JPH0377016A - Display device using bar-like electric discharge lamp - Google Patents
Display device using bar-like electric discharge lampInfo
- Publication number
- JPH0377016A JPH0377016A JP1213036A JP21303689A JPH0377016A JP H0377016 A JPH0377016 A JP H0377016A JP 1213036 A JP1213036 A JP 1213036A JP 21303689 A JP21303689 A JP 21303689A JP H0377016 A JPH0377016 A JP H0377016A
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- bulb
- rotating shaft
- electric discharge
- display 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
- 239000011521 glass Substances 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 abstract description 2
- 229920003002 synthetic resin Polymers 0.000 abstract description 2
- 239000000057 synthetic resin Substances 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OOJYPCDXFPWXFL-UHFFFAOYSA-N [C].OC1=CC=CC=C1 Chemical compound [C].OC1=CC=CC=C1 OOJYPCDXFPWXFL-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Details Of Measuring Devices (AREA)
- Details Of Measuring And Other Instruments (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、細長い棒状をなす放電灯を表示針とし、この
放電灯を回動軸に取付けて一体に回動するように構成し
た表示装置に関する。[Detailed Description of the Invention] [Objective of the Invention] (Industrial Application Field) The present invention uses a discharge lamp in the form of a long and thin rod as an indicator needle, and the discharge lamp is attached to a rotating shaft so that the lamp rotates as a unit. The present invention relates to a display device configured to.
（従来の技術）
最近、電気機器や計測機器などの表示装置において、放
電灯を表示針として使用する試みがなされている。(Prior Art) Recently, attempts have been made to use discharge lamps as indicator hands in display devices for electrical equipment, measuring instruments, and the like.
すなわち、放電灯を内径が２ ｍｍ〜３ ｍｍ程度のき
わめて細い中空棒状をなす針状のバルブを用いて構成し
、この放電灯の一端を表示装置の表示回動輪の一端に取
付け、この回動軸が回動すれば放電灯も一体的に旋回さ
れるようにしたものである。That is, a discharge lamp is constructed using a needle-like bulb in the form of an extremely thin hollow rod with an inner diameter of about 2 mm to 3 mm, and one end of this discharge lamp is attached to one end of a display rotation wheel of a display device, and this rotation is When the shaft rotates, the discharge lamp is also rotated integrally.
このものは、放電灯が表示針の機能を奏し、しかも、こ
の放電灯を点灯させると表示針自身が発光するので表示
目盛を照らすようになり、他に格別な照明が不要になる
などの利点がある。This device has the advantage that the discharge lamp functions as the indicator needle, and when the discharge lamp is turned on, the indicator needle itself emits light, illuminating the display scale, eliminating the need for any other special lighting. There is.
このような表示装置の表示針として使用される放電灯は
、細長い中空棒状をなすバルブの内部に内部電極を設け
るとともに、このバルブの外表面に軸方向に沿って帯状
の外部電極を設け、これら内部電極と外部電極との間に
高周波電力を供給してバルブ内でグロー放電を発生させ
るようにし、小形で細長い形状に構成されているもので
ある。The discharge lamp used as the indicator needle of such a display device is provided with an internal electrode inside an elongated hollow rod-shaped bulb, and a band-shaped external electrode along the axial direction on the outer surface of this bulb. High-frequency power is supplied between the internal electrode and the external electrode to generate glow discharge within the bulb, and the bulb has a small and elongated shape.
（発明が解決しようとする課題）
しかしながら、上記のように表示針を兼用する放電灯を
、回動軸の一端に取付けて回動軸の回動にともなって放
電灯を旋回させるようにしたものは、放電灯が旋回する
ことによりこの放電灯に遠心力が作用し、放電灯が回動
軸から抜は出す心配がある。(Problem to be Solved by the Invention) However, as described above, a discharge lamp that also serves as an indicator needle is attached to one end of the rotating shaft, and the discharge lamp is rotated as the rotating shaft rotates. When the discharge lamp rotates, centrifugal force acts on the discharge lamp, and there is a risk that the discharge lamp may be pulled out from the rotating shaft.
