Patent application number | Description | Published |
20090109192 | Touch Display Device and Method of Determining Touch Mode Thereof - The present invention relates to a touch display device and a method of determining touch mode thereof. The touch display device comprises a control module, a resistance touch panel, and a measuring element. The resistance touch panel comprises a first conductive layer and a second conductive layer. The method comprises: pressing the first conductive layer to contact the second conductive layer; measuring the voltage of the second conductive layer to obtain a first voltage value and a second voltage value; activating a touch pen operation mode if a difference between the first voltage value and the second voltage value is smaller than a predicted error value; and activating a finger operation mode if the difference between the first voltage value and the second voltage value is larger than the predicted error value. | 04-30-2009 |
20090120695 | Touch Device and Method of Determining Touch Mode Thereof - A touch device and a method of determining touch mode thereof are disclosed. The touch device comprises a control module, a resistive touch panel, and a measuring unit. The resistive touch panel comprises a first conductive layer and a second conductive layer, wherein the first conductive layer couples with a resistor. The method comprises the steps of: when the first conductive layer contacts the second conductive layer, measuring a voltage across the resistor to obtain a measured voltage; activating a touch pen operation mode if the measured voltage is smaller than a default value; and activating a finger operation mode if the measured voltage is larger than the default value. | 05-14-2009 |
20090128514 | Touch Display Device and A Method of Determining A Plurality of Touch Points Thereof - A touch display device and a method of determining a plurality of touching points thereof are disclosed. The touch display device has a control module, and a resistive touch panel with a first electrical conductive layer and a second electrical conductive layer. The first electrical conductive layer and the second electrical conductive layer have a first electrode, a second electrode, a third electrode, and a fourth electrode. The method has the steps of: when the first and the second electrical conductive layers have a plurality of touching points, selecting two electrodes in non-repeated combinations among the electrodes, applying a voltage value difference to the selected electrodes, and obtaining two voltage values from the non-selected electrode to obtain a plurality of voltage values; according to the plurality of voltages, calculating a plurality of equivalent resistive values of resistors; and obtaining the position of the plurality of touching points. | 05-21-2009 |
20100223439 | DATA PROTECTING METHOD AND MEMORY USING THEREOF - A data protecting method for a memory, which comprising a volatile memory and a non-volatile memory for storing data and data protection information, comprises the following steps. Firstly, load the data protection information to the volatile memory from the non-volatile memory. Next, protect the data stored in the memory according to the data protection information stored in the volatile memory. | 09-02-2010 |
20120194455 | TABLET ELECTRONIC DEVICE - A tablet electronic device configured to electrically connect to a portable electronic device is provided. The portable electronic device includes a first connecting interface and a processing module. The tablet electronic device includes a body and a touch panel. The body includes a second connecting interface connected to the first connecting interface. The touch panel is disposed in the body to generate a touch signal after a touch, and when the portable electronic device is connected to the tablet electronic device, the touch panel displays information of the portable electronic device. | 08-02-2012 |
20120243348 | Method and Apparatus of Changing Device Identification Codes of a Memory Integrated Circuit Device - In the disclosed technology, the device identification code of a memory integrated circuit is changeable. In some cases, multiple device identification codes are stored on the memory integrated circuit, and multiple device identification code selection data are stored on the memory integrated circuit. | 09-27-2012 |
20130214820 | APPARATUS AND METHOD TO TOLERATE FLOATING INPUT PIN FOR INPUT BUFFER - An integrated circuit device includes a pad adapted to receive a signal from an internal or external driver, and an input buffer circuit including an input terminal coupled to the pad. The input buffer circuit includes a pass transistor having a control terminal, a first conduction terminal connected to the pad, and a second conduction terminal connected to a first voltage. The input buffer circuit also includes a latch having a terminal electrically coupled to the control terminal of the pass transistor. The input buffer circuit further includes circuitry coupled to the latch, the circuitry including a feedback transistor having a control terminal electrically coupled to the pad, a first conduction terminal electrically coupled to a second voltage, and a second conduction terminal coupled to the latch. | 08-22-2013 |
20140160870 | METHOD AND APPARATUS OF CHANGING DEVICE IDENTIFICATION CODES OF A MEMORY INTEGRATED CIRCUIT DEVICE - In the disclosed technology, the device identification code of a memory integrated circuit is changeable. In some cases, multiple device identification codes are stored on the memory integrated circuit, and multiple device identification code selection data are stored on the memory integrated circuit. A device identification code register can store a selected device identification code. | 06-12-2014 |
