Patent ID: 7999791

Claim:
An electronic device comprising: a processor apparatus comprising a processor and a memory; an input apparatus comprising a keypad and being structured to provide input to the processor apparatus; and an output apparatus structured to receive signals from the processor apparatus and to provide output; the keypad comprising a contact apparatus, a primary conductor portion, a secondary conductor portion, and a button apparatus; the contact apparatus comprising a plurality of electrical contacts; the primary conductor portion comprising a number of primary conductors that are movable between a first position and a second position, at least some of the primary conductors in the second position each electrically connecting together a pair of the electrical contacts; the secondary conductor portion comprising a number of secondary conductors that are movable between a first position and a second position, at least some of the secondary conductors in the second position each electrically connecting together a pair of the electrical contacts; the button apparatus comprising a number of key sets, at least some of the key sets each comprising: a first key movable between a first position and a second position, a second key movable between a first position and a second position, and a support, the first and second keys being disposed on the support; for each of at least some of the key sets: one of the primary conductors corresponding with the key set and being: in the second position when the first key is in the second position, and in the second position when the second key is in the second position; one of the secondary conductors corresponding with the first key and being in the second position when the first key is in the second position; and another of secondary conductors corresponding with the second key and being in the second position when the second key is in the second position.