本発明の目的は、回動軸の回動に伴う遠心力が発生して
も、放電灯が回動から抜は出すのを防止しようとするも
のである。An object of the present invention is to prevent the discharge lamp from being pulled out of the rotation even if centrifugal force is generated due to the rotation of the rotation shaft.
〔発明の構成コ
（課題を解決するための手段）
本発明は、放電灯のバルブ外表面に凹部を形成するとと
もに、上記回動軸の端部に挾持部を設け、この挟持部に
より上記凹部を挟持して上記放電灯を遠心力が加わって
もバルブ軸方向に移動不能に支持したことを特徴とする
。[Structure of the Invention (Means for Solving the Problems)] The present invention provides a concave portion on the outer surface of the bulb of a discharge lamp, a clamping portion at the end of the rotating shaft, and the clamping portion allowing the recess to be fixed. The discharge lamp is supported so as to be immovable in the bulb axis direction even if centrifugal force is applied.
（作 用）
本発明によると、回動軸に設けた挟持部が放電灯バルブ
に設けた凹部を挟持するから、遠心力で発生しても放電
灯は回動軸に移動不能に支持され、とって放電灯が回動
軸から抜は出る虞はない。(Function) According to the present invention, since the clamping part provided on the rotating shaft clamps the recessed part provided in the discharge lamp bulb, the discharge lamp is immovably supported on the rotating shaft even if centrifugal force is generated. There is no risk of the discharge lamp coming out from the rotating shaft.
（実施例）
以下、本発明について、第１図ないし第４図に示す第１
の実施例にもとづき説明する。(Example) Hereinafter, regarding the present invention, the first embodiment shown in FIGS. 1 to 4 will be described.
This will be explained based on an example.
図面はオーディオ機器等のメータに使用される表示装置
を示し、ｌは表示針となる放電灯である。The drawing shows a display device used in a meter for audio equipment, etc., where l is a discharge lamp serving as a display needle.
本実施例の放電灯１は冷陰極放電灯であり、この放電灯
ｌは細長い中空棒状のガラスバルブ２にて形成されてい
る。ガラスバルブ２は、例えば外径２．５ｍ＋ｓ、全長
６０ｍｍ程度であり、略針状に形成されている。The discharge lamp 1 of this embodiment is a cold cathode discharge lamp, and the discharge lamp 1 is formed of a glass bulb 2 in the shape of an elongated hollow rod. The glass bulb 2 has, for example, an outer diameter of 2.5 m+s, a total length of about 60 mm, and is formed into a substantially needle shape.
バルブ２の一端部には、内部電極として冷陰極３が封装
されており、この冷陰極３はバルブ２の封止端を気密に
貫通されたリード線４に接続されている。A cold cathode 3 is sealed as an internal electrode at one end of the bulb 2, and the cold cathode 3 is connected to a lead wire 4 that passes through the sealed end of the bulb 2 in an airtight manner.
バルブ２の内面にはけい光体被膜５が形成されており、
またこのバルブ２内にはキセノンまたはクリプトンの少
なくとも１種からなる放電ガスが５０ Ｌｏｒｒ以上封
入されている。A phosphor coating 5 is formed on the inner surface of the bulb 2.
Further, the bulb 2 is filled with 50 Lorr or more of a discharge gas made of at least one of xenon and krypton.
バルブ２の外表面には、軸方向に沿って帯状をなす外部
電極６が設けられている。この外部電極Ｂはカーボンフ
ェノールまたは銀エポキシなどのペーストを上記帯状を
なしてバルブ２の所定長さ部分に塗着し、これを焼成し
て構成されたものである。An external electrode 6 is provided on the outer surface of the bulb 2 in the form of a band along the axial direction. This external electrode B is constructed by applying a paste such as carbon phenol or silver epoxy in the form of a belt to a predetermined length of the bulb 2, and firing the paste.
