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SEMI-CAPTIVE KEYBOARD Disclosure Number: IPCOM000022828D
Original Publication Date: 1976-Feb-29
Included in the Prior Art Database: 2004-Mar-26

Publishing Venue

Xerox Disclosure Journal


The keyboard of Figure 1 provides for information encoding with minimal finger movement by the operator. The keys of the keyboard are arranged in clusters I through 5, such as a cluster of five keys as illustrated in Figure 2, with a majority of the keys of a cluster having the force-receiving surface oriented toward, i.e., perpendi- cular to, the key operator. The operator places a finger in each of the clusters 1 through 5 and the