FR479822A - Pulse transmitter for automatic telephone systems - Google Patents
Pulse transmitter for automatic telephone systemsInfo
- Publication number
- FR479822A FR479822A FR479822A FR479822DA FR479822A FR 479822 A FR479822 A FR 479822A FR 479822 A FR479822 A FR 479822A FR 479822D A FR479822D A FR 479822DA FR 479822 A FR479822 A FR 479822A
- Authority
- FR
- France
- Prior art keywords
- telephone systems
- automatic telephone
- pulse transmitter
- transmitter
- pulse
- 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
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE191512671X | 1915-01-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR479822A true FR479822A (en) | 1916-05-17 |
Family
ID=32679795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR479822A Expired FR479822A (en) | 1915-01-26 | 1915-09-24 | Pulse transmitter for automatic telephone systems |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE293208C (en) |
FR (1) | FR479822A (en) |
GB (1) | GB191512671A (en) |
-
0
- DE DENDAT293208D patent/DE293208C/de active Active
-
1915
- 1915-09-03 GB GB191512671D patent/GB191512671A/en not_active Expired
- 1915-09-24 FR FR479822A patent/FR479822A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE293208C (en) | |
GB191512671A (en) | 1916-05-04 |
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