Patents by Inventor Stephen Hershey

Stephen Hershey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20070087295
    Abstract: A radiographic material containing tabular silver halide grains also includes an amido compound as an antifoggant precursor that can slowly release an antifoggant over time. These compounds are present in reactive association with the silver halide in tabular silver halide emulsion layers, and are present in an amount of at least 0.5 mmol/mol of silver. The radiographic materials are protected from fog during storage particularly in high temperature environments.
    Type: Application
    Filed: October 3, 2005
    Publication date: April 19, 2007
    Inventors: Robert Dickerson, George Burgmaier, Steven Szatynski, Stephen Hershey
  • Publication number: 20070070918
    Abstract: In certain embodiments, a first node among a plurality of distributed nodes capable of forming or reforming a communication network between the nodes, each of the nodes including one or more transceivers, includes a memory for storing values for variables for the first node and includes a plurality of transceivers.
    Type: Application
    Filed: September 27, 2005
    Publication date: March 29, 2007
    Inventor: Stephen Hershey
  • Patent number: 6662330
    Abstract: ARQ protocol useful for transferring delay-sensitive data blocks between sending and receiving devices (102, 104) over an error-prone communication link (116). The ARQ protocol allows either the sender or receiver to initiate termination of the transfer from sender to receiver of one or more blocks. Blocks eligible for negative acknowledgement by a receiving device are determined by a reception determination procedure performed by the sending device. Negative acknowledgement of eligible blocks is based on a number of consecutive blocks reported as corrupt, which number may include an allowable number of non-corrupt blocks. The allowable number of non-corrupt blocks is based on a Minimum Corruption Density (MCD) parameter that may be adjusted by a receiving device depending on available bandwidth for retransmission of blocks or other criteria.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: December 9, 2003
    Assignee: Motorola, Inc.
    Inventor: Stephen Hershey
  • Publication number: 20030152030
    Abstract: A method and system for performing delayed connection release in a connection-oriented data link layer communications protocol, including a second node that establishes a return data link connection with a first node prior to an initial transmission of data from the first node to the second node and delays a release of the return data link connection after a last transmission of data from the first node to the second node. The second node also establishes a forward data link with the first node prior to an initial transmission of data from the second node to the first node and delays a release of the forward data link connection after a last transmission of data from the second node to the first node. The first node may be configured as a terminal and the second node may be configured as a base station over a wireless data link and the first node may be configured as a client and the second node may be configured as a server over a wired data link.
    Type: Application
    Filed: February 12, 2002
    Publication date: August 14, 2003
    Inventor: Stephen Hershey
  • Publication number: 20030035383
    Abstract: A computer-implemented method, system and computer program product for demanding a data link resource in a communications network, including calculating an unsatisfied demand (UD) value for the data link resource at a terminal and transmitting the calculated UD value over the data link from the terminal to a base station at a time uncorrelated with a time at which new demand for the data link resource is detected by the terminal. The UD value is calculated as UD=NUM_RLC_BLK_UNSENT+NUM_RLC_BLK_NACK, where NUM_RLC_BLK_UNSENT is a number of radio link control (RLC) blocks not yet sent and NUM_RLC_BLK_NACK is a number of RLC blocks negatively acknowledged by the base station. The UD value is received from the terminal at the base station over the data link. The base station calculates an imputed unsatisfied demand (IUD) value based on the received UD value and existing data link resources already allocated to the terminal and transmits the calculated IUD value to a data link resource scheduler.
    Type: Application
    Filed: September 26, 2001
    Publication date: February 20, 2003
    Inventor: Stephen Hershey