News Column

Patent Issued for Debugging System Using Optical Transmission

July 15, 2014

By a News Reporter-Staff News Editor at Information Technology Newsweekly -- From Alexandria, Virginia, VerticalNews journalists report that a patent by the inventors Chou, Pai-Hsiang (Taipei, TW); Wang, An-Ping (Hsinchu, TW); Chang, Shin-Yi (Chiayi County, TW); Lee, Cheng-Dao (Taoyuan County, TW); Lee, Chi-Yuan (Kaohsiung, TW), filed on June 22, 2012, was published online on July 1, 2014.

The patent's assignee for patent number 8769362 is National Tsing Hua University (Hsinchu, TV).

News editors obtained the following quote from the background information supplied by the inventors: "The invention related to a debugging system, and more particularly to a debugging system using optical transmission.

"A conventional method to debug a system is transferring the debugging data (or debugging message) from the system under debugging ('the target system') to a specific apparatus (e.g., computer) through a wired interface. Under the restriction of the wired interface, the debugging system achieves insufficient scalability. If the target system is located at a position that cannot be reached easily, the difficulty of deploying the wired transmission interface will also increase.

"Currently, a well-known technique to transfer the debugging data to a specific displaying platform is through the radio frequency (RF), but the radio frequency signal will be restricted by the transmission distance and tends to be negatively affected by the multi-path interference."

As a supplement to the background information on this patent, VerticalNews correspondents also obtained the inventors' summary information for this patent: "An object of the invention is to provide a low-cost debugging system.

"Another object of the invention is to provide a debugging system with the capability of transmitting the debugging data through an optical interface.

"An embodiment of the invention provides a debugging system using optical transmission. The debugging system comprises a sending side and a receiving side. The sending side comprises a debugging data generation unit, a modulation unit, and an optical-transmission apparatus. The debugging data generation unit generates debugging data according to an operation on the sending side. The modulation unit modulates the debugging data to generate a modulated signal. The optical-transmission apparatus is coupled to the modulation unit, converting the modulated signal into a first light pulse and transmits the first light pulse. The receiving side comprises an optical receiving apparatus, a demodulation unit, and a data storage device. The optical receiving apparatus receives the modulated first light pulse. The demodulation unit is coupled to the optical receiving apparatus and demodulates the modulated signal to restore the debugging data. The data storage device receives and saves the debugging data. A user can perform a procedure of detecting and possibly correcting any error by checking the received data from the storage device.

"Further scope of the applicability of the present invention will become apparent from the detailed description given hereinafter. However, it should be understood that the detailed description and specific examples, while indicating preferred embodiments of the present invention, are given by way of illustration only, since various changes and modifications within the spirit and the scope of the present invention will become apparent to those skilled in the art from this detailed description."

For additional information on this patent, see: Chou, Pai-Hsiang; Wang, An-Ping; Chang, Shin-Yi; Lee, Cheng-Dao; Lee, Chi-Yuan. Debugging System Using Optical Transmission. U.S. Patent Number 8769362, filed June 22, 2012, and published online on July 1, 2014. Patent URL:

Keywords for this news article include: Information Technology, Information and Data Storage, National Tsing Hua University.

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Source: Information Technology Newsweekly

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