 T DE3750940 T DE 3750940T DE 3750940 T DE3750940 T DE 3750940T DE 3750940 D1 DE3750940 D1 DE 3750940D1
Authority
DE
Germany
Prior art keywords
converter
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 - Fee Related
Application number
DE3750940T
Other languages
English (en)
Other versions
DE3750940T2 (de
Inventor
Peter V Wright
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.)
RF Monolithics Inc
Original Assignee
RF Monolithics Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25397839&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3750940(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by RF Monolithics Inc filed Critical RF Monolithics Inc
Application granted granted Critical
Publication of DE3750940D1 publication Critical patent/DE3750940D1/de
Publication of DE3750940T2 publication Critical patent/DE3750940T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14505—Unidirectional SAW transducers
DE19873750940 1986-07-29 1987-07-16 Wandler. Expired - Fee Related DE3750940T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89123786A 1986-07-29 1986-07-29

Publications (2)

Publication Number Publication Date
DE3750940D1 true DE3750940D1 (de) 1995-02-16
DE3750940T2 DE3750940T2 (de) 1995-05-11

Family

ID=25397839

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873750940 Expired - Fee Related DE3750940T2 (de) 1986-07-29 1987-07-16 Wandler.

Country Status (3)

Country Link
EP (1) EP0255263B1 (de)
JP (1) JP2651494B2 (de)
DE (1) DE3750940T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073763A (en) * 1990-11-02 1991-12-17 R.F. Monolithics, Inc. Group single-phase unidirectional transducers with 3/8λand 5/8λ sampling
US5313177A (en) * 1992-04-06 1994-05-17 Motorola, Inc. Method and apparatus for an acoustic wave filter
US5793146A (en) * 1993-11-12 1998-08-11 Rf Monolithics, Inc. Surface acoustic wave transducer having selected reflectivity
DE19907640A1 (de) * 1998-03-25 1999-10-07 Dresden Ev Inst Festkoerper Akustisches Oberflächenwellenbauelement
DE10010089A1 (de) 2000-03-02 2001-09-06 Epcos Ag Oberflächenwellenwandler mit optimierter Reflexion
WO2014034492A1 (ja) * 2012-08-29 2014-03-06 株式会社村田製作所 弾性波装置及びフィルタ装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51136033U (de) * 1975-04-24 1976-11-02
JPS5438741A (en) * 1977-09-02 1979-03-23 Hitachi Ltd Elastic surface wave element
US4353046A (en) * 1980-11-04 1982-10-05 R F Monolithics, Inc. Surface acoustic wave device with reflectors
JPH0773177B2 (ja) * 1984-12-17 1995-08-02 株式会社東芝 弾性表面波共振子
GB2168869B (en) * 1984-12-19 1988-09-14 Gen Electric Plc A surface acoustic wave ladder transducer

Also Published As

Publication number Publication date
EP0255263A3 (en) 1989-06-28
DE3750940T2 (de) 1995-05-11
EP0255263B1 (de) 1995-01-04
JP2651494B2 (ja) 1997-09-10
EP0255263A2 (de) 1988-02-03
JPS63120510A (ja) 1988-05-24

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee