Patent · US Active

Keyboard assembly including an electromagnet

US9401713B2 · kind B2 · utility

1Cited by

4References

20Claims

0Family size

Assignee

HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. · US

Inventors

Stephen De Saulles · London, GB
Edward Thomas Rose · London, GB

Key dates

Filing date	Jan 4, 2013
Grant date	Jul 26, 2016
Priority date	—
Expiry date	Jan 4, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG06F3/0221
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A keyboard assembly includes a plurality of keys, a key actuation mechanism to move at least one of the keys, the key actuation mechanism including an electromagnet, and a controller to selectively control the electromagnet to cause the at least one key to move between a raised position and a retracted position.

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