| 主权项 |
1. An input device, comprising:
an operation element defined with an optical sensing region, where a moving operation and/or a pressing operation of a finger can be sensed; an optical finger navigation module disposed under the optical sensing region for sensing the moving operation of the finger on the optical sensing region so as to generate a motion signal; a press sensing circuit; at least one press sensing element disposed under the optical finger navigation module and electrically connected to the press sensing circuit to generate a press signal in response to the pressing operation of the finger on the operation element; a control unit connected with the optical finger navigation module and the press sensing circuit to generate a first control command in response to the motion signal, and generate a second control command in response to the press sensing signal; a circuit board; a substrate disposed under the substrate for supporting the substrate, the circuit board and the operation element, the elastic supporting element has at least one rubber projection, and the at least one rubber projection is disposed under and aligned with the at least one press sensing element; wherein the press sensing circuit is formed on a bottom surface of the circuit board, and the at least one press sensing element is disposed on the top surface of the substrate, and when a portion of the operation element is pressed with a force larger than a predetermined level, the operation element, the circuit board and the substrate are jointly moved in a corresponding direction in response to the force, so that the substrate is thrust by the at least one rubber projection and the impedance of the at least one press sensing element varies with a level of the pressing operation of the finger on the operation element, and thereby, the press sensing circuit generates the press signal accordingly. |
