FR591147A - Transmetteur, amplificateur et translateur téléphonique - Google Patents
Transmetteur, amplificateur et translateur téléphoniqueInfo
- Publication number
- FR591147A FR591147A FR591147DA FR591147A FR 591147 A FR591147 A FR 591147A FR 591147D A FR591147D A FR 591147DA FR 591147 A FR591147 A FR 591147A
- Authority
- FR
- France
- Prior art keywords
- transmitter
- amplifier
- telephone translator
- translator
- telephone
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR591147T | 1924-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR591147A true FR591147A (fr) | 1925-06-29 |
Family
ID=8963937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR591147D Expired FR591147A (fr) | 1924-12-08 | 1924-12-08 | Transmetteur, amplificateur et translateur téléphonique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR591147A (fr) |
-
1924
- 1924-12-08 FR FR591147D patent/FR591147A/fr not_active Expired
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