Electronic instrument

Details Electronic instrument Electronic instrument

1985-04-30

1986-01-28

Fuller, Benjamin R.

Registers

Keyboards

With total transfer to keyboard or the like

200 5A, G06C 702, H01H 926

Patent

active

045673543

ABSTRACT:
An electronic instrument comprises a printed circuit substrate on which electrical parts are actually mounted, a frame placed on the front side of the printed circuit substrate and having openings at least at positions corresponding to the electrical parts, a front sheet disposed at a position opposed to the printed circuit substrate with the frame interposed therebetween and provided with an adhesion margin on the peripheral portion thereof, a back sheet disposed on the back side of the printed circuit substrate and provided with an adhesion margin on the peripheral portion thereof, and an adhesive agent applied to the adhesion margins of the front sheet and the back sheet to cause the printed circuit substrate and the frame to be sandwiched between the front sheet and the back sheet.

REFERENCES:
patent: 3777222 (1973-12-01), Harris
patent: 4042439 (1977-08-01), Pounds
patent: 4158115 (1979-06-01), Parkinson et al.
patent: 4158230 (1979-06-01), Washizuki et al.
patent: 4317011 (1982-02-01), Mazurk

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