NL7005643A - - Google Patents
Info
- Publication number
- NL7005643A NL7005643A NL7005643A NL7005643A NL7005643A NL 7005643 A NL7005643 A NL 7005643A NL 7005643 A NL7005643 A NL 7005643A NL 7005643 A NL7005643 A NL 7005643A NL 7005643 A NL7005643 A NL 7005643A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
- H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
- H03H2/008—Receiver or amplifier input circuits
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691919625 DE1919625B2 (de) | 1969-04-22 | 1969-04-22 | Empfaenger-eingangsschaltung, insbesondere fuer mittelwelle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7005643A true NL7005643A (de) | 1970-10-26 |
Family
ID=5731516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7005643A NL7005643A (de) | 1969-04-22 | 1970-04-18 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3646449A (de) |
| AU (1) | AU1411770A (de) |
| BE (1) | BE749234A (de) |
| DE (1) | DE1919625B2 (de) |
| FR (1) | FR2046335A5 (de) |
| GB (1) | GB1299747A (de) |
| NL (1) | NL7005643A (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4215312A (en) * | 1977-06-16 | 1980-07-29 | Fujitsu Ten Limited | Radio receiver |
| DE3028099C2 (de) * | 1979-08-02 | 1983-03-24 | Fujitsu Ten Ltd., Kobe, Hyogo | Antenneneingangsschaltung |
| FR2555847B1 (fr) * | 1983-11-25 | 1987-03-20 | Radiotechnique | Filtre de preselection de canaux, notamment pour recepteur de television operant dans une bande etendue de frequences |
| US4646360A (en) * | 1984-03-07 | 1987-02-24 | Rca Corporation | Constant bandwidth RF filter with improved low frequency attenuation |
| GB2213005A (en) * | 1987-11-27 | 1989-08-02 | Philips Electronic Associated | Bandpass filter circuit arrangement |
| GB2213004A (en) * | 1987-11-27 | 1989-08-02 | Philips Electronic Associated | Bandpass filter circuit arrangement |
| US5196845A (en) * | 1988-10-24 | 1993-03-23 | Compagnie Generale Des Etablissements Michelin | Antenna for tire monitoring device |
| SG55257A1 (en) * | 1996-12-30 | 1998-12-21 | Koninkl Philips Electronics Nv | Receiver with a turnable parallel resontant circuit |
| JP3734642B2 (ja) * | 1999-05-25 | 2006-01-11 | パイオニア株式会社 | 入力トラップ回路及びイメージトラップ回路 |
-
1969
- 1969-04-22 DE DE19691919625 patent/DE1919625B2/de not_active Withdrawn
-
1970
- 1970-04-18 NL NL7005643A patent/NL7005643A/xx unknown
- 1970-04-20 BE BE749234D patent/BE749234A/xx unknown
- 1970-04-20 GB GB08834/70A patent/GB1299747A/en not_active Expired
- 1970-04-21 US US30432A patent/US3646449A/en not_active Expired - Lifetime
- 1970-04-21 AU AU14117/70A patent/AU1411770A/en not_active Expired
- 1970-04-22 FR FR7014601A patent/FR2046335A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE749234A (fr) | 1970-10-20 |
| US3646449A (en) | 1972-02-29 |
| AU1411770A (en) | 1971-10-28 |
| DE1919625B2 (de) | 1977-01-20 |
| FR2046335A5 (de) | 1971-03-05 |
| DE1919625A1 (de) | 1970-11-12 |
| GB1299747A (en) | 1972-12-13 |