FR922679A - Improvements to telephone devices - Google Patents
Improvements to telephone devicesInfo
- Publication number
- FR922679A FR922679A FR922679DA FR922679A FR 922679 A FR922679 A FR 922679A FR 922679D A FR922679D A FR 922679DA FR 922679 A FR922679 A FR 922679A
- Authority
- FR
- France
- Prior art keywords
- telephone devices
- telephone
- devices
- 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
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR54821T | 1946-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR922679A true FR922679A (en) | 1947-06-16 |
Family
ID=8689239
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR922679D Expired FR922679A (en) | 1946-09-20 | 1946-02-22 | Improvements to telephone devices |
FR54821D Expired FR54821E (en) | 1946-09-20 | 1946-09-20 | Development of telephone devices |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR54821D Expired FR54821E (en) | 1946-09-20 | 1946-09-20 | Development of telephone devices |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE469259A (en) |
FR (2) | FR922679A (en) |
-
0
- BE BE469259D patent/BE469259A/xx unknown
-
1946
- 1946-02-22 FR FR922679D patent/FR922679A/en not_active Expired
- 1946-09-20 FR FR54821D patent/FR54821E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE469259A (en) | |
FR54821E (en) | 1950-08-02 |
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