JPH03130511U - - Google Patents
Info
- Publication number
- JPH03130511U JPH03130511U JP4371090U JP4371090U JPH03130511U JP H03130511 U JPH03130511 U JP H03130511U JP 4371090 U JP4371090 U JP 4371090U JP 4371090 U JP4371090 U JP 4371090U JP H03130511 U JPH03130511 U JP H03130511U
- Authority
- JP
- Japan
- Prior art keywords
- conductive material
- ultraviolet irradiation
- ultraviolet
- ground side
- tube
- 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
- 239000011521 glass Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000005286 illumination Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
Landscapes
- Details Of Measuring Devices (AREA)
- Details Of Measuring And Other Instruments (AREA)
- Instrument Panels (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
第１図はこの考案による車載用メータの断面説
明図、第２図は同メータの文字板とブラツクライ
ト管及びシールド板の配置関係を示す説明図、第
３図及び第４図はそれぞれシールド対策の他の例
を示す説明図、第５図は従来の車載用メータの断
面説明図、第６図は同回路図である。
１０……メータケース、１２……鉄板製文字板
、１４……ブラツクライト管、１６……表ガラス
、１８……アース線、２４……シールド板、２８
……鉄板製カバー。
Figure 1 is an explanatory cross-sectional view of the vehicle-mounted meter according to this invention, Figure 2 is an explanatory diagram showing the arrangement relationship between the meter's dial, blacklight tube, and shield plate, and Figures 3 and 4 are shielding measures, respectively. FIG. 5 is a cross-sectional explanatory diagram of a conventional vehicle-mounted meter, and FIG. 6 is a circuit diagram thereof. 10...Meter case, 12...Iron plate dial, 14...Black light tube, 16...Front glass, 18...Ground wire, 24...Shield plate, 28
...Iron plate cover.
Claims (1)
体を塗布した文字板と、この文字板に対向してメ
ータケースに配置された紫外線照射管とを備え、
前記紫外線照射管から照射される紫外線を暗光源
として前記表示用蛍光体を発光させる紫外線照射
照明式車載用計器において、高周波ノイズの発生
源に近接せしめて、導電材からなるシールド部材
を配置したことを特徴とする紫外線照射照明式車
載用計器。 (2) 文字板を導電材からなるシールド部材で構
成すると共に、紫外線照射管の前側に導電材から
なるシールド板を配置し、かつ前記文字板及びシ
ールド板をアース側に接続したことを特徴とする
請求項(1)に記載の紫外線照射照明式車載用計器
。 (3) 導電材からなるソケツト部シールド部材に
より、ブラツクライト管電極近傍の紫外線照射管
を取り付けるソケツト部を覆うと共に、このソケ
ツト部シールド部材をアース側に接続したことを
特徴とする請求項(1)に記載の紫外線照射照明式
車載用計器。 (4) 導電材からなるインバータ回路部シールド
部材により、紫外線照射管を点灯するインバータ
回路部を覆うと共に、このインバータ回路部シー
ルド部材をアース側に接続したことを特徴とする
請求項(1)に記載の紫外線照射照明式車載用計器
。 (5) メータケースの前面を覆う表ガラスに透明
度の高い導電材を塗布ないしは混入すると共に、
表ガラスをアース側に接続したことを特徴とする
請求項(1)に記載の紫外線照射照明式車載用計器
。 (6) メータケースの外周を、導電材からなるシ
ールド用カバーにより覆つたことを特徴とする請
求項(1)に記載の紫外線照射照明式車載用計器。[Scope of Claim for Utility Model Registration] (1) A dial plate installed in the meter case and coated with display phosphor on the surface, and an ultraviolet irradiation tube placed in the meter case opposite to this dial plate,
In the ultraviolet ray illumination type on-vehicle instrument that causes the display phosphor to emit light using ultraviolet rays emitted from the ultraviolet irradiation tube as a dark light source, a shield member made of a conductive material is arranged close to a source of high frequency noise. An ultraviolet irradiation illuminated in-vehicle instrument featuring: (2) The dial plate is composed of a shield member made of a conductive material, and a shield plate made of a conductive material is arranged in front of the ultraviolet irradiation tube, and the dial plate and the shield plate are connected to the ground side. The ultraviolet ray irradiation type vehicle-mounted instrument according to claim (1). (3) Claim (1) characterized in that the socket part shielding member made of a conductive material covers the socket part to which the ultraviolet irradiation tube is attached near the black light tube electrode, and the socket part shielding member is connected to the ground side. ). (4) According to claim (1), the inverter circuit shield member made of a conductive material covers the inverter circuit unit that lights the ultraviolet irradiation tube, and the inverter circuit shield member is connected to the ground side. The ultraviolet ray irradiation type vehicle-mounted instrument described above. (5) Coating or mixing highly transparent conductive material on the front glass of the meter case,
The ultraviolet irradiation type vehicle-mounted instrument according to claim 1, characterized in that the front glass is connected to the ground side. (6) The ultraviolet irradiation type vehicle-mounted meter according to claim (1), wherein the outer periphery of the meter case is covered with a shielding cover made of a conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4371090U JPH03130511U (en) | 1990-02-06 | 1990-04-24 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1015890 | 1990-02-06 | ||
| JP4371090U JPH03130511U (en) | 1990-02-06 | 1990-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03130511U true JPH03130511U (en) | 1991-12-27 |
Family
ID=31889783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4371090U Pending JPH03130511U (en) | 1990-02-06 | 1990-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03130511U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5024107A (en) * | 1972-09-07 | 1975-03-15 | ||
| JPS57106821A (en) * | 1980-12-24 | 1982-07-02 | Hitachi Ltd | Indicating instrument |
| JPS58143215A (en) * | 1982-02-19 | 1983-08-25 | Taiheiyo Kogyo Kk | Transparent window plate for shielding radio wave |
| JPS61239192A (en) * | 1985-04-16 | 1986-10-24 | セイコーインスツルメンツ株式会社 | Shielding case |
| JPS6210694B2 (en) * | 1983-03-05 | 1987-03-07 | Kuinraito Denshi Seiko Kk |
-
1990
- 1990-04-24 JP JP4371090U patent/JPH03130511U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5024107A (en) * | 1972-09-07 | 1975-03-15 | ||
| JPS57106821A (en) * | 1980-12-24 | 1982-07-02 | Hitachi Ltd | Indicating instrument |
| JPS58143215A (en) * | 1982-02-19 | 1983-08-25 | Taiheiyo Kogyo Kk | Transparent window plate for shielding radio wave |
| JPS6210694B2 (en) * | 1983-03-05 | 1987-03-07 | Kuinraito Denshi Seiko Kk | |
| JPS61239192A (en) * | 1985-04-16 | 1986-10-24 | セイコーインスツルメンツ株式会社 | Shielding case |
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