BE489123A - - Google Patents
Info
- Publication number
- BE489123A BE489123A BE489123DA BE489123A BE 489123 A BE489123 A BE 489123A BE 489123D A BE489123D A BE 489123DA BE 489123 A BE489123 A BE 489123A
- Authority
- BE
- Belgium
- Prior art keywords
- perforations
- tape
- rods
- series
- read
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
- H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE489123T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE489123A true BE489123A (de) |
Family
ID=3870560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE489123D BE489123A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE489123A (de) |
-
0
- BE BE489123D patent/BE489123A/fr unknown
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