BE348417A - - Google Patents

Info

Publication number
BE348417A
BE348417A BE348417DA BE348417A BE 348417 A BE348417 A BE 348417A BE 348417D A BE348417D A BE 348417DA BE 348417 A BE348417 A BE 348417A
Authority
BE
Belgium
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 BE348417A publication Critical patent/BE348417A/xx
Priority claimed from US248145A external-priority patent/US1869556A/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/19Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56Monolithic crystal filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
BE348417D 1927-01-28 BE348417A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE284357T 1927-01-28
US248145A US1869556A (en) 1927-01-28 1928-01-20 Method and means for vibrating crystals
US463805A US1874960A (en) 1927-01-28 1930-06-25 Means for vibrating crystals

Publications (1)

Publication Number Publication Date
BE348417A true BE348417A (zh)

Family

ID=31950062

Family Applications (2)

Application Number Title Priority Date Filing Date
BE34841D BE34841A (zh) 1927-01-28
BE348417D BE348417A (zh) 1927-01-28

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE34841D BE34841A (zh) 1927-01-28

Country Status (4)

Country Link
US (1) US1874960A (zh)
BE (2) BE348417A (zh)
FR (1) FR652814A (zh)
GB (1) GB284357A (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2719929A (en) * 1955-10-04 brown
US2774892A (en) * 1951-05-29 1956-12-18 Bendix Aviat Corp Annular vibrator with lumped loading
US2944117A (en) * 1955-06-20 1960-07-05 Erie Resistor Corp Bender type piezoelectric transducer
NL236717A (zh) * 1958-03-03
CH607880B (fr) * 1976-01-16 Centre Electron Horloger Resonateur piezo-electrique.

Also Published As

Publication number Publication date
US1874960A (en) 1932-08-30
BE34841A (zh)
FR652814A (fr) 1929-03-13
GB284357A (zh) 1929-04-29

Similar Documents

Publication Publication Date Title
FR34420E (zh)
FR34773E (zh)
FR34567E (zh)
FR34753E (zh)
FR626058A (zh)
FR623185A (zh)
FR632657A (zh)
FR34755E (zh)
FR34827E (zh)
FR616807A (zh)
FR636270A (zh)
FR621660A (zh)
NL20888C (zh)
BE348417A (zh)
BE340583A (zh)
BE340192R (zh)
BE340063A (zh)
BE354617A (zh)
NL66460B (zh)
BE354771A (zh)
NL30962C (zh)
NL26539C (zh)
NL21581C (zh)
BE343718A (zh)
BE343817A (zh)