Tatung Company

Shih-Hua Tseng

Ray-Din Lee

Wen-Chang Yang

Che-Hsuan Liu

Kuen-Long Lee

A method for fully-automatically aligning the quality of an image is provided. The method processes the video signals provided by the Video Graphic Array (VGA) display card in the computer system through the multi-sync display itself, and further interprets whether a computer host ID stored in the VGA display card or the computer host matches with a computer host ID stored in the multi-sync display, so as to avoid repetitious aligning to the same computer system, and achieve full automatic aligning to the quality of the image displayed on the multi-sync display. Therefore, even if the multi-sync display is situated under different computer hosts or VGA display cards and placed where an user cannot touch, the inconvenience of pressing a button on the multi-sync display to align the quality of the image displayed on the multi-sync display in conventional techniques can be prevented.

Method for fully automatically aligning quality of image

A pop sound prevention module and a speaker apparatus thereof are provided. The pop sound prevention module is used for preventing the speaker apparatus generating a pop sound when a power shuts down. The speaker apparatus includes an audio amplifier, an audio processor, the pop sound prevention module, and a loudspeaker. The audio processor is coupled to a first operation voltage. The audio amplifier is coupled to a second operation voltage. When the power shuts down, the pop sound prevention module outputs a mute control signal to the audio amplifier according to voltage difference between the first operation voltage and the second operation voltage. According to the mute control signal, the audio amplifier prevents the loudspeaker from generating a pop sound.

Pop sound prevention module and speaker apparatus thereof

A method of integrating barcode information and EDID firstly inputs barcode information and temporarily stores the information in a first storage device; reads a pre-stored barcode rule and a pre-stored check code from a second storage device, wherein the barcode rule is defined with relevant data of plural codes included in the barcode information; then, respectively stores the plural codes included in the barcode information into corresponding storage spaces of the first storage device according to the barcode rule; next, determines whether a specific code of the barcode information matches with the check code; if the specific code of the barcode information matches with the check code, reads a pre-stored EDID from an EDID burning device, and integrates the EDID with the plural codes of the barcode information so as to generate a new EDID; finally, performs a burning operation to a display device based on the new EDID.

Method of integrating barcode information and extended display identification data

In a television having a memory storing a plurality of central frequencies of channels, a method for scanning a single video carrier channel includes: (A) entering a channel; (B) providing a frequency correction, which is set to zero in initialization; (C) reading a central frequency of the channel from the memory as a target frequency of the channel; (D) determining if a TV channel exists at the target frequency; recording the target frequency as a frequency of the channel when the TV channel exists, and otherwise executing step (E); (E) adding a predetermined frequency difference to the frequency correction to thereby obtain an updated frequency correction; (F) setting the target frequency to a value of the central frequency plus or minus the updated frequency correction when the updated frequency correction is not greater than a predetermined frequency bound, and executing step (D).

Method and system for scanning video carrier channels of a television

A circuit for eliminating abnormal sound includes a video/audio processor, a D/A converter, a front-stage mute circuit, a changing delay device, a front-stage amplifier, a back-stage amplifier, a back-stage mute circuit, and a micro control unit. The circuit is mounted in a display device connected to a DVD player. When DVD player plays the video/audio signal having HDMI standard, the display device will generate an abnormal sound (pop voice or declining voice) during performing an operation such as pause, stop or play. Therefore, this circuit uses the changing delay device, the micro control unit, and the mute circuit to filter out the noise for providing a better outputting quality.

Circuit for eliminating abnormal sound

A control method for integrating a display device with a digital television (DTV) module, which includes the steps: (A) using the display device to execute a system program; (B) determining whether the display device is in a digital television mode; (C) further determining whether the display device receives an instruction when step (B) decides that the display device is in the digital television mode; (D) further determining whether the instruction received is for the digital television module when step (C) decides that the display device receives the instruction; and (E) using the display device to send the instruction to the digital television module through a serial bus and to receive and process a response of the digital television module when step (D) decides that the instruction is for the digital television module.

Control method for integrating a display device with a digital television module

A display monitor for a common display data channel uses a DDC access switch to separate the common display data channel, so that regardless of whether the display monitor is powered on or off, a personal computer can access the Extended Display Identification Data (EDID) in the EEPROM, and the low-level voltage of an MCU in the display monitor won't interfere in the access between the personal computer and the EEPROM. When the power of the display monitor is turned on, the DDC access switch closes so that the MCU can access the EDID in the EEPROM.

Display monitor with a common display data channel

An LCD TV capable of being used as a music station only, which can turn off the internal video decoder and the internal backlight power when the LCD TV only desires to output an audio. The LCD TV panel has a backlight control terminal with a first state and a second state to turn on/off the internal backlight power based on the first or second state. A video decoder has a working mode and a standby mode. When an instruction received by a command input device is a panel backlight power turning-off instruction, a controller produces a control signal to set the backlight control terminal to the second state to thereby drive the LCD TV panel to turn off the backlight power thereon and set the video decoder to the standby mode.

LCD TV capable of being used as a music station only

The present invention relates to a method applied on displays for recognizing video signal timing of analog input. The present invention employs the horizontal-synchronized-signal interrupt value to distinguish among its inputted video signal timing, allowing to recognize its pixel and correctly display its corresponding video signal timing even when the inputted signal timings share the same horizontal frequency, vertical frequency, and polarity. In case when the display is displaying incorrect video signal timing, the present invention also allows inputting a switch signal to adjust its display mode accordingly, enabling the display to show the correct resolution of the video signal timing under normal operation.

Method for recognizing video signal timing of analog input

The invention discloses a control circuit and method thereof, which enable a display device to have low power consumption. The display device is able to switch between a normal mode and a standby mode, and reduce the power consumption of the display device under the standby mode. A synchro signal detection circuit, an infrared receiver, and a power switch are used to determine when to output a triggering signal. If an MCU inputs a triggering signal, a switch circuit will provide electricity for a peripheral circuit, then the display device switches to the normal mode; otherwise, the switch circuit will stop providing electricity for the peripheral circuit, and the display device switches to the standby mode.

Control circuit and method thereof for reducing power consumption of a display device

A method for automatically adjusting pictures on a display device, by which a plurality of reference points and the corresponding slope values are stored in a memory of the display device. The reference points and the corresponding slope values, as well as the synchronous frequency and the image timing, set by a user are used by a microprocessor within the display to determine whether to adjust the picture frame and the display position of the pictures, so as to fit the preset display values by the user.

Method for automatically adjusting picture frames on a display device

A method of color-real adjustment and system for adjusting a display device is disclosed, the system includes a server for outputting an image triggering signal and inputting an image extraction signal, performing a color-real process on the image extraction signal to obtain color data, transforming the color data into a color-real parameter and outputting the color-real parameter; an pattern generator for outputting an image pattern according to the image triggering signal; the display device for displaying an image corresponding according to the image pattern; an digital camera for detecting colors of the displayed image to output the image extraction signal; and a burner for storing the color-real parameter into a memory of the display device, wherein the color-real parameter matches a format of extended display identification data.

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Taipei, Taiwan

Shih-Hua Tseng