JPS5288754A - Electric current value changeover type constant current circuit - Google Patents

Electric current value changeover type constant current circuit

Info

Publication number
JPS5288754A
JPS5288754A JP491276A JP491276A JPS5288754A JP S5288754 A JPS5288754 A JP S5288754A JP 491276 A JP491276 A JP 491276A JP 491276 A JP491276 A JP 491276A JP S5288754 A JPS5288754 A JP S5288754A
Authority
JP
Japan
Prior art keywords
type constant
current value
electric current
value changeover
constant current
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.)
Pending
Application number
JP491276A
Other languages
Japanese (ja)
Inventor
Mitsugi Kamo
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP491276A priority Critical patent/JPS5288754A/en
Publication of JPS5288754A publication Critical patent/JPS5288754A/en
Pending legal-status Critical Current

Links

Landscapes

  • Continuous-Control Power Sources That Use Transistors (AREA)

Abstract

PURPOSE: To simplify the changeover of the output current value without necessity of multiple working power source by controlling the current to flow through the connection of a shut provided to an emitter of a transistor (tr) of a constant voltage.
COPYRIGHT: (C)1977,JPO&Japio
JP491276A 1976-01-21 1976-01-21 Electric current value changeover type constant current circuit Pending JPS5288754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP491276A JPS5288754A (en) 1976-01-21 1976-01-21 Electric current value changeover type constant current circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP491276A JPS5288754A (en) 1976-01-21 1976-01-21 Electric current value changeover type constant current circuit

Publications (1)

Publication Number Publication Date
JPS5288754A true JPS5288754A (en) 1977-07-25

Family

ID=11596840

Family Applications (1)

Application Number Title Priority Date Filing Date
JP491276A Pending JPS5288754A (en) 1976-01-21 1976-01-21 Electric current value changeover type constant current circuit

Country Status (1)

Country Link
JP (1) JPS5288754A (en)

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