SE392375B - Akustisk ytvagsanordning - Google Patents

Akustisk ytvagsanordning

Info

Publication number: SE392375B
Authority: SE; Sweden
Prior art keywords: surface water; water device; acoustic surface; acoustic; water
Prior art date: 1973-09-17

Application number

SE7411541A

Other languages

English (en)

Other versions

SE7411541L (sv

Inventor

R F Mitchell

R Stevens

Original Assignee

Philips Nv

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.)

1973-09-17

Filing date

1974-09-13

Publication date

1977-03-21

1974-09-13 Application filed by Philips Nv filed Critical Philips Nv

1975-03-18 Publication of SE7411541L publication Critical patent/SE7411541L/xx

1977-03-21 Publication of SE392375B publication Critical patent/SE392375B/sv

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
- H03H9/14544—Transducers of particular shape or position
- H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
- H03H9/14544—Transducers of particular shape or position
- H03H9/14564—Shifted fingers transducers

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

SE7411541A 1973-09-17 1974-09-13 Akustisk ytvagsanordning SE392375B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB4348373A GB1413916A (en)	1973-09-17	1973-09-17	Acoustic surface-wave devices

Publications (2)

Publication Number	Publication Date
SE7411541L SE7411541L (sv)	1975-03-18
SE392375B true SE392375B (sv)	1977-03-21

Family

ID=10428948

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7411541A SE392375B (sv)	1973-09-17	1974-09-13	Akustisk ytvagsanordning

Country Status (9)

Country	Link
US (1)	US3955159A (sv)
JP (1)	JPS5057747A (sv)
BE (1)	BE819969A (sv)
DE (1)	DE2443608A1 (sv)
ES (1)	ES430055A1 (sv)
FR (1)	FR2244302B1 (sv)
GB (1)	GB1413916A (sv)
IT (1)	IT1020800B (sv)
SE (1)	SE392375B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4081769A (en) *	1976-09-13	1978-03-28	Texas Instruments Incorporated	Acoustic surface wave resonator with suppressed direct coupled response
GB1554366A (en) *	1977-02-04	1979-10-17	Philips Electronic Associated	Acoustic surface wave devices
JPS547257A (en) *	1977-06-20	1979-01-19	Hitachi Ltd	Elastic surface wave device
SU726648A1 (ru) *	1977-07-22	1980-04-05	Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср	Устройство на поверхностных акустических волнах
WO1980002091A1 (en) *	1979-03-21	1980-10-02	Inst Radiotekh Elektron	Filter based on the use of surface acoustic waves
GB2090093A (en) *	1980-12-19	1982-06-30	Philips Electronic Associated	Acoustic wave devices
US4841470A (en) *	1985-06-25	1989-06-20	Clarion, Co., Ltd.	Surface acoustic wave device for differential phase shift keying convolving
DE19638398C2 (de) *	1996-09-19	1999-12-30	Siemens Matsushita Components	Oberflächenwellen-Bauelement
US6472987B1 (en)	2000-07-14	2002-10-29	Massachusetts Institute Of Technology	Wireless monitoring and identification using spatially inhomogeneous structures
JP4537254B2 (ja) *	2005-04-28	2010-09-01	富士通メディアデバイス株式会社	弾性表面波フィルタおよび分波器
JP4702528B2 (ja) *	2005-05-26	2011-06-15	セイコーエプソン株式会社	弾性表面波素子片、弾性表面波デバイスおよび電子機器
US7595929B1 (en)	2006-05-30	2009-09-29	Crystal Technology, Inc.	Grooved backside acoustic termination of acousto-optic devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3596211A (en) *	1967-11-06	1971-07-27	Zenith Radio Corp	Surface-wave filter reflection cancellation
US3559115A (en) *	1968-02-28	1971-01-26	Zenith Radio Corp	Surface-wave filter reflection cancellation
US3739290A (en) *	1971-05-05	1973-06-12	Secr Defence	Acoustic surface wave devices
US3757256A (en) *	1971-08-02	1973-09-04	Us Navy	Surface wave transducers with cancellation of secondary response
US3727718A (en) *	1971-11-24	1973-04-17	Us Navy	Surface wave ambiguity analyzer
US3846722A (en) *	1973-04-04	1974-11-05	Westinghouse Electric Corp	Surface wave preselector

1973
- 1973-09-17 GB GB4348373A patent/GB1413916A/en not_active Expired
1974
- 1974-09-12 DE DE2443608A patent/DE2443608A1/de active Pending
- 1974-09-13 SE SE7411541A patent/SE392375B/sv unknown
- 1974-09-13 US US05/505,655 patent/US3955159A/en not_active Expired - Lifetime
- 1974-09-13 IT IT69781/74A patent/IT1020800B/it active
- 1974-09-14 ES ES430055A patent/ES430055A1/es not_active Expired
- 1974-09-16 BE BE148577A patent/BE819969A/xx unknown
- 1974-09-17 JP JP49107087A patent/JPS5057747A/ja active Pending
- 1974-09-17 FR FR7431356A patent/FR2244302B1/fr not_active Expired

Also Published As

Publication number	Publication date
ES430055A1 (es)	1976-10-16
IT1020800B (it)	1977-12-30
GB1413916A (en)	1975-11-12
US3955159A (en)	1976-05-04
JPS5057747A (sv)	1975-05-20
FR2244302A1 (sv)	1975-04-11
SE7411541L (sv)	1975-03-18
BE819969A (fr)	1975-03-17
DE2443608A1 (de)	1975-03-20
FR2244302B1 (sv)	1978-08-11

Publication	Publication Date	Title
AT354618B (de)	1979-01-25	Wassermassageeinrichtung
SE386701B (sv)	1976-08-16	Duschanordning
BR7405068A (pt)	1976-02-17	Transdutor acustico
SE7601602L (sv)	1976-02-12	Vattenemulsioner
BE809731A (fr)	1974-05-02	Dispositif sonar
SE404388B (sv)	1978-10-02	Vattenklosett
AT342516B (de)	1978-04-10	Wasserauslassvorrichtung
DK152013C (da)	1988-06-06	Draeneringsindretning
SE380412B (sv)	1975-11-03	Akustisk ytvagsanordning
SE392375B (sv)	1977-03-21	Akustisk ytvagsanordning
AT339469B (de)	1977-10-25	Brause
SE398585B (sv)	1977-12-27	Akustisk ytvagsanordning
IT989192B (it)	1975-05-20	Dispositivo per doccia
AT334953B (de)	1977-02-10	Schwemmaggregat
SE411282B (sv)	1979-12-10	Akustisk ytvagsanordning
SE392376B (sv)	1977-03-21	Akustiska ytvagsanordningar
SE398803B (sv)	1978-01-16	Akustisk ytvagsanordning
BE810394A (fr)	1974-05-16	Baignoire
IT1015180B (it)	1977-05-10	Dispositivo insoncrizzatore
IT999333B (it)	1976-02-20	Trasduttori
AT325069B (de)	1975-10-10	Reinigungsgerät
ATA812873A (de)	1975-07-15	Reinigungsgerat
SU470572A1 (ru)	1975-05-15	Устройство дл забора воды
SU486957A1 (ru)	1975-10-05	Водометный движитель
SU414383A1 (sv)	1974-02-05