FR1403806A - Téléviseur à transistors avec commutation uhf-vhf réalisée par diodes - Google Patents
Téléviseur à transistors avec commutation uhf-vhf réalisée par diodesInfo
- Publication number
- FR1403806A FR1403806A FR974371A FR974371A FR1403806A FR 1403806 A FR1403806 A FR 1403806A FR 974371 A FR974371 A FR 974371A FR 974371 A FR974371 A FR 974371A FR 1403806 A FR1403806 A FR 1403806A
- Authority
- FR
- France
- Prior art keywords
- uhf
- diodes
- switching performed
- vhf switching
- television
- 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
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/02—Remote control of amplification, tone or bandwidth
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR974371A FR1403806A (fr) | 1964-05-13 | 1964-05-13 | Téléviseur à transistors avec commutation uhf-vhf réalisée par diodes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR974371A FR1403806A (fr) | 1964-05-13 | 1964-05-13 | Téléviseur à transistors avec commutation uhf-vhf réalisée par diodes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1403806A true FR1403806A (fr) | 1965-06-25 |
Family
ID=8829955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR974371A Expired FR1403806A (fr) | 1964-05-13 | 1964-05-13 | Téléviseur à transistors avec commutation uhf-vhf réalisée par diodes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1403806A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2430695A1 (fr) * | 1978-07-07 | 1980-02-01 | Gen Instrument Corp | Melangeur et commutateur de bande a diodes d'un systeme d'accord a bandes multiples |
EP0126354A2 (fr) * | 1983-05-19 | 1984-11-28 | Deutsche Thomson-Brandt GmbH | Montage d'entrée pour récepteur de télévision |
EP0193995A2 (fr) * | 1985-03-06 | 1986-09-10 | Philips Patentverwaltung GmbH | Agencement de circuit pour un tuner pour la commutation de plusieurs bandes de fréquence |
-
1964
- 1964-05-13 FR FR974371A patent/FR1403806A/fr not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2430695A1 (fr) * | 1978-07-07 | 1980-02-01 | Gen Instrument Corp | Melangeur et commutateur de bande a diodes d'un systeme d'accord a bandes multiples |
EP0126354A2 (fr) * | 1983-05-19 | 1984-11-28 | Deutsche Thomson-Brandt GmbH | Montage d'entrée pour récepteur de télévision |
EP0126354A3 (en) * | 1983-05-19 | 1986-02-19 | Deutsche Thomson-Brandt Gmbh | Input circuit arrangement for a television receiver |
EP0193995A2 (fr) * | 1985-03-06 | 1986-09-10 | Philips Patentverwaltung GmbH | Agencement de circuit pour un tuner pour la commutation de plusieurs bandes de fréquence |
DE3507865A1 (de) * | 1985-03-06 | 1986-09-11 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung fuer einen tuner zur umschaltung mehrerer frequenzbereiche |
EP0193995A3 (en) * | 1985-03-06 | 1987-12-09 | Philips Patentverwaltung Gmbh | Circuit arrangement for a tuner for the commutation of several frequency domains |
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