FR850303A - - Google Patents
Info
- Publication number
- FR850303A FR850303A FR850303DA FR850303A FR 850303 A FR850303 A FR 850303A FR 850303D A FR850303D A FR 850303DA FR 850303 A FR850303 A FR 850303A
- 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
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
-
- 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
- H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5589/38A GB511695A (en) | 1938-02-22 | 1938-02-22 | Improvements in electric signalling systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR850303A true FR850303A (nl) | 1939-12-14 |
Family
ID=9798948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR850303D Expired FR850303A (nl) | 1938-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR850303A (nl) |
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0
- FR FR850303D patent/FR850303A/fr not_active Expired