The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 1986
Filed:
Apr. 10, 1981
Naveed Alam, Tulsa, OK (US);
Other;
Abstract
In devices such as electronic calculators, which perform mathematical or like functions and require plurality of data inputs to perform their functions; a data input key is pivotally maintained within the body of said device and is adapted to provide a plurality of input data. The data input key has an upper exposed portion having an opening configured and adapted to be engaged by the thumb or finger of the user whereby the key may be manipulated to various contact positions situated in a circular or longitudinal path. These various contact positions provide different input data to the device. In another embodiment, a plurality of the input keys may be used to accommodate a large number of inputs, for example, the inputs of a typewriter.