NL90299C - - Google Patents
Info
- Publication number
- NL90299C NL90299C NL90299DA NL90299C NL 90299 C NL90299 C NL 90299C NL 90299D A NL90299D A NL 90299DA NL 90299 C NL90299 C NL 90299C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
- H01J19/44—Insulation between electrodes or supports within the vacuum space
-
- 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
- H03F3/14—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with amplifying devices having more than three electrodes or more than two PN junctions
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Bipolar Transistors (AREA)
- Bipolar Integrated Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7017/50A GB695019A (en) | 1950-03-21 | 1950-03-21 | Improvements in or relating to amplifiers employing semi-conductors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL90299C true NL90299C (xx) |
Family
ID=9825054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL90299D NL90299C (xx) | 1950-03-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2680159A (xx) |
| DE (1) | DE968666C (xx) |
| FR (1) | FR1034265A (xx) |
| GB (2) | GB682206A (xx) |
| NL (1) | NL90299C (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB692337A (en) * | 1951-10-24 | 1953-06-03 | Standard Telephones Cables Ltd | Improvements in or relating to electron beam tube arrangements |
| US2717342A (en) * | 1952-10-28 | 1955-09-06 | Bell Telephone Labor Inc | Semiconductor translating devices |
| DE1039646B (de) * | 1953-10-19 | 1958-09-25 | Siemens Ag | Verfahren zur Herstellung einer Halbleiteranordnung mit mehreren UEbergaengen zwischen Zonen unterschiedlichen Leitungstyps |
| US2829992A (en) * | 1954-02-02 | 1958-04-08 | Hughes Aircraft Co | Fused junction semiconductor devices and method of making same |
| US2886748A (en) * | 1954-03-15 | 1959-05-12 | Rca Corp | Semiconductor devices |
| US2805347A (en) * | 1954-05-27 | 1957-09-03 | Bell Telephone Labor Inc | Semiconductive devices |
| US2846626A (en) * | 1954-07-28 | 1958-08-05 | Raytheon Mfg Co | Junction transistors and methods of forming them |
| US2889417A (en) * | 1956-01-26 | 1959-06-02 | Honeywell Regulator Co | Tetrode transistor bias circuit |
| CH335368A (fr) * | 1957-12-28 | 1958-12-31 | Suisse Horlogerie | Transistor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2402661A (en) * | 1941-03-01 | 1946-06-25 | Bell Telephone Labor Inc | Alternating current rectifier |
| US2600500A (en) * | 1948-09-24 | 1952-06-17 | Bell Telephone Labor Inc | Semiconductor signal translating device with controlled carrier transit times |
| US2595497A (en) * | 1949-01-22 | 1952-05-06 | Rca Corp | Semiconductor device for two-stage amplifiers |
| US2561411A (en) * | 1950-03-08 | 1951-07-24 | Bell Telephone Labor Inc | Semiconductor signal translating device |
-
0
- NL NL90299D patent/NL90299C/xx active
-
1950
- 1950-03-21 GB GB7018/50A patent/GB682206A/en not_active Expired
- 1950-03-21 GB GB7017/50A patent/GB695019A/en not_active Expired
-
1951
- 1951-03-13 US US215227A patent/US2680159A/en not_active Expired - Lifetime
- 1951-03-21 FR FR1034265D patent/FR1034265A/fr not_active Expired
- 1951-03-21 DE DEI3915A patent/DE968666C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2680159A (en) | 1954-06-01 |
| FR1034265A (fr) | 1953-07-21 |
| DE968666C (de) | 1958-03-20 |
| GB695019A (en) | 1953-08-05 |
| GB682206A (en) | 1952-11-05 |