JPH0288495U - - Google Patents
Info
- Publication number
- JPH0288495U JPH0288495U JP1988167041U JP16704188U JPH0288495U JP H0288495 U JPH0288495 U JP H0288495U JP 1988167041 U JP1988167041 U JP 1988167041U JP 16704188 U JP16704188 U JP 16704188U JP H0288495 U JPH0288495 U JP H0288495U
- Authority
- JP
- Japan
- Prior art keywords
- speed change
- change switch
- resistance value
- variable resistor
- electronic circuit
- 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
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010304 firing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Mechanisms For Operating Contacts (AREA)
- Control Of Direct Current Motors (AREA)
Description
第１図は本考案の変速スイツチの基板組立体の
一実施例を示す平面図、第２図は変速スイツチの
基本構造図、第３図は従来の変速スイツチの基板
組立体の平面図、第４図は変速スイツチの回路図
、第５図はトリガ移動量に対する出力電圧の関係
を示す出力特性図である。
図において、２はトリガ、５は基板組立体、８
は抵抗体、９はサイリスタである。
FIG. 1 is a plan view showing an embodiment of the board assembly of a speed change switch according to the present invention, FIG. 2 is a basic structural diagram of the speed change switch, and FIG. 3 is a plan view of a board assembly of a conventional speed change switch. FIG. 4 is a circuit diagram of the speed change switch, and FIG. 5 is an output characteristic diagram showing the relationship between the output voltage and the amount of trigger movement. In the figure, 2 is a trigger, 5 is a board assembly, and 8 is a trigger.
is a resistor, and 9 is a thyristor.
Claims (1)
変抵抗と、該可変抵抗の抵抗値の変化に応じてサ
イリスタ等の点弧角が変わり、出力電圧を制御す
る電子回路を備えた変速スイツチにおいて、抵抗
又はコンデンサを直列又は並列に選択的に継なぐ
ことにより、前記電子回路の回路定数を変化可能
としたことを特徴とする変速スイツチ。 In a speed change switch equipped with a variable resistor whose resistance value changes in conjunction with the pull of a trigger, and an electronic circuit that changes the firing angle of a thyristor etc. according to the change in the resistance value of the variable resistor and controls the output voltage. A speed change switch characterized in that the circuit constants of the electronic circuit can be changed by selectively connecting resistors or capacitors in series or parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988167041U JPH0288495U (en) | 1988-12-23 | 1988-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988167041U JPH0288495U (en) | 1988-12-23 | 1988-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0288495U true JPH0288495U (en) | 1990-07-12 |
Family
ID=31454977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988167041U Pending JPH0288495U (en) | 1988-12-23 | 1988-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0288495U (en) |
-
1988
- 1988-12-23 JP JP1988167041U patent/JPH0288495U/ja active Pending
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