| 发明名称 | Oscillator, electronic device and moving object | ||
| 摘要 | 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. | ||
| 申请公布号 | US9252783(B2) | 申请公布日期 | 2016.02.02 |
| 申请号 | US201414220845 | 申请日期 | 2014.03.20 |
| 申请人 | SEIKO EPSON CORPORATION | 发明人 | Isohata Kensaku;Kiyohara Atsushi |
| 分类号 | H03L1/04;H03L1/02 | 主分类号 | H03L1/04 |
| 代理机构 | Oliff PLC | 代理人 | Oliff PLC |
| 主权项 | 1. An oscillator comprising: 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 generates a temperature correction voltage for correcting frequency-temperature characteristics of an output signal of the oscillation circuit, the temperature correction circuit comprising: a primary correction circuit which corrects a primary component of the frequency-temperature characteristics of the output signal of the oscillation circuit, the primary correction circuit generating a primary correction voltage, anda secondary correction circuit which corrects a secondary component of the frequency-temperature characteristics of the output signal of the oscillation circuit, the secondary correction circuit generating a secondary correction voltage that changes non-linearly with respect to a change of temperature. | ||
| 地址 | Tokyo JP | ||