JPH0226123Y2 - - Google Patents
Info
- Publication number
- JPH0226123Y2 JPH0226123Y2 JP12235981U JP12235981U JPH0226123Y2 JP H0226123 Y2 JPH0226123 Y2 JP H0226123Y2 JP 12235981 U JP12235981 U JP 12235981U JP 12235981 U JP12235981 U JP 12235981U JP H0226123 Y2 JPH0226123 Y2 JP H0226123Y2
- Authority
- JP
- Japan
- Prior art keywords
- side extension
- front plate
- display device
- fluorescent display
- board
- 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.)
- Expired
Links
- 239000004020 conductor Substances 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 21
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229920001940 conductive polymer Polymers 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 description 14
- 239000005060 rubber Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Description
【考案の詳細な説明】
本考案は、陽極基板に形成された発光表示部を
外囲器の前面板を介して観察するタイプのけい光
表示装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a type of fluorescent display device in which a light emitting display portion formed on an anode substrate is observed through a front plate of an envelope.
加熱されたフイラメント状の陰極から放出され
る電子を、上面にけい光体の被着された陽極部に
射突させて発光表示を行うけい光表示装置は、発
光色が良く、また低電圧駆動が可能で、低消費電
力であるなどの利点を有しており、各種の表示部
として多く用いられている。 Fluorescent display devices, which display light by emitting electrons from a heated filament-shaped cathode and strike an anode portion with a phosphor coated on the top surface, have good luminescent color and can be driven at low voltage. It has advantages such as low power consumption and is widely used in various display parts.
しかしながら従来のこの種けい光表示装置は、
第１図に示す構成とされているので、プリント基
板１０２との接続には両面配線のプリント基板１
０２を必要とし、コスト高となる問題点があると
ともに比較的広い取付場所を必要とし、スペース
フアクタが悪いという問題点があつた。すなわち
第１図に示す従来のけい光表示装置は、陽極基板
１０１の背面側が両面配線プリント基板１０２上
に載置固定され、陽極基板１０１上に被着された
配線導体１０３にリード端子１０４が接続されて
おり、このリード端子１０４が陽極基板１０１と
側面板１０５との封着部を貫通して外部に延出さ
れてプリント基板１０２との接続がなされてい
た。したがつて一般には両者の接続を確実に行う
ためにリード端子１０４の先端１０４ａはプリン
ト基板１０２のスルーホール部を貫通して他の素
子１０６が半田付けされる面とは逆の面で半田付
けされるようになるため、そのプリント基板１０
２として高価な両面配線プリント基板を使用せざ
るを得なかつた。また、そのけい光表示装置が取
り付けられる電子機器あるいは、電気機器の外筐
壁部１０７とプリント基板１０２との間は、けい
光表示装置の厚さと同程度の幅の取付け空間を必
要としその分だけ装置が大形化する、という問題
点があつた。 However, conventional fluorescent display devices of this type
Since the configuration shown in FIG. 1 is used, the printed circuit board 102 with double-sided wiring is
02, which has the problem of high cost, and requires a relatively large installation space, which has the problem of poor space factor. That is, in the conventional fluorescent display device shown in FIG. 1, the back side of an anode substrate 101 is mounted and fixed on a double-sided wiring printed circuit board 102, and lead terminals 104 are connected to wiring conductors 103 covered on the anode substrate 101. The lead terminal 104 penetrates the sealed portion between the anode substrate 101 and the side plate 105 and is extended to the outside to be connected to the printed circuit board 102. Therefore, in general, in order to ensure a reliable connection between the two, the tip 104a of the lead terminal 104 is passed through a through-hole portion of the printed circuit board 102 and soldered on the opposite side to the side to which other elements 106 are soldered. The printed circuit board 10
2, an expensive double-sided printed circuit board had to be used. Furthermore, between the outer casing wall 107 of the electronic device or electrical device to which the fluorescent display device is attached and the printed circuit board 102, an installation space with a width comparable to the thickness of the fluorescent display device is required. However, there was a problem in that the device became larger.
