JPH09180584A - Panel instrument - Google Patents

Panel instrument

Info

Publication number
JPH09180584A
JPH09180584A JP8164358A JP16435896A JPH09180584A JP H09180584 A JPH09180584 A JP H09180584A JP 8164358 A JP8164358 A JP 8164358A JP 16435896 A JP16435896 A JP 16435896A JP H09180584 A JPH09180584 A JP H09180584A
Authority
JP
Japan
Prior art keywords
panel
light guide
panel cover
key
circuit 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.)
Granted
Application number
JP8164358A
Other languages
Japanese (ja)
Other versions
JP3227092B2 (en
Inventor
Hiroshi Tamura
宏 田村
Shigeru Shibazaki
茂 柴崎
Minoru Murayama
穣 村山
孝幸 ▲はま▼田
Takayuki Hamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP16435896A priority Critical patent/JP3227092B2/en
Priority to US08/730,428 priority patent/US6020824A/en
Priority to KR1019960048984A priority patent/KR100274311B1/en
Publication of JPH09180584A publication Critical patent/JPH09180584A/en
Application granted granted Critical
Publication of JP3227092B2 publication Critical patent/JP3227092B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/04Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418Constructional details
    • G09F13/0422Reflectors
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/04Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14Arrangements of reflectors therein
    • G09F2013/145Arrangements of reflectors therein curved reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Casings For Electric Apparatus (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a panel instrument which enables the reduction of the number of part items, and the man-hours of assembly work. SOLUTION: A panel instrument is equipped with a printed board 10, on which LED elements 11 and key switches 12 are mounted, and a panel cover 20 on the rear face of which the printed board 10 is mounted so as to match each other in a face direction and in which light guide holes 21 arranged at positions facing to the LED elements 11 of the printed board 10 and guiding the light of the LED elements 11 to the surface thereof are provided. Further thereon, key tops 22 are formed at positions facing the key switches 12 of the printed board 10, and connection portions 23 coupled with the key tops 32 and having elasticity are formed.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、部品点数が削減で
き、組立工数が削減できるパネル計器に関するものであ
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel instrument which can reduce the number of parts and the number of assembling steps.

【0002】[0002]

【従来の技術】パネル計器、例えば、温度調節計は、パ
ネル面に数字などを表示し、パネル面で操作を行ってい
る。このような装置は、実開平3−124692号公
報,実開平6−45338号公報等に記載されている。
このような装置の断面図を図8に示す。1はプリント基
板で、キースイッチ2,LED3,LEDモジュール
4,5を実装している。スイッチ2には、キートップ2
aが取り付けられている。そして、LED3とLEDモ
ジュール4は、キートップ2aが取り付けられたキース
イッチ2とLEDモジュール8と高さが違い、高さを合
わせるため、スペーサ6により高さが調整される。7は
パネルカバーで、プリント基板1が裏面に取り付けら
れ、キースイッチ2,LED3,LEDモジュール4,
5に対応する部分に穴が設けられる。そして、パネルカ
バー7の前面は、パネルシート8により覆われている。
このパネルシート8は、LED3,LEDモジュール
4,5に対応する部分は透明になっている。
2. Description of the Related Art A panel instrument, for example, a temperature controller, displays a number or the like on the panel surface and operates on the panel surface. Such devices are described in, for example, Japanese Utility Model Publication No. 3-124692 and Japanese Utility Model Publication No. 6-45338.
A cross-sectional view of such a device is shown in FIG. Reference numeral 1 is a printed circuit board on which key switches 2, LEDs 3, LED modules 4 and 5 are mounted. Switch 2 has a key top 2
a is attached. The LED 3 and the LED module 4 have different heights from the key switch 2 to which the key top 2a is attached and the LED module 8, and the heights are adjusted by the spacer 6 in order to match the heights. 7 is a panel cover, the printed circuit board 1 is attached to the back surface, and the key switch 2, LED 3, LED module 4,
A hole is provided in a portion corresponding to 5. The front surface of the panel cover 7 is covered with the panel sheet 8.
The panel sheet 8 is transparent at the portions corresponding to the LEDs 3, LED modules 4 and 5.

