ATA415573A - Filter oder verzogerungsleitung nach dem oberflachenwellenprinzip - Google Patents

Filter oder verzogerungsleitung nach dem oberflachenwellenprinzip

Info

Publication number
ATA415573A
ATA415573A AT415573A AT415573A ATA415573A AT A415573 A ATA415573 A AT A415573A AT 415573 A AT415573 A AT 415573A AT 415573 A AT415573 A AT 415573A AT A415573 A ATA415573 A AT A415573A
Authority
AT
Austria
Prior art keywords
filter
delay line
line according
surface wave
wave principle
Prior art date
Application number
AT415573A
Other languages
English (en)
Other versions
AT339957B (de
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of ATA415573A publication Critical patent/ATA415573A/de
Application granted granted Critical
Publication of AT339957B publication Critical patent/AT339957B/de

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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02874—Means for compensation or elimination of undesirable effects of direct coupling between input and output transducers
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02913—Measures for shielding against electromagnetic fields
AT415573A 1972-07-18 1973-05-11 Filter oder verzogerungsleitung nach dem oberflachenwellenprinzip AT339957B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722235233 DE2235233C3 (de) 1972-07-18 1972-07-18 Filter oder Verzögerungsleitung nach dem OberflächenweUenprinzip

Publications (2)

Publication Number Publication Date
ATA415573A true ATA415573A (de) 1977-03-15
AT339957B AT339957B (de) 1977-11-25

Family

ID=5850962

Family Applications (1)

Application Number Title Priority Date Filing Date
AT415573A AT339957B (de) 1972-07-18 1973-05-11 Filter oder verzogerungsleitung nach dem oberflachenwellenprinzip

Country Status (7)

Country Link
AT (1) AT339957B (de)
BE (1) BE802498A (de)
DE (1) DE2235233C3 (de)
FR (1) FR2193289B1 (de)
GB (1) GB1441602A (de)
IT (1) IT993581B (de)
NL (1) NL7307898A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296391A (en) 1977-10-28 1981-10-20 Hitachi, Ltd. Surface-acoustic-wave filter for channel selection system of television receiver
DE3517254A1 (de) * 1985-05-13 1986-11-13 Siemens AG, 1000 Berlin und 8000 München Mit akustischen wellen arbeitendes elektrisches filter
US4870312A (en) * 1987-02-19 1989-09-26 Hazeltine Corporation Surface wave device having anti-reflective shield
JP3384403B2 (ja) * 2001-03-01 2003-03-10 株式会社村田製作所 弾性表面波装置、通信装置
DE102010008774B4 (de) 2010-02-22 2015-07-23 Epcos Ag Mikroakustisches Filter mit kompensiertem Übersprechen und Verfahren zur Kompensation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573673A (en) * 1969-01-08 1971-04-06 Zenith Radio Corp Acoustic surface wave filters

Also Published As

Publication number Publication date
DE2235233A1 (de) 1974-01-31
DE2235233C3 (de) 1978-03-02
FR2193289A1 (de) 1974-02-15
IT993581B (it) 1975-09-30
DE2235233B2 (de) 1977-07-14
FR2193289B1 (de) 1978-02-17
GB1441602A (en) 1976-07-07
BE802498A (fr) 1973-11-16
AT339957B (de) 1977-11-25
NL7307898A (de) 1974-01-22

Similar Documents

Publication Publication Date Title
BE782645A (nl) Verbeteringen aan koffiefilters of dergelijke met eenmalig gebruik.
NL172810C (nl) Filter met akoestische oppervlakte-golven.
AT312517B (de) Schürfkübel
AT326730B (de) Elektrisches filter nach dem oberflächenwellenprinzip
ZA738168B (en) Improvements relating to surface finishes
IT981240B (it) Perfezionamenti ai gridistori per iperfrequenze
IT961468B (it) Filtro ad onda di superficie
BR7202745D0 (pt) Filtro de n-trajetos
IT963391B (it) Generatore di superfici curve
AU7398374A (en) Acoustic surface wave devices
IT1000767B (it) Filtro elettromeccanico ad onde di superficie
AT339957B (de) Filter oder verzogerungsleitung nach dem oberflachenwellenprinzip
AU5196373A (en) Surface treatment
AU4461772A (en) Improvements in or relating to acoustic surface wave devices
AT311416B (de) Filter oder Verzögerungsleitung nach dem Oberflächenwellenprinzip
IT990730B (it) Installazione per pulire stalle
IT956899B (it) Filtro piezoelettrico che lavora secondo il principio delle onde superficiali
IT978084B (it) Perfezionamenti apportati agli apparecchi di allarme
AT320744B (de) Piezoelektrisches Filter nach dem Oberflächenwellenprinzip
ZA738184B (en) Surface treatment
BE785364A (fr) Element fonctionnel travaillant suivant le principe des ondes superficielles
AT332458B (de) Radarverfahren nach dem impulsdopplerprinzip
ZA735034B (en) Improvements relating to surface finishes
ZA735869B (en) Improvements to surfaces
SU467152A1 (ru) Способ удалени продуктов коррозии

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee