IT1011951B - Radioricevitore o ricevitore tele visivo con sintonizzazione a pre selezione - Google Patents
Radioricevitore o ricevitore tele visivo con sintonizzazione a pre selezioneInfo
- Publication number
- IT1011951B IT1011951B IT68838/74A IT6883874A IT1011951B IT 1011951 B IT1011951 B IT 1011951B IT 68838/74 A IT68838/74 A IT 68838/74A IT 6883874 A IT6883874 A IT 6883874A IT 1011951 B IT1011951 B IT 1011951B
- Authority
- IT
- Italy
- Prior art keywords
- receiver
- radior
- tele
- visual
- selection tuning
- Prior art date
Links
- 230000000007 visual effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
-
- 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
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7308241A NL7308241A (show.php) | 1973-06-14 | 1973-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1011951B true IT1011951B (it) | 1977-02-10 |
Family
ID=19819076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT68838/74A IT1011951B (it) | 1973-06-14 | 1974-06-11 | Radioricevitore o ricevitore tele visivo con sintonizzazione a pre selezione |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3913041A (show.php) |
| JP (1) | JPS547522B2 (show.php) |
| AR (1) | AR201149A1 (show.php) |
| BR (1) | BR7404787D0 (show.php) |
| CA (1) | CA1006278A (show.php) |
| DE (1) | DE2426475C3 (show.php) |
| ES (1) | ES427205A1 (show.php) |
| FR (1) | FR2233753B1 (show.php) |
| GB (1) | GB1431420A (show.php) |
| IT (1) | IT1011951B (show.php) |
| NL (1) | NL7308241A (show.php) |
| SE (1) | SE388985B (show.php) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52128436A (en) * | 1976-04-15 | 1977-10-27 | Nippon Selen Co Ltd | Yarn wrong part inspective apparatus |
| US6618581B1 (en) | 1999-04-28 | 2003-09-09 | David F. Turner | Radio with pre-selected locked channels for children |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2784369A (en) * | 1953-12-15 | 1957-03-05 | Hartford Nat Bank & Trust Co | Voltage divider |
| US3138754A (en) * | 1958-06-09 | 1964-06-23 | Howe Richardson Scale Co | Printed circuit formula card systems and their components |
| US3586805A (en) * | 1967-10-11 | 1971-06-22 | Clarence B Ziegler Jr | Multiple cam limit switch actuator |
| US3593152A (en) * | 1968-02-16 | 1971-07-13 | Alps Electric Co Ltd | Pushbutton tuner and indicating device therefor |
| US3699496A (en) * | 1968-03-25 | 1972-10-17 | Us Army | Switching matrix |
-
1973
- 1973-06-14 NL NL7308241A patent/NL7308241A/xx unknown
-
1974
- 1974-05-30 US US474807A patent/US3913041A/en not_active Expired - Lifetime
- 1974-05-31 DE DE2426475A patent/DE2426475C3/de not_active Expired
- 1974-06-03 AR AR254046A patent/AR201149A1/es active
- 1974-06-11 GB GB2583774A patent/GB1431420A/en not_active Expired
- 1974-06-11 SE SE7407651A patent/SE388985B/xx unknown
- 1974-06-11 IT IT68838/74A patent/IT1011951B/it active
- 1974-06-11 BR BR4787/74A patent/BR7404787D0/pt unknown
- 1974-06-11 JP JP6701174A patent/JPS547522B2/ja not_active Expired
- 1974-06-11 CA CA202,130A patent/CA1006278A/en not_active Expired
- 1974-06-12 ES ES427205A patent/ES427205A1/es not_active Expired
- 1974-06-13 FR FR7420562A patent/FR2233753B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AR201149A1 (es) | 1975-02-14 |
| GB1431420A (en) | 1976-04-07 |
| SE388985B (sv) | 1976-10-18 |
| DE2426475B2 (de) | 1979-09-13 |
| NL7308241A (show.php) | 1974-12-17 |
| CA1006278A (en) | 1977-03-01 |
| DE2426475A1 (de) | 1975-01-09 |
| US3913041A (en) | 1975-10-14 |
| FR2233753A1 (show.php) | 1975-01-10 |
| ES427205A1 (es) | 1976-07-16 |
| AU6998174A (en) | 1975-12-11 |
| JPS5037302A (show.php) | 1975-04-08 |
| JPS547522B2 (show.php) | 1979-04-07 |
| DE2426475C3 (de) | 1980-05-29 |
| SE7407651L (show.php) | 1974-12-16 |
| BR7404787D0 (pt) | 1975-01-21 |
| FR2233753B1 (show.php) | 1984-04-06 |
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