JPS5443730A - Breakage detecting circuit for projecting lamp of projector - Google Patents

Breakage detecting circuit for projecting lamp of projector

Info

Publication number
JPS5443730A
JPS5443730A JP11076577A JP11076577A JPS5443730A JP S5443730 A JPS5443730 A JP S5443730A JP 11076577 A JP11076577 A JP 11076577A JP 11076577 A JP11076577 A JP 11076577A JP S5443730 A JPS5443730 A JP S5443730A
Authority
JP
Japan
Prior art keywords
lamp
breakage
transistor
voltage
projector
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.)
Granted
Application number
JP11076577A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6110061B2 (enrdf_load_html_response
Inventor
Tsutomu Kondo
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP11076577A priority Critical patent/JPS5443730A/ja
Publication of JPS5443730A publication Critical patent/JPS5443730A/ja
Publication of JPS6110061B2 publication Critical patent/JPS6110061B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Projection Apparatus (AREA)
JP11076577A 1977-09-13 1977-09-13 Breakage detecting circuit for projecting lamp of projector Granted JPS5443730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11076577A JPS5443730A (en) 1977-09-13 1977-09-13 Breakage detecting circuit for projecting lamp of projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11076577A JPS5443730A (en) 1977-09-13 1977-09-13 Breakage detecting circuit for projecting lamp of projector

Publications (2)

Publication Number Publication Date
JPS5443730A true JPS5443730A (en) 1979-04-06
JPS6110061B2 JPS6110061B2 (enrdf_load_html_response) 1986-03-27

Family

ID=14543997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11076577A Granted JPS5443730A (en) 1977-09-13 1977-09-13 Breakage detecting circuit for projecting lamp of projector

Country Status (1)

Country Link
JP (1) JPS5443730A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220109A (en) * 1988-06-28 1989-12-28 Johnson Electric Ind Mfg Connecting armature windings to commutator segments

Also Published As

Publication number Publication date
JPS6110061B2 (enrdf_load_html_response) 1986-03-27

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