JPH0258308A - Variable resistor for high voltage - Google Patents
Variable resistor for high voltageInfo
- Publication number
- JPH0258308A JPH0258308A JP20989788A JP20989788A JPH0258308A JP H0258308 A JPH0258308 A JP H0258308A JP 20989788 A JP20989788 A JP 20989788A JP 20989788 A JP20989788 A JP 20989788A JP H0258308 A JPH0258308 A JP H0258308A
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- terminal
- capacitor
- variable resistor
- terminal electrode
- 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
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims description 33
- 239000002184 metal Substances 0.000 abstract description 12
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Details Of Television Scanning (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、ＴＶ受像機のフォーカス回路の電圧調節等に
用いられる高圧用可変抵抗器に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a high-voltage variable resistor used for voltage adjustment of a focus circuit of a TV receiver.
［従来技術］
従来、この種の高圧用可変抵抗器は第７図および第８図
に示すように構成されている。第７図は高圧用可変抵抗
器の斜視図、第８図は第７図のＡ−Ａ’線における断面
図である。これらの図において、４１はアルミナ磁器等
のセラミック材料からなる矩形試の絶縁基板であり、詳
しくは第９図のように構成されている。つまり、この絶
縁基板４１の一表面に固定抵抗器の抵抗体部を形成する
蛇行状の皮膜抵抗体４２．４３と、可変抵抗器の抵抗体
部を形成する馬蹄形の皮膜抵抗体４４とが一体に連設さ
れるとともに、馬蹄形の皮膜抵抗体４４で囲まれた中心
部に中心電極４５が設けられ、この中心電極４５に接続
して固定抵抗器の抵抗体部を形成する皮膜抵抗体４６が
設けられたものである。４７．４８．４９は皮膜抵抗体
４２．４３．４６の端部にそれらと接続して設けられた
端子？ａ極であり、それぞれの端子電極の略中心部の絶
縁基板４１に通孔５１．５２．５３が形成されている。[Prior Art] Conventionally, this type of high-voltage variable resistor has been constructed as shown in FIGS. 7 and 8. FIG. 7 is a perspective view of the high voltage variable resistor, and FIG. 8 is a sectional view taken along the line AA' in FIG. 7. In these figures, numeral 41 is a rectangular insulating substrate made of a ceramic material such as alumina porcelain, and is constructed as shown in FIG. 9 in detail. That is, on one surface of this insulating substrate 41, a meandering film resistor 42, 43 forming a resistor part of a fixed resistor and a horseshoe-shaped film resistor 44 forming a resistor part of a variable resistor are integrated. A center electrode 45 is provided at the center surrounded by a horseshoe-shaped film resistor 44, and a film resistor 46 is connected to the center electrode 45 to form a resistor portion of the fixed resistor. It has been established. 47, 48, and 49 are terminals provided at the ends of the film resistors 42, 43, and 46 to connect them. It is an a-pole, and through holes 51, 52, and 53 are formed in the insulating substrate 41 approximately at the center of each terminal electrode.
また、絶縁基板４１の表面に皮膜抵抗体とは独立した端
子電極５５が設けられており、その略中心部の絶縁基板
１に通孔５６が形成されている。Further, a terminal electrode 55 independent of the film resistor is provided on the surface of the insulating substrate 41, and a through hole 56 is formed in the insulating substrate 1 at approximately the center thereof.
５７．５８．５９．６０は絶縁基＋Ｆｉ４１の通孔５１
．５２．５３．５６にそれぞれ挿通され、絶縁基板４１
の地表面に設けられた金属端子である。57.58.59.60 is the insulating base + Fi41 through hole 51
．． 52, 53, and 56 respectively, and the insulating substrate 41
It is a metal terminal installed on the ground surface.