本考案は以上のような点に鑑みてなされたもの
であり、弾性を有する導電性材料、例えば導電性
ゴム等の導電性材料を用いて陽極基板側に形成さ
れた配線導体の外部との接続部を前面板側に移し
換えて、前面板側にプリント基板との電気的な接
続を行わせる端子部を構成することにより、けい
光表示装置とプリント基板との接続を容易に、か
つ確実なものとするとともに、スペースフアクタ
を改善することを目的とするものである。 The present invention has been developed in view of the above points, and is a method for connecting a wiring conductor formed on the anode substrate side to the outside using a conductive material having elasticity, such as a conductive material such as conductive rubber. By moving the terminal section to the front panel side and configuring the terminal section on the front panel side for electrical connection with the printed circuit board, the connection between the fluorescent display device and the printed circuit board can be easily and securely made. The purpose is to improve the space factor.
次に、本考案を図示の実施例について説明す
る。 Next, the present invention will be explained with reference to the illustrated embodiments.
第２図は本考案に係るけい光表示装置の第１の
実施例を示す背面側斜視図、第３図は同分解斜視
図、第４図はプリント基板に取り付けた状態にお
ける第２図の−線断面図、第５図は第１図の
−線断面図である。図中１は陽極基板であ
り、この陽極基板１は、ガラス等の絶縁性の基板
上に配線導体２と絶縁層３と、陽極部４を構成す
るセグメント陽極導体５ａ及びけい光体層５ｂと
が順次積設されて構成されている。上記陽極基板
１の陽極部４に対向する上方には、フイラメント
状陰極７が張架配設され、このフイラメント状陰
極７と陽極部４を囲むようにして、枠状に組まれ
た側面板８が陽極基板１上に固着されている。さ
らに、上記側面板８の上端縁には前面板９が封着
されており、この前面板９と前記側面板８及び陽
極基板１による外囲器内部は、ガス抜きされて高
真空状態とされている。また、前記陽極基板１の
一部は前記側面板８の外方に延長されて基板側延
長部６が形成されており、この基板側延長部６と
対向して上記前面板９の一部が側面板８の外方に
延長されて、前面板側延長部１０が形成されてい
る。上記基板側延長部６の前面板側延長部１０と
対向する面側には前記配線導体２の端部が側面板
８との封着部が貫通して延長されている接続導体
２ａが露出した状態で形成されており、また前面
板側延長部１０における基板側延長部６と対向す
る面には、上記接続導体２ａと同ピツチ間隔で導
体が被着されて端子部１１が形成されている。 FIG. 2 is a rear perspective view showing the first embodiment of the fluorescent display device according to the present invention, FIG. 3 is an exploded perspective view of the same, and FIG. 5 is a sectional view taken along the line -- of FIG. 1. In the figure, 1 is an anode substrate, and this anode substrate 1 has a wiring conductor 2, an insulating layer 3, a segment anode conductor 5a and a phosphor layer 5b constituting an anode part 4 on an insulating substrate such as glass. are constructed by stacking them one after another. A filament-shaped cathode 7 is suspended above the anode substrate 1 facing the anode part 4, and a side plate 8 assembled in a frame shape surrounds the filament-shaped cathode 7 and the anode part 4. It is fixed on the substrate 1. Further, a front plate 9 is sealed to the upper edge of the side plate 8, and the inside of the envelope formed by the front plate 9, the side plate 8, and the anode substrate 1 is degassed and brought into a high vacuum state. ing. Further, a part of the anode substrate 1 is extended outward from the side plate 8 to form a substrate side extension part 6, and a part of the front plate 9 is formed opposite to this substrate side extension part 6. A front plate side extension part 10 is formed by extending outward from the side plate 8. A connecting conductor 2a is exposed on the side of the board side extension part 6 facing the front plate side extension part 10, in which the end of the wiring conductor 2 is extended through the sealing part with the side plate 8. Further, on the surface of the front plate side extension part 10 facing the board side extension part 6, a terminal part 11 is formed by depositing a conductor at the same pitch spacing as the connection conductor 2a. .
