Patents by Inventor Alexander Kasman

Alexander Kasman 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).

  • Method and apparatus for error tracking in a multitasking environment
    Patent number: 5181204
    Abstract: An error flag setting arrangement for a multitasking environment requires all of a multiplicity of processes to use the same funtion to set an error flag indicator. Inside of this function, the flag indication is tested prior to setting to a new value. If the flag indication is already set, the function waits a predetermined period of time. In the event that the error indication is not reset within the predetermined period a message describing the current value of error indication is displayed on the screen and the error indication is set to the new value.
    Type: Grant
    Filed: June 27, 1990
    Date of Patent: January 19, 1993
    Assignee: Telefonaktienbolaget L M Ericsson
    Inventor: Alexander Kasman
  • Communications system using a fault tolerant protocol
    Patent number: 5163055
    Abstract: A system for the communication of data between digital devices uses a unique fault tolerant protocol wherein messages are exchanged in a format which allows for error detection and recovery, flow control and retransmissions. In the particular embodiment described, processors in a system for the recording and display of telephone traffic communicate using the aforementioned fault tolerant protocol.
    Type: Grant
    Filed: June 27, 1990
    Date of Patent: November 10, 1992
    Assignee: Telefonaktiebolaget LM Ericsson
    Inventors: Jangsik Lee, Alexander Kasman