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US 5,359,658 AGranted
Key marking overlay for alphanumeric keypads
AssigneeMark Goodson Games, Inc.
InventorJonathan M. Goodson
Life of this patent
Estimating the term…
Abstract
A key marking overlay for telephone keypads. The overlay is mountable over the telephone keypad and allows pressing of the keys through the overlay. It provides a mechanism for keeping track of the keys which have been pressed during period of use of the keypad. The overlay may also present graphical indicia assigning arbitrary functions to selected keys of the keypad.
Claims18
A key marking device for telephone keypads, comprising;
- an overlay for covering telephone keypads;
- a skirt portion extending from the overlay beyond the keypad area, the skirt portion having an upper side and an underside;
- a body portion of the overlay including indicating means in the form of a plurality of indicating elements, each of said indicating elements being physically associated with only a single corresponding keypad key, for visually indicating the occurrence of a corresponding key press;
- and
- means for connecting the overlay to a touchtone telephone in position to cover the keypad thereof.
2 more elements
A key marking device for telephone keypads, comprising;
- an overlay for covering telephone keypads;
- a skirt portion extending from the overlay beyond the keypad area, the skirt portion having an upper side and an underside;
- a body portion of the overlay including means for maintaining a record of the occurrence of a key press, said means being in the form of a plurality of indicating elements, each of said indicating elements being physically associated with only a single corresponding keypad key, for visually indicating the occurrence of a corresponding key press;
- and
- means for connecting the overlay to a touchtone telephone in position to cover the keypad thereof.
2 more elements
Dependencies are inferred from the claim text.