Donald Edward Blahut from Red Bank, NJ, age 54

Us Patents

Method And Apparatus For Tdm/Tdma Communications
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US Patent:

6778550, Aug 17, 2004
Filed:

Feb 29, 2000
Appl. No.:

09/515947
Inventors:

Donald Edgar Blahut - Holmdel NJ
Assignee:

Lucent Technologies Inc. - Murray Hill NJ
International Classification:

H04J 300
US Classification:

370443, 370449, 370458
Abstract:

In a power splitting passive optical network, TDM/TDMA communication is employed for downstream/upstream transmission over a fiber. A framed structure is used for the downstream transmission from an optical line card (OLC) at the network end to a plurality of optical network units (ONUs), which are each connected to end user equipment. A framed structure is also employed for upstream burst transmission from the plural ONUs to the OLC. In the upstream direction each ONU transmits at most one burst per frame that includes a header and a payload containing a variable number of bytes that is adjustable on a continuum. The length of each payload in a burst transmitted upstream by an ONU is determined as a function of the bandwidth requirements of the end user equipment connected to that ONU as well as the bandwidth requirements of the end user equipment at the other ONUs.

Centralized Video Controller For Controlling Distribution Of Video Signals
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US Patent:

6796555, Sep 28, 2004
Filed:

Jul 19, 1999
Appl. No.:

09/356978
Inventors:

Donald E. Blahut - Holmdel NJ
Assignee:

Lucent Technologies Inc. - Murray Hill NJ
International Classification:

M04L 1228
US Classification:

2703951, 370431
Abstract:

A single centralized video controller is employed to convert and distribute video channels to one or more analog TVs (i. e. , viewing devices or the like). This is realized without the need for changes to either the TVs or the interconnecting COAX. Specifically, the centralized controller includes one or more MPEG2 decoders, the number of which depends on a desired number of active TVs to be used in viewing different programs, and one or more wireless (e. g. , radio frequency (RF)) communications links to television controllers (i. e. , remote control units) associated on a one-to-one basis with the desired number of TVs. In operation, channel selection for each of the one or more TVs is communicated up-stream from the centralized controller to a remote video server and, therein, to a video services controller. The video services controller causes the video server to transmit only the selected program channels to the local centralized video controller. However, when the video channel is already being supplied from the video server to an optical line terminal and, specifically, to an optical line card to which the requesting centralized controller is connected to, there is no need to communicate the channel request to the video server.

Ranging Arrangement And Method For Tdma Communications
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US Patent:

7366196, Apr 29, 2008
Filed:

Jul 23, 2004
Appl. No.:

10/897914
Inventors:

Donald E. Blahut - Beach Haven NJ, US
Peter D. Magill - Freehold NJ, US
Assignee:

Lucent Technologies Inc. - Murray Hill NJ
International Classification:

H04B 7/212
US Classification:

370442, 370478
Abstract:

An out-of-band ranging technique is automatically initiated at a customer premises equipment unit when the equipment is installed, when power is restored after a power failure or interruption, upon verification of the equipment, upon reconnection after a disconnection of the equipment or the like. To this end, an out-of-band tone is employed that is automatically transmitted when the customer premises equipment that transmits the TDMA signal is powered ON, or transmitted in response to a specific command generated locally or remotely. Specifically, when ranging is being effected the customer premises equipment generates and transmits the out-of-band ranging tone until a message is received from a remote terminal indicating that the transmission of the ranging tone be terminated. The loop delay being determined is the delay interval between transmission of the termination message and detection that transmission of the ranging tone has terminated. Then, a message is transmitted to the customer premises equipment that contains the ranging delay interval that is to be used in all future transmissions to the remote terminal.