しかして、上記基板側延長部６と前面側延長部
１０との間に、弾性導電材料としての導電性高分
子材料による接続材１２，１２が密着状に挿入さ
れている。この接続材１２としてこの実施例では
導電性ゴム１２ａと非導電性ゴム１２ｂが交互に
積層されて図示Ｙ方向にのみ導電性を有する構成
とされた材料を用いている。またここで導電性ゴ
ム１２ａの積層ピツチ間隔は上記接続導体２ａ及
び端子部１１のピツチ間隔に対応した間隔に設定
されている。この各導電性ゴム１２ａの図示Ｙ方
向の両端が上記接続導体２ａ及び端子部１１に圧
接されてそれぞれの対応する接続導体２ａと端子
部１１との電気的な接続が行われている。また、
この接続材１２の前面板側延長部１０と接する面
の幅W1は、その前面板側延長部１０の幅W2より
小とされており、それにより前面板側延長部１０
の一部、すなわち端子部１１の一部が露出され、
この露出された延長部１０が第３図に示すように
プリント基板１３の端子部と電気的に接続され
る。このプリント基板１３は、電子及び電気機器
の外筐壁部１４とで、上記前面板側延長部１０を
挟持するようにして固定されており、これにより
上記外筐壁部１４とプリント基板１３との間隔
は、前面板１０の厚さに等しい距離となるので外
筐に対するプリント基板１３の取付け空間が節約
できる。また、そのプリント基板１３には、けい
光表示装置の駆動回路を構成する素子１５が取り
付けられており、その素子１５の半田付けが行わ
れる面と、前記前面板側延長部１０の端子部１１
との接続が行われる面とが一致されているためそ
のプリント配線基板１３として片面配線のプリン
ト基板を用いることが可能となるものである。 Thus, connecting members 12, 12 made of a conductive polymer material as an elastic conductive material are inserted tightly between the substrate side extension part 6 and the front side extension part 10. In this embodiment, the connecting material 12 is made of a material in which conductive rubber 12a and non-conductive rubber 12b are alternately laminated to have conductivity only in the Y direction in the figure. Further, the stacking pitch of the conductive rubber 12a is set to correspond to the pitch of the connecting conductor 2a and the terminal portion 11. Both ends of each conductive rubber 12a in the Y direction in the drawing are pressed against the connecting conductor 2a and the terminal portion 11, thereby establishing an electrical connection between the corresponding connecting conductor 2a and the terminal portion 11. Also,
The width W 1 of the surface of this connecting member 12 in contact with the front plate side extension 10 is smaller than the width W 2 of the front plate side extension 10 , so that the front plate side extension 10
, that is, a part of the terminal portion 11 is exposed,
This exposed extension portion 10 is electrically connected to a terminal portion of a printed circuit board 13 as shown in FIG. The printed circuit board 13 is fixed to the outer casing wall 14 of the electronic and electrical equipment so that the front plate side extension 10 is sandwiched between the outer casing wall 14 and the printed circuit board 13. Since the distance is equal to the thickness of the front plate 10, the space for mounting the printed circuit board 13 to the outer casing can be saved. Further, an element 15 constituting a drive circuit of the fluorescent display device is attached to the printed circuit board 13, and the soldering surface of the element 15 and the terminal portion 11 of the front plate side extension 10 are attached to the printed circuit board 13.
Since the surfaces on which the connection is made are aligned with each other, it is possible to use a single-sided wiring printed circuit board as the printed wiring board 13.
こうして、前記陽極基板１の配線導体２は、接
続導体２ａと導電性ゴム１２ａ及び端子部１１を
介してプリント基板１３と電気的な接続が行われ
ている。 In this way, the wiring conductor 2 of the anode substrate 1 is electrically connected to the printed circuit board 13 via the connecting conductor 2a, the conductive rubber 12a, and the terminal portion 11.
