KR100247832B1 - 고주파 전자기기 - Google Patents

고주파 전자기기 Download PDF

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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
Application number
KR1019980014621A
Other languages
English (en)
Korean (ko)
Other versions
KR19980081684A (ko
Inventor
마사히코 사이토
미치노리 사사키
Original Assignee
가타오카 마사타카
알프스 덴키 가부시키가이샤
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 가타오카 마사타카, 알프스 덴키 가부시키가이샤 filed Critical 가타오카 마사타카
Publication of KR19980081684A publication Critical patent/KR19980081684A/ko
Application granted granted Critical
Publication of KR100247832B1 publication Critical patent/KR100247832B1/ko

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)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
KR1019980014621A 1997-04-25 1998-04-24 고주파 전자기기 KR100247832B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9-109846 1997-04-25
JP10984697A JP3573591B2 (ja) 1997-04-25 1997-04-25 高周波電子機器

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JP3573591B2 (ja) 2004-10-06
KR19980081684A (ko) 1998-11-25
CN1090843C (zh) 2002-09-11
CN1198617A (zh) 1998-11-11
GB9807410D0 (en) 1998-06-03
MY120737A (en) 2005-11-30
GB2324665B (en) 2001-01-03
GB2324665A (en) 1998-10-28
JPH10303766A (ja) 1998-11-13

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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