BE503224A - - Google Patents
Info
- Publication number
- BE503224A BE503224A BE503224DA BE503224A BE 503224 A BE503224 A BE 503224A BE 503224D A BE503224D A BE 503224DA BE 503224 A BE503224 A BE 503224A
- Authority
- BE
- Belgium
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
- H04M15/36—Charging, billing or metering arrangements for party-lines
-
- 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
- H04M1/53—Generation of additional signals, e.g. additional pulses
- H04M1/54—Arrangements wherein a dial or the like generates identifying signals, e.g. in party-line systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Meter Arrangements (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US162186A US2581697A (en) | 1950-05-16 | 1950-05-16 | Party line identification dial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE503224A true BE503224A (Direct) |
Family
ID=22584533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE503224D BE503224A (Direct) | 1950-05-16 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2581697A (Direct) |
| BE (1) | BE503224A (Direct) |
| GB (1) | GB693137A (Direct) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2890287A (en) * | 1954-12-30 | 1959-06-09 | Bell Telephone Labor Inc | Impulse dial |
| US3003042A (en) * | 1958-11-03 | 1961-10-03 | Automatic Elect Lab | Two cam interpulse station identifying dial |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2366647A (en) * | 1941-07-26 | 1945-01-02 | Automatic Elect Lab | Telephone system |
-
0
- BE BE503224D patent/BE503224A/xx unknown
-
1950
- 1950-05-16 US US162186A patent/US2581697A/en not_active Expired - Lifetime
-
1951
- 1951-03-19 GB GB6523/51A patent/GB693137A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2581697A (en) | 1952-01-08 |
| GB693137A (en) | 1953-06-24 |