KR920002761B1 - 다중대역 텔레비젼 수상기용 동조 시스템 - Google Patents
다중대역 텔레비젼 수상기용 동조 시스템 Download PDFInfo
- Publication number
- KR920002761B1 KR920002761B1 KR1019830001278A KR830001278A KR920002761B1 KR 920002761 B1 KR920002761 B1 KR 920002761B1 KR 1019830001278 A KR1019830001278 A KR 1019830001278A KR 830001278 A KR830001278 A KR 830001278A KR 920002761 B1 KR920002761 B1 KR 920002761B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- tuning
- band
- frequency
- resistor
- Prior art date
Links
Images
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
- 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
- H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/246—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection using electronic means
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/363,570 US4418428A (en) | 1982-03-30 | 1982-03-30 | Tuning system for a multi-band television receiver |
US06/363,567 US4418427A (en) | 1982-03-30 | 1982-03-30 | Tuning system for a multi-band television receiver |
US363,570 | 1982-03-30 | ||
US363567 | 1982-03-30 | ||
US363,567 | 1982-03-30 | ||
US363570 | 1982-03-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840004640A KR840004640A (ko) | 1984-10-22 |
KR920002761B1 true KR920002761B1 (ko) | 1992-04-02 |
Family
ID=27002116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019830001278A KR920002761B1 (ko) | 1982-03-30 | 1983-03-29 | 다중대역 텔레비젼 수상기용 동조 시스템 |
Country Status (8)
Country | Link |
---|---|
KR (1) | KR920002761B1 (fi) |
AT (1) | AT386309B (fi) |
DE (1) | DE3311640A1 (fi) |
FI (1) | FI75962C (fi) |
FR (1) | FR2530907B1 (fi) |
GB (1) | GB2117588B (fi) |
HK (1) | HK54389A (fi) |
IT (1) | IT1175304B (fi) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4598423A (en) * | 1985-02-28 | 1986-07-01 | Rca Corporation | Tuning circuit for a multiband tuner |
US4658437A (en) * | 1985-03-01 | 1987-04-14 | Rca Corporation | Tuning voltage tracking arrangement |
DE4132907A1 (de) * | 1991-10-04 | 1993-04-08 | Thomson Brandt Gmbh | Filteranordnung |
DE4318276A1 (de) * | 1993-06-03 | 1994-12-08 | Thomson Brandt Gmbh | Fernsehtuner für terrestrischen Empfang und Satellitenempfang |
DE19628186A1 (de) * | 1996-07-12 | 1998-01-15 | Philips Patentverwaltung | Umschaltbares Bandfilter für Mehrband-Tuner |
US6043721A (en) * | 1998-02-04 | 2000-03-28 | Motorola, Inc. | Dual band amplifier |
US6134452A (en) * | 1998-11-23 | 2000-10-17 | Motorola, Inc. | Multiple band mixer with common local oscillator |
US6298224B1 (en) * | 1999-02-22 | 2001-10-02 | Motorola, Inc. | Multiple frequency band receiver |
JP2002118795A (ja) * | 2000-10-05 | 2002-04-19 | Alps Electric Co Ltd | テレビジョン信号受信チューナー |
GB0122983D0 (en) | 2001-09-25 | 2001-11-14 | Zarlink Semiconductor Ltd | Rdio fequency tuner front end and tuner |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1297171B (de) * | 1967-10-28 | 1969-06-12 | Marcus Elektronik Gmbh | Abstimmeinrichtung fuer hochfrequente elektrische Schwingungen im UHF- und VHF-Bereich |
DE2828838C2 (de) * | 1977-07-01 | 1983-10-20 | Hitachi, Ltd., Tokyo | HF-Eingangsschaltung für Fernsehempfänger |
US4189678A (en) * | 1977-08-18 | 1980-02-19 | Sanyo Electric Co., Ltd. | Combination VHF-UHF tuner for use in a television receiver |
