DE69229819D1 - Einstellung der Taktfrequenz einer elektrischen Schaltung - Google Patents

Einstellung der Taktfrequenz einer elektrischen Schaltung

Info

Publication number
DE69229819D1
DE69229819D1 DE69229819T DE69229819T DE69229819D1 DE 69229819 D1 DE69229819 D1 DE 69229819D1 DE 69229819 T DE69229819 T DE 69229819T DE 69229819 T DE69229819 T DE 69229819T DE 69229819 D1 DE69229819 D1 DE 69229819D1
Authority
DE
Germany
Prior art keywords
setting
electrical circuit
clock frequency
clock
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69229819T
Other languages
English (en)
Other versions
DE69229819T2 (de
Inventor
Sirpa Korhonen
Rune Lindholm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI912954A external-priority patent/FI88450C/fi
Priority claimed from FI916051A external-priority patent/FI95847C/fi
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of DE69229819D1 publication Critical patent/DE69229819D1/de
Application granted granted Critical
Publication of DE69229819T2 publication Critical patent/DE69229819T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0287—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment
    • H04W52/0293—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment having a sub-controller with a low clock frequency switching on and off a main controller with a high clock frequency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
DE69229819T 1991-06-18 1992-06-17 Einstellung der Taktfrequenz einer elektrischen Schaltung Expired - Lifetime DE69229819T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI912954A FI88450C (fi) 1991-06-18 1991-06-18 Anordning foer byte av klocksignal
FI916051A FI95847C (fi) 1991-12-20 1991-12-20 Menetelmä ja toteutus sähköisen järjestelmän tehonkulutuksen säätämiseksi

Publications (2)

Publication Number Publication Date
DE69229819D1 true DE69229819D1 (de) 1999-09-23
DE69229819T2 DE69229819T2 (de) 2000-01-27

Family

ID=26158974

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229819T Expired - Lifetime DE69229819T2 (de) 1991-06-18 1992-06-17 Einstellung der Taktfrequenz einer elektrischen Schaltung

Country Status (5)

Country Link
US (1) US5378935A (de)
EP (1) EP0522720B1 (de)
JP (1) JPH05274055A (de)
DE (1) DE69229819T2 (de)
EE (1) EE03320B1 (de)

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Also Published As

Publication number Publication date
EP0522720B1 (de) 1999-08-18
US5378935A (en) 1995-01-03
EE03320B1 (et) 2000-12-15
DE69229819T2 (de) 2000-01-27
EP0522720A1 (de) 1993-01-13
JPH05274055A (ja) 1993-10-22

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