Patents by Inventor Wen-Kuan Chen

Wen-Kuan Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20060218323
    Abstract: An optical storage system for coupling to at least a plurality of peripheral devices. The optical storage system includes a data read subsystem to read out data stored in an optical storage medium, a data process subsystem to generate address information and data information according to the read out data, and an interface controller to generate output data according to the address information and the data information and to transfer the output data to one of the peripheral devices. A number of bits of the output data being transferred in parallel is configurable according to a parallel bit number. The data information and the address information are transferred via the same pins.
    Type: Application
    Filed: March 24, 2005
    Publication date: September 28, 2006
    Inventors: Wen-Kuan Chen, Yu-Chu Lee
  • Patent number: 7111988
    Abstract: A dustproof structure for a sleeve bearing includes an axial tube, a sleeve bearing and a dustproof cushion. The axial tube accommodates the sleeve bearing which bears an axial hole through which a shaft of a motor rotor is freely extended. The dustproof cushion is attached to an end surface of the sleeve bearing to prevent from entering foreign dust. At least one oil-returning groove is formed between the sleeve bearing and the dustproof cushion to ensure cycling lubricant so that sufficient lubricity between the sleeve bearing and the shaft is ensured.
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: September 26, 2006
    Assignee: Sunonwealth Electric Machine Industry Co., Ltd.
    Inventor: Wen-Kuan Chen
  • Publication number: 20060186939
    Abstract: A method for adjusting a clock and an electronic device with clock adjusting function are provided. In the method of adjusting the clock, the electronics device is driven with a first clock when the electronic device is during the reset-inactive state. Then, the electronic device is driven with a second clock when the electronic device receives a reset signal. Wherein, the cycle of the second clock is larger than that of the first clock.
    Type: Application
    Filed: July 14, 2005
    Publication date: August 24, 2006
    Inventor: Wen-Kuan Chen
  • Patent number: 7077572
    Abstract: A lubricating oil guiding system for a motor includes an axial tube, a first bearing mounted in the axial tube, a second bearing mounted in the axial tube, at least one separating plate securely mounted to the inner periphery of the axial tube, and at least one auxiliary oil chamber defined between the first bearing, the separating plate, and the shaft for distributing lubricating oil to the first bearing and for storing, buffering, and guiding the lubricating oil. A shaft of a rotor extends through the first bearing, the second bearing, and the separating plate. The first bearing defines an oil circulating loop and the second bearing defines an oil circulating loop. The separating plate is located between the first bearing and the second bearing to avoid mutual interference between the oil circulating loop of the first bearing and the oil circulating loop of the second bearing.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: July 18, 2006
    Assignee: Sunonwealth Electric Machine Industry Co., Ltd.
    Inventors: Alex Horng, Yin-Rong Hong, Wen-Kuan Chen
  • Patent number: 7068847
    Abstract: A high-resolution still picture decoding device is disclosed, which has a memory device, an image decoder, and a decoding controller. The memory device has a bit-stream buffer, a frame buffer and a temporary buffer. The image decoder and decoding controller decode the bit-stream data in the bit-stream buffer and store the decoded data in the frame buffer or temporary buffer. When a still picture is to be displayed, the frame buffer stores part of the frame data corresponding to the still picture and the temporary buffer is provided to store the other frame data which is decoded in real time as the still picture is displayed. The data in the frame buffer and temporary buffer is output for displaying a high-resolution still picture.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: June 27, 2006
    Assignee: Sunplus Technology Co., Ltd.
    Inventor: Wen-Kuan Chen
  • Publication number: 20060039682
    Abstract: A DVD player with language learning function using a general DVD as an audio source of language learning. The DVD player includes a DVD play unit for playing the audio and video of the DVD and outputting a subtitle picture and display information for the subtitle picture according to a play control signal, a text identifying unit for receiving the subtitle picture and converting the subtitle picture into text data, a text-to-speech unit for receiving the text data and converting the text data into synthesized voice signal, and a control module for receiving the display information of the subtitle picture and generating the play control signal according to the display information and a learning mode selected by the user. Thus, the DVD player of the invention does not need specific audio source media.
    Type: Application
    Filed: July 13, 2005
    Publication date: February 23, 2006
    Inventors: Wen-Kuan Chen, Yu-Chi Chen, Chien-Min Chen
  • Publication number: 20060008260
    Abstract: A disk player including a control module, a navigator, a de-multiplexer, a decoder, a text recognition module and a data comparing module is provided. The navigator reads an audio and video (AV) data according to a display control signal outputted by the control module. An audio decoding signal, a video decoding signal, a caption image and a display time information corresponding to the caption image are decoded by the decoder according to an audio data, a video data, and a sub-picture unit (SPU), respectively, divided from the AV data by the de-multiplexer. The text recognition module recognizes the caption image as a first text data. The data comparing module receives a second text data provided by a user or from a database and compares the first text data with the second text data to export an analysis result or another display time information corresponding to the second text data.
