1
Mustafa Eroz, Feng Wen Sun, Lin Nan Lee: Method and system for providing low density parity check (LDPC) encoding. The DirecTV Group, Georgann S Grunebach, March 13, 2007: US07191378 (170 worldwide citation)

An approach is provided for a method of encoding structure Low Density Parity Check (LDPC) codes. Memory storing information representing a structured parity check matrix of Low Density Parity Check (LDPC) codes is accessed during the encoding process. The information is organized in tabular form, w ...


2
Michael Ficco, Adrian Yap, Ernest Seah, Rajeshwari Karthikeyan: Device control via digitally stored program content. The DIRECTV Group, Georgann S Grunnbach, March 15, 2005: US06868292 (165 worldwide citation)

A method and system of controlling devices with digitally stored content. Devices such as home electronic appliances, lighting systems, heating, ventilating and air conditioning (HVAC) equipment, home security systems and home entertainment systems are controlled from a single, centralized device. A ...


3
Craig A Finseth, Jeffrey A Brown, Philip E Hsiao, Robert G Arsenault: Method and apparatus for sharing viewing preferences. The DirecTV Group, Georgann S Grunebach, John A Crook III, November 2, 2004: US06813775 (144 worldwide citation)

A method, apparatus, and article of manufacture for sharing viewer preference information between a first user and a second user is disclosed. The method comprises the steps of storing first user viewer preference information characterizing media programs selected by the first user in a memory of a ...


4
Joseph Santoru: Method and apparatus for reducing interference between terrestrially-based and space-based broadcast systems. The DIRECTV Group, Georgann S Grunebach, December 13, 2005: US06975837 (143 worldwide citation)

A system and method for reducing interference between communications systems sharing at a portion of at least some allocated frequency bands is described. The system comprises a first communication system broadcasting on a first set of broadcast bands having guard bands therebetween, and a second co ...


5
Raynold M Kahn, Gregory J Gagnon, David D Ha, Peter M Klauss, Christopher P Curren, Thomas H James: Video on demand pay per view services with unmodified conditional access functionality. The DIRECTV Group, Georgann S Grunebach, John A Crook III, February 8, 2005: US06853728 (117 worldwide citation)

A system and method for storing and retrieving program material for subsequent replay is disclosed. The method comprises the steps of receiving access control information and the program material encrypted according to a first encryption key, the access control information including the first encryp ...


6
Michael Ficco: Broadcast advertisement adapting method and apparatus. The DIRECTV Group, October 29, 2013: US08572639 (106 worldwide citation)

Techniques of adapting an advertisement previously broadcast or in the process of being broadcast are disclosed. An advertisement selection factor is generated in order to adapt ads to a particular recipient. The advertisement selection factor can be derived from a database of information concerning ...


7
Robert G Arsenault, Jeffrey A Brown, Philip E Hsiao, Tam T Leminh, Craig A Finseth: Method and apparatus for transmission, receipt, caching and display of one-way broadcast programming and data. The DirecTV Group, Georgann S Grunebach, November 29, 2005: US06971119 (81 worldwide citation)

The present invention is a method and apparatus for transmitting, receiving, storing and displaying television program data. The method includes transmitting data including scheduled program data, program guide data, and cache program data. The method further includes receiving the transmitted data ...


8
John P Godwin: Device and method for the integrated presentation of a secondary service as a part of a primary service. The DIRECTV Group, John A Crook, Georgann S Grunebach, August 3, 2004: US06772434 (74 worldwide citation)

A method and apparatus for providing an integrated presentation of existing media program services and secondary media program services is described. The method comprises the steps of receiving and displaying an electronic program guide comprising channels and programs carried by both the primary se ...


9
Mustafa Eroz, Feng Wen Sun, Lin Nan Lee: Bit labeling for amplitude phase shift constellation used with low density parity check (LDPC) codes. The DIRECTV Group, Georgann S Grunebach, November 8, 2005: US06963622 (59 worldwide citation)

An approach is provided for bit labeling of a signal constellation. A transmitter generates encoded signals using, according to one embodiment, a structured parity check matrix of a Low Density Parity Check (LDPC) code. The transmitter includes an encoder for transforming an input message into a cod ...


10
Robert G Arsenault, Aspandyar M Jijina: Automatic software update detection and flexible installer for set-top boxes. The DIRECTV Group, March 2, 2010: US07673297 (58 worldwide citation)

A method and apparatus for updating set top box software from a resident software version stored in a memory of the set-top box to a current software version is disclosed. The method comprises the step of automatically checking to determine if the resident software version is the current software ve ...



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