Browse Prior Art Database

Keyboard with Pretravel Force

IP.com Disclosure Number: IPCOM000052925D
Original Publication Date: 1981-Aug-01
Included in the Prior Art Database: 2005-Feb-12

Publishing Venue

IBM

Related People

Authors:
Perkins, NK [+details]

Abstract

A buckling spring-type keyboard utilizes a spring having a larger diameter in one section than in another to provide two levels of force as the keybutton is depressed.