KR890009670U - Constant current circuit - Google Patents

Constant current circuit

Info

Publication number
KR890009670U
KR890009670U KR2019870018538U KR870018538U KR890009670U KR 890009670 U KR890009670 U KR 890009670U KR 2019870018538 U KR2019870018538 U KR 2019870018538U KR 870018538 U KR870018538 U KR 870018538U KR 890009670 U KR890009670 U KR 890009670U
Authority
KR
South Korea
Prior art keywords
constant current
current circuit
circuit
constant
current
Prior art date
Application number
KR2019870018538U
Other languages
Korean (ko)
Other versions
KR900001892Y1 (en
Inventor
박철영
Original Assignee
주식회사금성사
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 주식회사금성사 filed Critical 주식회사금성사
Priority to KR2019870018538U priority Critical patent/KR900001892Y1/en
Publication of KR890009670U publication Critical patent/KR890009670U/en
Application granted granted Critical
Publication of KR900001892Y1 publication Critical patent/KR900001892Y1/en

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Electrical Variables (AREA)
KR2019870018538U 1987-10-30 1987-10-30 Constant current circuit KR900001892Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870018538U KR900001892Y1 (en) 1987-10-30 1987-10-30 Constant current circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870018538U KR900001892Y1 (en) 1987-10-30 1987-10-30 Constant current circuit

Publications (2)

Publication Number Publication Date
KR890009670U true KR890009670U (en) 1989-05-31
KR900001892Y1 KR900001892Y1 (en) 1990-03-10

Family

ID=19269004

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870018538U KR900001892Y1 (en) 1987-10-30 1987-10-30 Constant current circuit

Country Status (1)

Country Link
KR (1) KR900001892Y1 (en)

Also Published As

Publication number Publication date
KR900001892Y1 (en) 1990-03-10

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Legal Events

Date Code Title Description
A201 Request for examination
N231 Notification of change of applicant
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20020219

Year of fee payment: 13

EXPY Expiration of term