JPH0464865U - - Google Patents
Info
- Publication number
- JPH0464865U JPH0464865U JP10815090U JP10815090U JPH0464865U JP H0464865 U JPH0464865 U JP H0464865U JP 10815090 U JP10815090 U JP 10815090U JP 10815090 U JP10815090 U JP 10815090U JP H0464865 U JPH0464865 U JP H0464865U
- Authority
- JP
- Japan
- Prior art keywords
- lighting device
- lamp holder
- fluorescent lamp
- circuit board
- printed circuit
- 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
Links
- 238000010586 diagram Methods 0.000 description 7
- 238000005286 illumination Methods 0.000 description 1
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図ａはこの考案の第１の実施例の照明装置
の構成を示す概念図、第１図ｂ〜ｄは同照明装置
のランプホルダ２の構成を示す概念図、第２図ａ
，ｂはこの考案の第２の実施例の照明装置の構成
を示す概念図、第３図および第４図は従来の照明
装置の構成を示す概念図、第５図は第３図に示す
照明装置を被照明対象となる原稿７に接近させた
様子を示す概念図、第６図はランプホルダを用い
ていない照明装置を被照明対象となる原稿７に接
近させた様子を示す概念図、第７図は従来の照明
装置による被照明対象の照度分布を示す図である
。
１……プリント基板、２，５……ランプホルダ
、２ａ，５ａ……頂部、３……蛍光ランプ、３ａ
……上端、３ｂ……軸中心。
FIG. 1a is a conceptual diagram showing the configuration of a lighting device according to a first embodiment of the invention, FIGS. 1b to d are conceptual diagrams showing the configuration of a lamp holder 2 of the lighting device, and FIG. 2a
, b are conceptual diagrams showing the configuration of a lighting device according to a second embodiment of this invention, FIGS. 3 and 4 are conceptual diagrams showing the configuration of a conventional lighting device, and FIG. 5 is a conceptual diagram showing the configuration of a conventional lighting device. FIG. 6 is a conceptual diagram showing the state in which the device is brought close to the document 7 to be illuminated; FIG. FIG. 7 is a diagram showing the illuminance distribution of an illuminated object by a conventional illumination device. 1... Printed circuit board, 2, 5... Lamp holder, 2a, 5a... Top, 3... Fluorescent lamp, 3a
...Top end, 3b...Axis center.
Claims (1)
ランドに接続し、前記蛍光ランプと前記プリント
基板との間にランプホルダを介在させた照明装置
において、 前記ランプホルダの高さ寸法を、前記ランプホ
ルダの頂部が前記蛍光ランプの軸中心と上端との
間に位置するように設定したことを特徴とする照
明装置。[Claims for Utility Model Registration] In a lighting device in which a wire electrode of a fluorescent lamp is connected to a power supply land of a printed circuit board, and a lamp holder is interposed between the fluorescent lamp and the printed circuit board, the height of the lamp holder A lighting device characterized in that dimensions are set such that the top of the lamp holder is located between the axial center and the upper end of the fluorescent lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10815090U JPH0464865U (en) | 1990-10-15 | 1990-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10815090U JPH0464865U (en) | 1990-10-15 | 1990-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0464865U true JPH0464865U (en) | 1992-06-04 |
Family
ID=31854986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10815090U Pending JPH0464865U (en) | 1990-10-15 | 1990-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0464865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009245598A (en) * | 2008-03-28 | 2009-10-22 | Ushio Inc | Rare gas fluorescent lamp |
-
1990
- 1990-10-15 JP JP10815090U patent/JPH0464865U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009245598A (en) * | 2008-03-28 | 2009-10-22 | Ushio Inc | Rare gas fluorescent lamp |
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