FR741761A - - Google Patents
Info
- Publication number
- FR741761A FR741761A FR741761DA FR741761A FR 741761 A FR741761 A FR 741761A FR 741761D A FR741761D A FR 741761DA FR 741761 A FR741761 A FR 741761A
- Authority
- FR
- France
- 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
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR741761A true FR741761A (xx) | 1933-02-18 |
Family
ID=1546255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR741761D Expired FR741761A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR741761A (xx) |
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0
- FR FR741761D patent/FR741761A/fr not_active Expired