Keyboard

Details Keyboard Keyboard

H - Electricity

01

H

197/119

H01H 13/70 (2006.01)

Patent

CA 1192521

KEYBOARD Abstract of the Disclosure A moldable, impulse operation synthetic resin keyboard, and a method of fabricating the same, are provided wherein the keyboard achieves essentially standard, tactile feel and feedback, mechanical N-key rollover protection, and precise, reliable output. The preferred embodiment of the keyboard includes a synthetic resin base plate having a plurality of elongated, cantilever mounted flippers, along with a plurality of elongated, laterally spaced, inwardly and opposedly extending, pivotal, key-supporting arms. Upon depression of a key, the associated flipper is deformed until a release point is reached, whereupon the flipper is disengaged, allowing the flipper to quickly return to its rest position. A keyboard output is developed as the flipper, during overtravel thereof past its rest position, strikes a signal-generating assembly. An alternative embodiment of the keyboard includes a plurality of depressible keys mounted on respective upright synthetic resin flaps designed to collapse upon key depression and engage and move an underlying, resilient, U-shaped shifting member; the member in turn engages and shifts another U-shaped resilient element which supports one or more upstanding encoding posts. When the U-shaped element reaches a cocked position it is disengaged from the shifting member and allowed to snap back toward the original rest position thereof independently of subsequent return movement of the key and shifting member. The snap back motion is sensed and a corresponding key output signal developed.

407011

Affiliated with

Also associated with

Rating

Keyboard does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Keyboard, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Keyboard will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1267620