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.
Patent No.:
Date of Patent:
May. 06, 1997
Filed:
Jun. 10, 1994
Applicant:
Inventors:
Geoffrey B Lansberry, Cambridge, MA (US);
James L Munro, Severna Park, MD (US);
Assignee:
Northrop Grumman Corporation, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
364481 ; 364424026 ; 318254 ; 318293 ; 318599 ; 363 41 ; 363 98 ; 363132 ; 388811 ; 388829 ; 3889072 ; 3889075 ;
Abstract
A vector control board for an electric vehicle propulsion system motor controller comprising a microcontroller for generating torque requests, a digital signal processor for receiving the torque requests from the microcontroller and for generating phase voltage signals in accordance with the torque requests, and a digital gate array for receiving the phase voltage signals from the digital signal processor and for generating gate drive signals from the phase voltage signals.