【0003】[0003]

【発明が解決しようとする課題】このような構成の場
合、部品により高さが違うため、キートップやスペーサ
により高さ調整をする必要がある。そのため、部品点数
が多くなり、組立工数が多くなるという問題点があっ
た。
In the case of such a structure, since the height differs depending on the parts, it is necessary to adjust the height with the key tops or the spacers. Therefore, there is a problem that the number of parts increases and the number of assembling steps increases.

【0004】そこで、本発明の目的は、部品点数が削減
でき、組立工数が削減できるパネル計器を実現すること
にある。
Therefore, an object of the present invention is to realize a panel instrument which can reduce the number of parts and the number of assembling steps.

【0005】[0005]

【課題を解決するための手段】本発明は、LED素子と
キースイッチとを搭載するプリント基板と、このプリン
ト基板が裏面に面方向を合わせて装着され、プリント基
板のLED素子に対応する位置に配置され表面にLED
素子の光を導く導光穴を設け、プリント基板のキースイ
ッチに対応する位置にキートップを形成すると共に、こ
のキートップと結合し弾性を有する連結部を形成するパ
ネルカバーと、を具備することを特徴とするものであ
る。
The present invention is directed to a printed circuit board on which an LED element and a key switch are mounted, and the printed circuit board is mounted on the back surface so that the surface directions thereof are aligned with each other. LED placed on the surface
A panel cover which is provided with a light guide hole for guiding light of an element, forms a key top at a position corresponding to a key switch on a printed circuit board, and which forms an elastic connecting portion coupled with the key top. It is characterized by.

【0006】また、裏面から前面に光を導く導光穴を設
け、キートップを形成すると共に、このキートップと結
合し弾性を有する連結部を形成し、配線を形成するパネ
ルカバーを具備し、導光穴の裏面にLED素子を取り付
け、キートップが押されたときに接点作用をするスイッ
チ部材を設けたことを特徴とするものである。
Further, a light guide hole for guiding light from the rear surface to the front surface is provided to form a key top, and a panel cover for forming wiring is formed by forming an elastic connecting portion that is combined with the key top. An LED element is attached to the back surface of the light guide hole, and a switch member that acts as a contact when the key top is pressed is provided.

【0007】このような本発明では、パネルカバーに導
光穴,キートップ,連結部を形成したので、スペーサや
別部品のキートップを取り付ける工数が必要なくなる。
According to the present invention as described above, since the light guide hole, the key top and the connecting portion are formed in the panel cover, the number of steps for attaching the spacer or the key top as a separate component is not necessary.

【0008】[0008]

【発明の実施の形態】以下図面を用いて本発明を説明す
る。図1,2は本発明の一実施の形態を示した構成図で
ある。図1は斜視図、図2は断面概略図である。図にお
いて、10はプリント基板で、LED素子11とキース
イッチ12とを搭載する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. 1 and 2 are configuration diagrams showing an embodiment of the present invention. 1 is a perspective view and FIG. 2 is a schematic cross-sectional view. In the figure, 10 is a printed circuit board on which an LED element 11 and a key switch 12 are mounted.

【0009】20はパネルカバーで、プリント基板10
が裏面に面方向を合わせて装着され、爪部20aにより
固定される。パネルカバー20は、プリント基板10の
LED素子11に対応する位置に配置され表面にLED
素子11の光を導く導光穴21を設ける。そして、プリ
ント基板10のキースイッチ12に対応する位置にキー
トップ22を形成すると共に、このキートップ22と結
合し弾性を有する連結部23を形成する。30はパネル
シートで、パネルカバー20の前面に貼られる。そし
て、パネルシート30の例を図3に示す。ここで、図3
に示すパネルシート30は、実際に使用される例を示し
たので、図1,2に示したパネルカバー20と対応して
いない。
Reference numeral 20 denotes a panel cover, which is a printed circuit board 10.
Is attached to the back surface in the same plane direction and is fixed by the claw portion 20a. The panel cover 20 is arranged at a position corresponding to the LED element 11 of the printed circuit board 10 and has an LED on the surface.
A light guide hole 21 for guiding the light of the element 11 is provided. Then, the key top 22 is formed at a position corresponding to the key switch 12 on the printed circuit board 10, and at the same time, an elastic connecting portion 23 that is coupled to the key top 22 is formed. A panel sheet 30 is attached to the front surface of the panel cover 20. An example of the panel sheet 30 is shown in FIG. Here, FIG.
Since the panel sheet 30 shown in FIG. 2 shows an example of being actually used, it does not correspond to the panel cover 20 shown in FIGS.

