FR364162A - Microphonograph device - Google Patents
Microphonograph deviceInfo
- Publication number
- FR364162A FR364162A FR364162DA FR364162A FR 364162 A FR364162 A FR 364162A FR 364162D A FR364162D A FR 364162DA FR 364162 A FR364162 A FR 364162A
- Authority
- FR
- France
- Prior art keywords
- microphonograph
- microphonograph device
- 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
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR364162T | 1906-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR364162A true FR364162A (en) | 1906-08-16 |
Family
ID=1411522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR364162D Expired FR364162A (en) | 1906-03-12 | 1906-03-12 | Microphonograph device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR364162A (en) |
-
1906
- 1906-03-12 FR FR364162D patent/FR364162A/en not_active Expired
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