Internet Protocol Based Network Architecture For Cable Television Network Access With Switched Fallback
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US Patent:

8127029, Feb 28, 2012
Filed:

Jan 5, 2000
Appl. No.:

09/477880
Inventors:

Donald Edgar Blahut - Holmdel NJ, US
James D. Bobeck - Leesport PA, US
Robert William Dalton - North Andover MA, US
Roger Henry Levy - Berkeley Heights NJ, US
Ronald L. Sharp - Califon NJ, US
Assignee:

Alcatel Lucent - Paris
International Classification:

G06F 15/173
G06F 15/16
US Classification:

709229, 709225
Abstract:

A user accesses the Internet through a hybrid data communications system architecture in which upstream service is provided via the local loop of the public switched telephone network (PSTN) and downstream service is provided via a cable television (CATV) network. The Cable Modem Data Termination system (CMTS) includes a routing table. Upon detection of a CATV service interruption, the CMTS re-routes IP traffic destined for a destination IP address (IP) associated with the user to a different IP address, or endpoint, as a function of the routing table. In this instance, the different IP address is associated with equipment that provides downstream IP service to the user via the local loop of the PSTN.

Restricted Access Remote Control Unit
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US Patent:

56637560, Sep 2, 1997
Filed:

Dec 6, 1995
Appl. No.:

8/567836
Inventors:

Donald Edgar Blahut - Holmdel NJ
Guy Ashley Story - New York NY
Edward Stanley Szurkowski - Maplewood NJ
Assignee:

Lucent Technologies Inc. - Murray Hill NJ
International Classification:

H04N 544
US Classification:

348 55
Abstract:

A device for restricting access to certain programs. The RCU comprises an entry pad, a controller, a read-only-memory ("ROM"), and an transmission system.

Microcomputer Arranged For Direct Memory Access
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US Patent:

43487203, Sep 7, 1982
Filed:

Aug 31, 1979
Appl. No.:

6/071750
Inventors:

Donald E. Blahut - Holmdel NJ
Victor K. Huang - Scotch Plains NJ
Richard L. Townsend - Berkeley Heights NJ
Assignee:

Bell Telephone Laboratories, Incorporated - Murray Hill NJ
International Classification:

G06F 100
US Classification:

364200
Abstract:

A microcomputer system arranged for performing direct memory access operations has direct memory access circuitry included on a single chip with the main processor of the microcomputer. Addressing for direct memory access operations is accomplished by circuitry also used for generating addresses when processing routine instructions in the main processor.

Program Server For Interactive Television System
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US Patent:

54423899, Aug 15, 1995
Filed:

Dec 28, 1992
Appl. No.:

7/997985
Inventors:

Donald E. Blahut - Holmdel NJ
Edward S. Szurkowski - Maplewood NJ
Assignee:

AT&T Corp. - Murray Hill NJ
International Classification:

H04N 7173
US Classification:

348 7
Abstract:

The invention relates to a system for transmitting stored programs, such as movies and musical works, to customers via a distribution network, such as a cable television system. The programs are stored in compressed form in a program library, such as a tape cartridge library. On receipt of a request for a program, a request processor sends control messages causing a data block comprising the requested program to be read from the program library at high speed and stored in a large dynamic random access memory (DRAM) in a server. The server then sends the program from DRAM over the distribution system to a customer as a series of digital packets. Each instance of sending a program is managed by a separate command word. The customer can request such operations as "fast forward" by sending control messages that change pointers in the command word. Command words can be grouped to send multiple audio and/or video overlays simultaneously and linked to send program sequences.

Integrated Read Only Memory
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US Patent:

41399072, Feb 13, 1979
Filed:

Aug 31, 1977
Appl. No.:

5/829570
Inventors:

Donald E. Blahut - Holmdel NJ
James A. Cooper - Millington NJ
Assignee:

Bell Telephone Laboratories, Incorporated - Murray Hill NJ
International Classification:

G11C 1140
US Classification:

365104
Abstract:

The word conductors of a semiconductor integrated ROM are foreshortened where permitted by the organization of data in the memory. The space made available by the eliminated portions of the word conductors is used for electrical connection to the bit conductors from the sides of the array rather than at the ends. A space reduction of about thirty percent is achieved.