G - Physics – 06 – F
Patent
G - Physics
06
F
347/39, 347/9
G06F 1/00 (2006.01) G06F 3/02 (2006.01) H04M 1/02 (2006.01) H05K 5/00 (2006.01)
Patent
CA 1276040
ABSTRACT OF THE DISCLOSURE A modularly expandable keyboard has expansion modules which are integrated into an elementary keyboard by means of locking tongues inserted in depressed tracks in the modules and held in place by detents in the attached modules. The detent mechanisms are formed integrally with the housings of the modules and are unstressed when fully engaged. ~n electrical interconnect plug integrates the electrical buses of attached modules. Modules can be attached to either right or left and additional modules can be attached to already attached modules indefinitely.
552708
Smart & Biggar
Wang Laboratories Inc.
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