上述した構成によるけい光表示装置を製作する
には、陽極基板１と枠状の側面板８と前面板９と
を重合させて封着した後、基板側延長部６と前面
板側延長部１０との間に、接続材１２を押し込
み、接続導体２ａ及び端子部１１の位置と導電性
ゴム１２ａの位置とを合せる。しかして、接続材
１２の弾性力により接続導体２ａと導電性ゴム１
２ａとの間、及び導電性ゴム１２ａと端子部１１
との間が密着されて確実な電気的接続が行われる
ことになる。しかも半田付けを必要とせず、接続
材１２を単に押し込むだけでよいのでその製造工
程はきわめて容易なものとなつている。なお、上
述したけい光表示装置は、その前面板側延長部１
０が外筐壁部１４とプリント基板１３との間に挟
持されて固定されるため、外筐壁部１４とプリン
ト基板１３との間の空隙が少なくて済み、それだ
け無駄な空間が省け、いわゆるスペースフアクタ
ーが非常に良いものとなつている。 In order to manufacture the fluorescent display device having the above-described configuration, after the anode substrate 1, the frame-shaped side plate 8, and the front plate 9 are superposed and sealed, the substrate side extension part 6 and the front plate side extension part 10 are bonded together. The connecting material 12 is pushed in between them, and the positions of the connecting conductor 2a and the terminal portion 11 are aligned with the position of the conductive rubber 12a. Therefore, due to the elastic force of the connecting material 12, the connecting conductor 2a and the conductive rubber 1
2a, and between the conductive rubber 12a and the terminal portion 11.
A reliable electrical connection is established by making close contact between the two. Moreover, the manufacturing process is extremely easy, as no soldering is required and the connecting material 12 can simply be pushed in. Note that the above-mentioned fluorescent display device has a front plate side extension part 1.
0 is sandwiched and fixed between the outer casing wall 14 and the printed circuit board 13, the gap between the outer casing wall 14 and the printed circuit board 13 can be reduced, and wasted space can be saved. The space factor is becoming very good.
次に、本考案に係るけい光表示装置の第２の実
施例を第６図の要部拡大図について説明する。な
お、その第２の実施例は、前述した第１の実施例
における前面板側延長部とプリント基板との接続
手段が異なるだけで他は第１の実施例と同様であ
るため、同様の箇所には同等の符号を付し、その
説明は省略する。図中２２は前記接続材１２と同
様の図示縦方向にのみ導電性を有する第２の接続
材であり、この第２の接続材２２は端子部１１と
プリント基板１３との間に挿入され、端子部１１
とプリント基板１３との電気的な接続がなされて
いる。また、この第２の接続材２２は接続材１２
と一体に形成し、その接続材２２の一部を端子部
と兼用させる構成とすることができる。このよう
に端子部１１とプリント基板１３との間に第２の
接続材２２を設けた構成とすれば、その接続作業
が簡易化するとともに、外的な歪が加えられても
その接続材２２の弾性により歪が吸収され、端子
部１１とプリント基板１３との接続状態は確実に
維持されて接触不良等の事故が避けられることに
なる。 Next, a second embodiment of the fluorescent display device according to the present invention will be described with reference to an enlarged view of the main part of FIG. 6. Note that the second embodiment is the same as the first embodiment except for the connecting means between the front plate side extension and the printed circuit board in the first embodiment described above, so the same parts are used. are given the same reference numerals and their explanations will be omitted. In the figure, 22 is a second connecting material that is conductive only in the vertical direction in the drawing, similar to the connecting material 12, and this second connecting material 22 is inserted between the terminal portion 11 and the printed circuit board 13. Terminal part 11
An electrical connection is made between the board 13 and the printed circuit board 13. Further, this second connecting material 22 is connected to the connecting material 12.
