JPS6334445U - - Google Patents
Info
- Publication number
- JPS6334445U JPS6334445U JP12871186U JP12871186U JPS6334445U JP S6334445 U JPS6334445 U JP S6334445U JP 12871186 U JP12871186 U JP 12871186U JP 12871186 U JP12871186 U JP 12871186U JP S6334445 U JPS6334445 U JP S6334445U
- Authority
- JP
- Japan
- Prior art keywords
- load current
- impedance
- detecting
- section
- matching
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 230000001225 therapeutic effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Radiation-Therapy Devices (AREA)
- Constitution Of High-Frequency Heating (AREA)
Description
第１図は、この考案の一実施例の概略構成を示
すブロツク図、第２図は、第１図のチユーニング
制御部９の具体的構成を示すブロツク図、第３図
は同実施例のタイミングを示す図、第４図は負荷
電流と可変コンデンサ６の容量Ｃｖとの関係を
示す図である。
１……発振部、６……可変コンデンサ、７ａ，
７ｂ……導子、８……電流カツプラ、１５……サ
ンプルホールド回路、２０……電流増加減少検出
回路、２１……整合範囲判定回路、２３……モー
タ正逆回転制御回路、２４……モータドライブ回
路、Ｍ……モータ。
FIG. 1 is a block diagram showing a schematic configuration of an embodiment of this invention, FIG. 2 is a block diagram showing a specific configuration of the tuning control section 9 of FIG. 1, and FIG. 3 is a timing diagram of the same embodiment. FIG. 4 is a diagram showing the relationship between the load current and the capacitance Cv of the variable capacitor 6. 1... Oscillation section, 6... Variable capacitor, 7a,
7b... Conductor, 8... Current coupler, 15... Sample hold circuit, 20... Current increase/decrease detection circuit, 21... Matching range judgment circuit, 23... Motor forward/reverse rotation control circuit, 24... Motor Drive circuit, M...Motor.
Claims (1)
、人体治療部位に当接される導子と、前記治療部
と導子との間に設けられ、両者のインピーダンス
整合を行う可変インピーダンス部と、前記可変イ
ンピーダンス部のインピーダンスを変化させるイ
ンピーダンス変化手段と、前記可変インピーダン
ス部を流れる負荷電流を検出する検出手段と、前
記検出手段による負荷電流の検出結果をホールド
するホールド手段と、前記検出手段によつて検出
された現在の負荷電流と前記ホールド手段にホー
ルドされた一定時間前の負荷電流とに基づいて負
荷電流の増減を検出する電流増減検出手段と、前
記検出手段によつて検出された現在の負荷電流と
前記ホールド手段にホールドされた一定時間前の
負荷電流とに基づいて整合がとれているか否かを
検出する整合判定手段と、前記増減検出手段と整
合判定手段との検出判定結果に基づいて前記イン
ピーダンス変化手段を駆動する駆動手段とを具備
してなる短波治療器。 a therapeutic wave generating section that generates high frequency waves for treatment; a conductor that comes into contact with a human body treatment site; a variable impedance section that is provided between the treatment section and the conductor and performs impedance matching between the two; impedance changing means for changing the impedance of the variable impedance section; detecting means for detecting the load current flowing through the variable impedance section; holding means for holding the detection result of the load current by the detecting means; current increase/decrease detection means for detecting an increase/decrease in the load current based on the current load current detected by the holding means and the load current held a certain time ago by the holding means; a matching judgment means for detecting whether or not matching is achieved based on the load current and the load current held a certain time ago by the holding means; and based on the detection judgment result of the increase/decrease detection means and the matching judgment means. and driving means for driving the impedance changing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12871186U JPS6334445U (en) | 1986-08-23 | 1986-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12871186U JPS6334445U (en) | 1986-08-23 | 1986-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6334445U true JPS6334445U (en) | 1988-03-05 |
Family
ID=31024622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12871186U Pending JPS6334445U (en) | 1986-08-23 | 1986-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6334445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006122193A (en) * | 2004-10-27 | 2006-05-18 | Ito Choutanpa Kk | Ultrashort wave therapy apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58112562A (en) * | 1981-12-25 | 1983-07-05 | 松下電器産業株式会社 | Ultrasonic treating machine |
-
1986
- 1986-08-23 JP JP12871186U patent/JPS6334445U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58112562A (en) * | 1981-12-25 | 1983-07-05 | 松下電器産業株式会社 | Ultrasonic treating machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006122193A (en) * | 2004-10-27 | 2006-05-18 | Ito Choutanpa Kk | Ultrashort wave therapy apparatus |
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