JPS62107355U - - Google Patents
Info
- Publication number
- JPS62107355U JPS62107355U JP20174185U JP20174185U JPS62107355U JP S62107355 U JPS62107355 U JP S62107355U JP 20174185 U JP20174185 U JP 20174185U JP 20174185 U JP20174185 U JP 20174185U JP S62107355 U JPS62107355 U JP S62107355U
- Authority
- JP
- Japan
- Prior art keywords
- discharge tube
- document reading
- shield
- illumination device
- reading device
- 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
- 238000005286 illumination Methods 0.000 claims description 9
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Facsimile Scanning Arrangements (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案の実施例の断面図、第２図は本
考案の一実施例の電極形状を示す図、第３図は本
考案の他の実施例の電極形状を示す図、第４図は
本実施例の説明図、第５図Ａ，Ｂ，Ｃ，Ｄはシー
ルド状態を説明するためのブロツク図、第６図は
本実施例の照明装置を適用した面像形成装置の断
面図である。第７図は本考案を説明するための照
明装置の断面図。
図中、１は高周波ランプ電源、１０は放電管、
１１は電極、１２，１３はシールド、１４はスリ
ツト部、１５は反射板、１６は開口部である。
Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a diagram showing the electrode shape of one embodiment of the invention, Fig. 3 is a diagram showing the electrode shape of another embodiment of the invention, and Fig. 4 is a diagram showing the electrode shape of another embodiment of the invention. The figure is an explanatory diagram of this embodiment, Figures 5A, B, C, and D are block diagrams for explaining the shield state, and Figure 6 is a sectional view of a surface image forming apparatus to which the illumination device of this embodiment is applied. It is. FIG. 7 is a sectional view of a lighting device for explaining the present invention. In the figure, 1 is a high-frequency lamp power supply, 10 is a discharge tube,
11 is an electrode, 12 and 13 are shields, 14 is a slit portion, 15 is a reflecting plate, and 16 is an opening.
補正 昭６１．１２．８
実用新案登録請求の範囲を次のように補正する
。Amendment December 8, 1981 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
１ 外部から高周波電磁界が印加されることによ
り発光する放電管と、
放電管に高周波電磁界を印加するための高周波
印加手段と、
放電管と高周波印加手段とを覆い、発生する電
磁波を遮蔽するシールドと、 を有するユニツト構成を成す照明装置であつて、
この放電管と高周波印加手段とシールドと、を
有するユニツトが一定経路を往復動することを特
徴とする原稿読み取り装置の照明装置。
２ 上記高周波印加手段は、高周波発振回路を有
し、この高周波発振回路と、上記放電管の間に仕
切り部材が設けられている実用新案登録請求の範
囲第１項記載の原稿読み取り装置の照明装置。 [Claims for Utility Model Registration] 1. A discharge tube that emits light when a high-frequency electromagnetic field is applied from the outside, a high-frequency application means for applying a high-frequency electromagnetic field to the discharge tube, and a discharge tube and a high-frequency application means. A lighting device comprising a unit comprising a discharge tube, a high frequency applying means, and a shield for shielding generated electromagnetic waves , the unit comprising a discharge tube, a high frequency application means, and a shield reciprocating along a fixed path. Illumination device for reading device. 2. The illumination device for a document reading device according to claim 1, wherein the high frequency applying means has a high frequency oscillation circuit, and a partition member is provided between the high frequency oscillation circuit and the discharge tube. .