６１は金属端子５９．６０間に取付けられたコンデンサ
である。６２は一面開口状の樹脂からなる絶縁ケースで
あり、前記絶縁基板４１がその皮膜抵抗体および端子電
極の設けられた而をケース内底面に対向させて配設され
、接着剤等で固定されたものであり、このケース内底面
の絶縁基板４１Ｌの馬蹄形の皮膜抵抗体４４と対向する
位置に軸受部６３が形成されたものである。６４は前記
ケース６２の軸受部６３３に回転自在に挿入された回転
軸である。この回転軸６４のケース６２内部における先
端部にはフランジ部６５が設けられており、そのフラン
ジ部６５には絶縁基板４１上の中心電極４５を中心に馬
蹄形の皮膜抵抗体４４の一ヒを慴動する慴動子６６が設
けられている。６７は前記絶縁基板４１の地表面側の前
記ケース６２開口部全体に充填硬化された樹脂である。61 is a capacitor attached between metal terminals 59 and 60. Reference numeral 62 denotes an insulating case made of resin with an opening on one side, and the insulating substrate 41, on which the film resistor and terminal electrodes are provided, is disposed facing the inner bottom of the case and fixed with adhesive or the like. A bearing portion 63 is formed at a position facing the horseshoe-shaped film resistor 44 on the insulating substrate 41L on the inner bottom surface of the case. 64 is a rotating shaft rotatably inserted into the bearing portion 633 of the case 62. A flange portion 65 is provided at the tip of the rotary shaft 64 inside the case 62, and a horseshoe-shaped film resistor 44 is mounted on the flange portion 65 with the center electrode 45 on the insulating substrate 41 as the center. A moving member 66 is provided. A resin 67 is filled and hardened in the entire opening of the case 62 on the ground surface side of the insulating substrate 41.
第１０図は上記のように構成された高圧用可変抵抗器の
回路構成図であり、この図の端子ａ、ｂ’、Ｃｄ′は第
９図の端子電極４７．４８．４９．５５にそれぞれ対応
している。端子Ｃ°はいわゆるフォーカス電圧調節部の
出力端子であり、この端子Ｃ゛にコンデンサ６１が取付
けられている。このコンデンサ６１は、フォーカス電圧
の電圧降下を防ぎ、この電圧を安定させる為のものであ
る。第１１図は前記高圧用可変抵抗器をＴＶ受像機に組
み込んだ場合の回路例を示した図である。端子ａはフラ
イバックトランスＦＢＴに接続されており、端子ｂ°と
コンデンサ６１の一端ｄ°はアースに接続されており、
端子Ｃ°はブラウン管Ｂのフォーカス端子に接続されて
いる。FIG. 10 is a circuit diagram of the high-voltage variable resistor constructed as described above, and the terminals a, b', and Cd' in this figure are connected to the terminal electrodes 47, 48, 49, and 55 in FIG. 9, respectively. Compatible. The terminal C° is an output terminal of a so-called focus voltage adjustment section, and a capacitor 61 is attached to this terminal C'. This capacitor 61 is for preventing a voltage drop in the focus voltage and for stabilizing this voltage. FIG. 11 is a diagram showing an example of a circuit when the high voltage variable resistor is incorporated into a TV receiver. Terminal a is connected to the flyback transformer FBT, terminal b° and one end d° of the capacitor 61 are connected to ground,
The terminal C° is connected to the focus terminal of the cathode ray tube B.
［発明が解決しようとする課題］
第１１図において、ブラウン管Ｂに管内放電が発生する
と、コンデンサ６１に高圧パルス電圧が加わり、この高
圧パルス電圧により前記コンデンサ６１が破壊されるこ
とがある。それゆえ、高耐圧の高価なコンデンサが必要
になるという問題があった。また、ブラウン管Ｂと端子
Ｃ′との間に単体の保護抵抗を取付ければそのような不
都合は解決出来るが、そうした場合は余分な保護抵抗が
必要となり、それを配置するための余分なスペースも必
要となって組立てが煩雑になるという問題が生じる。本
発明は、このような問題点に鑑みてなされたもので、従
来の前記種々の不都合を除去した、ローコストで組立て
の容易な高圧用可変抵抗器を提供することを目的として
いる。[Problems to be Solved by the Invention] In FIG. 11, when an internal discharge occurs in the cathode ray tube B, a high voltage pulse voltage is applied to the capacitor 61, and the capacitor 61 may be destroyed by this high voltage pulse voltage. Therefore, there is a problem in that an expensive capacitor with high withstand voltage is required. Also, such inconvenience can be solved by installing a single protective resistor between the cathode ray tube B and the terminal C', but in such a case, an extra protective resistor is required, and extra space is required to place it. This creates a problem in that assembly is complicated. The present invention has been made in view of these problems, and an object of the present invention is to provide a high-voltage variable resistor that is low cost and easy to assemble, which eliminates the various conventional disadvantages mentioned above.
