FR2258070A1 - Hi-fi loudspeaker transformer circuit - has amplifier and loudspeaker across primary and potentiometer across secondary - Google Patents
Hi-fi loudspeaker transformer circuit - has amplifier and loudspeaker across primary and potentiometer across secondaryInfo
- Publication number
- FR2258070A1 FR2258070A1 FR7400929A FR7400929A FR2258070A1 FR 2258070 A1 FR2258070 A1 FR 2258070A1 FR 7400929 A FR7400929 A FR 7400929A FR 7400929 A FR7400929 A FR 7400929A FR 2258070 A1 FR2258070 A1 FR 2258070A1
- Authority
- FR
- France
- Prior art keywords
- loudspeaker
- primary
- amplifier
- potentiometer
- transformer 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 abstract 3
- 238000010079 rubber tapping Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7400929A FR2258070A1 (en) | 1974-01-11 | 1974-01-11 | Hi-fi loudspeaker transformer circuit - has amplifier and loudspeaker across primary and potentiometer across secondary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7400929A FR2258070A1 (en) | 1974-01-11 | 1974-01-11 | Hi-fi loudspeaker transformer circuit - has amplifier and loudspeaker across primary and potentiometer across secondary |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2258070A1 true FR2258070A1 (en) | 1975-08-08 |
| FR2258070B1 FR2258070B1 (enrdf_load_html_response) | 1979-01-26 |
Family
ID=9133373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7400929A Granted FR2258070A1 (en) | 1974-01-11 | 1974-01-11 | Hi-fi loudspeaker transformer circuit - has amplifier and loudspeaker across primary and potentiometer across secondary |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2258070A1 (enrdf_load_html_response) |
-
1974
- 1974-01-11 FR FR7400929A patent/FR2258070A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2258070B1 (enrdf_load_html_response) | 1979-01-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |