JPS49133017A - - Google Patents
Info
- Publication number
- JPS49133017A JPS49133017A JP11466672A JP11466672A JPS49133017A JP S49133017 A JPS49133017 A JP S49133017A JP 11466672 A JP11466672 A JP 11466672A JP 11466672 A JP11466672 A JP 11466672A JP S49133017 A JPS49133017 A JP S49133017A
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
- H01F29/12—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable coil, winding, or part thereof; having movable shield
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/02—Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
- H01F29/10—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable part of magnetic circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Inverter Devices (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11466672A JPS49133017A (fr) | 1972-11-17 | 1972-11-17 | |
| DE19732357154 DE2357154A1 (de) | 1972-11-17 | 1973-11-15 | Verfahren und vorrichtung zur lastimpedanzanpassung |
| FR7340721A FR2207340B1 (fr) | 1972-11-17 | 1973-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11466672A JPS49133017A (fr) | 1972-11-17 | 1972-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS49133017A true JPS49133017A (fr) | 1974-12-20 |
Family
ID=14643532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11466672A Pending JPS49133017A (fr) | 1972-11-17 | 1972-11-17 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS49133017A (fr) |
| DE (1) | DE2357154A1 (fr) |
| FR (1) | FR2207340B1 (fr) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56102198A (en) * | 1980-01-19 | 1981-08-15 | Toray Ind Inc | Ultrasonic wave transducer |
| JPS58119297U (ja) * | 1982-02-04 | 1983-08-13 | 東レ株式会社 | 高分子圧電膜を用いた超音波トランスデユ−サ− |
| JPS58119298U (ja) * | 1982-02-04 | 1983-08-13 | 東レ株式会社 | 高分子圧電膜を用いた超音波トランスデユ−サ− |
| JPS58119299U (ja) * | 1982-02-04 | 1983-08-13 | 東レ株式会社 | 高分子圧電膜を用いた超音波トランスデユ−サ− |
| JPS622869A (ja) * | 1985-06-26 | 1987-01-08 | Matsushita Electric Ind Co Ltd | 超音波モ−タ駆動装置 |
| JPH0243892A (ja) * | 1988-08-03 | 1990-02-14 | Ito Chiyoutanpa Kk | 電力供給装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3925359C1 (fr) * | 1989-07-31 | 1991-02-07 | Degussa Ag, 6000 Frankfurt, De | |
| DE102012106382A1 (de) | 2012-07-16 | 2014-01-16 | Herrmann Ultraschalltechnik Gmbh & Co. Kg | Ausgangsstufe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1083814A (fr) * | 1953-09-18 | 1955-01-12 | Méthode d'adaptation d'impédances |
-
1972
- 1972-11-17 JP JP11466672A patent/JPS49133017A/ja active Pending
-
1973
- 1973-11-15 DE DE19732357154 patent/DE2357154A1/de active Pending
- 1973-11-15 FR FR7340721A patent/FR2207340B1/fr not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56102198A (en) * | 1980-01-19 | 1981-08-15 | Toray Ind Inc | Ultrasonic wave transducer |
| JPS58119297U (ja) * | 1982-02-04 | 1983-08-13 | 東レ株式会社 | 高分子圧電膜を用いた超音波トランスデユ−サ− |
| JPS58119298U (ja) * | 1982-02-04 | 1983-08-13 | 東レ株式会社 | 高分子圧電膜を用いた超音波トランスデユ−サ− |
| JPS58119299U (ja) * | 1982-02-04 | 1983-08-13 | 東レ株式会社 | 高分子圧電膜を用いた超音波トランスデユ−サ− |
| JPS622869A (ja) * | 1985-06-26 | 1987-01-08 | Matsushita Electric Ind Co Ltd | 超音波モ−タ駆動装置 |
| JPH0243892A (ja) * | 1988-08-03 | 1990-02-14 | Ito Chiyoutanpa Kk | 電力供給装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2207340A1 (fr) | 1974-06-14 |
| FR2207340B1 (fr) | 1977-06-03 |
| DE2357154A1 (de) | 1974-05-22 |