CH274092A - Shared line telephone system. - Google Patents
Shared line telephone system.Info
- Publication number
- CH274092A CH274092A CH274092DA CH274092A CH 274092 A CH274092 A CH 274092A CH 274092D A CH274092D A CH 274092DA CH 274092 A CH274092 A CH 274092A
- Authority
- CH
- Switzerland
- Prior art keywords
- telephone system
- line telephone
- shared line
- shared
- telephone
- Prior art date
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
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
- H04Q5/06—Signalling by amplitude or polarity of DC
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
- Structure Of Telephone Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US274092XA | 1940-07-11 | 1940-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH274092A true CH274092A (en) | 1951-03-15 |
Family
ID=21837570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH274092D CH274092A (en) | 1940-07-11 | 1947-08-06 | Shared line telephone system. |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE476311A (en) |
| CH (1) | CH274092A (en) |
| GB (1) | GB628200A (en) |
-
0
- BE BE476311D patent/BE476311A/xx unknown
-
1947
- 1947-08-06 CH CH274092D patent/CH274092A/en unknown
- 1947-08-07 GB GB21769/47A patent/GB628200A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB628200A (en) | 1949-08-24 |
| BE476311A (en) |
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