FR956050A - - Google Patents
Info
- Publication number
- FR956050A FR956050A FR956050DA FR956050A FR 956050 A FR956050 A FR 956050A FR 956050D A FR956050D A FR 956050DA FR 956050 A FR956050 A FR 956050A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/36—DC amplifiers in which all stages are DC-coupled with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- X-Ray Techniques (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL646581X | 1946-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR956050A true FR956050A (nl) | 1950-01-23 |
Family
ID=19791943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR956050D Expired FR956050A (nl) | 1946-10-25 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2490727A (nl) |
| DE (1) | DE854959C (nl) |
| FR (1) | FR956050A (nl) |
| GB (1) | GB646581A (nl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE903698C (de) * | 1951-07-24 | 1954-02-08 | Siemens Ag | Eingangsschaltung fuer Gleichspannungsverstaerker |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB644072A (en) * | 1947-10-07 | 1950-10-04 | Emi Ltd | Improvements relating to arrangements for selecting different signals in thermionic valve circuits |
| US2685000A (en) * | 1949-04-29 | 1954-07-27 | Rca Corp | Stabilized direct current amplifier |
| US2795653A (en) * | 1953-11-12 | 1957-06-11 | Reeves Instrument Corp | Vacuum tube voltmeter amplifier circuit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1820212A (en) * | 1929-11-07 | 1931-08-25 | Bauer Paul Sherman | Electric meter |
| US1926568A (en) * | 1930-02-21 | 1933-09-12 | Stanolind Oil & Gas Co | Direct current amplifier and method of operating same |
| US2043107A (en) * | 1933-05-20 | 1936-06-02 | Paul H Macneil | Direct current amplifier |
| NL54228C (nl) * | 1937-10-09 | |||
| US2413788A (en) * | 1942-05-11 | 1947-01-07 | Gen Motors Corp | Amplifier for small voltages |
| US2442298A (en) * | 1944-05-29 | 1948-05-25 | Gen Motors Corp | Modulated heat ray detector |
-
0
- FR FR956050D patent/FR956050A/fr not_active Expired
-
1947
- 1947-10-22 GB GB28294/47A patent/GB646581A/en not_active Expired
- 1947-12-06 US US790176A patent/US2490727A/en not_active Expired - Lifetime
-
1948
- 1948-11-04 DE DEP20539D patent/DE854959C/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE903698C (de) * | 1951-07-24 | 1954-02-08 | Siemens Ag | Eingangsschaltung fuer Gleichspannungsverstaerker |
Also Published As
| Publication number | Publication date |
|---|---|
| DE854959C (de) | 1952-11-10 |
| GB646581A (en) | 1950-11-22 |
| US2490727A (en) | 1949-12-06 |