DE212160C - - Google Patents
Info
- Publication number
- DE212160C DE212160C DENDAT212160D DE212160DA DE212160C DE 212160 C DE212160 C DE 212160C DE NDAT212160 D DENDAT212160 D DE NDAT212160D DE 212160D A DE212160D A DE 212160DA DE 212160 C DE212160 C DE 212160C
- Authority
- DE
- Germany
- Prior art keywords
- shaft
- spring
- rotation
- counting
- dial
- 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.)
- Active
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
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE212160C true DE212160C (enExample) |
Family
ID=473908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT212160D Active DE212160C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE212160C (enExample) |
-
0
- DE DENDAT212160D patent/DE212160C/de active Active
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