Abstract: An electronic device includes a resonator provided with a heating element, and a circuit component opposed to the heating element, and provided with at least an oscillating amplifier element, and a distance between the heating element and the circuit component is in a range not smaller than 0 mm and no larger than 1.5 mm.

Abstract: A method of adjusting a frequency of a resonation device including a resonator element and a heating element includes performing the frequency adjustment of the resonator element while heating the resonator element by the heating element.

Abstract: An electronic component includes a wiring substrate, a heating element, a first support, a second support, and a container. The heating element, the first support, and the second support are electrically connected to the wiring substrate. The wiring substrate is disposed within the container through the first support and the second support which penetrate the container. Each of the first support and the second support includes a protrusion portion protruding outside the container, and the protrusion portion of the second support is shorter than the protrusion portion of the first support.

Abstract: An oscillator includes: an integrated circuit including a circuit for oscillation; a resonator element; a circuit element; a heating element, and a container. The integrated circuit, the resonator element, and the heating element are arranged inside the container. The circuit element is arranged outside the container.

Abstract: A resonator includes: a package; a support section that is provided on a surface of the package; and a vibration element in which an attachment section, which is disposed between an outer edge of a vibration substrate, in which excitation electrodes are provided on main surfaces thereof, and an outer edge of the excitation electrode, is attached to the support section through a conductive adhesive. The attachment section is disposed in a region S obtained by rotating a virtual line which connects the center of the vibration element and one end of the vibration element, in a range of ?35° to +35° of a rotation angle ? about the center, and an attachment area becomes 0.7 mm2 or more.

Abstract: An electronic device includes a resonator provided with a heating element, and a circuit component opposed to the heating element, and provided with at least an oscillating amplifier element, and a distance between the heating element and the circuit component is in a range not smaller than 0 mm and no larger than 1.5 mm.

Abstract: An oscillator includes an oscillation element; an oscillation circuit which causes the oscillation element to oscillate; a heat generation element which heats the oscillation element; a temperature control circuit which controls the heat generation element; and a temperature correction circuit which corrects frequency-temperature characteristics of an output signal of the oscillation circuit.

Abstract: A quartz crystal vibrator includes a quartz crystal resonator element, a thermistor adapted to detect the temperature, and a package adapted to incorporate the quartz crystal resonator element and the thermistor, a plurality of electrode pads adapted to support the quartz crystal resonator element is disposed on an inner bottom surface of the package, to which the quartz crystal resonator element and the thermistor are installed, and a wiring pattern, which is extracted from at least one electrode pad, and has a thermal conductivity higher than a thermal conductivity of a package base of the package including the inner bottom surface, overlaps the thermistor in a plan view.

Abstract: A temperature information generation circuit includes a temperature sensor (a first temperature detection section), a high-sensitivity temperature sensor (one or plural second temperature detection sections) having higher sensitivity than that of the temperature sensor, an output selection circuit, and a control section. The output selection circuit and the control section select a detection signal of the high-sensitivity temperature sensor upon supply of a power supply voltage, and then perform switching so as to select a detection signal of the temperature sensor at a predetermined timing.

Abstract: A temperature compensation method for a piezoelectric oscillator including a piezoelectric vibrator having a frequency temperature characteristic with a hysteresis characteristic, and an oscillation circuit which oscillates the piezoelectric vibrator and outputs an oscillation signal, wherein, to a temperature compensation circuit which can calculate a quantity of temperature compensation using frequency temperature information indicating a temperature characteristic of an oscillation frequency of the piezoelectric vibrator and temperature information of the piezoelectric vibrator at the time of oscillation of the oscillation signal, the oscillation signal and the frequency temperature information are outputted, includes: calculating, as the frequency temperature information, an intermediate value between elevated-temperature frequency temperature information of the piezoelectric vibrator that is generated in the case where ambient temperature of the piezoelectric vibrator is elevated, and lowered-temperature

Abstract: An oscillation circuit includes: an oscillator that includes a vibrator and outputs an oscillation signal; an F/V converter that converts the oscillation signal into a voltage corresponding to a frequency of the oscillation signal; and a memory circuit that stores frequency correcting information for correcting the frequency of the oscillation signal.

Abstract: A temperature compensation method for a piezoelectric oscillator including a piezoelectric vibrator having a frequency temperature characteristic with a hysteresis characteristic, and an oscillation circuit which oscillates the piezoelectric vibrator and outputs an oscillation signal, wherein, to a temperature compensation circuit which can calculate a quantity of temperature compensation using frequency temperature information indicating a temperature characteristic of an oscillation frequency of the piezoelectric vibrator and temperature information of the piezoelectric vibrator at the time of oscillation of the oscillation signal, the oscillation signal and the frequency temperature information are outputted, includes: calculating, as the frequency temperature information, an intermediate value between elevated-temperature frequency temperature information of the piezoelectric vibrator that is generated in the case where ambient temperature of the piezoelectric vibrator is elevated, and lowered-temperature