FR791933A - Plaque de cristal piézo-électrique - Google Patents

Plaque de cristal piézo-électrique

Info

Publication number
FR791933A
FR791933A FR791933DA FR791933A FR 791933 A FR791933 A FR 791933A FR 791933D A FR791933D A FR 791933DA FR 791933 A FR791933 A FR 791933A
Authority
FR
France
Prior art keywords
crystal plate
piezoelectric crystal
piezoelectric
plate
crystal
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR791933A publication Critical patent/FR791933A/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
    • H03H9/15—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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR791933D 1934-07-02 1935-07-01 Plaque de cristal piézo-électrique Expired FR791933A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US791933XA 1934-07-02 1934-07-02

Publications (1)

Publication Number Publication Date
FR791933A true FR791933A (fr) 1935-12-19

Family

ID=22149009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791933D Expired FR791933A (fr) 1934-07-02 1935-07-01 Plaque de cristal piézo-électrique

Country Status (1)

Country Link
FR (1) FR791933A (fr)

Similar Documents

Publication Publication Date Title
CH238066A (de) Piezoelektrische Quarzplatte.
FR791933A (fr) Plaque de cristal piézo-électrique
FR780398A (fr) Filtre
FR766809A (fr) Montre-bracelet
FR783932A (fr) Adhésif
FR797712A (fr) Agitateur
FR785769A (fr) Cristaux piézo-électriques
FR784022A (fr) Compteur
FR784133A (fr) Montre-bracelet perfectionnée
FR790298A (fr) Cadran horaire
FR44833E (fr) Perfectionnement aux cristaux piézoélectriques
FR792777A (fr) Perfectionnements aux dispositifs vibratoires
FR736956A (fr) Contrôleur de fréquence à cristal piézo-électrique
FR44617E (fr) Montre-bracelet
FR790356A (fr) Crachoir
FR793383A (fr) Compteur
CA342310A (fr) Cristal piezo-electrique
FR773185A (fr) Pendulette
FR815816A (fr) Appointeuse
FR766682A (fr) Hourdis perfectionné
FR773341A (fr) Blocs à feuilles détachables
FR792957A (fr) Seringue dentaire
FR774934A (fr) Support pour cristal piézoélectrique
FR784762A (fr) Perfectionnements aux vibrateurs
FI16070A (fi) Hellalaatta