バルブ２の外表面には遮光被膜７が形成されている。遮
光被膜７はバルブ２の上記外部電極６を設けた面に、こ
の外部電極６も覆って形成されており、この外部電極６
を設けた面と反対側の面には軸方向に伸びて遮光被膜７
を形成しない光透過のためのスリット部８が形成されて
いる。すなわち、バルブ２の外表面には第３図に断面し
て示すように、帯状をなす外部電極６゛が設げられてお
り、この外部電極６に対して１８０度対向した位置に遮
光被膜７を形成していないスリット部８が形成されてい
るものである。したがって、バルブ２内の光はスリット
部８のみを通じて外部に放出され、このためこの冷陰極
けい光ランプｌはアパーチャ形をなしているものである
。A light-shielding coating 7 is formed on the outer surface of the bulb 2. The light-shielding coating 7 is formed on the surface of the bulb 2 on which the external electrode 6 is provided, and also covers this external electrode 6.
A light-shielding coating 7 extends in the axial direction on the surface opposite to the surface provided with the light-shielding coating 7.
A slit portion 8 is formed for light transmission without forming a slit. That is, as shown in cross section in FIG. 3, a band-shaped external electrode 6' is provided on the outer surface of the bulb 2, and a light-shielding coating 7 is provided at a position 180 degrees opposite to this external electrode 6. In this case, a slit portion 8 is formed without forming a slit. Therefore, the light within the bulb 2 is emitted to the outside only through the slit portion 8, and therefore this cold cathode fluorescent lamp l has an aperture shape.
このようなバルブ２においては、内部電極３を封止した
端部側に近寄って、バルブ２の対向する２壁面を凹ませ
た凹部９が形成されている。In such a bulb 2, a recess 9 is formed by recessing two opposing wall surfaces of the bulb 2 near the end where the internal electrode 3 is sealed.
この凹部９の外表面には、受電端子１０が形成されてい
る。この受電端子ｌＯは、銀エポキシなどの導電性ペー
ストを塗付したものであり、前記外部電極６に接続され
ている。A power receiving terminal 10 is formed on the outer surface of this recess 9. This power receiving terminal IO is coated with a conductive paste such as silver epoxy, and is connected to the external electrode 6.
このように構成した冷陰極放電灯ｌは、回動軸２０に取
付けられる。回動軸２０は表示具合に応じて回転される
もので、この回動軸２０にはランプホルダ２１が取付け
られている。The cold cathode discharge lamp l configured in this manner is attached to the rotating shaft 20. The rotating shaft 20 is rotated depending on the display condition, and a lamp holder 21 is attached to the rotating shaft 20.
ランプホルダ２１は合成樹脂などのような電気絶縁材料
により断面略Ｕ字形に形成され、このランプホルダ２１
内には給電端子２２が固定されている。The lamp holder 21 is made of an electrically insulating material such as synthetic resin and has a substantially U-shaped cross section.
A power supply terminal 22 is fixed inside.
給電端子２２はリン青銅などのような導電性の板ばねか
らなり、連結片２３の両端に略Ｕ字形に屈曲した挟持片
２４．２５を一体に形成している。The power supply terminal 22 is made of a conductive leaf spring such as phosphor bronze, and has clamping pieces 24 and 25 bent into a substantially U-shape integrally formed at both ends of the connecting piece 23.
一方の挟持片２４は、第４図に示す通り、上記バルブ２
に形成した四部９を挟持するようになっているとともに
、他方の挟持片２５は、第３図に示す通り、上記四部９
よりもバルブ中央側のバルブ外面を挟持するようになっ
ている。As shown in FIG. 4, one clamping piece 24 holds the valve 2
The other clamping piece 25 is designed to clamp the four parts 9 formed in
It is designed to hold the outer surface of the valve closer to the center of the valve.