【0010】このような装置の組立動作を以下で説明す
る。プリント基板10にLED素子11とキースイッチ
12を実装する。そして、プリント基板10をパネルカ
バー20の裏面に取り付ける。これにより、爪部20a
により、プリント基板10はパネルカバー20に固定さ
れる。最後に、パネルシート30をパネルカバー20の
前面に貼る。
The assembly operation of such a device will be described below. The LED element 11 and the key switch 12 are mounted on the printed circuit board 10. Then, the printed circuit board 10 is attached to the back surface of the panel cover 20. Thereby, the claw portion 20a
Thus, the printed circuit board 10 is fixed to the panel cover 20. Finally, the panel sheet 30 is attached to the front surface of the panel cover 20.

【0011】次に、本発明の第2の実施の形態を図4に
示し以下で説明する。図において、40はパネルカバー
で、裏面から前面に光を導く導光穴41を設け、キート
ップ42を形成すると共に、キートップ42と結合し弾
性を有する連結部43を形成し、配線(図示せず)を形
成する。そして、パネルカバー40は、裏面にキートッ
プ42に対応する位置に穴部44を有している。50は
LED素子で、パネルカバー40の裏面側から導光穴4
1に取り付ける。60はスイッチ部材で、パネルカバー
40の裏面側から穴部44に取り付けられ、キートップ
42が押されたときに接点作用をする。70はパネルシ
ートで、パネルカバー40の前面に貼られる。ここで、
パネルカバー40に形成される配線は、図1,2に示さ
れるプリント基板10の配線とほぼ同様な目的をもって
形成される。
Next, a second embodiment of the present invention is shown in FIG. 4 and described below. In the figure, reference numeral 40 denotes a panel cover, which is provided with a light guide hole 41 for guiding light from the back surface to the front surface to form a key top 42, and a connecting portion 43 which is elastically coupled to the key top 42 and is formed by wiring (see FIG. (Not shown). The panel cover 40 has a hole 44 on the back surface at a position corresponding to the key top 42. Reference numeral 50 denotes an LED element, which is a light guiding hole 4
Attach to 1. A switch member 60 is attached to the hole 44 from the back surface side of the panel cover 40 and acts as a contact when the key top 42 is pressed. A panel sheet 70 is attached to the front surface of the panel cover 40. here,
The wiring formed on the panel cover 40 is formed for the same purpose as the wiring of the printed circuit board 10 shown in FIGS.

【0012】このような装置の組立動作を説明する。パ
ネルカバー40に裏面からLED素子50とスイッチ部
材60とをそれぞれ導光穴41,穴部44に取り付け
る。そして、パネルシート70をパネルカバー40の前
面に貼る。
The assembling operation of such an apparatus will be described. The LED element 50 and the switch member 60 are attached to the light guide hole 41 and the hole portion 44 from the back surface of the panel cover 40, respectively. Then, the panel sheet 70 is attached to the front surface of the panel cover 40.

【0013】以上のような装置は以下のような効果があ
る。 パネルカバー20(40)に導光穴21(41),キ
ートップ22(42),連結部23(43)を形成した
ので、スペーサや別部品のキートップを取り付ける工数
が必要なくなる。また、これにより、図1,2に示す装
置においては、プリント基板10の実装の自動化率を高
めることができる。
The above device has the following effects. Since the light guide hole 21 (41), the key top 22 (42), and the connecting portion 23 (43) are formed in the panel cover 20 (40), the number of steps for attaching a spacer or a key top as a separate component is not necessary. In addition, as a result, in the device shown in FIGS. 1 and 2, the automation rate of mounting the printed circuit board 10 can be increased.

