JPS52137215A - Lamp lighting test circuit - Google Patents

Lamp lighting test circuit

Info

Publication number
JPS52137215A
JPS52137215A JP5321176A JP5321176A JPS52137215A JP S52137215 A JPS52137215 A JP S52137215A JP 5321176 A JP5321176 A JP 5321176A JP 5321176 A JP5321176 A JP 5321176A JP S52137215 A JPS52137215 A JP S52137215A
Authority
JP
Japan
Prior art keywords
test circuit
lamp lighting
lighting test
lamp
pouring
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
JP5321176A
Other languages
Japanese (ja)
Inventor
Takashi Sato
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 JP5321176A priority Critical patent/JPS52137215A/en
Publication of JPS52137215A publication Critical patent/JPS52137215A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reduce the power supply capacity of the lamp power, for example, by pouring the current to the extent by which the lamp does not turn on, regarding the resistance value inserted between the collector and the emitter of the transistor in series with the lamp circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP5321176A 1976-05-12 1976-05-12 Lamp lighting test circuit Pending JPS52137215A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5321176A JPS52137215A (en) 1976-05-12 1976-05-12 Lamp lighting test circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5321176A JPS52137215A (en) 1976-05-12 1976-05-12 Lamp lighting test circuit

Publications (1)

Publication Number Publication Date
JPS52137215A true JPS52137215A (en) 1977-11-16

Family

ID=12936502

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5321176A Pending JPS52137215A (en) 1976-05-12 1976-05-12 Lamp lighting test circuit

Country Status (1)

Country Link
JP (1) JPS52137215A (en)

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