SE423012B - Manuell kanalvalsanordning - Google Patents
Manuell kanalvalsanordningInfo
- Publication number
- SE423012B SE423012B SE8001393A SE8001393A SE423012B SE 423012 B SE423012 B SE 423012B SE 8001393 A SE8001393 A SE 8001393A SE 8001393 A SE8001393 A SE 8001393A SE 423012 B SE423012 B SE 423012B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- channel selection
- output signal
- manual channel
- sweep
- Prior art date
Links
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000881 depressing effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 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
- 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
- H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
- H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978007189U JPS54111403U (xx) | 1978-01-24 | 1978-01-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8001393L SE8001393L (sv) | 1980-02-22 |
| SE423012B true SE423012B (sv) | 1982-04-05 |
Family
ID=11659089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8001393A SE423012B (sv) | 1978-01-24 | 1980-02-22 | Manuell kanalvalsanordning |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4348770A (xx) |
| EP (1) | EP0007914A4 (xx) |
| JP (1) | JPS54111403U (xx) |
| AU (1) | AU510591B2 (xx) |
| CA (1) | CA1142661A (xx) |
| CH (1) | CH647625A5 (xx) |
| DE (1) | DE2933192A1 (xx) |
| GB (1) | GB2035874B (xx) |
| NL (1) | NL7900515A (xx) |
| SE (1) | SE423012B (xx) |
| WO (1) | WO1979000544A1 (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3730008C2 (de) * | 1987-09-08 | 1996-12-12 | Blohm Voss Ag | Wasserfahrzeug mit mindestens einer Leitflosse weit vor einem Heckpropeller |
| US4906950A (en) * | 1987-08-31 | 1990-03-06 | Aeroquip Corporation | Time-frequency multiplexing system for correcting output amplitude of a tuned circuit due to impedance drift |
| JPH0250606A (ja) * | 1988-08-12 | 1990-02-20 | Nec Corp | 周波数シンセサイザ |
| US20060286949A1 (en) * | 2005-06-21 | 2006-12-21 | Kazuyoshi Imazeki | Frequency sweeping receiver |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3201696A (en) * | 1962-05-29 | 1965-08-17 | Itt | Radio receivers |
| US3467870A (en) * | 1965-02-16 | 1969-09-16 | Trio Corp | Automatic frequency sweep apparatus |
| US3821650A (en) * | 1973-01-26 | 1974-06-28 | Motorola Inc | Phase lock loop electronic tuning system |
| NL7313625A (xx) * | 1973-10-04 | 1973-12-27 | ||
| NL182359C (nl) * | 1974-12-24 | 1988-02-16 | Fujitsu Ten Ltd | Radio-ontvanger. |
| JPS5831053B2 (ja) * | 1975-06-09 | 1983-07-04 | 三洋電機株式会社 | シンセサイザ受信機 |
| US4081752A (en) * | 1975-05-30 | 1978-03-28 | Sanyo Electric Co., Ltd. | Digital frequency synthesizer receiver |
| JPS51147106A (en) * | 1975-06-11 | 1976-12-17 | Sanyo Electric Co Ltd | Auto-tuning receiver |
| JPS5518119A (en) * | 1978-07-26 | 1980-02-08 | Hitachi Ltd | Automatic tuning circuit |
-
1978
- 1978-01-24 JP JP1978007189U patent/JPS54111403U/ja active Pending
-
1979
- 1979-01-23 CH CH8605/79A patent/CH647625A5/de not_active IP Right Cessation
- 1979-01-23 GB GB8004176A patent/GB2035874B/en not_active Expired
- 1979-01-23 NL NL7900515A patent/NL7900515A/xx not_active Application Discontinuation
- 1979-01-23 US US06/217,321 patent/US4348770A/en not_active Expired - Lifetime
- 1979-01-23 AU AU43575/79A patent/AU510591B2/en not_active Expired
- 1979-01-23 WO PCT/JP1979/000015 patent/WO1979000544A1/ja unknown
- 1979-01-23 CA CA000320137A patent/CA1142661A/en not_active Expired
- 1979-01-23 DE DE792933192A patent/DE2933192A1/de not_active Ceased
- 1979-08-13 EP EP19790900106 patent/EP0007914A4/en not_active Withdrawn
-
1980
- 1980-02-22 SE SE8001393A patent/SE423012B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7900515A (nl) | 1979-07-26 |
| CA1142661A (en) | 1983-03-08 |
| JPS54111403U (xx) | 1979-08-06 |
| GB2035874B (en) | 1982-12-01 |
| EP0007914A1 (en) | 1980-02-06 |
| CH647625A5 (de) | 1985-01-31 |
| US4348770A (en) | 1982-09-07 |
| WO1979000544A1 (en) | 1979-08-09 |
| SE8001393L (sv) | 1980-02-22 |
| DE2933192A1 (en) | 1980-12-04 |
| GB2035874A (en) | 1980-06-25 |
| AU510591B2 (en) | 1980-07-03 |
| AU4357579A (en) | 1979-08-02 |
| EP0007914A4 (en) | 1980-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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| NUG | Patent has lapsed |
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