そして給電端子２２には、被覆コード（図示しない）が
接続されており、この被覆コードは回動軸２０の内部を
挿通されて図示しない高周波電源に接続されている。A coated cord (not shown) is connected to the power supply terminal 22, and this coated cord is passed through the rotating shaft 20 and connected to a high frequency power source (not shown).
したがって、冷陰極放電灯１は、その内部電極３を封装
した端部側を上記ランプホルダ２１に嵌合し、上記バル
ブ２に形成した凹部９を上記給電端子２２の一方の挟持
片２４に挟持させるとともに、この凹部９よりもバルブ
中央側を他方の挟持片２５に挟持させると、この放電灯
１は一端側が上記ランプホルダ２１を介して同動軸２０
に取付けられることになる。Therefore, in the cold cathode discharge lamp 1, the end portion where the internal electrode 3 is sealed is fitted into the lamp holder 21, and the recess 9 formed in the bulb 2 is held between one of the holding pieces 24 of the power supply terminal 22. At the same time, when the center side of the bulb is held between the other holding pieces 25 with respect to the concave portion 9, one end of the discharge lamp 1 is connected to the cooperating shaft 20 through the lamp holder 21.
It will be installed on.
この場合、凹部９の外表面には外部電極Ｂに接続された
受電端子１０を形成しであるので、この受電端子１０に
前記一方の挟持片２４が弾圧して接触することから外部
電極６は受電端子１０、給電端子２２および被覆コード
を介して電源に接続されることになる。In this case, since the power receiving terminal 10 connected to the external electrode B is formed on the outer surface of the recess 9, the one clamping piece 24 contacts the power receiving terminal 10 with pressure, so that the external electrode 6 It will be connected to a power source via the power receiving terminal 10, the power feeding terminal 22, and a covered cord.
このような構成による実施例の作用を説明する。The operation of the embodiment with such a configuration will be explained.
バルブ２の一端から導出されているリード線４と、回動
軸２０の内部を挿通されている被覆コードとの間に高周
波電力を印加すると、内部電極３と外部電極６の間でグ
ロー放電が発生される。When high frequency power is applied between the lead wire 4 led out from one end of the bulb 2 and the coated cord inserted inside the rotating shaft 20, glow discharge occurs between the internal electrode 3 and the external electrode 6. generated.
このグロー放電はけい光体被膜５を励起させて可視光を
発し、この光はスリット部８から外部に放出される。こ
のため、バルブ２か細いこと、およびこれに加えてスリ
ット部８がさらに細い光の帯を呈するので、この放電灯
ｌは極めて細く光り、表示針として表示目盛を差し示す
のに好適する。This glow discharge excites the phosphor coating 5 to emit visible light, which is emitted from the slit portion 8 to the outside. Therefore, since the bulb 2 is thin, and in addition to this, the slit portion 8 exhibits an even narrower band of light, the discharge lamp 1 emits extremely thin light and is suitable for pointing out the display scale as an indicator needle.
しかもこれ自身が光るから、他に格別な光源は不要とな
る。Moreover, since it shines by itself, there is no need for any other special light source.
そして、回動軸２０が回転すると、ランプホルダ２１に
支持された上記放電灯■も一体的に旋回される。この場
合、給電端子２２の一方の挟持片２４がバルブ２に形成
した凹部９を挟持しているので、遠心力により放電灯ｌ
が軸方向に飛び出すのを防止する。When the rotation shaft 20 rotates, the discharge lamp (2) supported by the lamp holder 21 is also rotated integrally. In this case, since one clamping piece 24 of the power supply terminal 22 clamps the recess 9 formed in the bulb 2, centrifugal force causes the discharge lamp to
prevents it from protruding in the axial direction.
