DE2133634C3 - Elektrisches Filter nach dem Oberflächenwellenprinzip, Verfahren zu seinem Abgleich und Filterweiche - Google Patents

Elektrisches Filter nach dem Oberflächenwellenprinzip, Verfahren zu seinem Abgleich und Filterweiche

Info

Publication number
DE2133634C3
DE2133634C3 DE2133634A DE2133634A DE2133634C3 DE 2133634 C3 DE2133634 C3 DE 2133634C3 DE 2133634 A DE2133634 A DE 2133634A DE 2133634 A DE2133634 A DE 2133634A DE 2133634 C3 DE2133634 C3 DE 2133634C3
Authority
DE
Germany
Prior art keywords
filter
wave
sections
propagation
impurities
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
Application number
DE2133634A
Other languages
German (de)
English (en)
Other versions
DE2133634B2 (de
DE2133634A1 (de
Inventor
Friedrich Dipl.-Ing. 8000 Muenchen Kuenemund
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.)
Siemens AG
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
Priority to BE785945D priority Critical patent/BE785945A/xx
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE2133634A priority patent/DE2133634C3/de
Priority to DE2158858A priority patent/DE2158858C3/de
Priority claimed from DE19722209585 external-priority patent/DE2209585C3/de
Priority to DE19722209585 priority patent/DE2209585C3/de
Priority to GB2265472A priority patent/GB1396997A/en
Priority to CH779372A priority patent/CH549900A/xx
Priority to AU42811/72A priority patent/AU466036B2/en
Priority to AT463472A priority patent/AT326730B/de
Priority to AR242947A priority patent/AR193276A1/es
Priority to FI1783/72A priority patent/FI57033C/fi
Priority to FR7223337A priority patent/FR2145175A5/fr
Priority to US00267424A priority patent/US3781717A/en
Priority to NL7209290A priority patent/NL7209290A/xx
Priority to IT26618/72A priority patent/IT962433B/it
Priority to CA146,346A priority patent/CA987009A/en
Priority to SE7208849A priority patent/SE381389B/xx
Priority to JP6786072A priority patent/JPS52657B1/ja
Priority to JP8944172A priority patent/JPS5326798B2/ja
Publication of DE2133634A1 publication Critical patent/DE2133634A1/de
Priority to AT1078673A priority patent/AT340483B/de
Publication of DE2133634B2 publication Critical patent/DE2133634B2/de
Publication of DE2133634C3 publication Critical patent/DE2133634C3/de
Application granted granted Critical
Priority to SE7506320A priority patent/SE408112B/xx
Expired 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 elements; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/182—Extraction of features or characteristics of the image by coding the contour of the pattern
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02653—Grooves or arrays buried in the substrate
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/02771—Reflector banks
    • 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
    • H03H9/02905—Measures for separating propagation paths on substrate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE2133634A 1971-07-06 1971-07-06 Elektrisches Filter nach dem Oberflächenwellenprinzip, Verfahren zu seinem Abgleich und Filterweiche Expired DE2133634C3 (de)

Priority Applications (20)

Application Number Priority Date Filing Date Title
BE785945D BE785945A (fr) 1971-07-06 Filtre electrique utilisant le principe des ondes de surface
DE2133634A DE2133634C3 (de) 1971-07-06 1971-07-06 Elektrisches Filter nach dem Oberflächenwellenprinzip, Verfahren zu seinem Abgleich und Filterweiche
DE2158858A DE2158858C3 (de) 1971-07-06 1971-11-26 Elektromechanischer Wandler
DE19722209585 DE2209585C3 (de) 1972-02-29 Elektrisches Filter nach dem Oberflächenwellenprinzip
GB2265472A GB1396997A (en) 1971-07-06 1972-05-15 Electromechanical transducdrs and surface wave electrical filters
CH779372A CH549900A (de) 1971-07-06 1972-05-26 Elektrisches, mit akustischen oberflaechenwellen arbeitendes filter.
AU42811/72A AU466036B2 (en) 1971-07-06 1972-05-26 Improvements in or relating to electro-mechanical transducers and surface wave electrical filters employing such transducers
AT463472A AT326730B (de) 1971-07-06 1972-05-29 Elektrisches filter nach dem oberflächenwellenprinzip
AR242947A AR193276A1 (es) 1971-07-06 1972-06-06 Filtro electrico a ondas superficiales
FI1783/72A FI57033C (fi) 1971-07-06 1972-06-21 Elektriskt filter enlig ytvaogprincipen
FR7223337A FR2145175A5 (enExample) 1971-07-06 1972-06-28
US00267424A US3781717A (en) 1971-07-06 1972-06-29 Piezoelectric filter having resonators formed between adjacent interference locations
NL7209290A NL7209290A (enExample) 1971-07-06 1972-06-30
IT26618/72A IT962433B (it) 1971-07-06 1972-07-05 Filtro elettrico basato sul prin cipio delle onde superficiali e trasduttore elettromeccanico
CA146,346A CA987009A (en) 1971-07-06 1972-07-05 Electromechanical transducers and surface wave electrical filters employing such transducers
SE7208849A SE381389B (sv) 1971-07-06 1972-07-05 Elektriskt filter
JP6786072A JPS52657B1 (enExample) 1971-07-06 1972-07-06
JP8944172A JPS5326798B2 (enExample) 1971-07-06 1972-09-06
AT1078673A AT340483B (de) 1971-07-06 1973-12-21 Elektromechanischer wandler
SE7506320A SE408112B (sv) 1971-07-06 1975-06-03 Elektromekanisk omvandlare

