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JPS6140022U |
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JPS6137616U |
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JPS616489Y2 |
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JPS6132978U |
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JPS6129519U |
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JPS6132604A |
PURPOSE: To perform stable, wide-range temperature compensation by composing the electronic timepiece of a storage circuit which supplies a corrected value to a temperature information correcting circuit, a logical circuit which generate...
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JPS6123713U |
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JPS6129218A |
PURPOSE: To enable to correct valiance of secondary characteristic of a crystal oscillator at high accuracy by adding a counter that can set frequency dividing ratio. CONSTITUTION: A counter 201 and a setting device 202 that sets frequen...
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JPS6118613U |
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JPS612918B2 |
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JPS6114517U |
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JPS60192541U |
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JPS60169941U |
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JPS60169929U |
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JPS60220605A |
A piezoelectric oscillator operating in the aperiodic or overtone mode comprising a first piezoelectric resonator having a resonance frequency at which the oscillator is to operate. One side of the first resonator is connected to ground,...
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JPS60158310U |
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JPS60149240U |
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JPS60142536U |
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JPS60165804A |
PURPOSE: To apply temperature compensation at each temperature zone depending on the type of oscillating frequency of a crystal oscillator by providing a selecting means responding to an output from a temperature detecting element, activ...
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JPS60154716A |
PURPOSE: To prevent noises at frequency switching by detecting a temperature around the oscillating section, digitizing it, converting the digital signal subjected to temperature compensation into a voltage at a voltage generating sectio...
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JPS6098917U |
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JPS6028416B2 |
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JPS60121823A |
PURPOSE: To perform the temperature compensation of an oscillation frequency through simple constitution without using specially any external element by converting temperature variation into the variation in source voltage, and controlli...
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JPS6085440U |
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JPS6082845U |
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JPS60103419A |
A method and a device for regulating the heating of a thermostatically controlled enclosure of a quartz oscillator. During a first stage, the thermostatically controlled enclosure is exposed to an external temperature close to the maximu...
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JPS6020924B2 |
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JPS6016092Y2 |
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JPS6019842B2 |
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JPS6016134B2 |
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JPS6062727A |
PURPOSE: To obtain the temperature frequency characteristic with high stability by digitizing an output from a temperature sensor and converting a compensated digital data into an anlog data so as to control a crystal oscillator. CONSTIT...
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JPS6062704A |
PURPOSE: To obtain a voltage controlled oscillator with high temperature stability without components having less temperature coefficient by providing a temperature compensating circuit giving a temperature compensating characteristic to...
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JPS6051010A |
PURPOSE: To raise an apparent frequency accuracy in a temperature - frequency characteristic curve of a crystal resonator by biasing in the upper direction an apparent temperature characteristic by 1/2 of the maximum regulation. CONSTITU...
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JPS6037923U |
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JPS6035618U |
A circuit for generating a temperature varying control voltage which is applied to a varactor diode to temperature compensate a crystal oscillator is disclosed. The circuit produces a substantially linear voltage versus temperature varia...
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JPS6038904A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6035805A |
A temperature stabilizing circuit for a microwave oscillator employing a field effect transistor on an AsGa substrate, in which a temperature-stabilized frequency is obtained by varying the gate-channel capacitance of an FET included in ...
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JPS6024704A |
PURPOSE: To adjust temperature characteristics quickly by providing the first ∼ third temperature sensitive resistors in the front stage of a temperature compensating circuit, and providing a temperature compensating circuit that appli...
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JPS601764B2 |
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JPS60815B2 |
Disclosed apparatus compensates for the parabolic temperature induced frequency drift characteristic of a surface acoustic wave tuned oscillator. The apparatus includes a pair of varactor diodes and a temperature sensitive voltage supply...
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JPS59223008A |
PURPOSE: To improve a productivity and to realize a mass production by controlling an input voltage of a temperature compensating circuit, varying a temperature output voltage characteristic of this temperature compensating circuit, and ...
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JPS59217185A |
PURPOSE: To secure the high accuracy of an electronic timepiece, by selective using a plurality of constant voltage circuits different in temp. dependency so as to match the same with characteristics of a crystal vibrator. CONSTITUTION: ...
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JPS59205803A |
PURPOSE: To improve the performance in frequency change against temperature change by inserting a heat-sensitive element between the connections of an output of an amplifier section of a piezoelectric oscillator and a feedback section. C...
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JPS59194519A |
PURPOSE: To obtain highly accurate and highly stable frequency simultaneously with turning on a power supply by using the output of a temperature compensating crystal oscillator until the stabilization of oscillation frequency of a highl...
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JPS59193608A |
PURPOSE: To attain ease of temperature control, miniaturization and low power by switching plural crystal oscillators oscillated with a high stability at an overlapped temperature region at a detected temperature. CONSTITUTION: A control...
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JPS59193629A |
PURPOSE: To stabilize a local oscillating frequency to any temperature change by detecting an internal temperature at the operation of a local oscillator as an electric signal and feeding back this signal to a comparator. CONSTITUTION: I...
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JPS59185411A |
PURPOSE: To obtain a small-sized, inexpensive oscillating device by putting plural crystal oscillators in partial charge of a necessary temperature range respectively, and switching plural oscillator outputs according to ambient temperat...
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JPS59169209A |
PURPOSE: To obtain a miniature crystal oscillator having a thermostatic chamber by using a laminated sintered body, a crystal oscillator, an active element, a thermistor and a means which insulates heat and preserves all said component e...
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JPS59137649U |
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JPS5931057Y2 |
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