KR910005672A - Apparatus for judging a viewing channel in a television receiver - Google Patents

Apparatus for judging a viewing channel in a television receiver Download PDF

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Publication number
KR910005672A
KR910005672A KR1019890011657A KR890011657A KR910005672A KR 910005672 A KR910005672 A KR 910005672A KR 1019890011657 A KR1019890011657 A KR 1019890011657A KR 890011657 A KR890011657 A KR 890011657A KR 910005672 A KR910005672 A KR 910005672A
Authority
KR
South Korea
Prior art keywords
television receiver
tuner
viewing channel
mpu
mixer
Prior art date
Application number
KR1019890011657A
Other languages
Korean (ko)
Other versions
KR930006664B1 (en
Inventor
후미오 와타나베
요시카즈 이토오
Original Assignee
이시카와 마사노부
가부시끼가이샤 비데오. 리사아치
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.)
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Publication date
Application filed by 이시카와 마사노부, 가부시끼가이샤 비데오. 리사아치 filed Critical 이시카와 마사노부
Priority to KR1019890011657A priority Critical patent/KR930006664B1/en
Publication of KR910005672A publication Critical patent/KR910005672A/en
Application granted granted Critical
Publication of KR930006664B1 publication Critical patent/KR930006664B1/en

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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
    • 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

Abstract

내용 없음No content

Description

텔레비전 수상기에서의 시청채널의 판정장치Apparatus for determining viewing channel in television receiver

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명의 장치의 실시예를 나타내는 도면.2 shows an embodiment of the device of the invention.

제3도는 안테나 결합기(21)의 구성을 나타내는 도면.3 is a diagram showing the configuration of the antenna coupler 21. FIG.

제4도는 온,오프 판정기의 구성을 나타내는 도면.4 is a diagram showing the configuration of an on / off determiner.

Claims (3)

입력측은 안테나에 접속되고, 출력측은 텔레비전 수상기(22)및 튜너(23)에 접속되는 안테나 결합기(21)와, 상기 튜너(23)는, 그 입력측에 배치되어 있는 고주파 증폭기(26)와, 상기 고주파 증폭기(26)에 접속되는 혼합기(27)와, 상기 혼합기에 접속되는 극부발진기(28)와를 구비하며, 상기 튜너(23)의 혼합기(27)는 중간주파 증폭기(29)및 검파회로(30)를 통하여 마이크로 프로세서 유니트(MPU) (25)에 접속되며, 상기 마이크로 프로세서 유니트(MPU) (25)는 상기 텔레비전 수상기(22)가 시청되고 있는 경우, 이 시청채널을 판정하기 위하여 채널을 스캔하는 튜너 콘트롤 신호를 튜너 콘트롤 회로(PLL)(31)는 상기 극부발진기(28)로 부터의 국부발진 주파수가 부여되고, 상기 국부발진기(28)에 신호를 출력하도록 구성되어 있는 것을 특징으로 하는 텔레비전 수상기에서의 시청채널 판정장치.An antenna coupler 21 connected to an input side connected to an antenna, an output side connected to a television receiver 22 and a tuner 23, and the tuner 23 having a high frequency amplifier 26 disposed on the input side thereof, And a mixer 27 connected to the high frequency amplifier 26 and a pole oscillator 28 connected to the mixer. The mixer 27 of the tuner 23 includes an intermediate frequency amplifier 29 and a detection circuit 30. Is connected to a microprocessor unit (MPU) 25, and the microprocessor unit (MPU) 25 scans a channel to determine this viewing channel when the television receiver 22 is being watched. A tuner control signal (PLL) 31 is provided with a local oscillation frequency from the pole oscillator 28, and is configured to output a signal to the local oscillator 28. City hall in Determining device. 제1항에 있어서, 텔레비전 수상기(22)와 마이크로 프로세서 유니트(MPU)(25)의 사이에는, 온,오프 판정기(24)가 형성되어 있는 텔레비전 수상기에서의 시청 채널 판정장치.An apparatus for determining a viewing channel in a television receiver according to claim 1, wherein an on / off determiner (24) is formed between the television receiver (22) and the microprocessor unit (MPU) (25). 제1항에 있어서, 튜너콘트롤 회로(PLL)(31)에는 튜너밴드 스위치(33)가 형성되어 잇는 텔레비전 수상기에서의 시청채널 판정장치.The apparatus of claim 1, wherein a tuner band switch (33) is formed in the tuner control circuit (PLL) (31). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890011657A 1989-08-16 1989-08-16 Apparatus for recognizing whether tv is activated or not KR930006664B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890011657A KR930006664B1 (en) 1989-08-16 1989-08-16 Apparatus for recognizing whether tv is activated or not

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890011657A KR930006664B1 (en) 1989-08-16 1989-08-16 Apparatus for recognizing whether tv is activated or not

Publications (2)

Publication Number Publication Date
KR910005672A true KR910005672A (en) 1991-03-30
KR930006664B1 KR930006664B1 (en) 1993-07-22

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ID=19288969

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890011657A KR930006664B1 (en) 1989-08-16 1989-08-16 Apparatus for recognizing whether tv is activated or not

Country Status (1)

Country Link
KR (1) KR930006664B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100525501B1 (en) * 2001-12-22 2005-11-02 주식회사 폴리테크 Method for Preparing Molded Article Using Recycled Paper
US8569066B2 (en) 2006-12-29 2013-10-29 Cj Cheiljedang Corporation Genetically engineered recombinant Escherichia coli producing L-tryptophan having originally L-phenylalanine productivity, and method for producing L-tryptophan using the microorganism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100525501B1 (en) * 2001-12-22 2005-11-02 주식회사 폴리테크 Method for Preparing Molded Article Using Recycled Paper
US8569066B2 (en) 2006-12-29 2013-10-29 Cj Cheiljedang Corporation Genetically engineered recombinant Escherichia coli producing L-tryptophan having originally L-phenylalanine productivity, and method for producing L-tryptophan using the microorganism
US8945907B2 (en) 2006-12-29 2015-02-03 Cj Cheiljedang Corporation Genetically engineered recombinant Escherichia coli producing L-tryptophan having originally L-phenylalanine productivity, and method for producing L-tryptophan using the microorganism

Also Published As

Publication number Publication date
KR930006664B1 (en) 1993-07-22

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