By Lamps Or Led's (epo) Patents (Class 714/E11.185)

E Subclasses

For error or online/offline status (epo) (Class 714/E11.186)
  • Apparatus and method to visually indicate the status of a data storage device
    Patent number: 7492275
    Abstract: A data storage and retrieval system that comprises a data storage device is disclosed. The data storage and retrieval system further comprises a first LED, a second LED, a third LED, and a fourth LED, interconnected with the data storage device. The data storage device causes the first LED and the second LED to emit first light comprising a first color if the data storage device detects an internal failure. Alternatively, the storage device causes the third LED and the fourth LED to emit second light comprising a second color if the data storage device remains operative.
    Type: Grant
    Filed: November 18, 2004
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: Carl E. Jones, Gregg S. Lucas, Andrew E. Seidel