Abstract: A method for detecting an orientation of a stylus over a touch panel is disclosed. The method utilizes capacitance variations on a first location and a second location of the touch panel generated from a tip of a nib of the stylus and a portion of the nib corresponding to a non-shielding portion of a shielding of the stylus to determine the orientation of the stylus.

Abstract: A capacitive stylus with signal control configuration is disclosed. By moving a conductive movable shielding along an axial direction of a conductive nib, the range or length which the conductive movable shielding shields the conductive nib can be changed so as to adjust signal strength of the capacitive stylus.

Abstract: A signal decoding and modulation processing system for capacitive stylus is disclosed. The system includes a micro controller unit (MCU) and a digital processing unit. The digital processing unit is electrically connected to the MCU. The digital processing unit includes a decoding module and a modulating module. The decoding module is configured to decode an input signal from a touch panel, so as to generate a decoded input content. Then, the MCU generates a feedback data according to the decoded input content. The modulating module receives the feedback data from the MCU and performs a modulation process accordingly for generating a differential binary phase shift keying (DBPSK) output signal, which is sent back to the touch panel.

Abstract: A capacitive stylus, as an inputting device of a touch sensitive device, comprises a ball, a ball circuit, a signal-emitting unit, a control circuit, and a battery. The ball circuit comprises a pair of sensing units respectively arranged at up and down side of the ball for tracking the rolling of the ball. The signal-emitting unit emits a signal to the touch sensitive device according to the tracking of the ball. The control circuit electrically connects with the ball circuit and the signal-emitting unit. The battery provides electricity to the control circuit.

Abstract: An electromagnetic induction panel structure includes a multilayer substrate, a first cover unit and a second cover unit. The multilayer substrate includes a first outermost lateral conductive layer and a second outermost lateral conductive layer respectively disposed on two opposite outermost surfaces thereof. The first cover unit is disposed on the first outermost lateral conductive layer. The second cover unit is disposed on the second outermost lateral conductive layer. For example, the first cover unit includes a first insulating layer directly formed on the first outermost lateral conductive layer for directly contacting the first outermost lateral conductive layer. The second cover unit includes a second insulating layer directly formed on the second outermost lateral conductive layer for directly contacting the second outermost lateral conductive layer.

Abstract: A capacitive pointer is disclosed. The capacitive pointer comprises a refill, a refill holder, a spring, a control board, a force sensor, an upper shielding, a lower shielding, a tip cover and a battery. The refill comprises a conductor and penetrates through the refill holder. The spring surrounds one end of the refill holder. The refill holder and the spring electrically connect the control board. The force sensor is located on one end of the control board. The refill and the refill holder press the spring to contact the force sensor to detect the pressure force against the refill. The upper shielding and the lower shielding combine to cover the refill, the refill holder and the spring. The tip cover surrounds one end of the refill and the upper shielding and the lower shielding and electrically connects to the control board. The battery provides the capacitive pointer with electrical power.

Abstract: A circuit of frequency counter is adapted for an electromagnetic board with an electromagnetic pen. The counter exemplarily includes a source count module, a motion count module, a logic module, a switching gate module, a signal-capturing module, a frequency-counting module and a control module. The source count module counts number of clock pulses of a first clock signal. A receiver mode is switched by the switching gate module when the number reaches a first predetermined value. The motion count module counts number of clock pulses of a second clock signal. A transmitter mode is made by the switching gate module when the number reaches a second predetermined value. When a cumulative number of circular number counted by the frequency-counting module reaches a third predetermined value, the frequency-counting module completes counting a first high-frequency clock signals, and the control module obtains an operating frequency for the electromagnetic pen.

Abstract: A capacitive pointer is disclosed. The capacitive pointer comprises a refill, a refill holder, a spring, a control board, a force sensor, an upper shielding, a lower shielding, a tip cover and a battery. The refill comprises a conductor and penetrates through the refill holder. The spring surrounds one end of the refill holder. The refill holder and the spring electrically connect the control board. The force sensor is located on one end of the control board. The refill and the refill holder press the spring to contact the force sensor to detect the pressure force against the refill. The upper shielding and the lower shielding combine to cover the refill, the refill holder and the spring. The tip cover surrounds one end of the refill and the upper shielding and the lower shielding and electrically connects to the control board. The battery provides the capacitive pointer with electrical power.

Abstract: An electromagnetic pressure-sensitive pointer is disclosed. The electromagnetic pointer comprises a pen core and an oscillating circuit. The pointer core has a pointer tip. The oscillating circuit comprises a plurality of conductive terminals and a conductor. A capacitance of the oscillating circuit is increased through the contact between the conductive terminals and the conductor as a force is applied upon the pointer tip. When pointer's tip is been pressed, the pointer's frequency will have an obvious transition while its pressure-sensitivity is maintained.

Abstract: An induction coil of a touch input device provided in the present invention includes a ribbon cable and a coupling device. The ribbon cable is disposed on a plane, and the ribbon cable has a first terminal and a second terminal and has a plurality of wires. The ribbon cable defines a sensing region on the plane by a plurality of bends. The coupling device is utilized to couple the wires at the first terminal and the second terminal such that the wires form a circuit with a plurality of turns wound by a single conducting wire. A touch input device is further provided in the present invention.

Abstract: A circuit of frequency counter is adapted for an electromagnetic board with an electromagnetic pen. The counter exemplarily includes a source count module, a motion count module, a logic module, a switching gate module, a signal-capturing module, a frequency-counting module and a control module. The source count module counts number of clock pulses of a first clock signal. A receiver mode is switched by the switching gate module when the number reaches a first predetermined value. The motion count module counts number of clock pulses of a second clock signal. A transmitter mode is made by the switching gate module when the number reaches a second predetermined value. When a cumulative number of circular number counted by the frequency-counting module reaches a third predetermined value, the frequency-counting module completes counting a first high-frequency clock signals, and the control module obtains an operating frequency for the electromagnetic pen.

