NL28890C - - Google Patents
Info
- Publication number
- NL28890C NL28890C NL28890DA NL28890C NL 28890 C NL28890 C NL 28890C NL 28890D A NL28890D A NL 28890DA NL 28890 C NL28890 C NL 28890C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
- H04B3/487—Testing crosstalk effects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR515619X | 1926-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL28890C true NL28890C (https=) |
Family
ID=8914827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL28890D NL28890C (https=) | 1926-11-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1816663A (https=) |
| BE (1) | BE346622A (https=) |
| DE (1) | DE515619C (https=) |
| FR (1) | FR637945A (https=) |
| GB (1) | GB281311A (https=) |
| NL (1) | NL28890C (https=) |
-
0
- BE BE346622D patent/BE346622A/xx unknown
- NL NL28890D patent/NL28890C/xx active
-
1926
- 1926-11-25 FR FR637945D patent/FR637945A/fr not_active Expired
-
1927
- 1927-10-18 DE DEV23100D patent/DE515619C/de not_active Expired
- 1927-11-21 US US234636A patent/US1816663A/en not_active Expired - Lifetime
- 1927-11-24 GB GB31660/27A patent/GB281311A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE346622A (https=) | |
| FR637945A (fr) | 1928-05-11 |
| DE515619C (de) | 1931-01-12 |
| US1816663A (en) | 1931-07-28 |
| GB281311A (en) | 1929-05-24 |