The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 15, 2011
Filed:
Jan. 05, 2010
Li-jen Chien, Jhubei, TW;
Hsin-hao Hsu, Jhubei, TW;
Jui-sheng Jao, HsinChu, TW;
Olivier Dumont, Lausanne, CH;
Patrick Monney, Mex, CH;
Antoine Merminod, Gimel, CH;
Li-Jen Chien, Jhubei, TW;
Hsin-Hao Hsu, Jhubei, TW;
Jui-Sheng Jao, HsinChu, TW;
Olivier Dumont, Lausanne, CH;
Patrick Monney, Mex, CH;
Antoine Merminod, Gimel, CH;
Logitech Europe S.A., Morges, CH;
Abstract
A key module for a keyboard includes a key having a guiding plunger, and a key housing having a set of walls with an opening formed by the set of walls. The opening formed by the set of walls is configured to receive the guiding plunger. The set of walls includes at least eight guiding surfaces configured to contact the guiding plunger. The guiding plunger is configured to contact the eight guiding surfaces as the guiding plunger moves up and down in the opening.