Patent · US Active

Determining impedance-related phenomena in vibrating actuator and identifying device system characteristics based thereon

US9900709B2 · kind B2 · utility

2Cited by

2References

43Claims

0Family size

Assignee

Cochlear Limited · AU

Inventors

Martin Evert Gustaf Hillbratt · Lindome, SE
Kristian Asnes · Chatswood, AU
Marcus Andersson · Jönköping, SE
Johan Gustafsson · Mölnlycke, SE
Mats Höjlund · Mölnlycke, SE

Key dates

Filing date	Mar 14, 2014
Grant date	Feb 20, 2018
Priority date	—
Expiry date	Sep 28, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2460/13
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method, including determining a change in an actuator impedance based on a change in an electrical property of a system of which the actuator is apart, and determining one or more system characteristics based on the change in the actuator impedance.

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