公开(公告)号：US20230188141A1

公开(公告)日：2023-06-15

申请号：US18167459

申请日：2023-02-10

申请人： MAXIS-01 CORPORATION

发明人： Noboru TAKAHASHI ,  Ryo KOBAYASHI ,  Yukihiro OKAMOTO

IPC分类号： H03L1/02 ,  H03L1/04

CPC分类号： H03L1/028 ,  H03L1/04

摘要： Provided is a thermostatic type crystal oscillator with short operation stabilization time and low power consumption.
A thermostatic type crystal oscillator according to the present invention includes a crystal resonator including an IT-cut crystal blank, a vibration control circuit configured to control a vibration frequency of the crystal resonator, a temperature regulator configured to regulate a temperature of the crystal resonator within a set temperature range by repeating heating and cooling to the crystal resonator, a heat conducting plate configured to function as a heat absorbing plate and a heat dissipating plate for the temperature regulator, a temperature control circuit configured to control a temperature of the temperature regulator, and a housing that accommodates the crystal resonator. The housing defines a resonator accommodating space in which the crystal resonator is accommodated inside the housing.

公开(公告)号：US20230130678A1

公开(公告)日：2023-04-27

申请号：US17906267

申请日：2020-12-28

申请人： MAXIS-01 CORPORATION

发明人： Noboru TAKAHASHI ,  Ryo KOBAYASHI ,  Yukihiro OKAMOTO

IPC分类号： H03H9/13 ,  H03B5/30 ,  H03H9/17

摘要： The present invention is able to reduce a CI value without requiring precise processing of a crystal blank.
An electrode structure of a crystal unit (1) according to the present invention includes driven electrodes (21, 22) arranged at least at a center on main surfaces (11, 12) of a crystal blank (10). The driven electrodes (21, 22) have a structure in which vibration energy of thickness shear vibration of the crystal blank (10) is concentrated in a central region of the crystal blank (10).