GB2230625B - A voltage regulator - Google Patents

A voltage regulator

Info

Publication number
GB2230625B
GB2230625B GB9000917A GB9000917A GB2230625B GB 2230625 B GB2230625 B GB 2230625B GB 9000917 A GB9000917 A GB 9000917A GB 9000917 A GB9000917 A GB 9000917A GB 2230625 B GB2230625 B GB 2230625B
Authority
GB
United Kingdom
Prior art keywords
voltage regulator
regulator
voltage
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 - Fee Related
Application number
GB9000917A
Other versions
GB9000917D0 (en
GB2230625A (en
Inventor
Minoru Sudo
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of GB9000917D0 publication Critical patent/GB9000917D0/en
Publication of GB2230625A publication Critical patent/GB2230625A/en
Application granted granted Critical
Publication of GB2230625B publication Critical patent/GB2230625B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
    • G05F1/63—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc using variable impedances in series with the load as final control devices
    • G05F1/648—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc using variable impedances in series with the load as final control devices being plural resistors among which a selection is made
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
GB9000917A 1989-01-18 1990-01-16 A voltage regulator Expired - Fee Related GB2230625B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1009557A JPH02189607A (en) 1989-01-18 1989-01-18 Voltage regulator

Publications (3)

Publication Number Publication Date
GB9000917D0 GB9000917D0 (en) 1990-03-14
GB2230625A GB2230625A (en) 1990-10-24
GB2230625B true GB2230625B (en) 1993-05-12

Family

ID=11723585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9000917A Expired - Fee Related GB2230625B (en) 1989-01-18 1990-01-16 A voltage regulator

Country Status (3)

Country Link
JP (1) JPH02189607A (en)
KR (1) KR0148689B1 (en)
GB (1) GB2230625B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2075256A (en) * 1980-04-24 1981-11-11 Tokyo Shibaura Electric Co Thermally programmable semiconductor read only memory
EP0045895A1 (en) * 1980-08-13 1982-02-17 Siemens Aktiengesellschaft Device for changing the electrical configuration of integrated circuits
GB2151376A (en) * 1983-11-15 1985-07-17 Ates Deutschland Halbleiter }a series voltage regulator}
GB2151375A (en) * 1983-11-15 1985-07-17 Ates Deutschland Halbleiter A series voltage regulator
GB2206730A (en) * 1987-05-19 1989-01-11 Gazelle Microcircuits Inc Semiconductor circuit device parameter optimization

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2075256A (en) * 1980-04-24 1981-11-11 Tokyo Shibaura Electric Co Thermally programmable semiconductor read only memory
EP0045895A1 (en) * 1980-08-13 1982-02-17 Siemens Aktiengesellschaft Device for changing the electrical configuration of integrated circuits
GB2151376A (en) * 1983-11-15 1985-07-17 Ates Deutschland Halbleiter }a series voltage regulator}
GB2151375A (en) * 1983-11-15 1985-07-17 Ates Deutschland Halbleiter A series voltage regulator
GB2206730A (en) * 1987-05-19 1989-01-11 Gazelle Microcircuits Inc Semiconductor circuit device parameter optimization

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
US4438347 is equivalent to EP0045895 *

Also Published As

Publication number Publication date
GB9000917D0 (en) 1990-03-14
KR0148689B1 (en) 1998-12-01
GB2230625A (en) 1990-10-24
JPH02189607A (en) 1990-07-25
KR900012148A (en) 1990-08-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940116