NL54676C - - Google Patents
Info
- Publication number
- NL54676C NL54676C NL54676DA NL54676C NL 54676 C NL54676 C NL 54676C NL 54676D A NL54676D A NL 54676DA NL 54676 C NL54676 C NL 54676C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
- C10B27/06—Conduit details, e.g. valves
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/66—Amplifiers simultaneously generating oscillations of one frequency and amplifying signals of another frequency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
- H04B3/08—Control of transmission; Equalising by the transmitted signal in negative-feedback path of line amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US210333A US2245565A (en) | 1938-05-27 | 1938-05-27 | Wave translating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL54676C true NL54676C (en:Method) |
Family
ID=22782491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL54676D NL54676C (en:Method) | 1938-05-27 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2245565A (en:Method) |
| DE (1) | DE875213C (en:Method) |
| FR (1) | FR855390A (en:Method) |
| GB (1) | GB528151A (en:Method) |
| NL (1) | NL54676C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2589184A (en) * | 1949-09-13 | 1952-03-11 | Bell Telephone Labor Inc | Electronic impedance equalizer |
-
0
- NL NL54676D patent/NL54676C/xx active
-
1938
- 1938-05-27 US US210333A patent/US2245565A/en not_active Expired - Lifetime
-
1939
- 1939-04-28 GB GB12783/39A patent/GB528151A/en not_active Expired
- 1939-05-24 DE DEW3480D patent/DE875213C/de not_active Expired
- 1939-05-26 FR FR855390D patent/FR855390A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE875213C (de) | 1953-04-30 |
| US2245565A (en) | 1941-06-17 |
| FR855390A (fr) | 1940-05-09 |
| GB528151A (en) | 1940-10-23 |