KR920007466A - Channel remote control device for CATV subscriber - Google Patents

Channel remote control device for CATV subscriber Download PDF

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Publication number
KR920007466A
KR920007466A KR1019900015642A KR900015642A KR920007466A KR 920007466 A KR920007466 A KR 920007466A KR 1019900015642 A KR1019900015642 A KR 1019900015642A KR 900015642 A KR900015642 A KR 900015642A KR 920007466 A KR920007466 A KR 920007466A
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KR
South Korea
Prior art keywords
channel
signal
control data
switching means
control
Prior art date
Application number
KR1019900015642A
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Korean (ko)
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KR930005605B1 (en
Inventor
서철
Original Assignee
이종수
금성알프스전자 주식회사
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Priority to KR1019900015642A priority Critical patent/KR930005605B1/en
Publication of KR920007466A publication Critical patent/KR920007466A/en
Application granted granted Critical
Publication of KR930005605B1 publication Critical patent/KR930005605B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/10Adaptations for transmission by electrical cable

Abstract

내용 없음.No content.

Description

CATV가입자용 채널 원격 제어 장치Channel remote control device for CATV subscriber

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

제1도는 본 발명 장치의 블록 구성도.1 is a block diagram of an apparatus of the present invention.

제2도는 본 발명의 실시예의 상세 회로도.2 is a detailed circuit diagram of an embodiment of the present invention.

제3a도 내지 제3d도는 본 발명의 동작설명을 위한 채널제어시의 주파수 스펙트럼.3A to 3D are frequency spectra during channel control for explaining the operation of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : TV신호입력단 2 : TV신호출력단1: TV signal input terminal 2: TV signal output terminal

3-1,…3-N : 스위칭수단 5-1,…5-N : 대역저지수단3-1,... 3-N: switching means 5-1,... 5-N: Band blocking means

6 : 부하단 7 : 대역통과수단6: Load stage 7: Band pass means

8 : 제어데이타 검출수단 9 : 채널제어수단8: control data detection means 9: channel control means

Claims (2)

