FR364900A - Telephone device - Google Patents
Telephone deviceInfo
- Publication number
- FR364900A FR364900A FR364900DA FR364900A FR 364900 A FR364900 A FR 364900A FR 364900D A FR364900D A FR 364900DA FR 364900 A FR364900 A FR 364900A
- Authority
- FR
- France
- Prior art keywords
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR364900T | 1906-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR364900A true FR364900A (en) | 1906-08-30 |
Family
ID=1412218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR364900D Expired FR364900A (en) | 1906-04-04 | 1906-04-04 | Telephone device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR364900A (en) |
-
1906
- 1906-04-04 FR FR364900D patent/FR364900A/en not_active Expired
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