DE69118992T2 - Echtzeit in-situ-Einstellung einer Verzögerung für einen akustischen Oberflächenwellenfilter - Google Patents
Echtzeit in-situ-Einstellung einer Verzögerung für einen akustischen OberflächenwellenfilterInfo
- Publication number
- DE69118992T2 DE69118992T2 DE69118992T DE69118992T DE69118992T2 DE 69118992 T2 DE69118992 T2 DE 69118992T2 DE 69118992 T DE69118992 T DE 69118992T DE 69118992 T DE69118992 T DE 69118992T DE 69118992 T2 DE69118992 T2 DE 69118992T2
- Authority
- DE
- Germany
- Prior art keywords
- delay
- real
- time
- acoustic wave
- surface acoustic
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
- H03H3/10—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves for obtaining desired frequency or temperature coefficient
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/567,831 US5111168A (en) | 1990-08-15 | 1990-08-15 | Real-time, in-situ saw filter delay adjustment |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69118992D1 DE69118992D1 (de) | 1996-05-30 |
DE69118992T2 true DE69118992T2 (de) | 1996-10-10 |
Family
ID=24268821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69118992T Expired - Fee Related DE69118992T2 (de) | 1990-08-15 | 1991-08-14 | Echtzeit in-situ-Einstellung einer Verzögerung für einen akustischen Oberflächenwellenfilter |
Country Status (3)
Country | Link |
---|---|
US (1) | US5111168A (de) |
EP (1) | EP0471567B1 (de) |
DE (1) | DE69118992T2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5216312A (en) * | 1992-02-28 | 1993-06-01 | Hewlett-Packard Company | Fluid sensing device having reduced attenuation of shear transverse waves |
US5321331A (en) * | 1992-03-13 | 1994-06-14 | Hewlett-Packard Company | Double-sided fluid sensor for reduced attenuation of shear transverse waves |
JPH06307887A (ja) * | 1993-04-01 | 1994-11-04 | Hewlett Packard Co <Hp> | 音響遅延装置、音波装置および音波装置の動作方法 |
US5973578A (en) * | 1998-03-31 | 1999-10-26 | Unisor Multisystems Ltd | Programmable signal translating devices and method of programming such devices |
AU2002221018A1 (en) * | 2000-11-29 | 2002-06-11 | Soliton Holdings Corp. | Saw wave-guides |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4097825A (en) * | 1977-01-05 | 1978-06-27 | Hughes Aircraft Company | Surface acoustic wave tapped delay line |
US4130813A (en) * | 1977-05-23 | 1978-12-19 | Raytheon Company | Surface wave device having enhanced reflectivity gratings |
US4278492A (en) * | 1980-01-21 | 1981-07-14 | Hewlett-Packard Company | Frequency trimming of surface acoustic wave devices |
US4364016A (en) * | 1980-11-03 | 1982-12-14 | Sperry Corporation | Method for post fabrication frequency trimming of surface acoustic wave devices |
US4442574A (en) * | 1982-07-26 | 1984-04-17 | General Electric Company | Frequency trimming of saw resonators |
US4634914A (en) * | 1985-05-09 | 1987-01-06 | The United States Of America As Represented By The Secretary Of The Army | Piezoelectric SAW device with a corrugated surface |
US4598224A (en) * | 1985-08-07 | 1986-07-01 | The United States Of America As Represented By The Secretary Of The Army | Surface acoustic wave device for sensing the presence of chemical agents |
-
1990
- 1990-08-15 US US07/567,831 patent/US5111168A/en not_active Expired - Lifetime
-
1991
- 1991-08-14 DE DE69118992T patent/DE69118992T2/de not_active Expired - Fee Related
- 1991-08-14 EP EP91307506A patent/EP0471567B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5111168A (en) | 1992-05-05 |
EP0471567A1 (de) | 1992-02-19 |
EP0471567B1 (de) | 1996-04-24 |
DE69118992D1 (de) | 1996-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |