Keyboard for initiating switching operations or switching...

Details Keyboard for initiating switching operations or switching... Keyboard for initiating switching operations or switching...

H - Electricity

03

M

340/187

H03M 11/00 (2006.01) H01H 13/702 (2006.01)

Patent

CA 1242258

KEYBOARD FOR INITIATING SWITCHING OPERATIONS OR SWITCHING SIGNALS ASSOCIATED WITS RESPECTIVE SYMBOLS ON THE SURFACES OF THE KEYS ABSTRACT OF THE DISCLOSURE A keyboard for initiating switching functions or switching signals. Synchronizing pins coupled to four key members at the mutually adjacent crossing between them cause actuation of contact sets upon depression of the keyboard surface above each synchronizing pin. Actuation of at least two contact sets are necessary to initiate a switching function corresponding to the keyboard symbol at the position of surface depression. A light may be employed to visually indicate the symbol actuated.

427569

Affiliated with

Also associated with

Rating

Keyboard for initiating switching operations or switching... 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 for initiating switching operations or switching..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Keyboard for initiating switching operations or switching... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1251430