BE500510A - - Google Patents
Info
- Publication number
- BE500510A BE500510A BE500510DA BE500510A BE 500510 A BE500510 A BE 500510A BE 500510D A BE500510D A BE 500510DA BE 500510 A BE500510 A BE 500510A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL288598X | 1950-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE500510A true BE500510A (is) |
Family
ID=19782641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE500510D BE500510A (is) | 1950-01-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2657282A (is) |
| BE (1) | BE500510A (is) |
| CH (1) | CH288598A (is) |
| DE (1) | DE835904C (is) |
| FR (1) | FR1030831A (is) |
| GB (1) | GB687683A (is) |
| NL (2) | NL83154C (is) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2775656A (en) * | 1950-09-27 | 1956-12-25 | Emi Ltd | Electron discharge tube amplifiers |
| NL94967C (is) * | 1953-06-01 | |||
| US2909623A (en) * | 1957-06-27 | 1959-10-20 | Bell Telephone Labor Inc | Interlaced feedback amplifier |
| US3002157A (en) * | 1957-09-09 | 1961-09-26 | Dresser Ind | Low distortion amplifier |
| US9744542B2 (en) | 2013-07-29 | 2017-08-29 | Apeel Technology, Inc. | Agricultural skin grafting |
| EP3673738B1 (en) | 2015-05-20 | 2024-02-28 | Apeel Technology, Inc. | Plant extract compositions and methods of preparation thereof |
| US10266708B2 (en) | 2015-09-16 | 2019-04-23 | Apeel Technology, Inc. | Precursor compounds for molecular coatings |
| CN108966638B (zh) | 2015-12-10 | 2021-01-26 | 阿比尔技术公司 | 用于形成保护性涂层的植物提取物组合物 |
| TWI731928B (zh) | 2016-01-26 | 2021-07-01 | 美商ａＰＥＥＬ科技公司 | 製備及保存經消毒產品之方法 |
| CN110087475B (zh) | 2016-11-17 | 2023-04-11 | 阿比尔技术公司 | 由植物提取物形成的组合物及其制备方法 |
| US12245605B2 (en) | 2018-09-05 | 2025-03-11 | Apeel Technology, Inc. | Compounds and formulations for protective coatings |
| EP4114181A1 (en) | 2020-03-04 | 2023-01-11 | Apeel Technology, Inc. | Coated agricultural products and corresponding methods |
| MX2023004343A (es) | 2020-10-30 | 2023-05-08 | Apeel Tech Inc | Composiciones y metodos de preparacion de las mismas. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB467430A (en) * | 1935-12-16 | 1937-06-16 | Marconi Wireless Telegraph Co | Improvements in or relating to thermionic amplifiers |
| US2227048A (en) * | 1938-07-09 | 1940-12-31 | Bell Telephone Labor Inc | Negative feedback amplifier |
| US2196844A (en) * | 1939-04-26 | 1940-04-09 | Bell Telephone Labor Inc | Wave amplifying system |
| US2337423A (en) * | 1942-10-01 | 1943-12-21 | Bell Telephone Labor Inc | Negative feed-back amplifier |
| US2490805A (en) * | 1945-10-11 | 1949-12-13 | Allen E Hastings | Frequency selective amplifier |
-
0
- NL NL656501399A patent/NL150959B/xx unknown
- BE BE500510D patent/BE500510A/xx unknown
- NL NL83154D patent/NL83154C/xx active
-
1950
- 1950-12-22 US US202299A patent/US2657282A/en not_active Expired - Lifetime
-
1951
- 1951-01-08 GB GB523/51A patent/GB687683A/en not_active Expired
- 1951-01-09 FR FR1030831D patent/FR1030831A/fr not_active Expired
- 1951-01-09 DE DEN3337A patent/DE835904C/de not_active Expired
- 1951-01-09 CH CH288598D patent/CH288598A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1030831A (fr) | 1953-06-17 |
| GB687683A (en) | 1953-02-18 |
| CH288598A (de) | 1953-01-31 |
| DE835904C (de) | 1952-04-07 |
| NL83154C (is) | |
| US2657282A (en) | 1953-10-27 |
| NL150959B (nl) |