1
Blahut Donald Edgar, Szurkowski Edward Stanley: Integrated television services system.. At & T, November 9, 1994: EP0624039-A2 (108 worldwide citation)

A system is disclosed for delivering audio and/or video signals to users in connection with the provision of interactive television services. Various sources of such signals are connected to a digital network (10), such as a packet network. Also connected to such network are control (100) and applic ...


2
Blahut Donald Edgar, Szurkowski Edward Stanley: Program server for interactive television system.. At & T, July 6, 1994: EP0605115-A2 (90 worldwide citation)

The invention relates to a system for transmitting stored programs, such as movies and musical works, to customers via a distribution network (112, 115, 114, 116), such as a cable television system. The programs are stored in compressed form in a program library (102), such as a tape cartridge libra ...


3
Blahut Donald Edgar, Story Guy Ashley, Schell William Martin, Szurkowski Edward Stanley: Sending of and billing for interactive shows based upon advertising activity.. At & T, November 2, 1995: EP0680214-A2 (64 worldwide citation)

Described is a technique for an interactive television ("ITV") system wherein viewers are allowed to select a desired level of advertisements with which they are provided. The technique comprises transmitting to a interactive services subscriber location a program and a set of advertisements (collec ...


4
Blahut Donald Edgar, Szurkowski Edward Stanley: Interactive television multicasting.. American Telephone & Telegraph, April 27, 1994: EP0594350-A1 (34 worldwide citation)

Different components of television programs, such as the video and audio components or different time segments of the program, are assigned to different channels transmitted in the form of packetized digital information in at least one of the channels of a multi-channel cable television distribution ...


5
Blahut Donald Edgar, Hollenberg Walter, Szurkowski Edward Stanley: System for composing multimedia signals for interactive television services.. At & T, November 9, 1994: EP0624040-A2 (31 worldwide citation)

A system for composing multimedia signals from various source signals, such as still-frame video signals, full motion video signals and audio signals includes a plurality of composing units (314), each of which is capable of composing (in 440) a multimedia signal from selected source signals. One of ...


6
Blahut Donald Edgar, Rosenthal Eugene J: Television advertisement delivery system and method. Lucent Technologies, January 24, 2001: EP1071287-A2 (19 worldwide citation)

An advertisement delivery system employs an advertisement delivery service that discourages viewers from channel surfing. To this end, advertisers agree to pay at least a portion, if not all, of the consumer's premium video services charges, if in turn, the consumer agrees to watch the advertisement ...


7
Blahut Donald Edgar: Initializing terminals in a signal distribution system.. American Telephone & Telegraph, April 27, 1994: EP0594353-A1 (18 worldwide citation)

The invention relates to signal distribution systems, such as interactive cable television systems, wherein a central server communicates with remote terminals wherein the server assigns a specific address to each newly-connected terminal for control messages and polls. In the case of an interactive ...


8
Blahut Donald Edgar, Froehlich Fritz Edgar: Multiplex communication system. Bell Telephone Laboratories Incorporated, December 25, 1973: US3781478 (17 worldwide citation)

A time division multiplex communication system is described which includes a master timing station and a plurality of station sets serially interconnected forming a closed unidirectional transmission loop. Data and supervisory signals originating at a station set, together with digitally encoded spe ...


9
Blahut Donald Edgar: Adaptive delta modulation decoder. Bell Telephone Laboratories Incorporated, Olinder E J, January 8, 1974: US3784922 (12 worldwide citation)

In an adaptive delta modulation system, step sizes are instantaneously companded by digital logic which controls the charging or discharging time interval of an integrating capacitor. A high speed timer divides each frame period into a plurality of equal time segments. A constant current source arra ...


10
Blahut Donald Edgar: Method and apparatus for tdm/tdma communications. Lucent Technologies, September 5, 2001: EP1130841-A1 (11 worldwide citation)

In a power splitting passive optical network (PSPON) (101) which provides fiber-to-the-home (FTTH), time division multiplexing/time division multiple access (TDM/TDMA) communication is employed for downstream/upstream transmission over a fiber. A framed structure is used for the downstream transmiss ...



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