Passive watchdog method and apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20070005759A1
SERIAL NO

11448604

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method of correcting a lockup error condition of a device includes a watchdog apparatus receiving an indication of activity from the device. The method also includes making a determination, from the indication of activity, whether the device is in a lockup condition. The method also includes interrupting power to the device with the watchdog apparatus if the determination is that the device is in the lockup condition. The watchdog apparatus includes a power input port for receiving power from a power source, a power output port for providing power to the device, and an activity port for receiving an indication of activity from the device. The watchdog apparatus makes a determination, from the indication of activity, whether the device is in a lockup condition, and interrupts the power provided to the device if the determination is that the device is in the lockup condition.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
VideogenixBROOKLINE, MA1

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Louis, Eric N. Chelmsford, MA 15 84
Schaff, Glen D Brookline, MA 4 89

Cited Art Landscape

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (2)
* 5142165 Power off/on delay circuit to prevent lockout 10 1990
* 6728601 Multiple host power control system and method 14 2001
 
AMERICAN POWER CONVERSION CORPORATION (1)
* 2005/0206,241 Web-enabled UPS 11 2004
 
SERVER TECHNOLOGY, INC. (1)
* 6711613 Remote power control system 52 1999
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
* 6438684 Push button shutdown and reset of embedded systems 15 1997
 
SUNBEAM PRODUCTS, INC. (2)
* 5422461 Control device and safety circuit for heating pads with PTC heater 16 1992
* 5420397 Control device and safety circuit for heating pads with PTC heater 16 1993
 
Dallas Semiconductor Corporation (1)
* 5473271 Microprocessor output driver 10 1993
 
DELL USA, L.P. (1)
* 5513319 Watchdog timer for computer system reset 76 1995
 
BLACKBERRY LIMITED (1)
* 7130667 Methods and apparatus for expeditiously releasing network resources for a mobile station based on low battery and lost signal conditions 9 2004
 
BELL CANADA (1)
* 2004/0019,691 Method and system for set-top box service and support 47 2002
 
EMBOTICS CORPORATION (1)
* 2005/0060,567 Embedded system administration 18 2004
 
Sony Electronics Inc. (1)
* 6584587 Watchdog method and apparatus 22 1999
 
NEOPOST TECHNOLOGIES (1)
* 5634000 Power-fail return loop 13 1991
 
Bryte Computer Technologies, Inc. (1)
* 7249381 Controller and resource management system and method with improved security for independently controlling and managing a computer system 11 2004
 
INTEL CORPORATION (1)
* 6438709 Method for recovering from computer system lockup condition 25 1997
 
CHEMICAL BANK, AS COLLATERAL AGENT (1)
* 4982404 Method and apparatus for insuring operation of a multiple part system controller 27 1988
 
Odessa Engineering, Inc. (1)
* 5379341 Device for remotely resetting electronic appliances in response to telephone rings 48 1993
 
NETWORK APPLIANCE, INC. (1)
* 7139937 Method and apparatus to establish safe state in a volatile computer memory under multiple hardware and software malfunction conditions 28 2002
 
CANON KABUSHIKI KAISHA (1)
* 6611285 Method, apparatus, and system for controlling a camera, and a storage medium storing a program used with the method, apparatus and/or system 15 1997
* Cited By Examiner

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