しかも、放電灯ｌは給電端子２２に形成した互いに離間
した挟持片２４と２５とで軸方向に離間した２か所が挟
持されるから、中央部より端部側を支持するにも拘らず
ランプの支持強度の信頼性が向上する。Moreover, since the discharge lamp l is held in two places separated in the axial direction by the holding pieces 24 and 25 formed on the power supply terminal 22 and separated from each other, the lamp l is supported more in the end than in the center. The reliability of the support strength is improved.
なお、本発明は上記実施例の構成に制約されるものでは
ない。Note that the present invention is not limited to the configuration of the above embodiment.
すなわち、上記実施例では、四部９の外表面に外部電極
６と接続された導電性ペーストよりなる受電端子ｌＯを
形成したが、本発明は第５図に示す第２の実施例のよう
に、凹部３０の外表面に内部電極３に接続されたリード
線４を導き、このリード線４の先端を受電端子３１とし
てもよい。That is, in the above embodiment, the power receiving terminal IO made of conductive paste and connected to the external electrode 6 was formed on the outer surface of the fourth part 9, but the present invention has a power receiving terminal IO made of conductive paste connected to the external electrode 6. However, as in the second embodiment shown in FIG. A lead wire 4 connected to the internal electrode 3 may be guided to the outer surface of the recess 30, and the tip of the lead wire 4 may be used as the power receiving terminal 31.
この場合、この受電端子３１よりも軸方向に離れた箇所
に、外部電極８と接続された導電性ペーストからなる受
電端子３２を形成しておき、これら受電端子３１および
３２を互いに電気的に絶縁し、しかもそれぞれ電源に接
続された給電端子２２の挟持片２４と２５で挟持するよ
うにしてもよい。In this case, a power receiving terminal 32 made of conductive paste and connected to the external electrode 8 is formed at a location further away from the power receiving terminal 31 in the axial direction, and these power receiving terminals 31 and 32 are electrically insulated from each other. However, they may be held between the holding pieces 24 and 25 of the power supply terminals 22, which are respectively connected to a power source.
このようにしても一方の挟持片２４がバルブ２に形成し
た凹部３０を挟持しているので、遠心力により放電灯ｌ
が軸方向に抜は出すのを防止する。Even in this case, since one of the clamping pieces 24 clamps the recess 30 formed in the bulb 2, centrifugal force causes the discharge lamp to
prevents it from being pulled out in the axial direction.
また、本発明は、バルブ２の凹部９および３０に必ずし
も受電端子１Ｏ１３１を設けることには限らず、バルブ
２の抜は止め支持手段と、電源接続手段を別に構成して
もよい。Further, the present invention is not limited to providing the power receiving terminals 1O131 in the recesses 9 and 30 of the bulb 2, and the support means for preventing the bulb 2 from being pulled out and the power supply connection means may be configured separately.
すなわち、例えば第６図に示す第３の実施例のように、
絶縁材からなるランプホルダ２１に、バルブ２の凹部９
と係合する係合突起４０．４０を形成し、これら凹部９
と係合突起４０．４０の係合によりノくルブ２の抜は出
しを防止してもよい。That is, for example, as in the third embodiment shown in FIG.
The recess 9 of the bulb 2 is inserted into the lamp holder 21 made of an insulating material.
These recesses 9 form engaging projections 40, 40 that engage with the
The knob 2 may be prevented from being pulled out by the engagement of the engagement protrusions 40 and 40.
なお、この場合、バルブ２の端部外表面に、内部電極３
のリード線４と接続された導電性ペーストからなる受電
端子４１を形成するとともに、この受電端子４１から上
記凹部３０を挟んで軸方向に離れた箇所に、前記したよ
うに、外部電極６と接続された導電性ペーストからなる
受電端子４２を形成し、これら受電端子４１と４２にそ
れぞれ電源に接続された給電端子４３と４４を挟持して
電気的に接続するようにしである。In this case, an internal electrode 3 is provided on the outer surface of the end of the bulb 2.
