NL50287C - - Google Patents
Info
- Publication number
- NL50287C NL50287C NL50287DA NL50287C NL 50287 C NL50287 C NL 50287C NL 50287D A NL50287D A NL 50287DA NL 50287 C NL50287 C NL 50287C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Alarm Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3286635A | 1935-07-24 | 1935-07-24 | |
| US32867A US2069251A (en) | 1935-07-24 | 1935-07-24 | Interconnecting telegraph repeater system |
| US32859A US2069224A (en) | 1935-07-24 | 1935-07-24 | Interconnecting telegraph repeater system |
| US32858A US2069223A (en) | 1935-07-24 | 1935-07-24 | Interconnecting telegraph repeater system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL50287C true NL50287C (en) |
Family
ID=27488046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL50287D NL50287C (en) | 1935-07-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2056277A (en) |
| DE (1) | DE684591C (en) |
| FR (1) | FR812110A (en) |
| GB (1) | GB464551A (en) |
| NL (1) | NL50287C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR958997A (en) * | 1942-05-02 | 1950-03-22 | ||
| US2634333A (en) * | 1949-09-15 | 1953-04-07 | Bell Telephone Labor Inc | Telegraph hub repeater circuit |
-
0
- NL NL50287D patent/NL50287C/xx active
- US US2056277D patent/US2056277A/en not_active Expired - Lifetime
-
1936
- 1936-07-18 GB GB19939/36A patent/GB464551A/en not_active Expired
- 1936-07-23 FR FR812110D patent/FR812110A/en not_active Expired
- 1936-07-24 DE DEI55613D patent/DE684591C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB464551A (en) | 1937-04-20 |
| FR812110A (en) | 1937-04-30 |
| US2056277A (en) | 1936-10-06 |
| DE684591C (en) | 1939-12-02 |