1
David E Seitz, David Paul Sharp, Thomas Lamson Harman, Louis J Everett, Rodney H Neumann: Fluid heating control system. David Seitz, Browning Bushman, June 12, 2001: US06246831 (123 worldwide citation)

An improved system, method and apparatus for control of an instantaneous flow-through fluid heater system is disclosed. The control incorporates a logic control method providing modulation of power in small steps to a plurality of heating elements retaining responsiveness to closed-loop control need ...


2
Wendell L Little: Integrated circuit with watchdog timer and sleep control logic which places IC and watchdog timer into sleep mode. Dallas Semiconductor, Worsham Forsythe Sampels & Wooldridge, December 29, 1992: US05175845 (121 worldwide citation)

A system which includes a microprocessor (or microcontroller) and an auxiliary chip which monitors the system power supply voltage and performs related functions for the microprocessor, and also provides a watchdog function to monitor the microprocessor's activity. The auxiliary chip itself can put ...


3
Robert N Hasbun: Method and system for performing clean-up of a solid state disk during host command execution. Intel Corporation, Blakely Sokoloff Taylor & Zafman, June 17, 1997: US05640529 (92 worldwide citation)

A system and method for converting invalid user data within a solid state disk into free memory during time allotted to execute a host command from a standard interface. Clean-up states are part of a clean-up state machine which controls the conversion of the invalid user data into free memory. When ...


4
Semir Sirazi, Thomas E Zinger: Microprocessor reset with power level detection and watchdog timer. Zenith Electronics Corporation, April 29, 1986: US04586179 (89 worldwide citation)

A combination watchdog timer and input voltage level detector circuit is coupled to a microcomputer (or microprocessor) for insuring proper operation thereof under various conditions. The watchdog timer is coupled to the microcomputer and is responsive to a status signal output by the microcomputer ...


5
Keith M Klug, Steven R Tugenberg: Functional lockstep arrangement for redundant processors. Motorola, Frank J Bogacz, July 6, 1993: US05226152 (84 worldwide citation)

N redundant processors operating in functional lockstep synchronization for maintaining system integrity. Comparison and synchronization logic are connected between N processors in redundant configuration and peripheral devices. The comparison and synchronization logic act to insure that the redunda ...


6
Barry Kennedy: Distributed multi-processor boot system for booting each processor in sequence including watchdog timer for resetting each CPU if it fails to boot. Ast Research, Knobbe Martens Olson & Bear, September 12, 1995: US05450576 (79 worldwide citation)

A system for controlling initialization and self test operations in a multiprocessor system facilitates the use of central processing units based around differing microprocessor types. More specifically, the present invention involves storing configuration information, initialization self-test code, ...


7
Andrew Crosland, Roger May, Edward Flaherty, Andrew Draper: Embedded processor with watchdog timer for programmable logic. Altera Corporation, Townsend and Townsend and Crew, March 4, 2008: US07340596 (73 worldwide citation)

A programmable logic integrated circuit has an embedded processor with a watchdog timer circuit. The watchdog timer circuit is used to detect software or hardware failures. In one implementation, the watchdog timer circuit includes a counter register that advances (e.g., incremented or decremented) ...


8
Rodney A DeKoning, Gerald J Fredin, Charles D Binford: Method for detecting failure in redundant controllers using a private LUN. LSI Logic Corporation, November 2, 1999: US05975738 (64 worldwide citation)

Methods and associated apparatus within a RAID subsystem having redundant controllers define a private LUN as a data storage area known and accessible to all controllers in the system and used by them for diagnostic purposes. The methods involve sending a diagnostic write command to a first controll ...


9
Craig Nemecek, Steve Roe: In-circuit emulator with gatekeeper for watchdog timer. Cypress Semiconductor Corporation, January 9, 2007: US07162410 (63 worldwide citation)

A watchdog timer control using a gatekeeper in an In-Circuit Emulation system. The In-Circuit Emulation system has a microcontroller operating in lock-step synchronization with a virtual microcontroller. When a watchdog event occurs, the gatekeeper, forming a part of the virtual microcontroller, cro ...


10
Alan Reynaud, Joe Nielson, Randy Han, Tad Kuwano, James M Worsham, Wiliam J Beyda: System and method for intelligent and reliable booting. Siemens Information and Communication Networks, May 9, 2000: US06061788 (62 worldwide citation)

A system and method for intelligent and reliable booting of a PBX-supporting computer includes a system bus coupled to at least one central processor. Multiple booting devices are connected to the system bus including a hard disk drive, a removable media device, and at least one of RAM, NVRAM, and F ...