A power receiving terminal 41 made of conductive paste is connected to the lead wire 4 of the power receiving terminal 41, and is connected to the external electrode 6 at a location apart from the power receiving terminal 41 in the axial direction across the recess 30, as described above. A power receiving terminal 42 made of a conductive paste is formed, and power feeding terminals 43 and 44 connected to a power source are sandwiched between these power receiving terminals 41 and 42 to be electrically connected.
さらに、本発明は電極は冷陰極タイプに限らず、熱陰極
タイプであってもよく、かつ山部電極はバルブの両端に
設けてもよい。Further, in the present invention, the electrode is not limited to a cold cathode type, but may be a hot cathode type, and the peak electrodes may be provided at both ends of the bulb.
そしてまた、放電灯は遮光波１！７やスリ・ント部８を
有するものに制約されるものではなく、単に細長いバル
ブで全体が発光するように構成してもよい。Further, the discharge lamp is not limited to having the light-shielding wave 1!7 or the slit portion 8, but may be configured so that the entire body emits light by simply using a long and thin bulb.
［発明の効果］
以上説明したように本発明によれば、回動軸に設けた挟
持部が放電灯のバルブに設けた四部を挟持したので、放
電灯が遠心力でバルブ他方向に移動することがなく、放
電灯が回動軸から抜は出る心配がない。[Effects of the Invention] As explained above, according to the present invention, the clamping part provided on the rotating shaft clamps the four parts provided in the bulb of the discharge lamp, so that the discharge lamp moves in the other direction of the bulb due to centrifugal force. There is no need to worry about the discharge lamp coming out from the rotating shaft.
第１図ないし第４図は本発明の第１の実施例を示し、第
１図は放電灯とメータ軸とを分解した斜視図、第２図は
放電灯の平面図、第３図は第１図中■−■線の断面図、
第４図は第１図中ＩＶ−ｒＶ線の断面図、第５図は本発
明の第２の実施例を示す放電灯と挟持片とを分解した斜
視図、第６図は本発明の第３の実施例を示す放電灯とメ
ータ軸とを分解した斜視図である。
■・・・冷陰極放電灯、２・・・バルブ、３・・・内部
電極、４・・・リード線、６・・・外部電極、７・・・
遮光被膜、８・・・スリット部、９，３０・・・凹部、
１０．３１．４１．４２・・・受電端子、２０・・・回
動軸、２１・・・ランプホルダ、２２、４３．４４・・
・給電端子、２４．２５・・・挟持片。1 to 4 show a first embodiment of the present invention, FIG. 1 is an exploded perspective view of a discharge lamp and a meter shaft, FIG. 2 is a plan view of the discharge lamp, and FIG. 3 is an exploded perspective view of a discharge lamp and a meter shaft. Cross-sectional view of line ■-■ in Figure 1,
4 is a sectional view taken along the line IV-rV in FIG. 1, FIG. 5 is an exploded perspective view of a discharge lamp and a clamping piece showing a second embodiment of the present invention, and FIG. FIG. 7 is an exploded perspective view of a discharge lamp and a meter shaft showing a third embodiment. ■... Cold cathode discharge lamp, 2... Bulb, 3... Internal electrode, 4... Lead wire, 6... External electrode, 7...
Light-shielding coating, 8... slit portion, 9, 30... recessed portion,
10.31.41.42... Power receiving terminal, 20... Rotating shaft, 21... Lamp holder, 22, 43.44...
- Power supply terminal, 24.25... clamping piece.
Claims (3)
動軸と交差して取付けた表示装置において、 上記放電灯のバルブの外表面に凹部を形成するとともに
、上記回動軸の端部に挟持部を設け、この挟持部により
上記バルブの凹部を挟持して上記放電灯をバルブの軸方
向に移動不能に支持したことを特徴とする棒状放電灯を
用いた表示装置。(1) In a display device in which an elongated rod-shaped discharge lamp is attached to the end of a rotating shaft so as to intersect with the rotating shaft, a recess is formed on the outer surface of the bulb of the discharge lamp, and the rotating shaft is A display device using a rod-shaped discharge lamp, characterized in that a clamping part is provided at an end of the lamp, and the clamping part clamps a recessed part of the bulb to support the discharge lamp so as not to be movable in the axial direction of the bulb.
