It is reported that the name of the patent for the 'audio decoding' patent number 2007101416616, previously considered to be a standard necessary patents.
In July 2017, due to alleged patent infringement, Rising v. Skyworth Group Co., Ltd., Shenzhen Skyworth-RGB Electronics Co., Ltd. and GOME Electronics Co., Ltd. v. Beijing Intellectual Property Court, claiming that over 100 Skyworth TVs infringed on its holdings The two invention patents requested the court to order the three defendants to stop the infringement and compensate for the economic loss and other reasonable expenditures for a total amount of 192.2 million yuan.
On July 5, 2017, the same patent, Rising Company sued Hisense (Hisense Group Co., Ltd. and Qingdao Hisense Electric Co., Ltd.) and Shenzhen Suning Cloud Commerce Sales Co., Ltd. to Shenzhen Intermediate People's Court. Subsequently, Samsung Was sued to Guangzhou Intellectual Property Court.Li Junhui said, according to incomplete statistics, Rising cumulative claim for these three companies about 400 million yuan.
The case information shows that Rising is the inventor of the DRA multi-channel digital audio codec technology, which sued two invention patents as 'audio decoding' and 'audio encoding and decoding system' respectively.
Among them, the 'audio decoding' patent was filed by Risheng on August 17, 2007 and received the authorization on May 20, 2009, which provides a system, a method and an apparatus for decoding audio signals from a frame-based bitstream Technology and others.
The 'Audio decoding' patent is the standard essential patent of the "Multi-channel Digital Audio Codec Specification" (GB / T 22726-2008) ("DRA Standard").
The 'Audio Coding and Decoding System' patent was filed on January 7, 2008 by Rising Inc. and was approved on September 7, 2011. This patent provides systems, methods, and techniques for encoding audio signals, Where the sampled audio signal is divided into frames.
The 'Audio Coding and Decoding System' patent relates to a method and apparatus for decoding television signals encoded with DRA audio codes, the DRA standard entitled "Frame Structure, Channel Coding and Modulation for Digital Television Terrestrial Broadcasting Systems" (GB-20600-2006) ( Referred to as 'DTMB standard') the mandatory audio standards, TV products are supported by the DRA standard.
It is reported that on August 7, 2017, after being prosecuted by Rising for alleged patent infringement, Samsung filed a patent invalidation request against the Patent Reexamination Board for the patent of 'audio decoding' held by Rising. February 27, 2018 , The Patent Reexamination Board made a censorship decision on the patent in question that was "declared null and void."
At this point, Rising Sheng company sued the relevant audio patents, one has been convicted of invalid.