JPS6038063B2 (ja) * | 1978-05-29 | 1985-08-29 | 株式会社日立製作所 | テレビ用チュ−ナ回路 |
JPS6017276B2 (ja) * | 1979-07-02 | 1985-05-01 | 松下電器産業株式会社 | 多方式テレビジョン受像機 |
US4408348A (en) * | 1981-08-19 | 1983-10-04 | Rca Corporation | Multiband tuning system for a television receiver |
-
1983
- 1983-03-23 FI FI830993A patent/FI75962C/fi not_active IP Right Cessation
- 1983-03-24 GB GB08308098A patent/GB2117588B/en not_active Expired
- 1983-03-29 IT IT20349/83A patent/IT1175304B/it active
- 1983-03-29 KR KR1019830001278A patent/KR920002761B1/ko not_active IP Right Cessation
- 1983-03-30 AT AT0112883A patent/AT386309B/de not_active IP Right Cessation
- 1983-03-30 DE DE19833311640 patent/DE3311640A1/de active Granted
- 1983-03-30 FR FR838305275A patent/FR2530907B1/fr not_active Expired - Fee Related
-
1989
- 1989-07-06 HK HK543/89A patent/HK54389A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2530907A1 (fr) | 1984-01-27 |
FI75962B (fi) | 1988-04-29 |
HK54389A (en) | 1989-07-14 |
GB2117588B (en) | 1985-11-27 |
FR2530907B1 (fr) | 1992-02-14 |
IT8320349A0 (it) | 1983-03-29 |
KR840004640A (ko) | 1984-10-22 |
FI830993A0 (fi) | 1983-03-23 |
FI830993L (fi) | 1983-10-01 |
GB2117588A (en) | 1983-10-12 |
DE3311640A1 (de) | 1983-10-13 |
GB8308098D0 (en) | 1983-05-05 |
IT1175304B (it) | 1987-07-01 |
FI75962C (fi) | 1988-08-08 |
DE3311640C2 (fi) | 1990-03-22 |
AT386309B (de) | 1988-08-10 |
ATA112883A (de) | 1987-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4418427A (en) | Tuning system for a multi-band television receiver | |
KR900002956B1 (ko) | 텔레비젼 수신기의 동조 시스템 | |
US4397037A (en) | Diplexer for television tuning systems | |
US4418428A (en) | Tuning system for a multi-band television receiver | |
US4153887A (en) | Electrically tunable bandpass filter | |
JPH0467371B2 (fi) | ||
KR970055313A (ko) | 영상 트랩을 가지는 무선 주파수 필터 장치 | |
US6351294B1 (en) | Television signal receiving tuner capable of receiving FM broadcasting signals without being affected by other interference signals | |
KR930004133B1 (ko) | 동조 가능한 단계간 결합회로 | |
US4476583A (en) | Electronic tracking for tuners | |
KR920002761B1 (ko) | 다중대역 텔레비젼 수상기용 동조 시스템 | |
US5054117A (en) | Tunable UHF filter for switchable VHF/UHF receiver | |
KR100375397B1 (ko) | 텔레비젼신호 수신튜너 | |
US4442548A (en) | Television receiver tuning circuit tunable over a wide frequency range | |
KR960009970B1 (ko) | 트랙킹 특성이 개선된 동조 장치 | |
US5535443A (en) | Negative feedback control circuit having a common line for input and output signal | |
US4628540A (en) | Tuning arrangement having a substantially constant frequency difference between an RF-circuit and an oscillator circuit | |
US6665022B1 (en) | Input circuit of TV tuner | |
US4598425A (en) | All-channel television tuning system | |
EP0270298B1 (en) | Wide range oscillator | |
MXPA97002782A (en) | Entry circuit for a televis tuner | |
GB2312345A (en) | Tuner and image trap circuit for TV with common frequency control | |
KR820000768B1 (ko) | Vhf 튜우너의 단간동조 결합회로(段間同調結合回路) | |
KR900002659Y1 (ko) | 텔레비젼 튜너 | |
JPH04281623A (ja) | チューナ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20010310 Year of fee payment: 10 |
|
LAPS | Lapse due to unpaid annual fee |