Reboot control unit and reboot control method
First Claim
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1. A reboot control unit comprising:
- a main computer;
an auxiliary computer connected to said main computer and a unit to be controlled, said auxiliary computer providing controls together with the main computer over said unit to be controlled;
a register for setting said auxiliary computer as an object for reboot processing; and
a logic circuit for validating, while said main computer remains operating, a reset signal for starting the reboot processing of said auxiliary computer according to the setting in said register.
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Abstract
An input/output circuit in which a reset control circuit is provided in an NC board, and a logic circuit comprising a REG0 register and a REG1 register each for setting an object for reboot processing, two inverters, an AND gate, and an OR gate is provided in the reset control circuit. According to the setting in the registers, a reset signal RST* for starting reboot processing to the NC board while a PC control section is kept on operating is validated by the logic circuit. On the other hand the reset signal RST* is invalidated by the logic circuit when the reboot processing is executed to the PC control section.
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Citations
6 Claims
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1. A reboot control unit comprising:
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a main computer;
an auxiliary computer connected to said main computer and a unit to be controlled, said auxiliary computer providing controls together with the main computer over said unit to be controlled;
a register for setting said auxiliary computer as an object for reboot processing; and
a logic circuit for validating, while said main computer remains operating, a reset signal for starting the reboot processing of said auxiliary computer according to the setting in said register. - View Dependent Claims (2)
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3. A reboot control unit comprising:
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a main computer;
an auxiliary computer connected to said main computer and a unit to be controlled, said auxiliary computer providing controls together with the main computer over said unit to be controlled;
a register for setting said main computer as an object for reboot processing; and
a logic circuit for invalidating, when said main computer is to be rebooted, a reset signal for starting the reboot processing of said auxiliary computer according to the setting in said register. - View Dependent Claims (4)
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5. A reboot control unit comprising:
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a main computer;
an auxiliary computer connected to and operating concurrently with said main computer;
a unit to be controlled, said auxiliary computer providing controls together with the main computer over said unit to be controlled;
a register for setting said auxiliary computer as an object for reboot processing; and
a logic circuit for validating, while said main computer remains operating, a reset signal for starting the reboot processing of said auxiliary computer according to the setting in said register.
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6. A reboot control unit comprising:
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a main computer;
an auxiliary computer connected to and operating concurrently with of said main computer;
a unit to be controlled, said auxiliary computer providing controls together with the main computer over said unit to be controlled;
a register for setting said main computer as an object for reboot processing; and
a logic circuit for invalidating, when said main computer is to be rebooted, a reset signal for starting the reboot processing of said auxiliary computer according to the setting in said register.
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Specification
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Current AssigneeMitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
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Original AssigneeMitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
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InventorsFujishima, Mitsushiro
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Primary Examiner(s)Gaffin, Jeffrey
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Assistant Examiner(s)Farooq, Mohammad O.
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Application NumberUS09/326,794Time in Patent Office1,390 DaysField of Search713/2, 714/13, 714/11, 714/23, 710/37, 710/48, 710/110, 710/316, 710/260, 710/5US Class Current713/2CPC Class CodesG06F 9/4418 Suspend and resume; Hiberna...
