Patent · US Expired

Small-sized piezoelectric resonator

US7138752B1 · kind B1 · utility

7Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 2005
Grant dateNov 21, 2006
Priority date
Expiry dateJun 20, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03H9/21
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

The piezoelectric resonator according to the invention includes a tuning fork shaped part with two parallel vibrating arms, connected to each other by a linking part, from which protrude a central arm located between both vibrating arms of the tuning fork shaped part, the vibrating arms carrying first electrodes to make them vibrate, these electrodes being connected to connection elements carried by the central arm, wherein a slot has been cut within the linking part opposite to the central arm and wherein second electrodes have been arranged along said slot.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.