部に内部電極を設けるとともに、このバルブの外表面に
軸方向に沿って帯状の外部電極を設け、かつこのバルブ
の軸方向に沿って帯状の光透過スリット部を設けたこと
を特徴とする第１の請求項に記載された棒状放電灯を用
いた表示装置。(2) The above-mentioned discharge lamp is provided with an internal electrode at the end of the bulb in the shape of an elongated hollow rod, and a band-shaped external electrode is provided along the axial direction on the outer surface of the bulb. A display device using a rod-shaped discharge lamp according to claim 1, further comprising a band-shaped light transmitting slit portion.
ることによりこの凹部の表面に受電端子を形成するとと
もに、上記挟持部を電源に接続された給電端子によって
形成し、この給電端子により上記凹部を挟持して上記放
電灯を軸方向に移動不能に支持するとともに電気的接続
をなしたことを特徴とする第２の請求項に記載された棒
状放電灯を用いた表示装置。(3) A power receiving terminal is formed on the surface of the recess by extending the external electrode to the surface of the recess, and the holding part is formed by a power supply terminal connected to a power source, and the power supply terminal is connected to the power supply terminal. 2. A display device using a rod-shaped discharge lamp according to claim 2, wherein the discharge lamp is supported immovably in the axial direction by sandwiching the recessed portion and is electrically connected to the discharge lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1213036A JPH0377016A (en) | 1989-08-21 | 1989-08-21 | Display device using bar-like electric discharge lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1213036A JPH0377016A (en) | 1989-08-21 | 1989-08-21 | Display device using bar-like electric discharge lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0377016A true JPH0377016A (en) | 1991-04-02 |
Family
ID=16632455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1213036A Pending JPH0377016A (en) | 1989-08-21 | 1989-08-21 | Display device using bar-like electric discharge lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0377016A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0656725U (en) * | 1992-11-19 | 1994-08-05 | 矢崎総業株式会社 | Vehicle display |
| JPH0686025U (en) * | 1993-05-24 | 1994-12-13 | 矢崎総業株式会社 | Guidelines for vehicle instruments |
| US5523922A (en) * | 1992-03-25 | 1996-06-04 | Nippondenso Co., Ltd. | Analog indicator with self-luminescent pointer |
| WO1997028424A1 (en) * | 1996-01-30 | 1997-08-07 | Durel Corporation | Analog display having electroluminescent pointer |
| US5821867A (en) * | 1995-12-08 | 1998-10-13 | Ford Motor Company | Transreflective instrument display |
| JP2002356087A (en) * | 2001-05-30 | 2002-12-10 | Pentel Corp | Writing utensil |
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 |
-
1989
- 1989-08-21 JP JP1213036A patent/JPH0377016A/en 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 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5523922A (en) * | 1992-03-25 | 1996-06-04 | Nippondenso Co., Ltd. | Analog indicator with self-luminescent pointer |
| JPH0656725U (en) * | 1992-11-19 | 1994-08-05 | 矢崎総業株式会社 | Vehicle display |
| JPH0686025U (en) * | 1993-05-24 | 1994-12-13 | 矢崎総業株式会社 | Guidelines for vehicle instruments |
| US5821867A (en) * | 1995-12-08 | 1998-10-13 | Ford Motor Company | Transreflective instrument display |
| WO1997028424A1 (en) * | 1996-01-30 | 1997-08-07 | Durel Corporation | Analog display having electroluminescent pointer |
| US5697322A (en) * | 1996-01-30 | 1997-12-16 | Durel Corporation | Analog display having electroluminescent pointer |
| JP2002356087A (en) * | 2001-05-30 | 2002-12-10 | Pentel Corp | Writing utensil |
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