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.)
Publication of BE559849ApublicationCriticalpatent/BE559849A/xx
H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
H03K3/78—Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
G—PHYSICS
G04—HOROLOGY
G04F—TIME-INTERVAL MEASURING
G04F10/00—Apparatus for measuring unknown time intervals by electric means
G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC
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
Landscapes
Engineering & Computer Science
(AREA)
Power Engineering
(AREA)
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Oscillators With Electromechanical Resonators
(AREA)