NL30726C - - Google Patents
Info
- Publication number
- NL30726C NL30726C NL51917A NL51917A NL30726C NL 30726 C NL30726 C NL 30726C NL 51917 A NL51917 A NL 51917A NL 51917 A NL51917 A NL 51917A NL 30726 C NL30726 C NL 30726C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/10—Control of transmission; Equalising by pilot signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Soil Working Implements (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB54/30A GB346004A (en) | 1930-01-01 | 1930-01-01 | Improvements in electrical signalling systems |
| NL51917A NL30726C (it) | 1930-01-01 | 1930-05-31 | |
| DE1930549974D DE549974C (de) | 1930-01-01 | 1930-06-12 | Elektrische UEbertragungsanlage mit einer Mehrzahl von Verstaerkern |
| FR714383D FR714383A (fr) | 1930-01-01 | 1930-07-24 | Perfectionnements aux systèmes électriques de signalisation |
| US501797A US1953462A (en) | 1930-01-01 | 1930-12-12 | Signaling system |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB54/30A GB346004A (en) | 1930-01-01 | 1930-01-01 | Improvements in electrical signalling systems |
| NL51917A NL30726C (it) | 1930-01-01 | 1930-05-31 | |
| DE549974T | 1930-06-12 | ||
| FR714383T | 1930-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL30726C true NL30726C (it) | 1933-09-15 |
Family
ID=9697578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL51917A NL30726C (it) | 1930-01-01 | 1930-05-31 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1953462A (it) |
| DE (1) | DE549974C (it) |
| FR (1) | FR714383A (it) |
| GB (1) | GB346004A (it) |
| NL (1) | NL30726C (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE748784C (de) * | 1937-09-24 | 1944-11-09 | Verfahren zur selbsttaetigen Pegelregelung von insbesondere breiten Frequenzbaendern, die ueber Leitungen mit frequenzabhaengiger Daempfung uebertragen werden | |
| DE859489C (de) * | 1942-09-23 | 1952-12-15 | Siemens Ag | UEbertragungssystem mit mehreren, getrennt geregelten Verstaerkerabschnitten |
| DE866354C (de) * | 1943-05-13 | 1953-02-09 | Aeg | Verfahren zur Pegelregelung |
| US2860180A (en) * | 1953-04-27 | 1958-11-11 | Times Facsimile Corp | Remote control system for continuous facsimile recorder |
| US2927165A (en) * | 1955-01-25 | 1960-03-01 | Fairstein Edward | Non-blocking stabilized feed back amplifier |
-
1930
- 1930-01-01 GB GB54/30A patent/GB346004A/en not_active Expired
- 1930-05-31 NL NL51917A patent/NL30726C/xx active
- 1930-06-12 DE DE1930549974D patent/DE549974C/de not_active Expired
- 1930-07-24 FR FR714383D patent/FR714383A/fr not_active Expired
- 1930-12-12 US US501797A patent/US1953462A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR714383A (fr) | 1931-11-20 |
| GB346004A (en) | 1931-04-01 |
| US1953462A (en) | 1934-04-03 |
| DE549974C (de) | 1932-05-11 |