Patent ID: 7468753

Claim:
A telecommunications device comprising: a portable telephone unit that includes a housing and circuitry enabling wireless telecommunications; a camera integrated with said portable telephone, said camera including an imaging sensor and an optical member having a plurality of focus positions with respect to said sensor; and a refocusing arrangement for manipulating said optical member with respect to said focus positions, said refocusing arrangement being mechanically driven by operations of telephone components primarily included to enable functions of said telephone unit independently from operations of said camera; wherein said refocusing arrangement includes: a ratchet member having said optical member fixed thereto, the ratchet member having a plurality of ramp members, each of the ramp members includes at least first and second step portions, as a respective set, a contacting surface of the first step portion of each respective set is elongated relative to a contacting surface of the second step portion of the respective set, and a displacement member, the ratchet member rotatable with respect to the displacement member to form a ratchet cam, the displacement member including a plurality of ramp portions, each slidably in contact with a corresponding ramp member of said ratchet member such that actuation of said ratchet member linearly displaces said displacement member to a next focus position.