Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1996-11-15
1999-09-21
Wong, Peter S.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 49, 363 56, H02M 3335
Patent
active
059562404
ABSTRACT:
Run/standby switching including switching to standby upon excessive current loading are provided in a switched mode power supply useful as an auxiliary power supply in a television. A switching controller IC is coupled between a primary transformer winding on the rectified raw B.sup.+ input voltage and ground. A switching transistor is coupled to the control input of the controller and is biased by the raw B.sup.+ input voltage for pulling down the control input. A run/standby control circuit and an overcurrent protective circuit disable the switching transistor during run mode operation and enable the switching transistor upon an overcurrent fault. The switched-mode power supply is further provided with a quick-reset capability to enable the power supply to consistently provide output voltages which are within nominal output voltage levels despite rapidly repeated dislocations in the operational mode of the apparatus.
REFERENCES:
patent: 4723167 (1988-02-01), Griffey
patent: 4751580 (1988-06-01), Fitzgerald et al.
patent: 4761702 (1988-08-01), Pinard
patent: 4975592 (1990-12-01), Hahn et al.
patent: 4994719 (1991-02-01), Lendaro
patent: 5013980 (1991-05-01), Stephens et al.
patent: 5093605 (1992-03-01), Meinhertz
patent: 5270823 (1993-12-01), Heidebroek et al.
patent: 5491794 (1996-02-01), Wu
patent: 5777862 (1998-07-01), Williams et al.
patent: 5796596 (1998-08-01), Williams
PCT International Search Report for counterpart international application number PCT/US 97/ 21011.
Jardieu Derek J.
Laks Joseph J.
Sragow Daniel E.
Thomson Consumer Electronics Inc.
Tripoli Joseph S.
LandOfFree
Quick-reset circuit for auxiliary power supply does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Quick-reset circuit for auxiliary power supply, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quick-reset circuit for auxiliary power supply will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-86205