JPS6431405A - Ballast mounting structure for discharge lamp apparatus - Google Patents
Ballast mounting structure for discharge lamp apparatusInfo
- Publication number
- JPS6431405A JPS6431405A JP62187906A JP18790687A JPS6431405A JP S6431405 A JPS6431405 A JP S6431405A JP 62187906 A JP62187906 A JP 62187906A JP 18790687 A JP18790687 A JP 18790687A JP S6431405 A JPS6431405 A JP S6431405A
- Authority
- JP
- Japan
- Prior art keywords
- ballast
- auxilliary
- resonators
- 2fhz
- vibration
- 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
Links
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
PURPOSE:To eliminate the need for determining the mounting positions of auxilliary resonators according to places of installation and facilitate layout and execution of work, by providing the auxilliary resonators having resonance frequencies which tune with oscillation frequencies of a ballast to an oscillating system consisting of the ballast and an elastic supporter. CONSTITUTION:An elastic supporter 2 is stiff enough in terms of mechanical strength as an apparatus and supports a ballast 3 elastically. In such a case, as its elastic support is designed with emphasis on the practical strength, vibration transmissibility exceeds 1 with respect to basic frequencies 2fHz in the case of oscillations of its ballast 3. If the above state is left as it is, then vibration transmissiblity does not take reduced effect for the basic frequencies 2fHz. Under this situation, auxilliary resonators 4 which is adjusted to 2fHz is installed in the vicinity of the maximum extent of the amplitude of vibration at the elastic supporter 2. Thus the vibration absorption effect of the auxilliary resonators 4 lessens oscillations of 2fHz as well. This approach eliminates the need for considering the mounting positions of the auxilliary resonators 4 so as to absorb vibrations without lowering the practical supporting strength of the ballast 3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62187906A JP2561288B2 (en) | 1987-07-27 | 1987-07-27 | Ballast mounting structure for discharge lamp equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62187906A JP2561288B2 (en) | 1987-07-27 | 1987-07-27 | Ballast mounting structure for discharge lamp equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6431405A true JPS6431405A (en) | 1989-02-01 |
JP2561288B2 JP2561288B2 (en) | 1996-12-04 |
Family
ID=16214271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62187906A Expired - Lifetime JP2561288B2 (en) | 1987-07-27 | 1987-07-27 | Ballast mounting structure for discharge lamp equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2561288B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0395404A2 (en) | 1989-04-27 | 1990-10-31 | Canon Kabushiki Kaisha | Image processing apparatus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5547704U (en) * | 1978-09-22 | 1980-03-28 | ||
JPS6159326U (en) * | 1984-09-21 | 1986-04-21 |
-
1987
- 1987-07-27 JP JP62187906A patent/JP2561288B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5547704U (en) * | 1978-09-22 | 1980-03-28 | ||
JPS6159326U (en) * | 1984-09-21 | 1986-04-21 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0395404A2 (en) | 1989-04-27 | 1990-10-31 | Canon Kabushiki Kaisha | Image processing apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP2561288B2 (en) | 1996-12-04 |
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