GB284357A - - Google Patents

Info

Publication number
GB284357A
GB284357A GB2840/28A GB284028A GB284357A GB 284357 A GB284357 A GB 284357A GB 2840/28 A GB2840/28 A GB 2840/28A GB 284028 A GB284028 A GB 284028A GB 284357 A GB284357 A GB 284357A
Authority
GB
United Kingdom
Prior art keywords
crystal
electrodes
electric
piezo
rod
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
GB2840/28A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 claimed from US248145A external-priority patent/US1869556A/en
Application filed by Individual filed Critical Individual
Publication of GB284357A publication Critical patent/GB284357A/en
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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic 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)
GB2840/28A 1927-01-28 1928-01-28 Expired GB284357A (enExample)

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
GB284357A true GB284357A (enExample) 1929-04-29

Family

ID=31950062

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2840/28A Expired GB284357A (enExample) 1927-01-28 1928-01-28

Country Status (4)

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

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 (enExample) * 1958-03-03
CH607880B (fr) * 1976-01-16 Centre Electron Horloger Resonateur piezo-electrique.

Also Published As

Publication number Publication date
BE348417A (enExample)
BE34841A (enExample)
FR652814A (fr) 1929-03-13
US1874960A (en) 1932-08-30

Similar Documents

Publication Publication Date Title
GB695300A (en) Improvements in or relating to torsional vibration dampers
FR1162026A (fr) Compresseur vibrant électromagnétique à fréquence de vibration réduite
JPS5440589A (en) Crystal vibrator of tuning fork type
GB491407A (en) Improvements in or relating to piezoelectric crystal apparatus
GB483034A (en) Improvements in or relating to a method of and means for producing directional oscillations
GB525661A (en) Improvements in magneto-strictive oscillators
GB479020A (en) Improvements in and relating to vibration damping devices
JPS52149082A (en) Crystal vibrator
JPS5375886A (en) At cut crystal vibrator
GB553121A (en) Piezoelectric crystal apparatus
GB464894A (en) Improvements in or relating to piezo-electric crystals
GB689884A (en) Vibration isolator
GB1355581A (en) Oscillating string balance
ES199998A1 (es) UN TAMIZ DE RESONANCIA CON COMPENSACIoN DE MASAS
GB702901A (en) Improvements in or relating to electromagnetic vibrators
ES488948A1 (es) Perfeccionamientos en monturas para transmisiones de heli- copteros
GB800756A (en) Improvements in or relating to instrument suspension
GB399169A (en) Improvements in and relating to mountings for reciprocating engines
GB554789A (en) Rochelle salt piezoelectric crystal apparatus
JPS5252387A (en) Crystal oscillator
GB410429A (en) Improvements in or relating to piezo-electric devices
GB795550A (en) Improvements in or relating to plansifters
Dye Note on electrically-maintained tuning-forks
JPS52133773A (en) Crystal resonator
JPS5375893A (en) Crystal vibrator