FR780266A - Appareil radio-phono-téléphonique - Google Patents
Appareil radio-phono-téléphoniqueInfo
- Publication number
- FR780266A FR780266A FR780266DA FR780266A FR 780266 A FR780266 A FR 780266A FR 780266D A FR780266D A FR 780266DA FR 780266 A FR780266 A FR 780266A
- Authority
- FR
- France
- Prior art keywords
- phono
- radio
- telephone device
- 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
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR781004T | 1934-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR780266A true FR780266A (fr) | 1935-04-23 |
Family
ID=9206698
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR780266D Expired FR780266A (fr) | 1934-02-02 | 1934-01-09 | Appareil radio-phono-téléphonique |
FR781004D Expired FR781004A (fr) | 1934-02-02 | 1934-02-02 | Perfectionnements aux appareils radio-phono-téléphoniques |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR781004D Expired FR781004A (fr) | 1934-02-02 | 1934-02-02 | Perfectionnements aux appareils radio-phono-téléphoniques |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE407140A (fr) |
FR (2) | FR780266A (fr) |
-
0
- BE BE407140D patent/BE407140A/xx unknown
-
1934
- 1934-01-09 FR FR780266D patent/FR780266A/fr not_active Expired
- 1934-02-02 FR FR781004D patent/FR781004A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR781004A (fr) | 1935-05-08 |
BE407140A (fr) |
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