NL7107599A - - Google Patents
Info
- Publication number
- NL7107599A NL7107599A NL7107599A NL7107599A NL7107599A NL 7107599 A NL7107599 A NL 7107599A NL 7107599 A NL7107599 A NL 7107599A NL 7107599 A NL7107599 A NL 7107599A NL 7107599 A NL7107599 A NL 7107599A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702028400 DE2028400B2 (de) | 1970-06-09 | 1970-06-09 | Tastschaltung für eine programmierte Frequenzwahl in Rundfunk- und Fernsehgeräten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7107599A true NL7107599A (forum.php) | 1971-12-13 |
Family
ID=5773495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7107599A NL7107599A (forum.php) | 1970-06-09 | 1971-06-03 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE768264A (forum.php) |
| DE (1) | DE2028400B2 (forum.php) |
| FR (1) | FR2094151B1 (forum.php) |
| NL (1) | NL7107599A (forum.php) |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3264566A (en) * | 1962-07-13 | 1966-08-02 | Gen Instrument Corp | Electronic switching of tuned circuits |
| US3226495A (en) * | 1962-10-04 | 1965-12-28 | Fujitsu Ltd | Rotary switch structure with saddleshaped insulator and two-legged contact brush |
| DE1223898B (de) * | 1963-12-07 | 1966-09-01 | Telefunken Patent | Schaltung zur Fernabstimmung eines Antennenverstaerkers |
| DE1466450B2 (de) * | 1963-12-18 | 1972-03-02 | Telefunken Patentverwertungsge Seilschaft mbH, 7900 Ulm | Abstimmeinrichtung fuer geraete der hochfrequenz nachrichten technik insbesondere fernsehempfaenger |
| DE1246091C2 (de) * | 1964-10-17 | 1976-04-29 | Preh Elektrofeinmechanische Werke Jakob Preh Nachf., 8740 Bad Neustadt | Einstellaggregat |
| DE1540231C3 (de) * | 1965-08-12 | 1974-06-27 | Norddeutsche Mende Rundfunk Kg, 2800 Bremen | Drehpotentiometer, insbesondere zum Einstellen verschiedener Vorspannungen für Kipazitätsdioden |
| DE1273018B (de) * | 1966-04-09 | 1968-07-18 | Telefunken Patent | Abstimmeinrichtung mit durch Kapazitaetsdioden abstimmbaren Schwingkreisen |
| GB1181386A (en) * | 1966-05-06 | 1970-02-18 | Orega Electro Mecanique | Improvements in or relating to UHF-VHF selector circuits |
| FR1546633A (fr) * | 1966-08-30 | 1968-11-22 | Matsushita Electric Industrial Co Ltd | Perfectionnements apportés aux dispositifs d'accord |
| FR1524115A (fr) * | 1967-01-25 | 1968-05-10 | Orega Electro Mecanique | Commutateur u.h.f. - v.h.f. pour récepteur de télévision |
| FR1557474A (forum.php) * | 1967-03-30 | 1969-02-14 | ||
| US3509467A (en) * | 1967-09-20 | 1970-04-28 | Gen Dynamics Corp | Multiband electronic tuner |
| FR1538941A (fr) * | 1967-10-04 | 1968-09-06 | Gen Dynamics Corp | Dispositif d'accord amplificateur à haute fréquence et à plusieurs bandes |
| GB1281061A (en) * | 1968-08-30 | 1972-07-12 | Matsushita Electric Industrial Co Ltd | Channel selector and tuner combination |
| DE1911898B2 (de) * | 1969-03-08 | 1978-08-10 | Preh, Elektrofeinmechanische Werke Jakob Preh Nachf., 8740 Bad Neustadt | Kanalwahlaggregat für HF-Empfänger |
| US3596183A (en) * | 1969-04-18 | 1971-07-27 | Motorola Inc | Multiband tuning control system with programmable electronic switching |
| DE1921561A1 (de) * | 1969-04-28 | 1970-11-26 | Nordmende | Motorschalter fuer Fernseh- und Rundfunkempfangsgeraete |
-
1970
- 1970-06-09 DE DE19702028400 patent/DE2028400B2/de not_active Withdrawn
-
1971
- 1971-06-03 NL NL7107599A patent/NL7107599A/xx not_active Application Discontinuation
- 1971-06-09 BE BE768264A patent/BE768264A/xx unknown
- 1971-06-09 FR FR7120911A patent/FR2094151B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2028400B2 (de) | 1978-04-27 |
| DE2028400A1 (de) | 1971-12-16 |
| FR2094151B1 (forum.php) | 1975-08-22 |
| BE768264A (fr) | 1971-12-09 |
| FR2094151A1 (forum.php) | 1972-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |