Patent application number | Description | Published |
20100206644 | Electromagnetic Induction Handwriting System and Coordinate Determining Method Thereof - The present invention discloses an electromagnetic induction handwriting system and its single side coordinate determining method for determining a coordinate of a stylus on a handwriting apparatus. The coordinate is computed by a first voltage, a second voltage, and a third voltage, where the first voltage equals the maximum detection voltage, the second voltage and the third voltage are obtained from two antennas, and both of the two antennas are arranged at the same side of the antenna that induces the maximum detection voltage. | 08-19-2010 |
20100207893 | Tablet and Coordinate Computation Circuit Thereof - The present invention discloses a space-bound-free tablet and its coordinate determining circuit for determining a coordinate of a stylus pen. The coordinate is computed by the coordinate determining circuit in which first voltage, a second voltage, and a third voltage is obtained, where the first voltage equals the maximum detection voltage, the second voltage and third voltage are obtained from two antennas, and both of the two antennas are at the same side of the antenna that induces the maximum detection voltage. | 08-19-2010 |
20100295826 | Inputting Device for Handwriting System - An embodiment of the present invention provides a stylus as an inputting device of a handwriting system. The stylus comprises a jog ball, a signal emitting circuit for emitting electromagnetic waves, an resonant circuit for determining the frequencies of the emitting electromagnetic waves, and a button and ball circuit that comprises a pair of sensing units respectively arranged at up and down side of the jog ball for tracking the rolling of the jog ball. | 11-25-2010 |
20110157032 | Writing Apparatus with Electronic Soft Pen Brush - A writing apparatus with electronic soft brush pen is disclosed herein. The writing apparatus includes an electronic soft pen brush, an all point addressable (APA) touch panel, a scanning circuit and a controlling circuit. The electronic soft pen brush is configured to generate a plurality of touch points on the touch panel simultaneously. The scanning circuit is configured to detect the touch positions of the touch points simultaneously. The controlling circuit is configured to determine the touch region, the touch area and size and generate an output signal in accordance with the touch region, the touch area and the touch positions. | 06-30-2011 |
20110282624 | Method for Determining Incline Angle of Electromagnetic Pointer - A method for determining an incline angle of electromagnetic pointer is disclosed. The method comprises the following steps. First of all, an electromagnetic input pen/stylus is provided over antennas X | 11-17-2011 |
20110297457 | ELECTROMAGNETIC PEN WITH A MULTI-FUNCTIONS TAIL PART - The present invention relates to a multi-function electromagnetic pen, and particularly relates to an electromagnetic pen with a multi-function tail part. This electromagnetic comprises a body, a pen-tip part, and a multi-function electromagnetic ring. The pen-tip part is disposed on the front part of the electromagnetic pen and the multi-function electromagnetic ring is disposed on the tail part (or rear end part) of the electromagnetic pen. The multi-function electromagnetic ring can emit different electromagnetic signals with different frequencies. These electromagnetic signals with different frequencies are defined by a tablet to represent different functions (or modes), for example erasing function (or mode), magnifying function (or mode), and palette knife function (or mode). A user can control and change the frequency of the electromagnetic signal emitted form the multi-function electromagnetic ring by pressing the switch on the body of the electromagnetic pen. By this way, the function of the multi-function electromagnetic ring can be controlled and changed. Therefore, it has no need to perform or start the function (or mode) of the tail part of the electromagnetic pen (or the multi-function electromagnetic ring) by the contact between the back part the electromagnetic pen (or the multi-function electromagnetic ring) and the tablet. Accordingly, the tail part the electromagnetic pen (or the multi-function electromagnetic ring) can work above the tablet without contact with the tablet, and it can prevent the tail part the electromagnetic pen from the damage caused by the contact. | 12-08-2011 |
20110297458 | ELECTROMAGNETIC PEN WITHOUT A BATTERY - The present invention relates to a new electromagnetic pen without a battery, and particularly relates to a new electromagnetic pen without a battery, which has two coils inside. An oscillator circuit and a resonance circuit are formed in the new electromagnetic pen respectively by the two coils. The oscillator circuit is formed for emitting electromagnetic signals to a tablet, and the resonance circuit is formed for receiving the electromagnetic energy emitted from the tablet. Therefore, unlike the conventional electromagnetic pen without a battery, which only receive the electromagnetic energy and emit the electromagnetic signals in a short period, the new electromagnetic pen of this invention can receive the electromagnetic energy emitted from the tablet continuously, so the oscillator circuit can emit the electromagnetic signals to the tablet continuously. | 12-08-2011 |
20110308867 | HANDWRITING INPUT DEVICE WITH ELECTROMAGNETIC POWER TRANSMITTING - A handwriting input device with electromagnetic power transmitting is disclosed herein and includes a micro-controller, a power transferring coil, an electromagnetic pen and a filter. The micro-controller is configured to control for the first signal producing and the power transferring coil is configured to transfer the electromagnetic power of the first signal. The electromagnetic pen is configured to receive the electromagnetic power of the first signal and transform the electromagnetic power to be the second signal to transmit. The antenna loops are configured to receive the second signal and the filter is configured to filter the noise of the second signal. | 12-22-2011 |