BE518900A - - Google Patents
Info
- Publication number
- BE518900A BE518900A BE518900DA BE518900A BE 518900 A BE518900 A BE 518900A BE 518900D A BE518900D A BE 518900DA BE 518900 A BE518900 A BE 518900A
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1058626T | 1952-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE518900A true BE518900A (en:Method) |
Family
ID=9598691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE518900D BE518900A (en:Method) | 1952-06-23 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2774826A (en:Method) |
| BE (1) | BE518900A (en:Method) |
| CH (1) | CH323451A (en:Method) |
| FR (1) | FR1058626A (en:Method) |
| GB (1) | GB724682A (en:Method) |
| NL (1) | NL175223B (en:Method) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL180277B (nl) * | 1953-07-30 | Cordis Corp | Canule voor het inbrengen en manipuleren van een angiografische catheter. | |
| US2920277A (en) * | 1954-01-28 | 1960-01-05 | Philips Corp | Transistor amplifier |
| NL189723B (nl) * | 1954-08-04 | Urlberger Hermann Hans | Mobiele vangrail. | |
| US2861258A (en) * | 1954-09-30 | 1958-11-18 | Ibm | Transistor amplifier circuit |
| US2912597A (en) * | 1954-12-01 | 1959-11-10 | Rca Corp | Inductive d.-c. setting and clamping circuit arrangements |
| NL91579C (en:Method) * | 1955-04-16 | |||
| US2945186A (en) * | 1955-06-24 | 1960-07-12 | Bendix Aviat Corp | Transistor amplifier with variable feedback |
| US2943267A (en) * | 1955-10-31 | 1960-06-28 | Sperry Rand Corp | Series-energized transistor amplifier |
| US2946015A (en) * | 1956-01-13 | 1960-07-19 | Motorola Inc | Amplifier circuit |
| US2999984A (en) * | 1956-02-13 | 1961-09-12 | Honeywell Regulator Co | Series-energized cascaded transistor amplifier |
| US3048659A (en) * | 1959-03-30 | 1962-08-07 | Motorola Inc | Microphone preamplifier |
| US4471316A (en) * | 1981-02-10 | 1984-09-11 | Pass Matvei I | Electric oscillation generator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL148695B (nl) * | 1948-11-06 | Conch Int Methane Ltd | Thermisch geisoleerde houder. | |
| US2647957A (en) * | 1949-06-01 | 1953-08-04 | Bell Telephone Labor Inc | Transistor circuit |
| US2647958A (en) * | 1949-10-25 | 1953-08-04 | Bell Telephone Labor Inc | Voltage and current bias of transistors |
| US2663766A (en) * | 1950-06-28 | 1953-12-22 | Bell Telephone Labor Inc | Transistor amplifier with conjugate input and output circuits |
-
0
- NL NLAANVRAGE7900172,A patent/NL175223B/xx unknown
- BE BE518900D patent/BE518900A/xx unknown
-
1952
- 1952-06-23 FR FR1058626D patent/FR1058626A/fr not_active Expired
-
1953
- 1953-01-16 CH CH323451D patent/CH323451A/fr unknown
- 1953-02-20 GB GB4846/53A patent/GB724682A/en not_active Expired
- 1953-04-10 US US348089A patent/US2774826A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL175223B (nl) | |
| GB724682A (en) | 1955-02-23 |
| CH323451A (fr) | 1957-07-31 |
| US2774826A (en) | 1956-12-18 |
| FR1058626A (fr) | 1954-03-17 |