Expandable keyboard for electronic pocket calculators and the like
Foldable data collecting and processing device
Folding electronic device
Membrane keyboard and method of using same
Portable terminal device
Computer having ejectable keyboard ejected by damping device Patent #: 5287245
ApplicationNo. 106597 filed on 08/16/1993
US Classes:341/22, Including keyboard or keypad345/169, Portable (i.e., handheld, calculator, remote controller)361/680, Including keyboard supportD14/392Keyboard with conventional key arrangement
ExaminersPrimary: Peng, John K.
Assistant: Mullen, Thomas J. Jr.
Attorney, Agent or Firm
International ClassH03K 017/94
AbstractA keyboard for a miniature computer or other data processing device which permits a standard key spacing to be retained while enabling folding of the keyboard to reduce its overall size for storage or carrying purposes. In another aspect, the thickness of the keyboard when in folded position is reduced in some embodiments by maintaining its keys in depressed positions.