Patent ID: 9306578
Filing Date: 2016-04-05
CPC Classification: H03B,H03L

Claim Text:
1. An oscillator, comprising: an oscillator circuit, being configured to output an oscillation signal; a crystal filter, having a frequency characteristic where an attenuation at a detuned frequency is larger than an attenuation at an oscillation frequency of the oscillation signal, and the detuned frequency being a frequency different from the oscillation frequency; a package portion that covers a crystal blank of the oscillator circuit and a crystal blank of the crystal filter; and a heating portion, being configured to heat the crystal blank of the oscillator circuit and the crystal blank of the crystal filter by using a resistor disposed between a wiring board to which the package portion is secured, and the package portion, wherein the heating portion includes: the package portion is heated by transfer of heat generated by the heat generating portion of the heating portion.