JPS59803A - けい光灯器具 - Google Patents

けい光灯器具

Info

Publication number
JPS59803A
JPS59803A JP57110504A JP11050482A JPS59803A JP S59803 A JPS59803 A JP S59803A JP 57110504 A JP57110504 A JP 57110504A JP 11050482 A JP11050482 A JP 11050482A JP S59803 A JPS59803 A JP S59803A
Authority
JP
Japan
Prior art keywords
top plate
compliance
natural frequency
ceiling
frequency
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
JP57110504A
Other languages
English (en)
Japanese (ja)
Other versions
JPS643281B2 (enExample
Inventor
有三 奥平
各務　嘉郎
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 JP57110504A priority Critical patent/JPS59803A/ja
Publication of JPS59803A publication Critical patent/JPS59803A/ja
Publication of JPS643281B2 publication Critical patent/JPS643281B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP57110504A 1982-06-25 1982-06-25 けい光灯器具 Granted JPS59803A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57110504A JPS59803A (ja) 1982-06-25 1982-06-25 けい光灯器具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57110504A JPS59803A (ja) 1982-06-25 1982-06-25 けい光灯器具

Publications (2)

Publication Number Publication Date
JPS59803A true JPS59803A (ja) 1984-01-06
JPS643281B2 JPS643281B2 (enExample) 1989-01-20

Family

ID=14537440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57110504A Granted JPS59803A (ja) 1982-06-25 1982-06-25 けい光灯器具

Country Status (1)

Country Link
JP (1) JPS59803A (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334179U (enExample) * 1976-08-30 1978-03-25
JPS5598403A (en) * 1979-01-20 1980-07-26 Matsushita Electric Works Ltd Annular fluorescent lamp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334179U (enExample) * 1976-08-30 1978-03-25
JPS5598403A (en) * 1979-01-20 1980-07-26 Matsushita Electric Works Ltd Annular fluorescent lamp

Also Published As

Publication number Publication date
JPS643281B2 (enExample) 1989-01-20

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