Abstract: A stylus provided in the present invention is utilized to input accompanying with a capacitive touch panel. The stylus includes a housing, a magnetic core and a pen tip. The magnetic core is disposed inside the housing. The magnetic core has an axial through hole which defines a bore diameter. The pen tip is disposed at an end of the housing, and the pen tip is made of conductor. The pen tip has a rod portion and a contacting portion. The rod portion is inserted into the axial through hole, and the contacting portion protrudes from the pen shell. The contacting portion has a cylindrical surface and a part spherical surface. The cylindrical surface defines a first diameter; the part spherical surface defines a second diameter. The first diameter is less than the second diameter, and the first diameter is greater than or equal to the bore diameter.

Abstract: An electromagnetic pen with electromagnetic and ink writing functions is disclosed. The electromagnetic pen includes at least one pen tube assembly, a core mechanism, a pen tip, a ferrite core, a core holder, an elastic conductor and a circuit board. The pen tip and the core are configured in the pen tube assembly and are controlled by the core mechanism.

Abstract: An electromagnetic handwriting pen includes a casing unit, an ink writing unit and an electromagnetic writing unit. The ink writing unit is disposed inside the casing unit and includes an ink pen core having a pen nib. The electromagnetic writing unit is disposed inside the casing unit and includes a circuit substrate far away from the pen nib, an electricity conducting element adjacent to the circuit substrate, an elastic element insulatively disposed between the circuit substrate and the electricity conducting element, and a magnetic structure adjacent to the pen nib and electrically connected to the circuit substrate. The circuit substrate has at least two electrode portions adjacent to and facing the electricity conducting element. Whereby, when the electricity conducting element is moved to concurrently contact the at least two electrode portions, the at least two electrode portions are electrically connected with each other through the electricity conducting element.

Abstract: An electromagnetic handwriting pen includes a casing unit, an ink writing unit and an electromagnetic writing unit. The ink writing unit is disposed inside the casing unit and includes an ink pen core having a pen nib. The electromagnetic writing unit is disposed inside the casing unit and includes a circuit substrate far away from the pen nib, an electricity conducting element adjacent to the circuit substrate, an elastic element insulatively disposed between the circuit substrate and the electricity conducting element, and a magnetic structure adjacent to the pen nib and electrically connected to the circuit substrate. The circuit substrate has at least two electrode portions adjacent to and facing the electricity conducting element. Whereby, when the electricity conducting element is moved to concurrently contact the at least two electrode portions, the at least two electrode portions are electrically connected with each other through the electricity conducting element.

Abstract: An induction coil of a touch input device provided in the present invention includes a ribbon cable and a coupling device. The ribbon cable is disposed on a plane, and the ribbon cable has a first terminal and a second terminal and has a plurality of wires. The ribbon cable defines a sensing region on the plane by a plurality of bends. The coupling device is utilized to couple the wires at the first terminal and the second terminal such that the wires form a circuit with a plurality of turns wound by a single conducting wire. A touch input device is further provided in the present invention.

Abstract: A stylus provided in the present invention is utilized to input accompanying with a capacitive touch panel. The stylus includes a housing, a magnetic core and a pen tip. The magnetic core is disposed inside the housing. The magnetic core has an axial through hole which defines a bore diameter. The pen tip is disposed at an end of the housing, and the pen tip is made of conductor. The pen tip has a rod portion and a contacting portion. The rod portion is inserted into the axial through hole, and the contacting portion protrudes from the pen shell. The contacting portion has a cylindrical surface and a part spherical surface. The cylindrical surface defines a first diameter; the part spherical surface defines a second diameter. The first diameter is less than the second diameter, and the first diameter is greater than or equal to the bore diameter.

Abstract: A control method for a touch panel is disclosed. First of all, a step of detecting an electromagnetic and capacitive pen is performed. Next a step of detecting a conductive indicator is undertaken, followed by a step of detecting a signal value of the conductive indicator being performed. A step of determining whether the signal value is over a threshold value is then performed to determine whether a first or a second touch control modes. The touch panel has electromagnetic sensitive and capacitive touch control functions.

Abstract: A method for compensating electromagnetic inductive pressure level of an electromagnetic pen is disclosed. First of all, an electromagnetic pen is provided on a touch panel, wherein the touch panel has a sensor layer and at least one sensor coil on a transparent substrate, the sensor coil is located on the peripheral region of the transparent substrate and around the sensor layer. Then a signal amplitude of the electromagnetic pen is calculated and a pressure level value is calculated via a frequency of the electromagnetic pen. Next distances between the sensor coil and the electromagnetic pen are calculated to obtain the location of the electromagnetic pen. Then a pressure level compensation value is obtained from a pressure level compensation value table. Finally, a compensated pressure level value is obtained by adding the pressure level value and the pressure level compensation value.

Abstract: A method for compensating electromagnetic inductive pressure level of an electromagnetic pen is disclosed. First of all, an electromagnetic pen is provided on a touch panel, wherein the touch panel has a sensor layer and at least one sensor coil on a transparent substrate, the sensor coil is located on the peripheral region of the transparent substrate and around the sensor layer. Then the coordinates of the electromagnetic pen are calculated via the sensor layer and a pressure level value is calculated via a frequency of the electromagnetic pen. Next a pressure level compensation value is obtained from a pressure level compensation value table. Finally, a compensated pressure level value is obtained by adding the pressure level value and the pressure level compensation value.