    Type: Application
    Filed: September 14, 2005
    Publication date: January 12, 2006
    Inventors: Yu-Chi Chen, Wen-Kuan Chen, Chien-Min Chen
  • Publication number: 20050276528
    Abstract: A lubricating oil guiding system for a motor includes an axial tube, a first bearing mounted in the axial tube, a second bearing mounted in the axial tube, at least one separating plate securely mounted to the inner periphery of the axial tube, and at least one auxiliary oil chamber defined between the first bearing, the separating plate, and the shaft for distributing lubricating oil to the first bearing and for storing, buffering, and guiding the lubricating oil. A shaft of a rotor extends through the first bearing, the second bearing, and the separating plate. The first bearing defines an oil circulating loop and the second bearing defines an oil circulating loop. The separating plate is located between the first bearing and the second bearing to avoid mutual interference between the oil circulating loop of the first bearing and the oil circulating loop of the second bearing.
    Type: Application
    Filed: June 9, 2004
    Publication date: December 15, 2005
    Applicant: Sunonwealth Electric Machine Industry Co., Ltd.
    Inventors: Alex Horng, Yin-Rong Hong, Wen-Kuan Chen
  • Publication number: 20050265828
    Abstract: A housing for an axial flow heat-dissipating fan includes an annular wall including an air inlet in a first end thereof and an air outlet in a second end thereof. A motor of an axial flow heat-dissipating fan is received in the annular wall. A plurality of axially extending slits are defined in a circumference of the annular wall. Each axially extending slit has a first end adjacent to the air outlet and a second end adjacent to the air inlet. A width of the first end of each axially extending slit is smaller than that of the second end of each axially extending slit.
    Type: Application
    Filed: July 7, 2004
    Publication date: December 1, 2005
    Applicant: Sunonwealth Electric Machine Industry Co., Ltd.
    Inventors: Alex Horng, Wen-Kuan Chen, Mei-Chih Fang
  • Patent number: 6953284
    Abstract: A dustproof structure for a sleeve bearing includes an axial tube, a sleeve bearing, a dustproof cushion and a motor rotor. The motor rotor has a shaft seat and a shaft mounted thereto. The axial tube accommodates the sleeve bearing which bears an axial hole through which the shaft of the motor rotor is freely extended. The dustproof cushion is mounted in the axial tube and attached to an end surface of the sleeve bearing to prevent from entering foreign dust. An axial thickness of the dustproof cushion is used to compensate a clearance formed between the sleeve bearing and the shaft seat, and a diameter of the dustproof cushion is smaller than an outer diameter of the shaft seat to prevent from precipitation of dust on the sleeve bearing.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: October 11, 2005
    Assignee: Sunonwealth Electric Machine Industry Co., Ltd.
    Inventor: Wen-Kuan Chen
  • Publication number: 20050201730
    Abstract: A digital versatile disc (DVD) playback device capable of recognizing characters comprises a character recognition unit to converse subtitle pictures recorded in a DVD into character codes. Therefore, the DVD playback device may provide useful information by analyzing the conversed character codes by means of a post process unit thereof for a use in other applications.
    Type: Application
    Filed: February 22, 2005
    Publication date: September 15, 2005
    Inventors: Yu-Chi Chen, Wen-Kuan Chen, Ying-Chih Yang
  • Publication number: 20050152680
    Abstract: A system for playing video data and audio data and displaying subtitles includes a subtitle analyzer for analyzing the subtitles and providing subtitle display time, a controller for providing playback control signals based on the subtitle display time from the subtitle analyzer, a video decoder decoding the video data, an audio decoder decoding the audio data, a player for playing the decoded video data and the decoded audio data according to the playback control signals. A method for playing video data and audio data and displaying subtitles includes analyzing the subtitles and providing subtitle display time, providing playback control signals based on the subtitle display time, decoding the video data and the audio data, and playing the decoded video data and the decoded audio data according to the playback control signals.