Claims (1)
を照射する放電管と、 放電管外壁に接して、もしくは近くに設けられ
た電極と、 電極に高周波を印加するための高周波印加手段
と、 放電管と電極と高周波印加手段とを一体的に覆
い、発生する電磁波を遮蔽するシールドとを有す
ることを特徴とする原稿読み取り装置の照明装置
。 ２ 上記放電管と高周波印加手段との間に、放電
管からの光束を反射する反射板を有すると共にこ
の反射板で仕切られた放電管側のシールドの内壁
は反射性であることを特徴とする実用新案登録請
求の範囲第１項記載の原稿読み取り装置の照明装
置。 ３ 上記放電管は内壁に蛍光体が塗布されている
と共に、蛍光体が塗布されていないスリツト部を
有し、上記シールドはこのスリツト部と対向する
ところに光を通過させる開口部を有することを特
徴とする実用新案登録請求の範囲第１項又は第２
項のいずれかに記載の原稿読み取り装置の照明装
置。 ４ 上記原稿読み取り装置の照明装置はユニツト
構成であり、このユニツトが一定経路を往復動し
て原稿をスリツト露光することを特徴とする実用
新案登録請求の範囲第１項乃至第３項のいずれか
に記載の原稿読み取り装置の照明装置。 ５ 上記シールドは接地されていることを特徴と
する実用新案登録請求の範囲第１項乃至第４項の
いずれかに記載の原稿読み取り装置の照明装置。[Claims for Utility Model Registration] 1. A discharge tube that irradiates visible light by applying a high-frequency electromagnetic field, an electrode provided in contact with or near the outer wall of the discharge tube, and a method for applying high-frequency waves to the electrode. What is claimed is: 1. An illumination device for a document reading device, comprising: a high-frequency applying means; and a shield that integrally covers a discharge tube, an electrode, and the high-frequency applying means to shield generated electromagnetic waves. 2. A reflector plate is provided between the discharge tube and the high frequency application means to reflect the luminous flux from the discharge tube, and the inner wall of the shield on the discharge tube side partitioned by the reflector plate is reflective. An illumination device for a document reading device according to claim 1 of the utility model registration claim. 3. The discharge tube has an inner wall coated with a phosphor and has a slit portion not coated with the phosphor, and the shield has an opening opposite to the slit portion through which light passes. Featured utility model registration claim paragraph 1 or 2
An illumination device for a document reading device according to any one of paragraphs. 4. The illumination device of the document reading device has a unit configuration, and the unit reciprocates along a fixed path to expose the document to slit light. An illumination device for a document reading device described in . 5. An illumination device for a document reading device according to any one of claims 1 to 4, wherein the shield is grounded.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20174185U JPS62107355U (en) | 1985-12-25 | 1985-12-25 | |
| US07/279,235 US4922392A (en) | 1985-12-25 | 1988-11-29 | An original reading apparatus with shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20174185U JPS62107355U (en) | 1985-12-25 | 1985-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62107355U true JPS62107355U (en) | 1987-07-09 |
Family
ID=31165476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20174185U Pending JPS62107355U (en) | 1985-12-25 | 1985-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62107355U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199101A (en) * | 1981-06-03 | 1982-12-07 | Olympus Optical Co | Lamp house |
-
1985
- 1985-12-25 JP JP20174185U patent/JPS62107355U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199101A (en) * | 1981-06-03 | 1982-12-07 | Olympus Optical Co | Lamp house |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS581511B2 (en) | electrodeless fluorescent lamp | |
| KR100393787B1 (en) | The microwave lighting apparatus | |
| JPS62107355U (en) | ||
| JPH0745103A (en) | Lighting system, backlight and liquid crystal display device | |
| US3442582A (en) | Lamp arrangement for document scanning and modified lamp | |
| JPH10241427A (en) | Lamp reflector for gas discharge illumination | |
| JPS5628459A (en) | High frequency starting device | |
| JPS6196649A (en) | Electrodeless electric-discharge lamp | |
| JPH07105709A (en) | Lighting system, back light and liquid crystal display device | |
| JPS58100353A (en) | Micro-wave electric-discharge light source device | |
| JPS63338U (en) | ||
| JPS60136159A (en) | Electrodeless electric-discharge lamp | |
| JPH0713174Y2 (en) | Electrodeless discharge lamp device | |
| JPH0684507A (en) | Solenoid magnetic field type discharge lamp and lighting system using this lamp | |
| JPS5923613B2 (en) | High frequency discharge light source device | |
| JPS62208544A (en) | Non-electrode discharge lamp | |
| JPS60187454U (en) | Electrodeless discharge lamp device | |
| JPS6340802Y2 (en) | ||
| JP2691931B2 (en) | lighting equipment | |
| KR100748542B1 (en) | Plasma lighting system | |
| JPS6233163U (en) | ||
| JPS62172657A (en) | Electrodeless discharge lamp device | |
| JP2527867Y2 (en) | Lighting structure | |
| JPS63141506U (en) | ||
| JPS61176766U (en) |