1
Ronald Alexander, Stephen Dias, Kenneth S Hancock, Elsie Y Leung, Douglas Macrae, Arthur Y Ng, Shawn O&apos Neil, Peter Christopher Schoaff, Jonathon Sutton, Thomas Edward Ward III, Thomas Westberg, Henry C Yuen: Systems and methods for displaying and recording control interface with television programs, video, advertising information and program scheduling information. Index Systems, Christie Parker & Hale, January 23, 2001: US06177931 (1969 worldwide citation)

The present invention is an improvement over previous Electronic Programming Guides (“EPG”) in that it provides, among other things: Improved viewer interaction capabilities with the EPG; improved viewer control of video recording of future-scheduled programming; improved features to the EPG display ...


2
Henry C Yuen, Roy J Mankovitz, Daniel S Kwoh, Elsie Y Leung: Method and apparatus for transmitting, storing, and processing electronic program guide data for on-screen display. Gemstar Development Corporation, Christie Parker & Hale, November 5, 2002: US06477705 (216 worldwide citation)

A television viewer uses a PIP format for display of program related information such as television program listings from a program schedule data base in the background and moving, real time images of a program selected from the displayed listings in the PIP window. All the text of the background in ...


3
Henry C Yuen, Daniel S Kwoh, Roy J Mankovitz, Elsie Y Leung: Database for use in method and apparatus for displaying television programs and related text. Christie Parker & Hale, February 22, 2000: US06028599 (208 worldwide citation)

A database consisting of inventive data structures is used to facilitate the creation of electronic program guides when used with a television program schedule system. The database is periodically updated with television program schedule information and is interrogated by a schedule system in order ...


4
Henry C Yuen, Roy J Mankovitz, Daniel S Kwoh, Elsie Y Leung: Combination of VCR index and EPG. Index Systems, Christie Parker & Hale, November 14, 2000: US06147715 (158 worldwide citation)

A television system has a television viewing mode (50) and a guide mode (56, 58). The guide mode includes an electronic program guide (EPG), which provides the viewer program information for tuned programs, and a tape index guide (TIG), which provides information for programs recorded on a video cas ...


5
Henry C Yuen, Daniel S Kwoh, Roy J Mankovitz, Carl Hindman, Hing Y Ngai, Yee Kong Ng, Elsie Y Leung: Enhancing operations of video tape cassette players. Index Systems, Christie Parker & Hale, July 18, 2000: US06091884 (146 worldwide citation)

Operation of a video cassette player is facilitated by providing a VBI decoder which decodes information, such as title, channel, date, time and length of broadcast programs and utilizing the information in providing directory of the programs as well as control of the VCR. The video cassette player ...


6
Henry C Yuen, Elsie Y Leung: Method for channel scanning. Gemstar Development Corporation, Christie Parker & Hale, March 23, 1999: US05886746 (114 worldwide citation)

Apparatus and methods are provided for selecting channels on a television system by theme. A remote controller for the television system includes a plurality of theme keys, each theme key corresponding to one theme of a plurality of themes, apparatus for entering channel indicators corresponding to ...


7
Henry C Yuen, Elsie Y Leung: Apparatus and method for channel scanning by theme. Gemstar Development Corporation, Christie Parker & Hale, September 30, 1997: US05673089 (112 worldwide citation)

Apparatus and methods are provided for selecting channels on a television system by theme. A remote controller for the television system includes a plurality of theme keys, each theme key corresponding to one theme of a plurality of themes, apparatus for entering channel indicators corresponding to ...


8
Henry C Yuen, Roy J Mankovitz, Daniel S Kwoh, Elsie Y Leung: System and method for grazing television channels from an electronic program guide. E Guide, Christie Parker & Hale, November 28, 2000: US06154203 (108 worldwide citation)

A television program guide the uses a picture-in-picture (PIP) setup to allow the user to view an active television channel while browsing the channel guide.


9
Henry C Yuen, Roy J Mankovitz, Daniel S Kwoh, Elsie Y Leung: EPG with advertising inserts. Index Systems, Christie Parker & Hale, February 3, 2004: US06687906 (102 worldwide citation)

In one embodiment, the invention is a system and method for simultaneously displaying advertisements with an electronic program guide (EPG). The system displays television schedule information in rows of schedule information items including the time and channel for at least a portion of the displaye ...


10
Henry C Yuen, Roy J Mankovitz, Daniel S Kwoh, Elsie Y Leung: Television system and method for subscription of information services. Christie Parker & Hale, November 30, 1999: US05995092 (60 worldwide citation)

A system for sending selected up-to-date information in a television signal from a sender located at a network head-end or television station to a receiver co-located with a television viewer. The television viewer subscribes to an information service by telephoning a customer service center affilia ...