【0014】LEDモジュールは、図5に示されるよ
うに、表示文字以外に無駄なスペース(斜線部)があっ
た。そこで、導光穴21(41)をパネルカバー20
(40)に形成したので、無駄なスペースが無くなり、
従来と同じ大きさのパネル計器でも、表示文字は大きく
することができ、パネル計器の表示文字等の視認性がよ
くなる。 パネルカバー20(40)の導光穴21(41)によ
りLED素子11(50)の光を導いているので、LE
D素子11(50)の周りに空間ができるため、LED
素子11(50)の温度上昇を防止することができる。
また、これによりLED素子11(50)の寿命を延ば
すことができる。
As shown in FIG. 5, the LED module had a useless space (hatched portion) other than the displayed characters. Therefore, the light guide hole 21 (41) is formed in the panel cover 20.
Since it is formed in (40), there is no wasted space,
Even if the panel instrument has the same size as the conventional one, the displayed characters can be made large, and the visibility of the displayed characters on the panel instrument can be improved. Since the light of the LED element 11 (50) is guided by the light guide hole 21 (41) of the panel cover 20 (40), LE
Since there is a space around the D element 11 (50), the LED
It is possible to prevent the temperature rise of the element 11 (50).
Further, this can extend the life of the LED element 11 (50).

【0015】なお、本発明はこれに限定されるものでは
なく、連結部の弾性が同じ構成を示したが、連結部の幅
を変えることにより弾性を変えて、スイッチごとに操作
力を変える構成にしてもよい。このように構成すれば、
非常停止スイッチ等の連結部の弾性を強くすれば、簡単
にスイッチが押されることがないので、誤操作を防止す
ることができる。また、図4に示す装置において、スイ
ッチ部材は接点作用をするものであればよく、キースイ
ッチあるいはパネルカバーに設けられる配線パターンに
してもよい。
The present invention is not limited to this, but the elasticity of the connecting portion is the same, but the elasticity is changed by changing the width of the connecting portion, and the operating force is changed for each switch. You may With this configuration,
If the elasticity of the connecting portion such as the emergency stop switch is strengthened, the switch will not be easily pushed, so that an erroneous operation can be prevented. Further, in the device shown in FIG. 4, the switch member has only to have a contact function, and may be a wiring pattern provided on the key switch or the panel cover.

【0016】そして、図1に示す装置の導光穴31を分
離する構成でもよい。つまり、図6,7に示す構成にす
る。図において、穴31aは、LED素子21に対向す
る位置に、パネルカバー30に貫通して設けられる。導
光部材34は、板部材34a,凸部材34b,突起部3
4c,位置決め部材34dからなる。凸部材34bは、
板部材34aに取り付けられ、LED素子21の光をパ
ネルカバー30の前面に導く導光穴34eを有し、穴3
1aに嵌められる。突起部34cは、穴31aの貫通方
向に沿って凸部材34bに設けられる。位置決め部材3
4dは、導光部材34のパネルカバー30に対する位置
を決める。なお、この位置決め部材34dは図7に示し
ていない。
The light guide hole 31 of the apparatus shown in FIG. 1 may be separated. That is, the configuration shown in FIGS. In the figure, a hole 31 a is provided at a position facing the LED element 21 so as to penetrate the panel cover 30. The light guide member 34 includes a plate member 34a, a convex member 34b, and a protrusion 3
4c and a positioning member 34d. The convex member 34b is
The light guide hole 34e attached to the plate member 34a for guiding the light of the LED element 21 to the front surface of the panel cover 30 is provided.
1a is fitted. The protrusion 34c is provided on the convex member 34b along the penetrating direction of the hole 31a. Positioning member 3
4d determines the position of the light guide member 34 with respect to the panel cover 30. The positioning member 34d is not shown in FIG.

