Abstract: The invention relates to a testing apparatus for testing a 5-wire resistive touch panel of an electronic system. The testing apparatus comprises a voltage control unit, a signal control unit, an electronic unit and a determining unit. The electronic unit is used for generating at least one output signal corresponding to a first voltage level and a second voltage level generated by the voltage control unit and a detecting signal generated by the signal control unit. The determining unit coupled to the electronic unit is used for determining the status of the electronic unit according to the at least one output signal.

Abstract: The invention relates to a detecting apparatus of a capacitive touch panel for detecting at least one touched position executed by a user on the capacitive touch panel including a plurality of sensing elements. The detecting apparatus comprises a first detecting module, a judging module, a second detecting module and a determining module. The first detecting module detects the plurality of sensing elements to generate a plurality of first detecting signals. The judging module generates a plurality of judging signals according to the plurality of first detecting signals. The second detecting module detects at least one sensing element of the plurality of sensing elements according to the plurality of judging signals to generate at least one second detecting signal. The determining module determines the at least one touched position executed by the user on the capacitive touch panel according to the at least one second detecting signal.

Abstract: The invention relates to a detecting apparatus of resistive touch panel comprising a resistive touch panel and a plurality of sensing modules. The resistive touch panel includes a plurality of sensing blocks, each of which is composed of a first sensing unit and a second sensing unit. The plurality of sensing module with corresponding to the plurality of sensing blocks are used for detecting whether those sensing blocks have been touched by the user. Each of those sensing modules comprises a voltage source, an adjusting unit, a controlling unit and a sensing unit. The adjusting unit couples to the first sensing element for generating a current. The controlling unit selectively couples the second sensing element to ground terminal upon a controlling signal. The sensing unit detects a voltage of the adjusting unit and further determines whether the sensing block has been touched by the user or not upon the voltage.

Abstract: The invention relates to a touch panel correcting apparatus includes a control module, a processing module, a detecting module, a judging module and a correcting module. The control module is used for generating a controlling signal. The processing module is used for executing a pointing action under a first predetermined manner after receiving the controlling signal. The detecting module is used for detecting the touch panel according to the pointing action under a second predetermined manner and generating at least one detecting result. The judging module is used for executing a predetermined operation according to the at least one detecting result and a predetermined information and generating at least one correcting value. The correcting module is used for correcting the touch panel according to the at least one correcting value.

Abstract: The invention relates to a testing apparatus for 4-wires resistive touch panel of an electronic system. The testing apparatus includes a voltage control unit, a signal control unit, a connecting unit and a determining unit. The determining unit is used for determining the connection of a first electronic unit and a second electronic unit according to a first voltage level and a second voltage level generated by the voltage control unit and a detecting signal generated by the signal control unit.

Abstract: The invention relates to a frequency adjusting apparatus and the method therefor comprising an adjusting module, a comparing module, a processing module and an operating module. The adjusting module generates a frequency signal according to a predetermined signal after receiving a trigger signal and generates N adjusting signal according to N processing signal. The comparing module compares the N adjusting signal with the predetermined signal according to a predetermined manner and generates N comparing result. The processing module generates N processing signal according to the N comparing result. The operating module executes a specific operation with M adjusting signal of the N adjusting signal matching the predetermined rule and generates a operation signal, wherein the frequency of the operation signal is approximately equal to which of the predetermined signal. Wherein N and M are natural numbers and N?M?1, the adjusting module adjusts the operation frequency according to the operation signal.

Abstract: The invention relates to a signal detecting apparatus comprising at least one first transistor, a second transistor and at least one switch. At least one first transistor is used for generating at least one first adjusting current according to an input signal and a power provided by a voltage source. At least one switch coupled to the voltage source and at least one first transistor is used for controlling at least one first transistor to generate at least one first adjusting current according to at least one control signal. The second transistor coupled to at least one first transistor and a ground generates a second adjusting current according to the input signal. Wherein the signal detecting apparatus generates an output signal according to at least one first adjusting signal and the second adjusting signal.

Abstract: The invention relates to a testing apparatus for testing a 5-wire resistive touch panel of an electronic system. The testing apparatus comprises a voltage control unit, a signal control unit, an electronic unit and a determining unit. The electronic unit is used for generating at least one output signal corresponding to a first voltage level and a second voltage level generated by the voltage control unit and a detecting signal generated by the signal control unit. The determining unit coupled to the electronic unit is used for determining the status of the electronic unit according to the at least one output signal.

Abstract: The invention relates to a testing apparatus for 4-wires resistive touch panel of an electronic system. The testing apparatus comprises a voltage control unit, a signal control unit, a first electronic unit, a second electronic unit, a connecting unit and a determining unit. The determining unit is used for determined the status of the first electronic unit and the second electronic unit according to a first voltage level and a second voltage level generated by the voltage control unit and a detecting signal generated by the signal control unit.

Abstract: The invention relates to a frequency locked detecting apparatus for detecting the frequency of an output frequency signal generated by a phase locked loop according to a input frequency signal, determining whether the phase locked loop is locked or not and generating a detecting signal correspondingly. The frequency detecting apparatus comprises an input module, a processing module, a decoding module and a control module. The inputting module generates an input signal and an enable signal according to a control signal, the input frequency signal and the output frequency signal. The processing module generates at least one processing signal corresponding to the input signal and the enable signal. The decoding module decodes at least one processing signal and generates a decoded signal. The control module generates the detecting signal according to the control signal, the enable signal and the decoded signal.

Abstract: The invention relates to a cursor controlling apparatus for controlling a cursor according to an input information comprising an input module, a processing module and a controlling module. The input module is used for generating the input information. The processing module coupled to the input module is used for generating processing data according to the input information. The controlling module is coupled to the processing module for comparing the processing data with a predetermined value to generate a comparing result and further generating a first control signal or a second control signal corresponding to the processing data and the compared result to control the cursor respectively.