    Type: Application
    Filed: July 2, 2004
    Publication date: July 14, 2005
    Inventors: Yu-Chi Chen, Wen-Kuan Chen, Ying-Chih Yang
  • Publication number: 20050135715
    Abstract: A dustproof structure for a sleeve bearing includes an axial tube, a sleeve bearing, a dustproof cushion and a motor rotor. The motor rotor has a shaft seat and a shaft mounted thereto. The axial tube accommodates the sleeve bearing which bears an axial hole through which the shaft of the motor rotor is freely extended. The dustproof cushion is mounted in the axial tube and attached to an end surface of the sleeve bearing to prevent from entering foreign dust. An axial thickness of the dustproof cushion is used to compensate a clearance formed between the sleeve bearing and the shaft seat, and a diameter of the dustproof cushion is smaller than an outer diameter of the shaft seat to prevent from precipitation of dust on the sleeve bearing.
    Type: Application
    Filed: December 19, 2003
    Publication date: June 23, 2005
    Applicant: Sunonwealth Electric Machine Industry Co., Ltd.
    Inventor: Wen-Kuan Chen
  • Publication number: 20050123224
    Abstract: A dustproof structure for a sleeve bearing includes an axial tube, a sleeve bearing and a dustproof cushion. The axial tube accommodates the sleeve bearing which bears an axial hole through which a shaft of a motor rotor is freely extended. The dustproof cushion is attached to an end surface of the sleeve bearing to prevent from entering foreign dust. At least one oil-returning groove is formed between the sleeve bearing and the dustproof cushion to ensure cycling lubricant so that sufficient lubricity between the sleeve bearing and the shaft is ensured.
    Type: Application
    Filed: December 9, 2003
    Publication date: June 9, 2005
    Applicant: Sunonwealth Electric Machine Industry Co., Ltd.
    Inventor: Wen-Kuan Chen
  • Publication number: 20050100227
    Abstract: A method for reducing data amount in an image memory system is disclosed. First, it omits one image column from every N image column in left and right portions of the input image, respectively, based on a predetermined percentage, thereby obtaining an image having a reduced data amount. Next, the image having the reduced data amount is sent to an image encoder to encode and accordingly store an encoded image. Then, the encoded image is transmitted to an image decoder through a transmission channel. Then, the encoded image is decoded by the image decoder as received, thereby obtaining a decoding image. Finally, a pixel insertion is performed on reduced image columns of the decoded image.
    Type: Application
    Filed: August 3, 2004
    Publication date: May 12, 2005
    Applicant: Sunplus Technology CO., Ltd.
    Inventor: Wen-Kuan Chen
  • Publication number: 20050094880
    Abstract: A system and method for reducing discontinuity of gray level in an image buffer memory is provided, which reduces N bits to (N?k) bits for each pixel on an input image, so as to save required memory and reduce discontinuity of gray level. The input image includes a plurality of pixels in a matrix. The method includes the steps of: selecting a plurality of interleaved pixels from the input image; adding a specific value of 2k?1 in the pixels selected; and deleting lower k bits for each pixel of the input image.
    Type: Application
    Filed: August 3, 2004
    Publication date: May 5, 2005
    Applicant: Sunplus Technology Co., Ltd.
    Inventor: Wen-Kuan Chen
  • Patent number: 6751257
    Abstract: A video decompressing system with high-efficiency memory access capability has a memory device for storing reference frames which are read out for performing motion compensation in decompressing process. The reference frame has its pixels arranged as a plurality of horizontal lines for being stored in the memory device. If the pixels of one horizontal line can not be integrally stored in one row of the memory device, the horizontal line is broken into at least two lines for being stored in the rows of the memory device. At the end portion of the row where the horizontal line is broken, a tail section is allocated for duplicating and storing pixels that are the same as those of a macroblock at a starting position of the next row, so as to avoid the page break problem.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: June 15, 2004
    Assignee: Sunplus Technology Co., Ltd.
    Inventors: Wen-Kuan Chen, Wei-Shiou Wu, Ying-Chih Yang
  • Patent number: 6704020
    Abstract: An architecture for video decompressor to efficiently access synchronously memory includes a synchronous memory device having an A-bank and B-bank for being stored with image data, and a memory controller for controlling data access to the synchronous memory to perform motion compensation and display. The image data has a plurality of scan lines and every four scan lines are grouped for being periodically arranged in the synchronous memory in such a manner that the A-bank is sequentially stored with (4N+0)-th and (4N+1)-th scan lines, and the B-bank is sequentially stored with the (4N+2)-th and (4N+3)-th scan lines, where N is a non-negative integer, so as to always perform memory operations by alternately accessing the A-bank and B-bank.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: March 9, 2004
    Assignee: Sunplus Technology Co., Ltd.
    Inventors: Wen-Kuan Chen, Jen-Yi Liao