1
Bahman Qawami
Qawami Bahman, Sabet Sharghi Farshid, Chang Robert C: System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media. Sandisk Corporation, October 21, 2003: TW558903 (1 worldwide citation)

A secure software system for a portable device or computer that provides a simple interface to the device or computer and that retrieves and dynamically decrypts keys and content from a secure media while minimizing exposure of the keys and eliminating the need for manufacturers of the device or com ...


2
William B Boyle, Alan P Rice: Digital video recorder employing a unique ID to interlock with encrypted video programs stored on a storage device. Keen Personal Technologies, Keen Personal Media, Milad G Shara Esq, Howard H Sheerin Esq, February 8, 2005: US06853731 (137 worldwide citation)

The present invention may be regarded as a digital video recorder (DVR) comprising a storage device for storing an encrypted video program, a unique ID for interlocking the encrypted video program with the digital video recorder, and a cryptography facility. The cryptography facility comprises an en ...


3
Fen Chung Kung, Jesse Eugene Russell, Hopeton Walker, Spencer Wang: Protected IP telephony calls using encryption. AT&T, May 3, 2005: US06889321 (85 worldwide citation)

Communication information transmitted in the broadband communication system may be in a packet format and secured using encryption techniques, for example encryption software, including a means for providing an initial security key and updated security keys to the various pieces of communication equ ...


4
Gary A Demos: Encrypted and watermarked temporal and resolution layering in advanced television. Dolby Laboratories Licensing Corporation, Fish & Richardson P C, October 18, 2005: US06957350 (81 worldwide citation)

A method and apparatus for image compression using temporal and resolution layering of compressed image frames, and which provides encryption and watermarking capabilities. In particular, layered compression allows a form of modularized decomposition of an image that supports flexible encryption and ...


5
Xin Wang: System and method for protection of digital works. ContentGuard Holdings, Nixon Peabody, Marc S Kaufman, April 26, 2005: US06885748 (77 worldwide citation)

A method of protecting a digital work uses a format preserving encryption scheme to encrypt the digital work. This enables any native replay application or rendering application to transform an encrypted digital work into encrypted presentation data. The originator's digital content is protected in ...


6
Shinichi Hirata: Remote control of VCR with electronic mail. Sony Corporation, Oblon Spivak McClelland Maier & Neustadt P C, August 2, 2005: US06925567 (72 worldwide citation)

A security apparatus and a security method for controlling electric devices by use of electronic mails. A modem receives an electronic mail sent from a sending side and stores the received electronic mail into a RAM of a controller. A CPU extracts certification information encrypted by a secret key ...


7
Ramanujan K Valmiki, Sandeep Bhatia: Video and graphics system with a video transport processor. Broadcom Corporation, Christie Parker & Hale, December 13, 2005: US06975324 (70 worldwide citation)

A video and graphics system includes a data transport processor for receiving compressed data streams, a video transport processor for extracting video data, and an audio decode processor for extracting audio data. The data transport processor provides PCRs to the video transport processor and the a ...


8
Makoto Tatebayashi, Yutaka Nakamura, Shunji Harada, Masayuki Kozuka: Digital content protection system. Matsushita Electric Industrial, February 22, 2005: US06859535 (67 worldwide citation)

The media inherent key storing unit 220 prestores an inherent key Ki, the conversion unit 230 generates an encrypted inherent key Ji from the inherent key read from the media inherent key storing unit 220, the random number generating unit 331 generates a random number R1, the encryption unit 252 ge ...


9
Kang En Seung, Byun Jin Young: Digital content cryptograph and process. Samsung Electronics, Robert E Bushnell Esq, May 10, 2005: US06892306 (66 worldwide citation)

A digital cryptograph and encryption process encrypts and transmits in a digital format specific items of information requested by a user of a digital content transmission system by using key information, a user's key and a temporary validation key, to decrypt and replay the encrypted digital inform ...


10
Katherine S Lam, Kamran Moallemi, Chong U Lee, Taku Katoh, Naoki Endoh: Multimedia adaptive scrambling system (MASS). Verance Corporation, Barry R Lipsitz, Douglas M McAllister, May 3, 2005: US06888943 (64 worldwide citation)

A system (300, 500) for scrambling digital samples (115, 200, 250, 260, 270) of multimedia data, including audio and video data samples, such that the content of the samples is degraded but still recognizable, or otherwise provided at a desired quality level. The samples may be in any conceivable co ...



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