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Add On Shift Lock Mechanism

IP.com Disclosure Number: IPCOM000049932D
Original Publication Date: 1982-Aug-01
Included in the Prior Art Database: 2005-Feb-09

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Related People

Duranske, RG Marshall, JH [+details]


Alphanumeric data entry keyboards are sometimes required to implement typewriter functions, such as case shift or font change operations. These are normally achieved by a shift key. As is often the case, it is necessary to lock the shift for a sequence of characters for this purpose.