［課題を解決するための手段］
本発明の高圧用可変抵抗器は」：記目的を達成するため
に、上記従来の構成になる高圧用可変抵抗器の絶縁基板
の一表面に、出力電圧を取り出すための端子電極に隣接
して出力端子電極を設け、その端子電極と出力端子電極
との間に皮膜抵抗体を設けたことを特徴としたものであ
る。[Means for Solving the Problems] In order to achieve the above object, the high voltage variable resistor of the present invention has an output voltage applied to one surface of the insulating substrate of the high voltage variable resistor having the above-mentioned conventional configuration. It is characterized in that an output terminal electrode is provided adjacent to the terminal electrode for taking out, and a film resistor is provided between the terminal electrode and the output terminal electrode.
［作用］
この皮膜抵抗体を設けることにより、前記高圧パルス電
圧は、皮膜抵抗体により分圧され、コンデンサにかかる
電圧が低くなる。[Function] By providing this film resistor, the high voltage pulse voltage is divided by the film resistor, and the voltage applied to the capacitor is reduced.
［実施例］
以下に本発明の一実施例を図面を参照にし詳細に説明す
る。[Example] An example of the present invention will be described in detail below with reference to the drawings.
第１図は高圧用可変抵抗器の絶縁基板の上面図、第２図
は高圧用可変抵抗器の斜視図、第３図は第２図のＡ−Ａ
’線における断面図である。第１〜３図において、１は
アルミナ磁器等のセラミック材料からなる矩形試の絶縁
基板であり、この絶縁基板の一表面に固定抵抗器の抵抗
体部を形成する蛇行状の皮膜抵抗体２．３と、可変抵抗
器の抵抗体部を形成する馬蹄形の皮膜抵抗体４とが一体
に連設されるとともに、馬蹄形の皮膜抵抗体４で囲まれ
た中心部に中心電極５が設けられ、この中心電極５に接
続して固定抵抗器の抵抗体部を形成する皮膜抵抗体６が
設けられたものである。７．８．９は皮膜抵抗体２．３
．６の端部にそれらと接続して設けられた端子電極であ
り、１０ｉ、を絶縁基板１の一表面に前記４予電体９に
隣接して設けられた端子電極である。１１は絶縁基板１
の一表面に設けられた皮膜抵抗体とは独立した端子電極
である。１２は［）１Ｓ記端子電極９．１０に接続して
前記絶縁も（板１の一表面に設けられた皮膜抵抗体であ
る。１３．１・１、Ｉ５．１６．１７は、前記端子１１
を体７．８、≦）、１０．１１の略中心部に設けられた
通孔である。１８．１９．２０．２１は前記絶縁周板１
の通孔１３．１４．１６．１７に挿通されたα属端子で
あり、端子型持１７．８．１０．１１にそれぞれ半円あ
るいは導電性接着剤により接続され、端子ｍ極を絶縁基
板１の地表面側に弓き出すようにしたものである。２２
はコンデンサであり、前記金属端子のうち金属端子２１
と図示しノていない前記端子電極９の通孔１５に挿通さ
れた金属端子との間に取り付けられたものである。Figure 1 is a top view of the insulating substrate of the high voltage variable resistor, Figure 2 is a perspective view of the high voltage variable resistor, and Figure 3 is A-A in Figure 2.
FIG. In FIGS. 1 to 3, numeral 1 is a rectangular insulating substrate made of a ceramic material such as alumina porcelain, and a meandering film resistor 2 is formed on one surface of this insulating substrate as a resistor portion of a fixed resistor. 3 and a horseshoe-shaped film resistor 4 forming a resistor portion of the variable resistor are integrally connected, and a center electrode 5 is provided in the center surrounded by the horseshoe-shaped film resistor 4. A film resistor 6 is provided which is connected to the center electrode 5 and forms a resistor portion of a fixed resistor. 7.8.9 is film resistor 2.3
．． 10i is a terminal electrode provided on one surface of the insulating substrate 1 adjacent to the 4 preelectric bodies 9. 11 is an insulating substrate 1
This is a terminal electrode independent of the film resistor provided on one surface of the resistor. 12 is a film resistor connected to the terminal electrode 9.10 of 1S, and the insulation is also a film resistor provided on one surface of the plate 1. 13.1.1, I5.16.17 are connected to the terminal 11
This is a through hole provided approximately at the center of the body 7.8, ≦) and 10.11. 18.19.20.21 is the insulating peripheral plate 1
It is an α-group terminal inserted into the through hole 13.14.16.17 of The bow was designed to extend toward the surface of the earth. 22
is a capacitor, and among the metal terminals, metal terminal 21
and a metal terminal inserted through the through hole 15 of the terminal electrode 9 (not shown).
