Abstract: A portable charging device is provided. The portable charging device includes a stylus module and a charging module. The stylus module includes a stylus body unit and a power supply unit. The power supply unit is arranged in the stylus body unit. The charging module includes a casing unit, a control unit, and a power storage unit. The casing unit includes an opening, a first accommodating space, and a second accommodating space. The opening is communicated with the first accommodating space, and the first accommodating space is adjacent to the second accommodating space. The control unit is arranged in the second accommodating space. The power storage unit is arranged in the second accommodating space and electrically connected to the control unit. The stylus body unit is detachably arranged in the first accommodating space, and the power supply unit is electrically connected to the control unit.

Abstract: A stylus structure includes a main body module, a control module, a modulation module, and a cover module. The main body module includes a stylus case unit and a movable unit. The control module includes a process unit and a transmission unit. The modulation module includes multiple sensing units. The cover module includes a stylus cover unit and multiple button units. When an outer opening of the movable unit corresponds to an inner opening of the stylus case unit and the transmission unit electrically connects an external power supply terminal, the transmission unit transmits power from the external power supply terminal to the process unit. When the sensing unit is pressed against a corresponding button unit, a sensing signal is generated by the sensing unit and transmitted to the process unit. The process unit according to the sensing signal sends a color signal to an external electronic device.

Abstract: A stylus structure includes a main body module, a control module, a modulation module, and a cover module. The main body module includes a stylus case unit and a movable unit. The control module includes a process unit and a transmission unit. The modulation module includes multiple sensing units. The cover module includes a stylus cover unit and multiple button units. When an outer opening of the movable unit corresponds to an inner opening of the stylus case unit and the transmission unit electrically connects an external power supply terminal, the transmission unit transmits power from the external power supply terminal to the process unit. When the sensing unit is pressed against a corresponding button unit, a sensing signal is generated by the sensing unit and transmitted to the process unit. The process unit according to the sensing signal sends a color signal to an external electronic device.

Abstract: A pressure sensing mouse including a pressure plate, a main body, a chassis, a main circuit board, and a pressure sensing component disposed on the main circuit board is provided. A central portion of an inner side of the pressure plate extends downwardly to provide a pressure spring element that is in direct contact with the pressure sensing component throughout the main body. The pressure sensing mouse is used in a software game for a tapping force type. When the user taps the pressure sensing mouse with the palm of a hand, an object in a corresponding software game will correspondingly generate a pressed game display result in the screen, therefore, better gaming experiences can be provided for users.

Abstract: This invention discloses a capacitive stylus including a pen housing and an eraser for being applied to a touch device. The pen housing includes a tip for emitting an input signal, and the eraser can emit an erasing signal to the touch device. The intensity or erasing range of the erasing signal is determined by the pressure that the eraser exerted on the touch device. In addition, the eraser can trigger a signal to instruct the touch device performing an application.

Abstract: This invention discloses a capacitive stylus including a pen housing and a detachable eraser. The pen housing comprises a rear end section and a thinning section with a thinner wall thickness than that of the rear end section. A compressible latch is disposed at the outer surface of the eraser. The rear end section includes an axial groove. By pushing the latch to pass through the axial groove into the thinning section and rotating the latch within the thinning section, the pen housing is combined with the eraser.

Abstract: This invention discloses a capacitive stylus including a pen housing and a detachable eraser. The pen housing comprises a rear end section and a thinning section with a thinner wall thickness than that of the rear end section. A compressible latch is disposed at the outer surface of the eraser. The rear end section includes an axial groove. By pushing the latch to pass through the axial groove into the thinning section and rotating the latch within the thinning section, the pen housing is combined with the eraser.

Abstract: This invention discloses a capacitive stylus including a pen housing and an eraser for being applied to a touch device. The pen housing includes a tip for emitting an input signal, and the eraser can emit an erasing signal to the touch device. The intensity or erasing range of the erasing signal is determined by the pressure that the eraser exerted on the touch device. In addition, the eraser can trigger a signal to instruct the touch device performing an application.

Abstract: A capacitive stylus and a touch control apparatus applying synchronized time difference signal transmitting method are disclosed. The capacitive styluses transmit data to a touch control apparatus via wireless communication modules respectively. A non-transitory computer-readable medium of the touch control apparatus storing instructions executable to perform a synchronized time difference signal transmitting method to synchronize time difference of the signal transmitting of the capacitive styluses.

Abstract: A synchronized time difference signal transmitting method and capacitive styluses as well as a touch input apparatus applying this method are disclosed. The touch input apparatus uses a time difference synchronization module and the capacitive styluses use synchronization interfaces to synchronize time difference of the signal transmitting of the capacitive styluses.

Abstract: A capacitive stylus with two transmit electrodes is disclosed. The two transmit electrodes are isolated and shielded so that the transmit terminals of the transmit electrodes are spaced with a distance.

Abstract: A capacitive stylus signal transmitting and application method and a capacitive stylus applying this method are disclosed. The capacitive stylus and the method use electric field signals from three different transmit electrodes to calculate the incline angle and the tip pressure level of the capacitive stylus.

Abstract: This instant disclosure is related to a capacitive stylus and a tilt angle detecting method thereof. The capacitive stylus is acting on a touch pad. The capacitive stylus includes a sensing electrode unit and a driving electrode unit, or the capacitive stylus is provided with a first sensing electrode unit and a second sensing electrode unit. The capacitive stylus further includes a tilt angle corresponding table and a direction corresponding table to determine the tilt angle and tilt direction of the capacitive stylus on the touch pad.

Abstract: This instant disclosure is related to a capacitive stylus and a tilt angle detecting method thereof. The capacitive stylus is acting on a touch pad. The capacitive stylus includes a sensing electrode unit and a driving electrode unit, or the capacitive stylus is provided with a first sensing electrode unit and a second sensing electrode unit. The capacitive stylus further includes a tilt angle corresponding table and a direction corresponding table to determine the tilt angle and tilt direction of the capacitive stylus on the touch pad.

Abstract: A capacitive stylus with two transmit electrodes is disclosed. The two transmit electrodes are isolated and shielded so that the transmit terminals of the transmit electrodes are spaced with a distance.

Abstract: A capacitive stylus and a touch control apparatus applying synchronized time difference signal transmitting method are disclosed. The capacitive styluses transmit data to a touch control apparatus via wireless communication modules respectively. A non-transitory computer-readable medium of the touch control apparatus storing instructions executable to perform a synchronized time difference signal transmitting method to synchronize time difference of the signal transmitting of the capacitive styluses.

Abstract: A synchronized time difference signal transmitting method and capacitive styluses as well as a touch input apparatus applying this method are disclosed. The touch input apparatus uses a time difference synchronization module and the capacitive styluses use synchronization interfaces to synchronize time difference of the signal transmitting of the capacitive styluses.

Abstract: A capacitive stylus signal transmitting and application method and a capacitive stylus applying this method are disclosed. The capacitive stylus and the method use electric field signals from three different transmit electrodes to calculate the incline angle and the tip pressure level of the capacitive stylus.

Abstract: A coil detection circuit thereof for an electromagnetic input device including a plurality of first loop coils and second loop coils includes a first detection unit, a second detection unit and a selection unit. When the selection unit selects one the first loop coils to emit an electromagnetic signal for each one of the second loop coils, each one of the second loop coils forms a second closed loop for receiving the electromagnetic signal, and the second detection unit detects a second signal. When one of the second loop coils forms an open circuit or short circuit, the second detection unit detects an open-circuit signal or a short-circuit signal.

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.