The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 04, 2005

Filed:

Oct. 18, 2000
Applicants:

Scott D. Smyers, San Jose, CA (US);

Bruce A. Fairman, Woodside, CA (US);

Glen D. Stone, Los Gatos, CA (US);

Harold A. Ludtke, San Jose, CA (US);

Inventors:

Scott D. Smyers, San Jose, CA (US);

Bruce A. Fairman, Woodside, CA (US);

Glen D. Stone, Los Gatos, CA (US);

Harold A. Ludtke, San Jose, CA (US);

Assignees:

Sony Corporation, Tokyo, JP;

Sony Electronics Inc., Park Ridge, NJ (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F009/46 ;
U.S. Cl.
CPC ...
Abstract

A method for implementing a multi-level system model for deterministically handling selected data comprises a picokernel module that invokes an isochronous scheduler to select, schedule, and execute active isochronous processes on an electronic device in response to a cycle start signal from an isochronous clock. The active isochronous processes may selectively set plesiochronous flags to thereby designate corresponding plesiochronous processes as active plesiochronous processes. Once all active isochronous processes have been executed in a given isochronous cycle, then the picokernel may invoke a plesiochronous scheduler to select, schedule, and execute any active plesiochronous processes on the electronic device.


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