CH271270A - People search system. - Google Patents
People search system.Info
- Publication number
- CH271270A CH271270A CH271270DA CH271270A CH 271270 A CH271270 A CH 271270A CH 271270D A CH271270D A CH 271270DA CH 271270 A CH271270 A CH 271270A
- Authority
- CH
- Switzerland
- Prior art keywords
- search system
- people search
- people
- search
- 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
- H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
- H04M11/022—Paging systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
- Audible And Visible Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE271270X | 1946-04-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH271270A true CH271270A (en) | 1950-10-15 |
Family
ID=20306763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH271270D CH271270A (en) | 1946-04-29 | 1947-04-24 | People search system. |
Country Status (3)
Country | Link |
---|---|
US (1) | US2499475A (en) |
CH (1) | CH271270A (en) |
GB (1) | GB639661A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2913533A (en) * | 1957-12-23 | 1959-11-17 | Gen Dynamics Corp | Broadcast paging system |
US3439320A (en) * | 1967-09-21 | 1969-04-15 | Relton Corp | Personnel location system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1963600A (en) * | 1930-10-13 | 1934-06-19 | Associated Electric Lab Inc | Signaling system |
US2199824A (en) * | 1938-04-07 | 1940-05-07 | Bell Telephone Labor Inc | Signaling system |
US2335524A (en) * | 1941-04-26 | 1943-11-30 | Automatic Elect Lab | Signaling system |
US2330357A (en) * | 1941-04-26 | 1943-09-28 | Automatic Elect Lab | Signaling system |
US2330355A (en) * | 1941-04-26 | 1943-09-28 | Automatic Elect Lab | Indicating system |
US2397881A (en) * | 1944-09-26 | 1946-04-02 | American Telephone & Telegraph | Signaling system |
-
1947
- 1947-04-15 US US741604A patent/US2499475A/en not_active Expired - Lifetime
- 1947-04-24 CH CH271270D patent/CH271270A/en unknown
- 1947-04-29 GB GB11469/47A patent/GB639661A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2499475A (en) | 1950-03-07 |
GB639661A (en) | 1950-07-05 |
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