PL224632A1 - - Google Patents
Info
- Publication number
- PL224632A1 PL224632A1 PL22463280A PL22463280A PL224632A1 PL 224632 A1 PL224632 A1 PL 224632A1 PL 22463280 A PL22463280 A PL 22463280A PL 22463280 A PL22463280 A PL 22463280A PL 224632 A1 PL224632 A1 PL 224632A1
- Authority
- PL
- Poland
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
-
- 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
- H03J5/0263—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 the digital values being held in an auxiliary non erasable memory
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
- H03J1/0033—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for voltage synthesis with a D/A converter
-
- 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
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
-
- 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
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4376479A | 1979-05-30 | 1979-05-30 | |
| US06/043,765 US4254506A (en) | 1979-05-30 | 1979-05-30 | Channel identification apparatus useful in a multiband sweep type tuning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL224632A1 true PL224632A1 (en) | 1981-02-27 |
| PL130381B1 PL130381B1 (en) | 1984-08-31 |
Family
ID=26720795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1980224632A PL130381B1 (en) | 1979-05-30 | 1980-05-30 | Apparatus for tuning tv receiver to various channels |
Country Status (11)
| Country | Link |
|---|---|
| KR (1) | KR830002299B1 (en) |
| AU (1) | AU532355B2 (en) |
| DE (1) | DE3020663A1 (en) |
| ES (1) | ES8103524A1 (en) |
| FI (1) | FI801674A (en) |
| FR (1) | FR2458189A1 (en) |
| GB (1) | GB2052903B (en) |
| IT (1) | IT1131190B (en) |
| NZ (1) | NZ193794A (en) |
| PL (1) | PL130381B1 (en) |
| SE (1) | SE8003855L (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4291413A (en) * | 1979-09-28 | 1981-09-22 | Rca Corporation | Search type tuning system with direct address channel selection apparatus |
| ES8406020A1 (en) * | 1982-09-01 | 1984-06-16 | Rca Corp | Digital aft system |
| DE3342949A1 (en) * | 1983-11-26 | 1985-06-05 | Srg Schweizerische Radio- Und Fernsehgesellschaft, Bern | Method for identifying the channel selection in a broadcast receiver |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1033478A (en) * | 1974-07-18 | 1978-06-20 | Sanyo Electric Co. Ltd. | Automatic tuning apparatus |
| DE2556951B2 (en) * | 1974-12-27 | 1981-07-16 | Fujitsu Ten Ltd., Kobe, Hyogo | Tuning device for radio receivers |
| US4048562A (en) * | 1975-05-22 | 1977-09-13 | A. C. Nielsen Company | Monitoring system for voltage tunable receivers and converters utilizing voltage comparison techniques |
| JPS5267201A (en) * | 1975-12-01 | 1977-06-03 | Matsushita Electric Ind Co Ltd | Station selecting unit |
| JPS5810015B2 (en) * | 1975-12-24 | 1983-02-23 | ソニー株式会社 | Senkiyokusouchi |
| US4041535A (en) * | 1976-07-22 | 1977-08-09 | Matsushita Electric Corporation Of America | Frequency synthesizer tuning system with signal seek control |
| US4093922A (en) * | 1977-03-17 | 1978-06-06 | Texas Instruments Incorporated | Microcomputer processing approach for a non-volatile TV station memory tuning system |
| JPS6011852B2 (en) * | 1977-09-28 | 1985-03-28 | ソニー株式会社 | Receiving machine |
| US4164711A (en) * | 1977-10-31 | 1979-08-14 | Rca Corporation | Tuning system including a memory for storing tuning information with user controls arranged to facilitate its programming |
| DE2812113C2 (en) * | 1978-03-20 | 1982-04-29 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | High-frequency receiver with a search device |
-
1980
- 1980-05-21 NZ NZ193794A patent/NZ193794A/en unknown
- 1980-05-22 SE SE8003855A patent/SE8003855L/en not_active Application Discontinuation
- 1980-05-23 AU AU58721/80A patent/AU532355B2/en not_active Ceased
- 1980-05-23 FI FI801674A patent/FI801674A/en not_active Application Discontinuation
- 1980-05-26 IT IT22326/80A patent/IT1131190B/en active
- 1980-05-29 FR FR8011934A patent/FR2458189A1/en not_active Withdrawn
- 1980-05-29 GB GB8017590A patent/GB2052903B/en not_active Expired
- 1980-05-29 ES ES491963A patent/ES8103524A1/en not_active Expired
- 1980-05-29 KR KR1019800002124A patent/KR830002299B1/en active
- 1980-05-30 DE DE19803020663 patent/DE3020663A1/en not_active Ceased
- 1980-05-30 PL PL1980224632A patent/PL130381B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES491963A0 (en) | 1981-02-16 |
| ES8103524A1 (en) | 1981-02-16 |
| GB2052903B (en) | 1983-06-29 |
| AU532355B2 (en) | 1983-09-29 |
| IT1131190B (en) | 1986-06-18 |
| AU5872180A (en) | 1980-12-04 |
| FI801674A (en) | 1980-12-01 |
| DE3020663A1 (en) | 1980-12-11 |
| KR830002299B1 (en) | 1983-10-21 |
| FR2458189A1 (en) | 1980-12-26 |
| KR830003982A (en) | 1983-06-30 |
| GB2052903A (en) | 1981-01-28 |
| PL130381B1 (en) | 1984-08-31 |
| SE8003855L (en) | 1980-12-01 |
| IT8022326A0 (en) | 1980-05-26 |
| NZ193794A (en) | 1984-03-30 |