DK18385A - Radiomodtager - Google Patents
Radiomodtager Download PDFInfo
- Publication number
- DK18385A DK18385A DK18385A DK18385A DK18385A DK 18385 A DK18385 A DK 18385A DK 18385 A DK18385 A DK 18385A DK 18385 A DK18385 A DK 18385A DK 18385 A DK18385 A DK 18385A
- Authority
- DK
- Denmark
- Prior art keywords
- oscillator frequencies
- frequency
- select
- receiver
- intermediate frequency
- Prior art date
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
- 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
- H03J5/0272—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
- H03J5/0281—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
- H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/495,307 US4512035A (en) | 1983-05-16 | 1983-05-16 | Method of programming a synthesizer ROM for elimination of receiver self-quieting |
US06/495,308 US4551856A (en) | 1983-05-16 | 1983-05-16 | Synthesized multiple conversion receiver system with provision for avoiding receiver self-quieting spurious response |
US49530783 | 1983-05-16 | ||
US49530883 | 1983-05-16 | ||
US8400735 | 1984-05-14 | ||
PCT/US1984/000735 WO1984004637A1 (en) | 1983-05-16 | 1984-05-14 | A receiver system for eliminating self-quieting spurious responses |
Publications (4)
Publication Number | Publication Date |
---|---|
DK18385D0 DK18385D0 (da) | 1985-01-15 |
DK18385A true DK18385A (da) | 1985-03-15 |
DK166243B DK166243B (da) | 1993-03-22 |
DK166243C DK166243C (da) | 1993-08-16 |
Family
ID=27051720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK018385A DK166243C (da) | 1983-05-16 | 1985-01-15 | Radiomodtager og fremgangsmaade til programmering i en saadan |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0144394B1 (da) |
AU (1) | AU562869B2 (da) |
CA (1) | CA1221741A (da) |
DE (1) | DE3480512D1 (da) |
DK (1) | DK166243C (da) |
FI (1) | FI79211C (da) |
SG (1) | SG4592G (da) |
WO (1) | WO1984004637A1 (da) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4661995A (en) * | 1985-02-21 | 1987-04-28 | Anritsu Electric Co., Limited | Multi-superheterodyne receiver |
JPS63161718A (ja) * | 1986-12-24 | 1988-07-05 | Matsushita Electric Ind Co Ltd | 選局装置 |
FI85636C (fi) * | 1988-08-19 | 1992-05-11 | Nokia Mobira Oy | Foerfarande och koppling foer automatisk, pao en raeknare baserad reglering av frekvensen i en radiotelefon. |
EP0385181B1 (en) * | 1989-02-17 | 1995-07-05 | Matsushita Electric Industrial Co., Ltd. | Tuner station selecting apparatus |
US6002926A (en) * | 1989-09-27 | 1999-12-14 | Nec Corporation | Double superheterodyne type receiving circuit |
GB2250877A (en) * | 1990-09-22 | 1992-06-17 | Motorola Israel Ltd | Shifting spurious frequencies away from signal frequency |
FR2728410B1 (fr) * | 1994-12-16 | 1997-01-24 | Thomson Csf | Dispositif de synthese de frequence pour recepteur v/uhf large bande |
US7043211B1 (en) | 1998-11-30 | 2006-05-09 | General Instrument Corporation | Universal modulator |
ATE266275T1 (de) * | 1998-11-30 | 2004-05-15 | Gen Instrument Corp | Universalmodulator |
FI19991977A (fi) * | 1999-09-16 | 2001-03-16 | Nokia Networks Oy | Menetelmä ja laite signaalin tuottamiseksi |
KR20010059868A (ko) * | 1999-12-30 | 2001-07-06 | 윤종용 | 듀얼 위상동기루프의 주파수 발생 방법 |
DE60130006T2 (de) * | 2000-10-04 | 2008-05-08 | Oticon A/S | Hörgerät mit einem hochfrequenzempfänger |
JP2003198402A (ja) * | 2001-12-21 | 2003-07-11 | Toyota Industries Corp | 受信機 |
GB2402564B (en) * | 2003-06-07 | 2006-04-05 | Zarlink Semiconductor Ltd | Multiple conversion tuner |
TW201401791A (zh) * | 2012-06-18 | 2014-01-01 | Wistron Neweb Corp | 無線通訊系統之射頻接收裝置 |
CN103516372A (zh) * | 2012-06-21 | 2014-01-15 | 启碁科技股份有限公司 | 射频接收装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55121710A (en) * | 1979-03-12 | 1980-09-19 | Clarion Co Ltd | Short-medium wave conversion system |
JPS5612129A (en) * | 1979-07-10 | 1981-02-06 | Matsushita Electric Ind Co Ltd | Synthesizer type receiver |
US4395777A (en) * | 1980-01-12 | 1983-07-26 | Sony Corporation | Double superheterodyne receiver |
JPS5769927A (en) * | 1980-10-20 | 1982-04-30 | Matsushita Electric Ind Co Ltd | Pll synthesizer receiver |
DE3200560A1 (de) * | 1982-01-12 | 1983-07-21 | Robert Bosch Gmbh, 7000 Stuttgart | "verfahren zur unterdrueckung von spiegelwellen- und intermodulationsstoerungen" |
-
1984
- 1984-05-14 WO PCT/US1984/000735 patent/WO1984004637A1/en active IP Right Grant
- 1984-05-14 DE DE8484902256T patent/DE3480512D1/de not_active Expired
- 1984-05-14 AU AU30127/84A patent/AU562869B2/en not_active Ceased
- 1984-05-14 EP EP84902256A patent/EP0144394B1/en not_active Expired
- 1984-05-15 CA CA000454295A patent/CA1221741A/en not_active Expired
-
1985
- 1985-01-15 FI FI850167A patent/FI79211C/fi not_active IP Right Cessation
- 1985-01-15 DK DK018385A patent/DK166243C/da not_active IP Right Cessation
-
1992
- 1992-01-18 SG SG45/92A patent/SG4592G/en unknown
Also Published As
Publication number | Publication date |
---|---|
FI850167L (fi) | 1985-01-15 |
EP0144394A1 (en) | 1985-06-19 |
AU3012784A (en) | 1984-12-04 |
CA1221741A (en) | 1987-05-12 |
DK18385D0 (da) | 1985-01-15 |
FI79211C (fi) | 1989-11-10 |
EP0144394A4 (en) | 1985-12-30 |
WO1984004637A1 (en) | 1984-11-22 |
DK166243C (da) | 1993-08-16 |
FI850167A0 (fi) | 1985-01-15 |
SG4592G (en) | 1992-03-20 |
DK166243B (da) | 1993-03-22 |
AU562869B2 (en) | 1987-06-18 |
DE3480512D1 (en) | 1989-12-21 |
EP0144394B1 (en) | 1989-11-15 |
FI79211B (fi) | 1989-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |