Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Peripheral unit controller










Image Number 8 for United States Patent #4428044.

A synchronization scheme is used in a peripheral unit controller which consists of two duplicated units whose outputs are matched. In addition, each duplicated unit contains a pair of microprocessors whose outputs are also matched. The synchronization scheme allows each microprocessor to run its own diagnostics independently, and to synchronize itself with the other microprocessor of the pair. After the synchronization occurs in both microprocessor pairs, the duplicated units are synchronized. Synchronization is achieved by using a real-time clock and the interrupt structure of each microprocessor.








 
 
  Recently Added Patents
Data converter with configurable functions
Image forming apparatus having exhaust fan
Positive electrode for secondary battery, and secondary battery
IR(voltage) drop analysis in integrated circuit timing
Patient interface
Current collector for lead acid battery
Bioactive agent-loaded heart-targeting nanoparticles
  Randomly Featured Patents
Apparatus for producing SO.sub.2 -containing gas and cement clinker from waste gypsum
Carboxyl-terminated polyetheramines
Circuit for an electronic clock having a parallel-connected alarm device and stepper motor
Dynamically reconfigurable wired network
Intelligent caching of user data for real time communications
Computer use meter and analyzer
Shopping cart anti-tip bracket
Creel carriage
Auxiliary tool handle
Adjustable carriage apparatus