JPH01106926U - - Google Patents

Info

Publication number
JPH01106926U
JPH01106926U JP1987199191U JP19919187U JPH01106926U JP H01106926 U JPH01106926 U JP H01106926U JP 1987199191 U JP1987199191 U JP 1987199191U JP 19919187 U JP19919187 U JP 19919187U JP H01106926 U JPH01106926 U JP H01106926U
Authority
JP
Japan
Prior art keywords
operating
operating section
section
power
power source
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.)
Granted
Application number
JP1987199191U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0441384Y2 (US20030199744A1-20031023-C00003.png
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
Application filed filed Critical
Priority to JP1987199191U priority Critical patent/JPH0441384Y2/ja
Priority to US07/291,226 priority patent/US4961008A/en
Publication of JPH01106926U publication Critical patent/JPH01106926U/ja
Application granted granted Critical
Publication of JPH0441384Y2 publication Critical patent/JPH0441384Y2/ja
Expired 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
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3228—Monitoring task completion, e.g. by use of idle timers, stop commands or wait commands
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
    • G06F15/0216—Constructional details or arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Sources (AREA)
  • Calculators And Similar Devices (AREA)
JP1987199191U 1987-12-29 1987-12-29 Expired JPH0441384Y2 (US20030199744A1-20031023-C00003.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987199191U JPH0441384Y2 (US20030199744A1-20031023-C00003.png) 1987-12-29 1987-12-29
US07/291,226 US4961008A (en) 1987-12-29 1988-12-28 Power reduction during power down

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987199191U JPH0441384Y2 (US20030199744A1-20031023-C00003.png) 1987-12-29 1987-12-29

Publications (2)

Publication Number Publication Date
JPH01106926U true JPH01106926U (US20030199744A1-20031023-C00003.png) 1989-07-19
JPH0441384Y2 JPH0441384Y2 (US20030199744A1-20031023-C00003.png) 1992-09-29

Family

ID=16403656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987199191U Expired JPH0441384Y2 (US20030199744A1-20031023-C00003.png) 1987-12-29 1987-12-29

Country Status (2)

Country Link
US (1) US4961008A (US20030199744A1-20031023-C00003.png)
JP (1) JPH0441384Y2 (US20030199744A1-20031023-C00003.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184031A (en) * 1990-02-08 1993-02-02 Kabushiki Kaisha Toshiba Semiconductor integrated circuit
US5390350A (en) * 1991-04-22 1995-02-14 Western Digital Corporation Integrated circuit chip core logic system controller with power saving features for a microcomputer system
US6230276B1 (en) 1999-02-01 2001-05-08 Douglas T Hayden Energy conserving measurement system under software control and method for battery powered products
JP3786608B2 (ja) 2002-01-28 2006-06-14 株式会社ルネサステクノロジ 半導体集積回路装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617415A (en) * 1979-07-24 1981-02-19 Casio Comput Co Ltd Electric power supply system of electronic apparatus
JPS5793730A (en) * 1980-12-03 1982-06-10 Hitachi Ltd Signal level conversion circuit
JPS5816299A (ja) * 1981-07-23 1983-01-29 セイコーエプソン株式会社 音声合成半導体集積回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381552A (en) * 1978-12-08 1983-04-26 Motorola Inc. Stanby mode controller utilizing microprocessor
US4665536A (en) * 1986-03-10 1987-05-12 Burroughs Corporation Programmable automatic power-off system for a digital terminal
US4825143A (en) * 1987-08-12 1989-04-25 Leo Cheng Digital meter automatic off power supply circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617415A (en) * 1979-07-24 1981-02-19 Casio Comput Co Ltd Electric power supply system of electronic apparatus
JPS5793730A (en) * 1980-12-03 1982-06-10 Hitachi Ltd Signal level conversion circuit
JPS5816299A (ja) * 1981-07-23 1983-01-29 セイコーエプソン株式会社 音声合成半導体集積回路

Also Published As

Publication number Publication date
US4961008A (en) 1990-10-02
JPH0441384Y2 (US20030199744A1-20031023-C00003.png) 1992-09-29

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