Classifications

• • G—PHYSICS
  • G04—HOROLOGY
  • G04F—TIME-INTERVAL MEASURING
  • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
  • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
  • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
• • 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
  • H03B5/36—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 semiconductor device
  • H03B5/364—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 semiconductor device the amplifier comprising field effect transistors
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
  • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
  • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
  • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
  • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
  • H03K3/354—Astable circuits
  • H03K3/3545—Stabilisation of output, e.g. using crystal

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Crystallography & Structural Chemistry (AREA)
• Oscillators With Electromechanical Resonators (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4277340

Family Applications (2)

Family Applications After (1)

Country Status (7)

Families Citing this family (13)

Family Cites Families (4)

• 1974
  • 1974-04-01 CH CH450474D patent/CH450474A4/xx not_active IP Right Cessation
  • 1974-04-01 CH CH450474A patent/CH580837B5/xx not_active IP Right Cessation
• 1975
  • 1975-03-27 GB GB13095/75A patent/GB1502671A/en not_active Expired
  • 1975-03-27 FR FR7509692A patent/FR2266369B1/fr not_active Expired
  • 1975-03-27 DE DE2514276A patent/DE2514276C2/de not_active Expired
  • 1975-03-28 JP JP50037034A patent/JPS6025923B2/ja not_active Expired
  • 1975-03-28 IT IT21886/75A patent/IT1037120B/it active
  • 1975-04-01 US US05/564,061 patent/US3956714A/en not_active Expired - Lifetime

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