Pocket calculator

Details Pocket calculator Pocket calculator

G - Physics

06

F

354/215

G06F 7/38 (2006.01) G06F 15/02 (2006.01)

Patent

CA 1048652

Application for Patent of William J. Fabry, Jr. and Dennis C. Hersley for POCKET CALCULATOR ABSTRACT OF THE DISCLOSURE A pocket calculator includes a main frame which consists of a keyboard, a display and display drivers mounted on a printed circuit board, a case, and a connector for receiving one of a plurality of arithmetic or processor modules. Each processor module includes an arithmetic chip mounted in a package which is, in turn, mounted on a printed circuit board having an edge connector. The case of the calculator has an aperture for receiving each one of the modules. The connector on the printed circuit board of the main frame is mounted in registry with the aperture and is disposed for receiving the module, such that any one of the number of processor modules may be employed with the same calculator main frame.

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