DE69020598D1 - Tuner zur Abstimmung auf ausgewählte Stationen. - Google Patents
Tuner zur Abstimmung auf ausgewählte Stationen.Info
- Publication number
- DE69020598D1 DE69020598D1 DE69020598T DE69020598T DE69020598D1 DE 69020598 D1 DE69020598 D1 DE 69020598D1 DE 69020598 T DE69020598 T DE 69020598T DE 69020598 T DE69020598 T DE 69020598T DE 69020598 D1 DE69020598 D1 DE 69020598D1
- Authority
- DE
- Germany
- Prior art keywords
- tuner
- tuning
- selected stations
- stations
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
- H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Superheterodyne Receivers (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3858189A JPH02217024A (ja) | 1989-02-17 | 1989-02-17 | チューナー選局装置 |
JP4956989A JPH02224530A (ja) | 1989-02-27 | 1989-02-27 | チューナ選局装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69020598D1 true DE69020598D1 (de) | 1995-08-10 |
DE69020598T2 DE69020598T2 (de) | 1996-04-04 |
Family
ID=26377844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69020598T Expired - Fee Related DE69020598T2 (de) | 1989-02-17 | 1990-02-14 | Tuner zur Abstimmung auf ausgewählte Stationen. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5179729A (de) |
EP (1) | EP0385181B1 (de) |
CA (1) | CA2010176C (de) |
DE (1) | DE69020598T2 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0548483A (ja) * | 1991-08-12 | 1993-02-26 | Fujitsu Ltd | 周波数変換回路 |
JP2559005B2 (ja) * | 1993-01-07 | 1996-11-27 | 松下電器産業株式会社 | ダブルスーパーチューナ |
KR960007407B1 (ko) * | 1993-03-12 | 1996-05-31 | 삼성전자주식회사 | 스테레오와 듀얼 음성인식 시스템 |
JP2912791B2 (ja) * | 1993-06-01 | 1999-06-28 | 松下電器産業株式会社 | 高周波受信装置 |
FR2728410B1 (fr) * | 1994-12-16 | 1997-01-24 | Thomson Csf | Dispositif de synthese de frequence pour recepteur v/uhf large bande |
US6310922B1 (en) * | 1995-12-12 | 2001-10-30 | Thomson Consumer Electronics, Inc. | Method and apparatus for generating variable rate synchronization signals |
KR100193836B1 (ko) * | 1995-12-29 | 1999-06-15 | 윤종용 | 감소된 위상동기루프를 가지는 디지털 무선통신시스템 및 그 동기화 방법 |
US5937338A (en) * | 1996-03-05 | 1999-08-10 | General Research Of Electronics, Inc. | Scanning radio receiver |
JPH09294088A (ja) * | 1996-04-26 | 1997-11-11 | Toshiba Corp | チューナ回路 |
JP4236059B2 (ja) * | 1997-03-12 | 2009-03-11 | エヌエックスピー ビー ヴィ | 周波数変換回路 |
US6163687A (en) * | 1997-07-22 | 2000-12-19 | Intel Corporation | Tuning module for a dual frequency PLL synthesized tuner |
JPH11127086A (ja) * | 1997-08-19 | 1999-05-11 | Alps Electric Co Ltd | Uhf及びvhf共用チューナ |
DE19747735C2 (de) * | 1997-10-29 | 2003-04-30 | Infineon Technologies Ag | Frequenzsynthesizer für ein Mobilfunkendgerät |
US6064869A (en) * | 1998-03-02 | 2000-05-16 | Motorola, Inc. | Suppression of noise between phase lock loops in a selective call receiver and method therefor |
US6591091B1 (en) * | 1998-11-12 | 2003-07-08 | Broadcom Corporation | System and method for coarse/fine PLL adjustment |
FR2798790B1 (fr) * | 1999-09-17 | 2002-05-24 | Itis | Dispositif de synthese de frequence |
US6947499B2 (en) * | 2000-07-31 | 2005-09-20 | Icom Incorporated | Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal |
JP2002368642A (ja) * | 2001-06-08 | 2002-12-20 | Sony Corp | 受信機およびic |
JP3990123B2 (ja) * | 2001-07-17 | 2007-10-10 | 日本電気株式会社 | サンプラーおよび計測方法 |
JP2004080223A (ja) * | 2002-08-14 | 2004-03-11 | Nec Corp | Afc装置及びその動作制御方法並びにそれを用いた移動通信装置 |
US7052580B2 (en) * | 2003-02-06 | 2006-05-30 | The Procter & Gamble Company | Unitary fibrous structure comprising cellulosic and synthetic fibers |
GB2402564B (en) * | 2003-06-07 | 2006-04-05 | Zarlink Semiconductor Ltd | Multiple conversion tuner |
DE102005054347A1 (de) * | 2005-11-15 | 2007-05-24 | Atmel Duisburg Gmbh | Elektronische Schaltung und Verfahren zum Betreiben einer elektronischen Schaltung |
CN103532574B (zh) * | 2013-06-26 | 2017-02-08 | 中国电子科技集团公司第四十一研究所 | 在接收变频系统中产生任意中频输出的装置 |
US9014323B2 (en) * | 2013-08-30 | 2015-04-21 | Nxp B.V. | Clock synchronizer for aligning remote devices |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3999130A (en) * | 1975-02-21 | 1976-12-21 | The Magnavox Company | Automatic frequency translator for use with a delay/amplitude equalizer |
JPS5612129A (en) * | 1979-07-10 | 1981-02-06 | Matsushita Electric Ind Co Ltd | Synthesizer type receiver |
JPS5769927A (en) * | 1980-10-20 | 1982-04-30 | Matsushita Electric Ind Co Ltd | Pll synthesizer receiver |
JPS5957534A (ja) * | 1982-09-27 | 1984-04-03 | Alps Electric Co Ltd | 衛星放送用受信器の屋内ユニツト |
US4575761A (en) * | 1983-04-28 | 1986-03-11 | Rca Corporation | AFT arrangement for a double conversion tuner |
US4551856A (en) * | 1983-05-16 | 1985-11-05 | Motorola, Inc. | Synthesized multiple conversion receiver system with provision for avoiding receiver self-quieting spurious response |
EP0144394B1 (de) * | 1983-05-16 | 1989-11-15 | Motorola, Inc. | Empfängersystem zur beseitigung von automatischem stummschalten durch rauschabhängiges ansprechen |
US4512035A (en) * | 1983-05-16 | 1985-04-16 | Motorola, Inc. | Method of programming a synthesizer ROM for elimination of receiver self-quieting |
US4581643A (en) * | 1983-07-25 | 1986-04-08 | Rca Corporation | Double conversion television tuner with frequency response control provisions |
-
1990
- 1990-02-14 EP EP90102855A patent/EP0385181B1/de not_active Expired - Lifetime
- 1990-02-14 DE DE69020598T patent/DE69020598T2/de not_active Expired - Fee Related
- 1990-02-15 CA CA002010176A patent/CA2010176C/en not_active Expired - Fee Related
- 1990-02-20 US US07/481,563 patent/US5179729A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2010176A1 (en) | 1990-08-17 |
DE69020598T2 (de) | 1996-04-04 |
CA2010176C (en) | 1998-01-27 |
US5179729A (en) | 1993-01-12 |
EP0385181A1 (de) | 1990-09-05 |
EP0385181B1 (de) | 1995-07-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |