FR1015010A - Improvements to piezoelectric crystal oscillators - Google Patents

Improvements to piezoelectric crystal oscillators

Info

Publication number
FR1015010A
FR1015010A FR1015010DA FR1015010A FR 1015010 A FR1015010 A FR 1015010A FR 1015010D A FR1015010D A FR 1015010DA FR 1015010 A FR1015010 A FR 1015010A
Authority
FR
France
Prior art keywords
piezoelectric crystal
crystal oscillators
oscillators
piezoelectric
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
French (fr)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR1015010A publication Critical patent/FR1015010A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/34Generation 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
FR1015010D 1949-03-30 1950-03-24 Improvements to piezoelectric crystal oscillators Expired FR1015010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1015010X 1949-03-30

Publications (1)

Publication Number Publication Date
FR1015010A true FR1015010A (en) 1952-08-26

Family

ID=10868074

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1015010D Expired FR1015010A (en) 1949-03-30 1950-03-24 Improvements to piezoelectric crystal oscillators

Country Status (1)

Country Link
FR (1) FR1015010A (en)

Similar Documents

Publication Publication Date Title
FR1030671A (en) Ultrasonic vibrator
CH271791A (en) Piezoelectric crystal oscillator.
FR996795A (en) Improvements to datograph watches
FR1015010A (en) Improvements to piezoelectric crystal oscillators
FR985072A (en) Improvements to piezoelectric crystal supports
FR930077A (en) Piezoelectric crystals
FR1011707A (en) Improvements to shuttering shuttering constructions
FR1014723A (en) Improvements to piezo-electric crystal oscillators
FR1029885A (en) Improvements to piezoelectric oscillators
FR992029A (en) Improvements to piezoelectric quartz supports
FR1001877A (en) Improvements to clocks
FR1007583A (en) Relaxation oscillator
FR948592A (en) Piezoelectric crystal refinements
FR994628A (en) Improvements to the construction of overlockers
FR1018994A (en) Piezoelectric crystal refinements
FR1018829A (en) Piezoelectric crystal refinements
FR59832E (en) Improvements to piezoelectric crystal supports
FR1003371A (en) Improvement in piezoelectric quartz supports
FR1026946A (en) Improvements to vibrating devices
FR1021829A (en) Further development of piezoelectric crystal oscillators
FR993519A (en) Improvements to injection machines
FR1018375A (en) Improvements relating to dicarboxyphenylsilanes
FR991932A (en) Transducer
CH288572A (en) Piezoelectric crystal element.
FR991257A (en) Improvements to calendar blocks