JPH0463023U - - Google Patents
Info
- Publication number
- JPH0463023U JPH0463023U JP10656490U JP10656490U JPH0463023U JP H0463023 U JPH0463023 U JP H0463023U JP 10656490 U JP10656490 U JP 10656490U JP 10656490 U JP10656490 U JP 10656490U JP H0463023 U JPH0463023 U JP H0463023U
- Authority
- JP
- Japan
- Prior art keywords
- pointer
- cathode tube
- electrodes
- cold cathode
- shaft
- 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 2
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Details Of Measuring Devices (AREA)
Description
第1図は本考案実施例の計器の指針装置を示す
断面図、第2図は同指針装置における接続部を示
す一部拡大断面図、第3図は同指針装置の斜視図
、第4図は実施例における冷陰極管の縦断面図、
第5図は同冷陰極管の平断面図、第6図は第4図
におけるB−B断面図およびC−C断面図、第7
図は実施例における駆動回路のブロツク図、第8
図は実施例におけるスペーサの他の例を示す図、
第9図は従来の計器の一例を示す図である。
1……冷陰極管、2……ホルダー、3,4……
導電板、5,6……ヒゲ玉、11,12……電極
、15……バルブ、51,61……ヒゲゼンマイ
。
Fig. 1 is a sectional view showing a pointer device of a meter according to an embodiment of the present invention, Fig. 2 is a partially enlarged sectional view showing a connection part in the pointer device, Fig. 3 is a perspective view of the pointer device, and Fig. 4 is a longitudinal cross-sectional view of a cold cathode tube in an example,
5 is a plan sectional view of the same cold cathode tube, FIG. 6 is a BB sectional view and a CC sectional view in FIG.
The figure is a block diagram of the drive circuit in the embodiment.
The figure shows another example of the spacer in the embodiment,
FIG. 9 is a diagram showing an example of a conventional meter. 1... cold cathode tube, 2... holder, 3, 4...
Conductive plate, 5, 6... hairspring, 11, 12... electrode, 15... bulb, 51, 61... hairspring.
Claims (1)
けられた指針を回動させるようにした計器の指針
装置であつて、 細長い中空棒状のバルブ内に該バルブの長手方
向に沿つて2本の電極を平行に配するとともに該
電極の端子を該バルブの端部から引き出した冷陰
極管からなる指針と、 前記指針軸に固定されて上記指針を該指針軸と
交差するように保持するとともに、前記冷陰極管
の端子に接続される導通部材を上記指針軸の周囲
に保持する指針保持部材と、 前記指針保持部材に保持された導通部材に電気
的に接続された通電手段とを備え、 上記通電手段を介して前記冷陰極管の電極に所
定周波数のパルス電圧を印加して該電極間に平面
状のグロー放電を断続的に発生させることにより
、該冷陰極管を発光させるようにしたことを特徴
とする計器の指針装置。[Scope of Claim for Utility Model Registration] A pointer device for an instrument in which a pointer attached to the pointer shaft is rotated using a pointer shaft of an internal device as a rotation axis, and the valve is installed in an elongated hollow rod-shaped valve. a pointer consisting of a cold cathode tube in which two electrodes are arranged parallel to each other along the longitudinal direction of the bulb and the terminals of the electrodes are drawn out from the end of the bulb; a pointer holding member that holds a conductive member connected to the terminal of the cold cathode tube so as to intersect with the pointer shaft, and a pointer holding member that holds a conductive member connected to the terminal of the cold cathode tube around the pointer shaft; A pulse voltage of a predetermined frequency is applied to the electrodes of the cold cathode tube through the current conducting means to intermittently generate a planar glow discharge between the electrodes. An instrument pointer device characterized by a cathode tube that emits light.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10656490U JPH0463023U (en) | 1990-10-12 | 1990-10-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10656490U JPH0463023U (en) | 1990-10-12 | 1990-10-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0463023U true JPH0463023U (en) | 1992-05-29 |
Family
ID=31852705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10656490U Pending JPH0463023U (en) | 1990-10-12 | 1990-10-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0463023U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01277718A (en) * | 1988-04-29 | 1989-11-08 | Nippon Denso Co Ltd | Indicator device of meter |
-
1990
- 1990-10-12 JP JP10656490U patent/JPH0463023U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01277718A (en) * | 1988-04-29 | 1989-11-08 | Nippon Denso Co Ltd | Indicator device of meter |
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