JPS56165261A - Temperature radiation type bulb and method of lighting same - Google Patents

Temperature radiation type bulb and method of lighting same

Info

Publication number
JPS56165261A
JPS56165261A JP6857380A JP6857380A JPS56165261A JP S56165261 A JPS56165261 A JP S56165261A JP 6857380 A JP6857380 A JP 6857380A JP 6857380 A JP6857380 A JP 6857380A JP S56165261 A JPS56165261 A JP S56165261A
Authority
JP
Japan
Prior art keywords
radiation type
temperature radiation
type bulb
lighting same
lighting
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
JP6857380A
Other languages
Japanese (ja)
Other versions
JPS641905B2 (en
Inventor
Mitsuki Sagane
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP6857380A priority Critical patent/JPS56165261A/en
Publication of JPS56165261A publication Critical patent/JPS56165261A/en
Publication of JPS641905B2 publication Critical patent/JPS641905B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP6857380A 1980-05-23 1980-05-23 Temperature radiation type bulb and method of lighting same Granted JPS56165261A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6857380A JPS56165261A (en) 1980-05-23 1980-05-23 Temperature radiation type bulb and method of lighting same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6857380A JPS56165261A (en) 1980-05-23 1980-05-23 Temperature radiation type bulb and method of lighting same

Publications (2)

Publication Number Publication Date
JPS56165261A true JPS56165261A (en) 1981-12-18
JPS641905B2 JPS641905B2 (en) 1989-01-13

Family

ID=13377642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6857380A Granted JPS56165261A (en) 1980-05-23 1980-05-23 Temperature radiation type bulb and method of lighting same

Country Status (1)

Country Link
JP (1) JPS56165261A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6975078B2 (en) 2003-02-28 2005-12-13 Nippon Hosos Kyokai Dimming-control lighting apparatus for incandescent electric lamp

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4735380U (en) * 1971-05-12 1972-12-19
JPS54166184U (en) * 1978-05-13 1979-11-21

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4735380U (en) * 1971-05-12 1972-12-19
JPS54166184U (en) * 1978-05-13 1979-11-21

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6975078B2 (en) 2003-02-28 2005-12-13 Nippon Hosos Kyokai Dimming-control lighting apparatus for incandescent electric lamp

Also Published As

Publication number Publication date
JPS641905B2 (en) 1989-01-13

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