EP0752638A2
Expired / Lapsed
EP
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Resume operations in an information processing system
Assignee: International Business Machines Corp
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Filing: 1996-07-01
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Granted: —
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Expires: 2016-07-01
Abstract
Abstract An information processing system of the type which enters a power saving mode when a predetermined time has elapsed since a last user or system operation, characterised in that the system comprises: means for measuring the elapsed time since the system entered said power saving mode; means responsive to a request to resume system operation to compare said elapsed time with a second predetermined time; and means responsive to a determination that said elapsed time is greater than said predetermined time to prompt the system user to input a password in order to continue resumption of system operation.
Inventors
- 👤 Arimasa Naito
- 👤 Takahide Wada
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-10 01:58
CPC Classifications
G; G06; G06F; G06F21/00; G06F21/30; G06F21/31; G06F1/00; G06F1/26; G06F1/32; G06F1/3203
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
98 words
An information processing system of the type which enters a power saving mode when a predetermined time has elapsed since a last user or system operation, characterised in that the system comprises: means for measuring the elapsed time since the system entered said power saving mode; means responsive to a request to resume system operation to compare said elapsed time with a second predetermined time; and means responsive to a determination that said elapsed time is greater than said predetermined time to prompt the system user to input a password in order to continue resumption of system operation.
Claim 2
Dependent Claim
114 words
An information processing system comprising: a processor; a memory; user input means; a display unit; first means for producing a periodic signal; second means for detecting and reporting that a predetermined time has elapsed since a last user input or a last processing operation; third means for starting a power saving operation responsive to the report from said second means; fourth means for measuring a time period of the power saving operation from the start of the power saving operation to the next user input; fifth means for prompting a user to input password in accordance with the time period of the power saving operation; and sixth means for halting the power management operation.
Claim 3
Dependent Claim
21 words
The information processing system according to claim 1 or 2, wherein said second predetermined period of time is a fixed value.
Claim 4
Dependent Claim
22 words
The information processing system according to claim 1 or 2, wherein said second predetermined period of time is a user programmable value.
Claim 5
Independent Claim
61 words
A method of controlling an information processing system of the type which enters a power saving mode when a predetermined time has elapsed since a last system operation, the method including the step of requesting a password input from a user to resume system operation only on expiry of a predetermined time period following the transition to the power saving mode.
Claim 6
Independent Claim
114 words
A method of controlling an information processing system of the type which enters a power management mode when a first predetermined time has elapsed since a last system operation, comprising: starting the power saving operation when said first predetermined time has elapsed since a last user input or a last processing operation; measuring a time period of the power saving operation from the start of the power saving operation to the next user input; comparing the time period of the power saving operation with a second predetermined time; prompting a user to input a password on a determination that said time period of the power saving operation is greater than said second predetermined time.
References Cited (Backward Citations)
No citation records indexed.
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