JPS6312931U - - Google Patents

Info

Publication number
JPS6312931U
JPS6312931U JP1987094554U JP9455487U JPS6312931U JP S6312931 U JPS6312931 U JP S6312931U JP 1987094554 U JP1987094554 U JP 1987094554U JP 9455487 U JP9455487 U JP 9455487U JP S6312931 U JPS6312931 U JP S6312931U
Authority
JP
Japan
Prior art keywords
interdigital
center frequency
surface acoustic
acoustic wave
wave device
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.)
Granted
Application number
JP1987094554U
Other languages
English (en)
Japanese (ja)
Other versions
JPH026670Y2 (https=
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 filed Critical
Publication of JPS6312931U publication Critical patent/JPS6312931U/ja
Application granted granted Critical
Publication of JPH026670Y2 publication Critical patent/JPH026670Y2/ja
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
    • H03H9/02—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
    • H03H9/14514—Broad band 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
    • H03H9/125—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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Thermistors And Varistors (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP1987094554U 1979-03-12 1987-06-19 Expired JPH026670Y2 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2909705A DE2909705C2 (de) 1979-03-12 1979-03-12 Akustische Oberflächenwellenanordnung

Publications (2)

Publication Number Publication Date
JPS6312931U true JPS6312931U (https=) 1988-01-28
JPH026670Y2 JPH026670Y2 (https=) 1990-02-19

Family

ID=6065190

Family Applications (2)

Application Number Title Priority Date Filing Date
JP3021480A Pending JPS55130219A (en) 1979-03-12 1980-03-10 Surface elastic wave filter
JP1987094554U Expired JPH026670Y2 (https=) 1979-03-12 1987-06-19

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP3021480A Pending JPS55130219A (en) 1979-03-12 1980-03-10 Surface elastic wave filter

Country Status (11)

Country Link
US (1) US4325037A (https=)
EP (1) EP0016979B1 (https=)
JP (2) JPS55130219A (https=)
AT (1) ATE4077T1 (https=)
BR (1) BR8001429A (https=)
CA (1) CA1137183A (https=)
DE (1) DE2909705C2 (https=)
ES (1) ES489418A1 (https=)
HU (1) HU181685B (https=)
SU (1) SU1346060A3 (https=)
YU (1) YU67080A (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438246A1 (de) * 1984-10-18 1986-04-24 Siemens AG, 1000 Berlin und 8000 München Akustisches wellenfilter
NO855284L (no) * 1985-01-18 1986-07-21 Siemens Ag Filter som arbeider med akustiske boelger.
NO855285L (no) * 1985-01-22 1986-07-23 Siemens Ag Filter som arbeider med akustiske boelger.
JPH0646692B2 (ja) * 1986-01-10 1994-06-15 株式会社日立製作所 弾性表面波共振子
US4731595A (en) * 1986-01-24 1988-03-15 Rf Monolithics, Inc. Resonator structure
DE19638627B4 (de) * 1996-09-20 2007-09-27 Epcos Ag Oberflächenwellen(OFW)-Filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582838A (en) * 1966-09-27 1971-06-01 Zenith Radio Corp Surface wave devices
US3550045A (en) * 1969-06-25 1970-12-22 Zenith Radio Corp Acoustic surface wave filter devices
GB1328343A (en) * 1969-09-17 1973-08-30 Mullard Ltd Electro mechanical filters
DE2132985C3 (de) * 1971-07-02 1981-06-04 Siemens AG, 1000 Berlin und 8000 München Piezoelektrisches Filter nach dem Oberflächenwellenprinzip
US3987376A (en) * 1974-03-22 1976-10-19 Hazeltine Corporation Acoustic surface wave device with harmonic coupled transducers
GB1529941A (en) * 1975-01-15 1978-10-25 Mullard Ltd Electrical filters including coupled resonators
DE2610183A1 (de) * 1975-03-12 1976-09-23 Murata Manufacturing Co Wellenfilter mit akustischer oberflaechenleitung
DE2615719A1 (de) * 1976-04-09 1977-10-27 Siemens Ag Filter nach dem oberflaechenwellenprinzip

Also Published As

Publication number Publication date
SU1346060A3 (ru) 1987-10-15
DE2909705C2 (de) 1984-09-06
JPH026670Y2 (https=) 1990-02-19
CA1137183A (en) 1982-12-07
ATE4077T1 (de) 1983-07-15
HU181685B (en) 1983-11-28
EP0016979A1 (de) 1980-10-15
ES489418A1 (es) 1980-09-16
US4325037A (en) 1982-04-13
BR8001429A (pt) 1980-11-11
YU67080A (en) 1983-06-30
EP0016979B1 (de) 1983-07-06
JPS55130219A (en) 1980-10-08
DE2909705A1 (de) 1980-09-18

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