FR1252089A - Amplificateur téléphonique - Google Patents
Amplificateur téléphoniqueInfo
- Publication number
- FR1252089A FR1252089A FR812923A FR812923A FR1252089A FR 1252089 A FR1252089 A FR 1252089A FR 812923 A FR812923 A FR 812923A FR 812923 A FR812923 A FR 812923A FR 1252089 A FR1252089 A FR 1252089A
- Authority
- FR
- France
- Prior art keywords
- telephone amplifier
- telephone
- amplifier
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/62—Constructional arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR812923A FR1252089A (fr) | 1959-12-12 | 1959-12-12 | Amplificateur téléphonique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR812923A FR1252089A (fr) | 1959-12-12 | 1959-12-12 | Amplificateur téléphonique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1252089A true FR1252089A (fr) | 1961-01-27 |
Family
ID=8722533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR812923A Expired FR1252089A (fr) | 1959-12-12 | 1959-12-12 | Amplificateur téléphonique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1252089A (fr) |
-
1959
- 1959-12-12 FR FR812923A patent/FR1252089A/fr not_active Expired
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