Touch input device and electronic device using the same
A touch input device is provided. The touch input device includes a touch panel and a touch control. The touch panel includes a number of touch sensor groups, each touch sensor group includes a line of touch sensors, each touch sensor produces a touch signal in response to a user's touch, the touch sensor groups are arranged on the touch panel one by one along a predetermined path, the quantity of touch sensors of each touch sensor group is increased or decreased gradually, and the arrangement direction of the touch sensors of each touch sensor group is perpendicular to the direction of the predetermined path. The touch control is connected to the touch panel and is used to receive the touch signals produced by the touch sensor, and determine a touch path according to the changes of the quantity of the received touch signals.
1. An electronic device comprising:
a touch input device comprising:
a touch panel comprising a plurality of touch sensor groups, wherein, each touch sensor group comprises a line of touch sensors, each touch sensor is configured to produce a touch signal in response to a user's touch, the plurality of touch sensor groups are arranged on the touch panel one by one along a predetermined path, the quantity of touch sensors of each touch sensor group is increased or decreased gradually, and the arrangement direction of the touch sensors of each touch sensor group is substantially perpendicular to the direction of the predetermined path; and
a touch control, connected to the touch panel and configured to receive the touch signals produced by the touch sensors, determine a touch path is a first touch path when determining a quantity of the received touch signals decreases, and determine the touch path is a second touch path when determining the quantity of the received touch signals increases;
a storage unit storing a relationship table defining a first relationship between the first touch path and a function of decrease a particular parameter, and a second relationship between the second touch path and a function of increase the particular parameter; and
a processing unit, configured to determine a function corresponding to the touch path determined by the touch control according to the relationship table, and produce a control signal to decrease the particular parameter when the touch control determines the touch path is the first touch path, and produce a control signal to increase the particular parameter when the touch control determines the touch path is the second touch path.
2. The electronic device according to claim 1 , wherein the electronic device is a remote control for controlling a lighting, and the particular parameter is brightness of the lighting.
3. The electronic device according to claim 1 , wherein the electronic device is a remote control for controlling a television, and the particular parameter is volume, brightness, or contrast ratio of the television.
4. The electronic device according to claim 1 , wherein the electronic device is a remote control for controlling an air condition, and the particular parameter is wind speed, or temperature of the air condition.
5. The electronic device according to claim 1 , wherein the electronic device is a portable electronic device comprising a mobile phone and a media player, the particular parameter is volume or brightness of the display.