KR100247832B1 - 고주파 전자기기 - Google Patents
고주파 전자기기 Download PDFInfo
- Publication number
- KR100247832B1 KR100247832B1 KR1019980014621A KR19980014621A KR100247832B1 KR 100247832 B1 KR100247832 B1 KR 100247832B1 KR 1019980014621 A KR1019980014621 A KR 1019980014621A KR 19980014621 A KR19980014621 A KR 19980014621A KR 100247832 B1 KR100247832 B1 KR 100247832B1
- Authority
- KR
- South Korea
- Prior art keywords
- uhf
- high frequency
- mixer
- pass filter
- low pass
- Prior art date
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
- H04N5/4446—IF amplifier circuits specially adapted for B&W TV
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
- H04N5/7755—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver the recorder being connected to, or coupled with, the antenna of the television receiver
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10984697A JP3573591B2 (ja) | 1997-04-25 | 1997-04-25 | 高周波電子機器 |
JP9-109846 | 1997-04-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980081684A KR19980081684A (ko) | 1998-11-25 |
KR100247832B1 true KR100247832B1 (ko) | 2000-03-15 |
Family
ID=14520685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980014621A KR100247832B1 (ko) | 1997-04-25 | 1998-04-24 | 고주파 전자기기 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP3573591B2 (ja) |
KR (1) | KR100247832B1 (ja) |
CN (1) | CN1090843C (ja) |
GB (1) | GB2324665B (ja) |
MY (1) | MY120737A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2798545A1 (fr) * | 1999-09-14 | 2001-03-16 | Koninkl Philips Electronics Nv | Procede de demodulation preservant une grande purete spectrale |
JP2003060998A (ja) * | 2001-08-21 | 2003-02-28 | Mitsumi Electric Co Ltd | Rfモジュレータ |
CN102545959B (zh) * | 2012-02-09 | 2014-03-12 | 成都中亚通茂科技有限公司 | 多频点宽带信号发生器以及信号处理方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5456522U (ja) * | 1977-09-28 | 1979-04-19 | ||
US4894720A (en) * | 1987-07-31 | 1990-01-16 | Sanyo Electric Co., Ltd. | Circuit for selectively outputting high frequency signals |
JP2661499B2 (ja) * | 1993-03-08 | 1997-10-08 | 関西日本電気株式会社 | チューナユニット |
-
1997
- 1997-04-25 JP JP10984697A patent/JP3573591B2/ja not_active Expired - Fee Related
-
1998
- 1998-04-07 GB GB9807410A patent/GB2324665B/en not_active Expired - Fee Related
- 1998-04-23 MY MYPI98001822A patent/MY120737A/en unknown
- 1998-04-24 KR KR1019980014621A patent/KR100247832B1/ko not_active IP Right Cessation
- 1998-04-24 CN CN98101658A patent/CN1090843C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2324665B (en) | 2001-01-03 |
MY120737A (en) | 2005-11-30 |
CN1090843C (zh) | 2002-09-11 |
JPH10303766A (ja) | 1998-11-13 |
KR19980081684A (ko) | 1998-11-25 |
CN1198617A (zh) | 1998-11-11 |
GB2324665A (en) | 1998-10-28 |
JP3573591B2 (ja) | 2004-10-06 |
GB9807410D0 (en) | 1998-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20071004 Year of fee payment: 9 |
|
LAPS | Lapse due to unpaid annual fee |