FR1223784A - Perfectionnements aux dispositifs d'émission et de réception de postes téléphoniques, notamment d'abonnés - Google Patents
Perfectionnements aux dispositifs d'émission et de réception de postes téléphoniques, notamment d'abonnésInfo
- Publication number
- FR1223784A FR1223784A FR6671A FR67006671A FR1223784A FR 1223784 A FR1223784 A FR 1223784A FR 6671 A FR6671 A FR 6671A FR 67006671 A FR67006671 A FR 67006671A FR 1223784 A FR1223784 A FR 1223784A
- Authority
- FR
- France
- Prior art keywords
- subscribers
- transmission
- reception devices
- telephone sets
- 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
- 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
- H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6671A FR1223784A (fr) | 1959-05-06 | 1959-05-06 | Perfectionnements aux dispositifs d'émission et de réception de postes téléphoniques, notamment d'abonnés |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6671A FR1223784A (fr) | 1959-05-06 | 1959-05-06 | Perfectionnements aux dispositifs d'émission et de réception de postes téléphoniques, notamment d'abonnés |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1223784A true FR1223784A (fr) | 1960-06-20 |
Family
ID=8571680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6671A Expired FR1223784A (fr) | 1959-05-06 | 1959-05-06 | Perfectionnements aux dispositifs d'émission et de réception de postes téléphoniques, notamment d'abonnés |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1223784A (fr) |
-
1959
- 1959-05-06 FR FR6671A patent/FR1223784A/fr not_active Expired
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