【0017】このような装置の組立動作を図7を用いて
以下に説明する。導光部材34eの凸部材34bを穴3
1aに挿入する。突起部34cが穴31aに挿入される
ことにより変形し、導光部材34eが穴31aに固定さ
れる。その他の組立動作は、図1に示す装置と同様なた
め説明を省略する。このように導光穴を分離可能とする
と、パネルカバー30の色を自由に選ぶことができる。
つまり、パネルカバー30の色を例えば、黒のような光
の反射率が悪い色を選んだとしても、導光部材34を例
えば白色などの反射率の高い色にすれば、LED素子2
1からの光の反射率を低下させないので、表示が見にく
くなることがない。また、導光部材34をノリル材料に
すれば、光の遮蔽効果を高めることができる。
The assembling operation of such an apparatus will be described below with reference to FIG. The convex member 34b of the light guide member 34e is provided with the hole 3
Insert into 1a. The protrusion 34c is deformed by being inserted into the hole 31a, and the light guide member 34e is fixed in the hole 31a. Other assembling operations are similar to those of the apparatus shown in FIG. If the light guide holes can be separated in this way, the color of the panel cover 30 can be freely selected.
That is, even if the color of the panel cover 30 having a low reflectance such as black is selected, if the light guide member 34 is made into a color having a high reflectance such as white, the LED element 2 can be obtained.
Since the reflectance of the light from No. 1 is not reduced, the display is not difficult to see. Moreover, if the light guide member 34 is made of a noryl material, the light shielding effect can be enhanced.

【0018】[0018]

【発明の効果】本発明によれば、以下のような効果があ
る。 パネルカバーに導光穴,キートップ,連結部を形成し
たので、スペーサや別部品のキートップを取り付ける工
数が必要なくなる。
The present invention has the following effects. Since the light guide holes, key tops, and connecting parts are formed on the panel cover, the man-hours for mounting the spacers and the key tops as separate parts are not required.

【0019】導光穴をパネルカバーに形成したので、
無駄なスペースが無くなり、従来と同じ大きさのパネル
計器でも、表示文字は大きくすることができ、パネル計
器の表示文字等の視認性がよくなる。 パネルカバーの導光穴によりLED素子の光を導いて
いるので、LED素子の周りに空間ができるため、LE
D素子の温度上昇を防止することができる。また、これ
によりLED素子の寿命を延ばすことができる。
Since the light guide hole is formed in the panel cover,
There is no wasted space, and even with a panel instrument of the same size as the conventional one, the displayed characters can be enlarged, and the visibility of the displayed characters on the panel instrument is improved. Since the light from the LED element is guided by the light guide hole of the panel cover, there is a space around the LED element.
It is possible to prevent the temperature rise of the D element. Moreover, this can extend the life of the LED element.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施の形態を示した構成斜視図であ
る。
FIG. 1 is a configuration perspective view showing an embodiment of the present invention.

【図2】本発明の一実施の形態を示した断面構成概略図
である。
FIG. 2 is a schematic cross-sectional configuration diagram showing an embodiment of the present invention.

【図3】パネルシート30の例を示した構成図である。FIG. 3 is a configuration diagram showing an example of a panel sheet 30.

【図4】本発明の第2の実施の形態を示した構成図であ
る。
FIG. 4 is a configuration diagram showing a second exemplary embodiment of the present invention.

【図5】LEDモジュールを示した構成図である。FIG. 5 is a configuration diagram showing an LED module.

【図6】本発明の第3の実施の形態を示した構成図であ
る。
FIG. 6 is a configuration diagram showing a third exemplary embodiment of the present invention.

【図7】図6の装置の組立動作を説明する図である。FIG. 7 is a diagram illustrating an assembling operation of the device of FIG.

【図8】従来のパネル計器の構成を示した断面図であ
る。
FIG. 8 is a sectional view showing a configuration of a conventional panel instrument.

【符号の説明】[Explanation of symbols]

10 プリント基板 11,50 LED素子 12 キースイッチ 20,40 パネルカバー 21,34e,41 導光穴 22,42 キートップ 23,43 連結部 34 導光部材 60 スイッチ部材 10 Printed circuit board 11,50 LED element 12 Key switch 20,40 Panel cover 21,34e, 41 Light guide hole 22,42 Key top 23,43 Connection part 34 Light guide member 60 Switch member

フロントページの続き (72)発明者 ▲はま▼田 孝幸 東京都武蔵野市中町2丁目9番32号 横河 電機株式会社内Front Page Continuation (72) Inventor ▲ Hama ▼ Takayuki Tada 2-9-32 Nakamachi, Musashino City, Tokyo Yokogawa Electric Co., Ltd.