It can be formed integrally with the connecting member 22, and a part of the connecting member 22 can also be used as a terminal part. If the second connecting material 22 is provided between the terminal portion 11 and the printed circuit board 13 in this way, the connection work will be simplified, and even if external strain is applied, the second connecting material 22 will not be affected. The strain is absorbed by the elasticity of the terminal portion 11, and the connection state between the terminal portion 11 and the printed circuit board 13 is reliably maintained, thereby avoiding accidents such as poor contact.
なお、本考案は上述した各実施例に限定される
ものではなく、要旨を変更しない範囲で種々の態
様を取ることができ、例えば、前記接続材１２，
２２として非導電性ゴムの中に所定ピツチをもつ
て導電材、例えばカーボンやAg等の導電性粉末
を分散させる、あるいは導電性ワイヤ類を埋設し
て、所定の方向にのみ導電性をもたせた弾性導電
材料等を用いることができ、また、弾性をもたせ
るために用いるゴム材料としては天然及び合成の
ゴム材料、あるいはプラスチツク材料等を用いる
ことができる。 Note that the present invention is not limited to the above-mentioned embodiments, and can take various forms without changing the gist; for example, the connecting material 12,
22, a conductive material, such as conductive powder such as carbon or Ag, is dispersed at a predetermined pitch in non-conductive rubber, or conductive wires are buried to provide conductivity only in a predetermined direction. An elastic conductive material or the like can be used, and the rubber material used to impart elasticity can be a natural or synthetic rubber material, a plastic material, or the like.
以上説明したように本考案によれば、陽極基板
と前面板との間に挿入される導電性ゴム等の導電
性高分子材料と弾性材料からなる接続材を介し
て、陽極基板の配線導体と前面板に形成される端
子部との電気的な接続を行わせた構成としたの
で、前面板から直接プリント基板への接続が行え
る効果があり、これによりけい光表示装置とプリ
ント基板との接続が簡単かつ容易となるととも
に、断線事故のおそれがなく信頼性が向上する効
果がある。また、片面配線のプリント基板を用い
ることができることと、圧接による接続のため半
田付けの工程を省略できることから低コスト化を
図ることができる効果があり、さらに、前面板と
ほぼ連続状にプリント基板を接続することができ
ることからけい光表示装置を各種の機器に組み込
む際のスペースフアクターがよくなるという効果
がある。 As explained above, according to the present invention, the wiring conductor of the anode substrate is connected to the wiring conductor of the anode substrate via the connecting material made of a conductive polymer material such as conductive rubber and an elastic material inserted between the anode substrate and the front plate. Since the structure is configured to make an electrical connection with the terminal section formed on the front panel, it is possible to connect directly from the front panel to the printed circuit board, thereby making it possible to connect the fluorescent display device and the printed circuit board. This has the effect of not only making it simple and easy, but also improving reliability as there is no risk of wire breakage accidents. In addition, it is possible to use a printed circuit board with wiring on one side, and the soldering process can be omitted due to the connection by pressure welding, which has the effect of reducing costs. This has the effect of improving the space factor when incorporating the fluorescent display device into various devices.
第１図は従来のけい光表示装置を示す要部断面
図、第２図は本考案に係るけい光表示装置の第１
の実施例を示す背面側斜視図、第３図は同分解斜
視図、第４図はプリント基板に取り付けた状態に
おける第２図の−線断面図、第５図は第２図
の−線断面図、第６図は第２の実施例を示す
要部拡大断面図である。
１……陽極基板、２……配線導体、４……陽極
部、５ａ……セグメント陽極導体、５ｂ……けい
光体層、６……基板側延長部、７……陰極、８…
…側面板、９……前面板、１０……前面板側延長
部、１１……端子部、１２……接続材、１２ａ…
…導電性ゴム、１２ｂ……非導電性ゴム。
FIG. 1 is a cross-sectional view of a main part of a conventional fluorescent display device, and FIG. 2 is a first cross-sectional view of a fluorescent display device according to the present invention.
