CH269327A - Piezoelectric device. - Google Patents

Piezoelectric device.

Info

Publication number
CH269327A
CH269327A CH269327DA CH269327A CH 269327 A CH269327 A CH 269327A CH 269327D A CH269327D A CH 269327DA CH 269327 A CH269327 A CH 269327A
Authority
CH
Switzerland
Prior art keywords
piezoelectric device
piezoelectric
Prior art date
Application number
Other languages
French (fr)
Inventor
Limited Marconi S Wire Company
Original Assignee
Marconi Wireless Telegraph Co
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 Marconi Wireless Telegraph Co filed Critical Marconi Wireless Telegraph Co
Publication of CH269327A publication Critical patent/CH269327A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
CH269327D 1946-12-05 1947-12-29 Piezoelectric device. CH269327A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB269327X 1946-12-05
GB30947X 1947-09-03

Publications (1)

Publication Number Publication Date
CH269327A true CH269327A (en) 1950-06-30

Family

ID=26238015

Family Applications (1)

Application Number Title Priority Date Filing Date
CH269327D CH269327A (en) 1946-12-05 1947-12-29 Piezoelectric device.

Country Status (4)

Country Link
CH (1) CH269327A (en)
DE (1) DE806556C (en)
FR (1) FR958936A (en)
GB (1) GB627608A (en)

Also Published As

Publication number Publication date
FR958936A (en) 1950-03-21
GB627608A (en) 1949-08-11
DE806556C (en) 1951-07-12

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