PIEZOELECTRIC ELEMENT FOR AN AUTOMATIC FREQUENCY CONTROL CIRCUIT, OSCILLATING MECHANICAL SYSTEM AND DEVICE COMPRISING THE SAME

• Main Authors: HAEMMERLI, Alexandre, Gueissaz, Francois, Dalla Piazza, Silvio, Schnyder, Bernhard, Tombez, Lionel
• Format: Patent
• Language: English
• Published: 14.03.2019
• Subjects: ELECTROMECHANICAL CLOCKS OR WATCHES; HOROLOGY; PHYSICS

A piezoelectric element for an automatic frequency control circuit. The element includes a balance spring formed of a piezoelectric crystal strip, a first electrode connected to the automatic control circuit, and disposed on at least a first side of the strip, and a second electrode connected to the...