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2133634A DE2133634C3 (de) 1971-07-06 1971-07-06 Elektrisches Filter nach dem Oberflächenwellenprinzip, Verfahren zu seinem Abgleich und Filterweiche
DE2158858A DE2158858C3 (de) 1971-07-06 1971-11-26 Elektromechanischer Wandler
DE19722209585 DE2209585C3 (de) 1972-02-29 Elektrisches Filter nach dem Oberflächenwellenprinzip

Publications (3)

Publication Number Publication Date
DE2133634A1 DE2133634A1 (de) 1973-01-25
DE2133634B2 DE2133634B2 (de) 1974-08-08
DE2133634C3 true DE2133634C3 (de) 1975-03-27

Family

ID=27183546

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2133634A Expired DE2133634C3 (de) 1971-07-06 1971-07-06 Elektrisches Filter nach dem Oberflächenwellenprinzip, Verfahren zu seinem Abgleich und Filterweiche
DE2158858A Expired DE2158858C3 (de) 1971-07-06 1971-11-26 Elektromechanischer Wandler

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE2158858A Expired DE2158858C3 (de) 1971-07-06 1971-11-26 Elektromechanischer Wandler

Country Status (14)

Country Link
US (1) US3781717A (enExample)
JP (1) JPS5326798B2 (enExample)
AR (1) AR193276A1 (enExample)
AT (1) AT326730B (enExample)
BE (1) BE785945A (enExample)
CA (1) CA987009A (enExample)
CH (1) CH549900A (enExample)
DE (2) DE2133634C3 (enExample)
FI (1) FI57033C (enExample)
FR (1) FR2145175A5 (enExample)
GB (1) GB1396997A (enExample)
IT (1) IT962433B (enExample)
NL (1) NL7209290A (enExample)
SE (2) SE381389B (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2363701A1 (de) * 1973-12-21 1975-06-26 Licentia Gmbh Akustisches oberflaechenwellenfilter
GB1445782A (en) * 1974-03-05 1976-08-11 Standard Telephones Cables Ltd Surface acoustic wave filter device
US3886504A (en) * 1974-05-20 1975-05-27 Texas Instruments Inc Acoustic surface wave resonator devices
US4166258A (en) * 1974-08-29 1979-08-28 International Business Machines Corporation Thin-film integrated circuit with tank circuit characteristics and applications to thin-film filters and oscillators
FR2290786A1 (fr) * 1974-11-08 1976-06-04 Thomson Csf Dispositif a reflexion selective d'ondes elastiques de surface
GB1529941A (en) * 1975-01-15 1978-10-25 Mullard Ltd Electrical filters including coupled resonators
US3961293A (en) * 1975-02-03 1976-06-01 Texas Instruments Incorporated Multi-resonant surface wave resonator
US3970970A (en) * 1975-06-30 1976-07-20 Motorola, Inc. Multiple acoustically coupled surface acoustic wave resonators
US4055820A (en) * 1975-12-05 1977-10-25 Sperry Rand Corporation Reflective dot array for acoustic wave processing
US4048594A (en) * 1976-01-02 1977-09-13 Hughes Aircraft Company Surface acoustic wave filter
US4028648A (en) * 1976-03-08 1977-06-07 Texas Instruments Incorporated Tunable surface wave device resonator
US4130813A (en) * 1977-05-23 1978-12-19 Raytheon Company Surface wave device having enhanced reflectivity gratings
US4184131A (en) * 1978-07-20 1980-01-15 Massachusetts Institute Of Technology Electrical filter of cascaded surface acoustic wave resonators
JPS63159799A (ja) * 1986-12-24 1988-07-02 株式会社神戸製鋼所 放射性物質の輸送兼貯蔵用容器
JP3841197B2 (ja) * 1999-03-01 2006-11-01 メダコースティクス，インコーポレイテッド 低縦断面音響センサアレイ
US7077853B2 (en) * 2000-10-20 2006-07-18 Ethicon Endo-Surgery, Inc. Method for calculating transducer capacitance to determine transducer temperature
DE10347108B4 (de) * 2003-10-10 2017-09-21 Snaptrack, Inc. Elektroakustisches Bauelement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437848A (en) * 1964-09-24 1969-04-08 Telefunken Patent Piezoelectric plate filter
US3662293A (en) * 1971-03-17 1972-05-09 Zenith Radio Corp Acoustic-wave transmitting device

Also Published As

Publication number Publication date
DE2158858B2 (de) 1973-11-15
DE2158858A1 (de) 1973-05-30
BE785945A (fr) 1973-01-08
SE7506320L (sv) 1975-06-03
GB1396997A (en) 1975-06-11
IT962433B (it) 1973-12-20
DE2209585A1 (de) 1973-09-13
DE2133634B2 (de) 1974-08-08
AU4281172A (en) 1973-11-29
DE2133634A1 (de) 1973-01-25
AR193276A1 (es) 1973-04-11
AT326730B (de) 1975-12-29
FI57033C (fi) 1980-05-12
FI57033B (fi) 1980-01-31
SE408112B (sv) 1979-05-14
US3781717A (en) 1973-12-25
JPS5326798B2 (enExample) 1978-08-04
JPS4861091A (enExample) 1973-08-27
NL7209290A (enExample) 1973-01-09
SE381389B (sv) 1975-12-01
CA987009A (en) 1976-04-06
ATA463472A (de) 1975-03-15
DE2209585B2 (de) 1975-06-19
FR2145175A5 (enExample) 1973-02-16
DE2158858C3 (de) 1974-06-12
CH549900A (de) 1974-05-31

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee