FR1354392A - Système sélecteur de fréquences perfectionné - Google Patents
Système sélecteur de fréquences perfectionnéInfo
- Publication number
- FR1354392A FR1354392A FR928308A FR928308A FR1354392A FR 1354392 A FR1354392 A FR 1354392A FR 928308 A FR928308 A FR 928308A FR 928308 A FR928308 A FR 928308A FR 1354392 A FR1354392 A FR 1354392A
- Authority
- FR
- France
- Prior art keywords
- frequency selector
- selector system
- advanced frequency
- advanced
- selector
- Prior art date
- 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
- 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
- H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H03J5/244—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR928308A FR1354392A (fr) | 1962-03-19 | 1963-03-18 | Système sélecteur de fréquences perfectionné |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US180465A US3295070A (en) | 1962-03-19 | 1962-03-19 | Diode tuned circuits |
FR928308A FR1354392A (fr) | 1962-03-19 | 1963-03-18 | Système sélecteur de fréquences perfectionné |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1354392A true FR1354392A (fr) | 1964-03-06 |
Family
ID=26200303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR928308A Expired FR1354392A (fr) | 1962-03-19 | 1963-03-18 | Système sélecteur de fréquences perfectionné |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1354392A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0789455A1 (fr) * | 1996-02-08 | 1997-08-13 | Ford Motor Company | Circuit d'accord pour un récepteur de radio |
-
1963
- 1963-03-18 FR FR928308A patent/FR1354392A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0789455A1 (fr) * | 1996-02-08 | 1997-08-13 | Ford Motor Company | Circuit d'accord pour un récepteur de radio |
US5715528A (en) * | 1996-02-08 | 1998-02-03 | Ford Motor Company | Converting capacitance to inductance in a floating resonant |
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