なお、コンデンサ２２の取り付けにあたっては、端子電
極９の通孔１５には金属端子を設けずに、コンデンサの
リード端子をそのまま挿入してもよい。また、端子電極
９の通孔１５に金属端子を挿通する場合であっても、こ
の金属端子は外部に露出しないようにすることが望まし
い。２３は一面［別口状の樹脂からなるＭ！！縁ケース
であり、前記絶縁基板ｌが、その皮膜抵抗体および端子
電極の設けられた面をケース内底面に対向させて配設さ
れ、接着剤等で固定されたものであり、このケース内底
面の絶縁基板１１−の馬蹄形の皮膜抵抗体・１と対向す
る１）γ置に軸受部２４が形成されたものである。Note that when attaching the capacitor 22, the lead terminal of the capacitor may be directly inserted into the through hole 15 of the terminal electrode 9 without providing a metal terminal. Moreover, even when a metal terminal is inserted into the through hole 15 of the terminal electrode 9, it is desirable that the metal terminal is not exposed to the outside. 23 is one side [M made of separate mouth-shaped resin! ! The insulating substrate l is arranged with the surface on which the film resistor and the terminal electrode are provided facing the inner bottom surface of the case, and is fixed with an adhesive or the like, and the inner bottom surface of the case A bearing portion 24 is formed at a position 1) opposite to the horseshoe-shaped film resistor 1 of the insulating substrate 11-.
２５は前記ケース２３の軸受部２４に回転自在に挿入頁
れた回転軸である。この回転軸２５のケース２３内部の
先端部にはフランジ部２６が設けられており、そのフラ
ンジ部２６には絶縁基板１上の中心電極５を中心に馬蹄
形の皮膜抵抗体４の−Ｌを）を動する摺動子２７が設け
られている６２８は＋ｉｉｊ記絶縁基板１の地表面側の
前記ケース２３開同部令体１こ充填硬化された樹脂であ
る。２９．３０．３３１、；３２は前記金属端子１８．
１９．２０．２１に彼せられた絶縁スリーブであり、金
属端子１８．１９．２０．２１の絶縁、機械的強度の補
強、および外部配線を端子１８．１９．２０．２１に接
続するにあたってのガイドの役目をなすものである。；
３；３は他の装置等に固定するための固定片であり、３
４．３５はその固定片にねじ等を挿通させるために設け
られた通孔である。Reference numeral 25 denotes a rotating shaft rotatably inserted into the bearing portion 24 of the case 23. A flange portion 26 is provided at the tip of the rotating shaft 25 inside the case 23, and a horseshoe-shaped film resistor 4 (-L) is connected to the center electrode 5 on the insulating substrate 1 on the flange portion 26. 628, on which the slider 27 for moving the slider 27 is provided, is a resin filled and hardened in the case 23 on the ground surface side of the insulating substrate 1. 29, 30, 331; 32 is the metal terminal 18.
19.20.21 is an insulating sleeve that is used for insulating metal terminals 18.19.20.21, reinforcing mechanical strength, and for connecting external wiring to terminals 18.19.20.21. It serves as a guide. ;
3; 3 is a fixing piece for fixing to other devices, etc.;
4.35 is a through hole provided for inserting a screw or the like into the fixing piece.
このように構成された高圧用可変抵抗器は、第４図のよ
うな回路構成となり、この図に示すａ、ｂ、ｃ、ｄの各
端子は、第１図に示された端子電極７．８、ｌ０１１１
にそれぞれ対応するものである。第５図は本発明の高圧
用可変抵抗器ｆＯ：ＴＶ受像機に組み込んだ場合の回路
例を示した図である。端子ａはフライバックトランスＦ
ＢＴに接続されており、端子すとコンデンサの一端ｄは
アースに接続されている。また、端子Ｃはブラウン管Ｂ
のフォーカス端子に接続されている。The high-voltage variable resistor constructed in this manner has a circuit configuration as shown in FIG. 4, and the terminals a, b, c, and d shown in this figure are connected to the terminal electrodes 7 and 7 shown in FIG. 8, l0111
These correspond to the following. FIG. 5 is a diagram showing an example of a circuit in which the high-voltage variable resistor fO of the present invention is incorporated into a TV receiver. Terminal a is flyback transformer F
It is connected to BT, and one end d of the capacitor is connected to ground. Also, terminal C is the cathode ray tube B
is connected to the focus terminal.