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 LED素子とキースイッチとを搭載する
プリント基板と、 このプリント基板が裏面に面方向を合わせて装着され、
プリント基板のLED素子に対応する位置に配置され表
面にLED素子の光を導く導光穴を設け、プリント基板
のキースイッチに対応する位置にキートップを形成する
と共に、このキートップと結合し弾性を有する連結部を
形成するパネルカバーと、を具備することを特徴とする
パネル計器。
1. A printed circuit board on which an LED element and a key switch are mounted, and the printed circuit board is mounted on the back surface so that their surface directions are aligned with each other.
A light guide hole for guiding the light of the LED element is provided on the surface corresponding to the LED element of the printed circuit board, and a key top is formed at a position corresponding to the key switch of the printed circuit board. And a panel cover that forms a connecting portion having a panel instrument.
【請求項2】 裏面から前面に光を導く導光穴を設け、
キートップを形成すると共に、このキートップと結合し
弾性を有する連結部を形成し、配線を形成するパネルカ
バーを具備し、導光穴の裏面にLED素子を取り付け、
キートップが押されたときに接点作用をするスイッチ部
材を設けたことを特徴とするパネル計器。
2. A light guide hole for guiding light from the back surface to the front surface is provided,
A key cover is formed, a connecting portion having elasticity is formed to be combined with the key top, and a panel cover for forming wiring is provided, and an LED element is attached to the back surface of the light guide hole.
A panel instrument having a switch member that acts as a contact when a key top is pressed.
【請求項3】パネルカバーから導光穴を有する導光部材
を取り外し可能に構成したことを特徴とする請求項1あ
るいは2記載のパネル計器。
3. A panel instrument according to claim 1, wherein the light guide member having the light guide hole is detachable from the panel cover.
JP16435896A 1995-10-27 1996-06-25 Panel instrument Expired - Lifetime JP3227092B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP16435896A JP3227092B2 (en) 1995-10-27 1996-06-25 Panel instrument
US08/730,428 US6020824A (en) 1995-10-27 1996-10-15 Panel instrument
KR1019960048984A KR100274311B1 (en) 1995-10-27 1996-10-28 Panel instrument

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP28042195 1995-10-27
JP7-280421 1995-10-27
JP16435896A JP3227092B2 (en) 1995-10-27 1996-06-25 Panel instrument

Publications (2)

Publication Number Publication Date
JPH09180584A true JPH09180584A (en) 1997-07-11
JP3227092B2 JP3227092B2 (en) 2001-11-12

Family

ID=26489486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16435896A Expired - Lifetime JP3227092B2 (en) 1995-10-27 1996-06-25 Panel instrument

Country Status (1)

Country Link
JP (1) JP3227092B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6653798B2 (en) 2000-09-29 2003-11-25 Aerospace Optics, Inc. Voltage dimmable LED display producing multiple colors
US6737814B2 (en) 2000-09-29 2004-05-18 Aerospace Optics, Inc. Enhanced trim resolution voltage-controlled dimming LED driver
JP2008159384A (en) * 2006-12-22 2008-07-10 Chino Corp Front structure of apparatus
US7906915B2 (en) 2008-04-19 2011-03-15 Aerospace Optics, Inc. Enhanced trim resolution voltage-controlled dimming LED driving circuit
JP2016127509A (en) * 2015-01-07 2016-07-11 サンデンホールディングス株式会社 Radio communication device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6653798B2 (en) 2000-09-29 2003-11-25 Aerospace Optics, Inc. Voltage dimmable LED display producing multiple colors
US6737814B2 (en) 2000-09-29 2004-05-18 Aerospace Optics, Inc. Enhanced trim resolution voltage-controlled dimming LED driver
WO2003024157A3 (en) * 2001-09-07 2004-05-27 Aerospace Optics Inc Voltage dimmable led display producing multiple colors
JP2008159384A (en) * 2006-12-22 2008-07-10 Chino Corp Front structure of apparatus
US7906915B2 (en) 2008-04-19 2011-03-15 Aerospace Optics, Inc. Enhanced trim resolution voltage-controlled dimming LED driving circuit
JP2016127509A (en) * 2015-01-07 2016-07-11 サンデンホールディングス株式会社 Radio communication device

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