20140379952 | TABLET ELECTRONIC DEVICE - A tablet electronic device configured to electrically connect to a portable electronic device is provided. The portable electronic device includes a first connecting interface and a processing module. The tablet electronic device includes a body and a touch panel. The body includes a second connecting interface connected to the first connecting interface. The touch panel is disposed in the body to generate a touch signal after a touch, and when the portable electronic device is connected to the tablet electronic device, the touch panel displays information of the portable electronic device. | 12-25-2014 |
Patent application number | Description | Published |
20090058313 | POWER SUPPLY FOR SUPPLYING POWER TO A LAMP - A power supply for supplying power to a lamp with functions of dimming, over-current protection, over-voltage protection, arcing protection, and low-temperature start-up is provided. When frequency of the output current exceeds a predetermined value, the power supply is turned off to accomplish a dimming goal and extend lifetime of the lamp. When abnormal statuses such as open-circuited status, short-circuited status, or arcing status occur, a surge current induced by the abnormal statuses may be eliminated to prevent the power supply from being damaged. A high-frequency current detection circuit is configured to detect whether a current supplied to the high-voltage load is a high-frequency current to prevent damage to the electronic elements in the high-voltage load. A current adjusting circuit is configured to adjust an alternating current outputted to a lamp set in response to an environment temperature to supply an adequate alternating current at a low temperature for starting the lamp set. | 03-05-2009 |
20100164393 | LIGHT SOURCE DRIVING CIRCUIT - A light source driving circuit includes a transformer, a switching circuit, a control circuit, a brightness adjusting circuit and an isolator circuit. The brightness adjusting circuit is connected to a secondary winding assembly of the transformer and the light-emitting element for detecting an output voltage and/or an output current and generating a control signal according to the brightness adjusting signal. The isolator circuit is used for isolating the primary winding assembly of the transformer from the brightness adjusting circuit. The isolator circuit generates a feedback current according to the control signal. According to the feedback current, the switching circuit is controlled by the control circuit. As a status of the brightness adjusting signal is changed, a status of the control signal is changed and a time period of changing the status of the control signal is longer than a time period of changing the status of the brightness adjusting signal. | 07-01-2010 |
Patent application number | Description | Published |
20090063918 | APPARATUS AND METHOD FOR DETECTING WORD LINE LEAKAGE IN MEMORY DEVICES - A method for detecting word line leakage in a memory device includes coupling a first plurality of word lines in the memory device to a voltage source while grounding a second plurality of word lines. Each of the second plurality of word lines is adjacent to a corresponding one of the first plurality of word lines. The method includes waiting for a period of time to allow the word lines to reach a predetermined read voltage level. The method also includes decoupling the first plurality of word lines from the voltage source and waiting for a second predetermined period of time to allow the first plurality of word lines to discharge. The method further includes sensing a current associated with the word lines, and comparing the current with a predetermined reference current which is selected for identifying a word line leakage condition associated with the first plurality of word lines. | 03-05-2009 |
20090308666 | ANTI-ABRASION DEVICE FOR STYLUS INTEGRATED WITH ANTENNA AND ELECTRONIC APPARATUS USING THE SAME - An anti-abrasion device for a stylus integrated with an antenna is applied to an electronic apparatus. The electronic apparatus includes a main body, the stylus, and a slot. The anti-abrasion device comprises an antenna-connecting unit, a switch unit and a blocking unit each of which is disposed in the main body, and the blocking unit is linked to the switch unit. When the stylus is inserted in the slot, the antenna-connecting unit touches the stylus; and when the switch unit is switched off, the blocking unit disconnects the stylus from the antenna-connecting unit. | 12-17-2009 |
20100013782 | TOUCH-SENSITIVE MOBILE COMPUTING DEVICE AND CONTROLLING METHOD APPLIED THERETO - A touch-sensitive mobile computing device includes a main body, a display screen and a touch-sensitive interface. The touch-sensitive interface is disposed on the main body and the display screen, and includes a first touch-sensitive zone and a second touch-sensitive zone. The first touch-sensitive zone is disposed on the main body and outside the display screen. The second touch-sensitive zone is directly disposed over the display screen. A controlling method of the touch-sensitive mobile computing device includes the following steps. Firstly, the operating frame of the operating system is shown on the display screen. Then, a touch-move motion of an object in a specified direction on the first touch-sensitive zone or between the first touch-sensitive zone and the second touch-sensitive zone is detected. Afterwards, the contents of the operating frame shown on the display screen are adjusted according to the touch-move motion. | 01-21-2010 |