このような構成によって、ブラウン管Ｂに管内放電が生
じても、高圧パルスは皮膜抵抗体７によって分圧され、
コンデンサ２２には大きな電圧がかからないようになる
。なお、上記の実施例における多少の設計変更は本発明
の域を出るものではない。たとえば絶縁基板１上の皮膜
抵抗体６のかわりに導電皮膜を用いることもでき、皮膜
抵抗体２．３．４の形状を適宜変更することも任意であ
る。さらに、第６図は本発明の別の実施例の高圧用可変
抵抗器の回路構成を示す図であり、この図に示すように
可変抵抗器の抵抗体部が２個ある場合等のように、可変
抵抗器の抵抗体部を形成する馬蹄形の皮膜抵抗体や固定
抵抗器の抵抗体部を形成する皮膜抵抗体の数およびそれ
らの皮刀々抵抗体の組み合せは全く任意であって、要は
絶縁基板１上においてそれらが連設されていればよい。With this configuration, even if an internal discharge occurs in the cathode ray tube B, the high voltage pulse is divided by the film resistor 7,
A large voltage is no longer applied to the capacitor 22. It should be noted that slight design changes in the above embodiments do not go beyond the scope of the present invention. For example, a conductive film may be used instead of the film resistor 6 on the insulating substrate 1, and the shape of the film resistor 2.3.4 may be changed as appropriate. Furthermore, FIG. 6 is a diagram showing the circuit configuration of a high-voltage variable resistor according to another embodiment of the present invention. The number of horseshoe-shaped film resistors forming the resistor part of a variable resistor and the number of film resistors forming the resistor part of a fixed resistor, and the combination of these film resistors are completely arbitrary, and may be determined according to the requirements. It suffices if they are consecutively arranged on the insulating substrate 1.
また、絶縁基板１の一表面全域を覆う絶縁ケース２３の
かわりに、回転軸２５を固定するための軸受部２４のみ
からなる絶縁ケースを用いてもよく、樹脂２８は必ずし
も用いなくてもよい。また、第５図のＴＶ受像機におけ
る高圧用可変抵抗器の接続方法について、その変形例と
してコンデンサの一端をダイナミックフォーカス回路に
接続する場合にも適用できる。Further, instead of the insulating case 23 that covers the entire surface of the insulating substrate 1, an insulating case consisting only of the bearing portion 24 for fixing the rotating shaft 25 may be used, and the resin 28 does not necessarily need to be used. Further, as a modification of the method of connecting the high-voltage variable resistor in the TV receiver shown in FIG. 5, it can also be applied to the case where one end of the capacitor is connected to the dynamic focus circuit.
［発明の効果］
以上説明したように、本発明の高圧用可変抵抗器は、絶
縁基板の出力電圧を取り出すための端子電極を隣接して
出力端子電極を設け、その端子電極と出力端子電極の間
に皮膜抵抗体を設けたことにより、ブラウン管の管内放
電によって生じる高圧パルス電圧によるコンデンサの破
壊がなくなり、高耐圧の高価なコンデンサは不要となる
。また、ｍ体の保護抵抗を取り付けるスペースも不要と
なるため、ローコストで組立てが容易になるという効果
を奏する。[Effects of the Invention] As explained above, in the high voltage variable resistor of the present invention, an output terminal electrode is provided adjacent to the terminal electrode for taking out the output voltage of the insulating substrate, and the terminal electrode and the output terminal electrode are connected to each other. By providing a film resistor between the two, the capacitor is not destroyed by the high voltage pulse voltage generated by the internal discharge of the cathode ray tube, and an expensive capacitor with a high withstand voltage is not required. Furthermore, since there is no need for space for mounting m protective resistors, the assembly is easy to assemble at a low cost.