FIG. 3 is an exploded perspective view of the same, FIG. 4 is a sectional view taken along the line - - of FIG. 2 in a state where it is attached to a printed circuit board, and FIG. 6 are enlarged sectional views of essential parts showing the second embodiment. DESCRIPTION OF SYMBOLS 1... Anode substrate, 2... Wiring conductor, 4... Anode part, 5a... Segment anode conductor, 5b... Fluorescent layer, 6... Substrate side extension part, 7... Cathode, 8...
...Side plate, 9...Front plate, 10...Front plate side extension part, 11...Terminal part, 12...Connection material, 12a...
... Conductive rubber, 12b... Non-conductive rubber.
Claims (1)
囲器内を高真空状態に保持し、前記陽極基板上
には表面にけい光体層を被着させた複数の陽極
部を有し、陰極から放出される電子を加速制御
して前記けい光体に射突させて励起発光させる
ことにより表示を得るようにしたけい光表示装
置において、前記陽極基板の少なくとも一部が
前記側面板の外方に延長されて基板側延長部が
形成され、この基板側延長部と対向して前記前
面板の少なくとも一部が側面板の外方に延長さ
れ前面板側延長部が形成されており、上記基板
側延長部上には上記陽極基板の配線導体と電気
的に接続される接続導体が形成され、前面板側
延長部の基板側延長部と対向する面には端子部
が形成されており、この端子部と上記接続導体
との間には導電性材料を用いた弾性を有する接
続材が挿入されて対応する端子部と接続導体と
の電気的な接続が行われている構成になること
を特徴とするけい光表示装置。 (2) 前記接続材は弾性を有する導電性材料と非導
電性高分子材料が交互に積層されて構成されて
いる実用新案登録請求の範囲第一項記載による
けい光表示装置。 (3) 前記接続材は弾性を有する非導電性高分子材
料の中に導電材料が分散ないしは埋設されて部
分的に電気的な導電部分が構成されている実用
新案登録請求の範囲第一項記載によるけい光表
示装置。[Claims for Utility Model Registration] (1) The interior of an envelope consisting of an anode substrate, a side plate, and a front plate is maintained in a high vacuum state, and a phosphor layer is coated on the surface of the anode substrate. In the fluorescent display device, the fluorescent display device has a plurality of anode portions having a plurality of anodes, and obtains a display by controlling the acceleration of electrons emitted from the cathode so as to cause them to collide with the phosphor to cause the emitted light to be excited. At least a portion of the front plate is extended outwardly from the side plate to form a board-side extension portion, and opposite to the board-side extension portion, at least a portion of the front plate is extended outwardly from the side plate to form a front plate. A side extension is formed, a connecting conductor electrically connected to the wiring conductor of the anode board is formed on the board side extension, and a surface of the front plate side extension facing the board side extension is formed. A terminal portion is formed in the terminal portion, and an elastic connecting material made of a conductive material is inserted between the terminal portion and the connecting conductor to establish an electrical connection between the corresponding terminal portion and the connecting conductor. A fluorescent display device characterized in that it has a configuration in which the following steps are performed. (2) The fluorescent display device according to claim 1, wherein the connecting material is constructed by alternately laminating an elastic conductive material and a non-conductive polymer material. (3) The above-mentioned connecting material has a conductive material dispersed or buried in an elastic non-conductive polymer material to partially constitute an electrically conductive part, as stated in claim 1 of the utility model registration claim. Fluorescent display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12235981U JPS5828966U (en) | 1981-08-20 | 1981-08-20 | fluorescent display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12235981U JPS5828966U (en) | 1981-08-20 | 1981-08-20 | fluorescent display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5828966U JPS5828966U (en) | 1983-02-24 |
| JPH0226123Y2 true JPH0226123Y2 (en) | 1990-07-17 |
Family
ID=29916282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12235981U Granted JPS5828966U (en) | 1981-08-20 | 1981-08-20 | fluorescent display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5828966U (en) |
-
1981
- 1981-08-20 JP JP12235981U patent/JPS5828966U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5828966U (en) | 1983-02-24 |
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