NL74407C - - Google Patents
Info
- Publication number
- NL74407C NL74407C NL74407DA NL74407C NL 74407 C NL74407 C NL 74407C NL 74407D A NL74407D A NL 74407DA NL 74407 C NL74407 C NL 74407C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
- H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
- H03F3/52—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with tubes only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/005—Reducing noise, e.g. humm, from the supply
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS268700X | 1947-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL74407C true NL74407C (xx) |
Family
ID=5451685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL74407D NL74407C (xx) | 1947-11-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2523240A (xx) |
| CH (1) | CH268700A (xx) |
| FR (1) | FR975166A (xx) |
| GB (1) | GB653548A (xx) |
| NL (1) | NL74407C (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2682638A (en) * | 1950-11-13 | 1954-06-29 | Goodyear Tire & Rubber | Signal powered bridge amplifier |
| US2768250A (en) * | 1951-09-17 | 1956-10-23 | Edward J Stachura | Direct coupled amplifier |
| US2676300A (en) * | 1951-12-06 | 1954-04-20 | Gen Precision Lab Inc | Vacuum tube voltmeter |
| US2791747A (en) * | 1952-03-14 | 1957-05-07 | Louis A Rosenthal | Computing voltmeter |
| US2853604A (en) * | 1954-01-06 | 1958-09-23 | Willis S Campbell | Wave filters |
| CA573236A (en) * | 1954-01-11 | 1959-03-31 | Hewlett-Packard Company | Modified wien bridge oscillator |
| US2886655A (en) * | 1955-06-30 | 1959-05-12 | Mcintosh Lab Inc | Amplifier |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2007172A (en) * | 1933-03-29 | 1935-07-09 | Bell Telephone Labor Inc | Wave translation system |
| US2161844A (en) * | 1935-04-15 | 1939-06-13 | Siemens Ag | Amplifier cascade with negative feedback |
| NL60229C (xx) * | 1940-02-02 |
-
0
- NL NL74407D patent/NL74407C/xx active
-
1948
- 1948-10-27 US US56732A patent/US2523240A/en not_active Expired - Lifetime
- 1948-10-30 CH CH268700D patent/CH268700A/de unknown
- 1948-11-04 GB GB28734/48A patent/GB653548A/en not_active Expired
- 1948-11-16 FR FR975166D patent/FR975166A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH268700A (de) | 1950-05-31 |
| GB653548A (en) | 1951-05-16 |
| US2523240A (en) | 1950-09-19 |
| FR975166A (fr) | 1951-03-02 |