第１図〜第５図は本発明の一実施例の高圧用可変抵抗器
に関し、第１図は絶縁基板の上面図、第２図は高圧用可
変抵抗器の斜視図、第３図は第２図のＡ−Ａ’線におけ
る断面図、第４図は回路構成図、第５図はＴＶ受像機に
おける接続図、第６図は本発明の他の実施例の回路構成
図である。第７図〜第１１図は従来の高圧用可変抵抗器
に関し、第７図は高圧用可変抵抗器の斜視図、第８図は
第７図のＡ−Ａ’線における断面図、第９図は絶縁基板
の上面図、第１０図は回路構成図、第１１図はＴＶ受像
機における接続図である。
１・・・絶縁基板、２．３．４．６．１２・・・皮膜抵
抗体、５・・・中心電極、７．８．９．１０．１１・・
端子電極、１３．１４．１５．１６．１７・・・通孔、
１８．１９．２０．２１・・・金属端子、２２・・・コ
ンデンサ、２３・・・絶縁ケース、２４・・軸受部、２
５・・回転軸、２６・・・フランジ部、２７・・・摺動
子、２８・・・樹脂、２９．３０．３Ｌ ３２・・・絶
縁スリーブ、３３・・・固定片、３４．３５・・・通孔
。1 to 5 relate to a high-voltage variable resistor according to an embodiment of the present invention, in which FIG. 1 is a top view of an insulating substrate, FIG. 2 is a perspective view of the high-voltage variable resistor, and FIG. 3 is a perspective view of the high-voltage variable resistor. 2 is a sectional view taken along line AA' in FIG. 2, FIG. 4 is a circuit configuration diagram, FIG. 5 is a connection diagram in a TV receiver, and FIG. 6 is a circuit configuration diagram of another embodiment of the present invention. 7 to 11 relate to a conventional high voltage variable resistor, FIG. 7 is a perspective view of the high voltage variable resistor, FIG. 8 is a sectional view taken along line AA' in FIG. 7, and FIG. 9 is a perspective view of the high voltage variable resistor. 10 is a top view of the insulating substrate, FIG. 10 is a circuit configuration diagram, and FIG. 11 is a connection diagram in a TV receiver. 1... Insulating substrate, 2.3.4.6.12... Film resistor, 5... Center electrode, 7.8.9.10.11...
Terminal electrode, 13.14.15.16.17... through hole,
18.19.20.21...Metal terminal, 22...Capacitor, 23...Insulating case, 24...Bearing part, 2
5...Rotating shaft, 26...Flange portion, 27...Slider, 28...Resin, 29.30.3L 32...Insulating sleeve, 33...Fixing piece, 34.35...・Through hole.
Claims (1)
くとも１個の可変抵抗器の抵抗体部とが連設して形成さ
れてなる皮膜抵抗体およびこれらの皮膜抵抗体に接続さ
れた複数個の端子電極が設けられた絶縁基板と、 この絶縁基板の可変抵抗器の抵抗体部を形成する皮膜抵
抗体上を摺動する摺動子を備えた回転軸と、 この回転軸を軸受けし、かつ前記絶縁基板が固定された
絶縁ケースと、 前記絶縁基板に設けられた複数個の端子電極のうち可変
抵抗器の抵抗体部から出力電圧を取り出すための端子電
極に接続されたコンデンサとからなる高圧用可変抵抗器
において、 前記出力電圧を取り出すための端子電極に隣接して前記
絶縁基板の一表面に出力端子電極を設け、その端子電極
と出力端子電極の間の絶縁基板面に皮膜抵抗体を設けた
ことを特徴とする高圧用可変抵抗器。(1) A film resistor formed by connecting a plurality of fixed resistor resistor parts and at least one variable resistor resistor part on one surface, and a film resistor connected to these film resistors. an insulated substrate provided with a plurality of terminal electrodes; a rotating shaft equipped with a slider that slides on a film resistor forming a resistor portion of a variable resistor on the insulated substrate; an insulating case bearing a bearing and to which the insulating substrate is fixed; and a capacitor connected to a terminal electrode for extracting an output voltage from a resistor portion of a variable resistor among a plurality of terminal electrodes provided on the insulating substrate. A high voltage variable resistor comprising: an output terminal electrode provided on one surface of the insulating substrate adjacent to the terminal electrode for taking out the output voltage; and an output terminal electrode provided on one surface of the insulating substrate between the terminal electrode and the output terminal electrode. A high voltage variable resistor characterized by being equipped with a film resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20989788A JPH0682568B2 (en) | 1988-08-24 | 1988-08-24 | Variable resistor for high voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20989788A JPH0682568B2 (en) | 1988-08-24 | 1988-08-24 | Variable resistor for high voltage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0258308A true JPH0258308A (en) | 1990-02-27 |
| JPH0682568B2 JPH0682568B2 (en) | 1994-10-19 |
Family
ID=16580455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20989788A Expired - Fee Related JPH0682568B2 (en) | 1988-08-24 | 1988-08-24 | Variable resistor for high voltage |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0682568B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100415563B1 (en) * | 2001-07-27 | 2004-01-24 | 삼성전기주식회사 | Device for connecting parts of fbt focus unite |
-
1988
- 1988-08-24 JP JP20989788A patent/JPH0682568B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100415563B1 (en) * | 2001-07-27 | 2004-01-24 | 삼성전기주식회사 | Device for connecting parts of fbt focus unite |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0682568B2 (en) | 1994-10-19 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |