NL239635A - - Google Patents

Info

Publication number
NL239635A
NL239635A NL239635DA NL239635A NL 239635 A NL239635 A NL 239635A NL 239635D A NL239635D A NL 239635DA NL 239635 A NL239635 A NL 239635A
Authority
NL
Netherlands
Application number
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.)
Publication of NL239635A publication Critical patent/NL239635A/xx

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
    • H03H9/05—Holders; Supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
    • 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
    • H03H9/05—Holders; Supports
    • H03H9/09—Elastic or damping supports
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/48—Coupling means therefor
    • H03H9/50—Mechanical coupling means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
NL239635D 1958-05-30 NL239635A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES58425A DE1265884B (de) 1958-05-30 1958-05-30 Elektromechanisches Filter mit piezoelektrischem Antrieb und Laengsschwingungen oder Biegeschwingungen ausfuehrenden Resonatoren
DES0062564 1959-04-14

Publications (1)

Publication Number Publication Date
NL239635A true NL239635A (xx)

Family

ID=25995529

Family Applications (1)

Application Number Title Priority Date Filing Date
NL239635D NL239635A (xx) 1958-05-30

Country Status (4)

Country Link
US (2) US3078427A (xx)
DE (2) DE1265884B (xx)
GB (1) GB918127A (xx)
NL (1) NL239635A (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL261600A (xx) * 1960-02-26
NL277292A (xx) * 1961-06-20
BE622952A (xx) * 1961-09-28
DE1264635B (de) * 1962-02-09 1968-03-28 Siemens Ag Elektromechanisches Filter
US3189851A (en) * 1962-06-04 1965-06-15 Sonus Corp Piezoelectric filter
US3408514A (en) * 1964-05-19 1968-10-29 Siemens Ag Electromechanical transducer of the electrostrictive type
US3437848A (en) * 1964-09-24 1969-04-08 Telefunken Patent Piezoelectric plate filter
DE1276240B (de) * 1966-03-03 1968-08-29 Siemens Ag Bandfilter aus polykristalliner, piezoelektrischer Keramik
US3763446A (en) * 1972-03-31 1973-10-02 Murata Manufacturing Co High frequency multi-resonator of trapped energy type
US4368402A (en) * 1980-07-02 1983-01-11 Fuji Electrochemical Co., Ltd. H-Type ceramic resonator
US4396895A (en) * 1980-11-21 1983-08-02 Tohoku Metal Industries, Ltd. Multiple resonant electromechanical filters using edge-mode vibration of a long piezoelectric plate

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE659088C (de) * 1936-04-26 1938-04-25 Keller Hartmut Piezoelektrische Kopplungsvorrichtung
US2276013A (en) * 1939-06-08 1942-03-10 Western Electric Co Apparatus for electrical transformation
DE735220C (de) * 1939-07-02 1943-05-11 Kali Forschungs Anstalt G M B Verfahren zur Reinigung von konzentrierten Magnesium- oder Calciumchloridloesungen
DE912709C (de) * 1939-12-06 1954-06-03 Zeiss Carl Fa Piezoelektrische Resonatoreinrichtung
US2292886A (en) * 1941-05-22 1942-08-11 Bell Telephone Labor Inc Rochelle salt piezoelectric crystal apparatus
DE892344C (de) * 1941-09-04 1953-10-05 Siemens Ag Stimmgabelfilter
US2358087A (en) * 1942-10-29 1944-09-12 Bell Telephone Labor Inc Electromechanical filter
US2373431A (en) * 1943-03-30 1945-04-10 Bell Telephone Labor Inc Electric wave filter
DE835765C (de) * 1944-12-13 1952-04-03 Patelhold Patentverwertung Mechanisches, durch elektrische Einrichtungen in Schwingungen zu versetzendes Schwingsystem
US2443471A (en) * 1945-03-29 1948-06-15 Bell Telephone Labor Inc Piezoelectric damping means for mechanical vibrations
US2596460A (en) * 1946-04-05 1952-05-13 Us Navy Multichannel filter
US2493145A (en) * 1948-04-29 1950-01-03 Brush Dev Co Piezoelectric crystal apparatus
CH267210A (de) * 1948-06-03 1950-03-15 Hasler Ag Verfahren zur magnetomechanischen Energieumsetzung.
BE483369A (xx) * 1948-07-03
DE928969C (de) * 1949-10-30 1955-06-16 Siemens Ag Piezoelektrischer Koppler, insbesondere aus Quarzkristall
US2695357A (en) * 1951-04-19 1954-11-23 Rca Corp Frequency conversion apparatus
GB758631A (en) * 1952-01-31 1956-10-10 Nat Res Dev Improvements in and relating to ultrasonic oscillators and vibratory tools
US2829350A (en) * 1955-08-16 1958-04-01 Collins Radio Co Mechanical filter with coupling wires
US3015789A (en) * 1956-04-23 1962-01-02 Toyotsushinki Kabushiki Kaisha Mechanical filter
US2877432A (en) * 1957-01-08 1959-03-10 Clevite Corp Electromechanical filter elements
US2965861A (en) * 1957-09-18 1960-12-20 Collins Radio Co Thickness-shear-mode mechanical filter

Also Published As

Publication number Publication date
US3078427A (en) 1963-02-19
DE1265884B (de) 1968-04-11
US3086183A (en) 1963-04-16
DE1416741A1 (de) 1968-10-03
GB918127A (en) 1963-02-13

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