NL57008C - - Google Patents
Info
- Publication number
- NL57008C NL57008C NL57008DA NL57008C NL 57008 C NL57008 C NL 57008C NL 57008D A NL57008D A NL 57008DA NL 57008 C NL57008 C NL 57008C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/005—Reducing noise, e.g. humm, from the supply
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Electron Tubes For Measurement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB12196/38A GB514059A (en) | 1938-04-23 | 1938-04-23 | Improvements in or relating to thermionic amplifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL57008C true NL57008C (en) |
Family
ID=10000096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57008D NL57008C (en) | 1938-04-23 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2252007A (en) |
| BE (1) | BE433886A (en) |
| FR (1) | FR852819A (en) |
| GB (1) | GB514059A (en) |
| NL (1) | NL57008C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE874606C (en) * | 1943-05-03 | 1953-04-23 | Aeg | Broadband amplifier with negative feedback via several stages |
| US2563245A (en) * | 1944-05-12 | 1951-08-07 | Cossor Ltd A C | Voltage combining circuits |
| US2566057A (en) * | 1947-10-02 | 1951-08-28 | Gen Electric | Audio amplifier system |
| US2906937A (en) * | 1956-12-24 | 1959-09-29 | Daystrom Inc | Adjustable electric braking circuit for servo-mechanism |
| US20070280138A1 (en) * | 2006-06-01 | 2007-12-06 | Stern Donald S | Information broadcasting system and method |
-
0
- NL NL57008D patent/NL57008C/xx active
- BE BE433886D patent/BE433886A/xx unknown
-
1938
- 1938-04-23 GB GB12196/38A patent/GB514059A/en not_active Expired
-
1939
- 1939-04-05 US US266128A patent/US2252007A/en not_active Expired - Lifetime
- 1939-04-07 FR FR852819D patent/FR852819A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR852819A (en) | 1940-03-04 |
| GB514059A (en) | 1939-10-30 |
| US2252007A (en) | 1941-08-12 |
| BE433886A (en) |