FR761166A - Perfectionnements aux quartz piézo-électriques et analogues - Google Patents

Perfectionnements aux quartz piézo-électriques et analogues

Info

Publication number
FR761166A
FR761166A FR761166DA FR761166A FR 761166 A FR761166 A FR 761166A FR 761166D A FR761166D A FR 761166DA FR 761166 A FR761166 A FR 761166A
Authority
FR
France
Prior art keywords
piezoelectric quartz
similar improvements
similar
piezoelectric
quartz
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
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 by CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR761166A publication Critical patent/FR761166A/fr
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
    • H03H9/02007—Details of bulk acoustic wave devices
    • 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
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
    • H03H9/02023—Characteristics of piezoelectric layers, e.g. cutting angles consisting of quartz

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR761166D 1932-12-03 1932-12-03 Perfectionnements aux quartz piézo-électriques et analogues Expired FR761166A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR761166T 1932-12-03

Publications (1)

Publication Number Publication Date
FR761166A true FR761166A (fr) 1934-03-13

Family

ID=9172079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR761166D Expired FR761166A (fr) 1932-12-03 1932-12-03 Perfectionnements aux quartz piézo-électriques et analogues

Country Status (1)

Country Link
FR (1) FR761166A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743934C (de) * 1937-10-15 1944-01-13 Hans Bodo Willers Wellenfilter aus mehreren hintereinandergeschalteten Gliedern, die alle den gleichen Durchlassbereich aufweisen und die jeweils piezoelektrische Kristalle als Impedanzen enthalten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743934C (de) * 1937-10-15 1944-01-13 Hans Bodo Willers Wellenfilter aus mehreren hintereinandergeschalteten Gliedern, die alle den gleichen Durchlassbereich aufweisen und die jeweils piezoelektrische Kristalle als Impedanzen enthalten

Similar Documents

Publication Publication Date Title
FR791719A (fr) Perfectionnements aux haut-parleurs et instruments analogues
FR761166A (fr) Perfectionnements aux quartz piézo-électriques et analogues
FR787540A (fr) Perfectionnements aux oscillateurs électriques et analogues
FR733970A (fr) Perfectionnements aux polissages des glaces et analogues
FR758973A (fr) Fusée percutante
FR733800A (fr) Perfectionnement apporté aux porte-mines
FR734011A (fr) Onglier
FR762087A (fr) Inhalateur
FR733976A (fr) Crible vibratoire
FR752953A (fr) Perfectionnements aux moellons
FR729721A (fr) Perfectionnements aux carburateurs
FR760428A (fr) Vibrateur
FR736066A (fr) Vibro-masseur
FR791720A (fr) Perfectionnements se rapportant aux haut-parleurs et aux instruments analogues
FR757511A (fr) Perfectionnements aux fenêtres et analogues
FR720653A (fr) Perfectionnements aux ponts et constructions analogues
FR733729A (fr) Perfectionnements aux montres-bracelets
FR783820A (fr) Perfectionnements aux instruments dentaires et analogues
FR746830A (fr) Construction économique et démontable
FR722016A (fr) Perfectionnements aux rétroviseurs et analogues
FR761655A (fr) Perfectionnements apportés aux machines à écrire et machines analogues
FR734930A (fr) Perfectionnements aux ciments
FR753351A (fr) Perfectionnements aux cercueils
FR684431A (fr) Perfectionnements aux hachofrs et autres instruments analogues
FR788248A (fr) Perfectionnements aux saxophones et instruments analogues