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JPS53851A - Protective circuit for constant current source - Google Patents

Protective circuit for constant current source

Info

Publication number
JPS53851A
JPS53851A JP7443176A JP7443176A JPS53851A JP S53851 A JPS53851 A JP S53851A JP 7443176 A JP7443176 A JP 7443176A JP 7443176 A JP7443176 A JP 7443176A JP S53851 A JPS53851 A JP S53851A
Authority
JP
Japan
Prior art keywords
constant current
current source
protective circuit
transistor
overheating
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
JP7443176A
Other languages
Japanese (ja)
Inventor
Yoshihiko Miyano
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 JP7443176A priority Critical patent/JPS53851A/en
Publication of JPS53851A publication Critical patent/JPS53851A/en
Pending legal-status Critical Current

Links

Landscapes

  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Protection Of Static Devices (AREA)

Abstract

PURPOSE: To protect power source from overheating by installing transistor in parallel with referential voltage generator in high voltage constant current cource, thereby preventing control transistor from exceeding over allowable collector loss.
COPYRIGHT: (C)1978,JPO&Japio
JP7443176A 1976-06-25 1976-06-25 Protective circuit for constant current source Pending JPS53851A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7443176A JPS53851A (en) 1976-06-25 1976-06-25 Protective circuit for constant current source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7443176A JPS53851A (en) 1976-06-25 1976-06-25 Protective circuit for constant current source

Publications (1)

Publication Number Publication Date
JPS53851A true JPS53851A (en) 1978-01-07

Family

ID=13547011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7443176A Pending JPS53851A (en) 1976-06-25 1976-06-25 Protective circuit for constant current source

Country Status (1)

Country Link
JP (1) JPS53851A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224318U (en) * 1975-08-12 1977-02-21
JPS54115509A (en) * 1978-02-27 1979-09-08 Nat Jutaku Kenzai Frame in metal and panel
JPS54115510A (en) * 1978-02-27 1979-09-08 Nat Jutaku Kenzai Frame in metal and panel
JPS54115508A (en) * 1978-02-27 1979-09-08 Nat Jutaku Kenzai Frame in metal and panel
JPS60144443A (en) * 1983-12-30 1985-07-30 柴田　哲 Composite panel
JPS62215742A (en) * 1986-03-15 1987-09-22 國府田　洪 Construction of reinforced light weight concrete building

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224318U (en) * 1975-08-12 1977-02-21
JPS54115509A (en) * 1978-02-27 1979-09-08 Nat Jutaku Kenzai Frame in metal and panel
JPS54115510A (en) * 1978-02-27 1979-09-08 Nat Jutaku Kenzai Frame in metal and panel
JPS54115508A (en) * 1978-02-27 1979-09-08 Nat Jutaku Kenzai Frame in metal and panel
JPS60144443A (en) * 1983-12-30 1985-07-30 柴田　哲 Composite panel
JPH0261587B2 (en) * 1983-12-30 1990-12-20 Satoru Shibata
JPS62215742A (en) * 1986-03-15 1987-09-22 國府田　洪 Construction of reinforced light weight concrete building
JPH0415860B2 (en) * 1986-03-15 1992-03-19 Hiroshi Koda

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