NL45026C - - Google Patents
Info
- Publication number
- NL45026C NL45026C NL45026DA NL45026C NL 45026 C NL45026 C NL 45026C NL 45026D A NL45026D A NL 45026DA NL 45026 C NL45026 C NL 45026C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0153—Electrical filters; Controlling thereof
- H03H7/0161—Bandpass filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/18—Automatic control in untuned amplifiers
- H03G5/20—Automatic control in untuned amplifiers having discharge tubes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/24—Automatic control in frequency-selective amplifiers
- H03G5/26—Automatic control in frequency-selective amplifiers having discharge tubes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB29161/34A GB442685A (en) | 1934-10-11 | 1934-10-11 | Improvements in the variable coupling of electrical oscillatory circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL45026C true NL45026C (OSRAM) | 1938-09-15 |
Family
ID=10287096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL45026D NL45026C (OSRAM) | 1934-10-11 | 1935-10-11 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2189768A (OSRAM) |
| DE (1) | DE652194C (OSRAM) |
| FR (1) | FR796167A (OSRAM) |
| GB (1) | GB442685A (OSRAM) |
| NL (1) | NL45026C (OSRAM) |
-
1934
- 1934-10-11 GB GB29161/34A patent/GB442685A/en not_active Expired
-
1935
- 1935-10-02 US US43191A patent/US2189768A/en not_active Expired - Lifetime
- 1935-10-10 FR FR796167D patent/FR796167A/fr not_active Expired
- 1935-10-11 NL NL45026D patent/NL45026C/xx active
- 1935-10-12 DE DEM132334D patent/DE652194C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE652194C (de) | 1937-10-27 |
| GB442685A (en) | 1936-02-13 |
| FR796167A (fr) | 1936-03-31 |
| US2189768A (en) | 1940-02-13 |