가입자 고유번호 데이타 및 채널 제어데이타를 포함하는 광대역 TV신호의 입력단(1)과, 선택 제어된 특정 채널의 TV신호를 TV수상기에 입력하는 TV신호출력단(2)과, 상기 TV신호 입,출력단(1, 2)사이에 직렬로 연결되어 특정채널의 TV채널의 통과 여부를 스위칭하는 제1채널 스위칭수단(3-1) 내지 제N채널 스위칭수단(3-N) 및 전채널 스위칭수단(4)과, 상기 제1 내지 제N채널 스위칭수단(3-1,…3-N)에 의하여 특정 채널의 TV신호통과를 저지하는 제1채널 대역저지수단(5-1) 내지 제N채널 대역저지수단(5-N)과, 상기 전 채널 스위칭수단(4)에 의하여 모든 채널의 TV신호가 차단되는 경우의 부하단(6)과, 입력된 TV신호에서 가입자 고유번호 데이타 및 채널 제어데이타를 포함하는 신호만 분리시키는 대역통과수단(7)과, 상기 대역통과수단(7)으로 부터 입력된 신호에서 가입자 고유번호 데이타 및 채널 제어데이타를 검출하여 후단에 출력하는 제어데이타 검출수단(8)과, 상기 제어데이타 검출수단(8)으로 부터 입력된 데이타를 해독하여 가입자 고유번호가 일치하면 측정 채널의 TV신호 수신여부를 스위칭하도록 상기 제1 내지 제N스위칭수단(3-1,…3-N) 및 전 채널 스위칭수단(4)을 제어하는 채널제어수단(9)으로 구성한 것을 특징으로 하는 CATV가입자용 채널 원격 제어장치.An input terminal 1 of a broadband TV signal including subscriber identification number data and channel control data, a TV signal output terminal 2 for inputting a TV signal of a specific channel selected and controlled to the TV receiver, and the TV signal input / output terminal ( First channel switching means 3-1 to N-th channel switching means 3-N and all channel switching means 4 which are connected in series between 1 and 2 to switch whether a TV channel of a specific channel is passed or not. And first channel band blocking means (5-1) to N-th channel band blocking means for blocking TV signal passage of a specific channel by the first to N-th channel switching means (3-1, ... 3-N). (5-N), the load stage 6 when the TV signals of all channels are blocked by the all channel switching means 4, and the subscriber identification number data and the channel control data in the input TV signal. A band pass means (7) for separating only a signal, and a subscriber in a signal input from the band pass means (7). Control data detection means 8 for detecting serial number data and channel control data and outputting them to the next stage, and decoding the data inputted from the control data detection means 8, and if the subscriber unique number matches, the TV signal of the measurement channel. CATV subscriber channel comprising the first to Nth switching means (3-1, ... 3-N) and channel control means (9) for controlling all channel switching means (4) to switch reception or not. Remote control. 제1항에 있어서, 상기 제1 내지 제N채널 스위칭수단(3-1,…3-N) 및 전 채널 스위칭수단(4)은 상기 채널제어수단(9)의 제어신호에 의하여 채널 지지모드(A) 또는 채널통과모드(B) 측으로 전환되는 고주파 스위치로 구성하고, 상기 제1 내지 제N채널 대역저지수단(5-1,…5-N)은 각 채널의 주파수대에 공진되어 해당 채널의 TV신호를 각각 저지하는 코일(L4,…L9) 및 콘덴서(C9,…C14)로 구성하며, 상기 부하단(6)은 TV신호 바이-패스용 저항(R16)으로 구성하고, 상기 대역통과수단(7)은 가입자 고유번호 데이타 및 채널 제어데이타를 포함하도록 방송국측에서 110MHZ로 주파수 천이(FSK)변조하여 송신한 신호에 공진되어 110MHZ신호를 분리시키는 코일(L1, L2, L3) 및 콘덴서(C1,…C7)로 구성하며, 상기 제어데이타 검출수단(8)은 증폭동작을 행하는 트랜지스터(Q1) 및 저항(R1,…R4)과, 주파수 천이 복조를 행하는 IC(801) 및 상기 복조 IC(801)의 120.7MHZ 국부발진회로(802), 10.7MHZ 필터회로(803), 채널정보 검파회로(804)로 구성하고, 상기 채널 제어수단(9)은 클록발생기(901)와, 복조된 제어데이타 입력포트(PI) 및 스위칭 제어 데이타 출력포트(PO…PN)를 구비함과 동시에 가입자 고유번호가 일치하면 스위칭 제어데이타를 출력하는 마이크로 프로세서(902)로 구성한 것을 특징으로 하는 CATV가입자용 채널 원격 제어장치.The channel support mode (1) according to claim 1, wherein the first to Nth channel switching means (3-1, ... 3-N) and all channel switching means (4) are connected to the channel support mode (3) by a control signal of the channel control means (9). A) or a high frequency switch which is switched to the channel passing mode (B) side, wherein the first to Nth channel band blocking means 5-1, ... 5-N are resonated in the frequency band of each channel and A coil (L 4 ,... L 9 ) and a capacitor (C 9 ,... C 14 ) which respectively block the signal, and the load stage 6 is composed of a resistor (R 16 ) for TV signal bypass. The band pass means (7) is a coil (L 1 , L 2 , resonant to the signal transmitted by modulating the frequency shift (FSK) to 110MHZ transmitted by the broadcasting station to include the subscriber identification number data and channel control data (L 1 , L 2 , L 3) and capacitor (C 1, ... C 7), and a configuration, it said control data detection means (8) is a transistor (Q 1) and that performs an amplification operation (R 1, ... R 4) and, 120.7MHZ local oscillator of the IC (801) and the demodulation IC (801) for performing the frequency shifting demodulation circuit (802), 10.7MHZ filter circuit 803, a channel information detection circuit (804 ) configuration, and the channel control means (9) to the clock generator 901 with the demodulated control data input port (PI) and switching the control data output port (P O ... P N) to provided, and at the same time the subscriber identification number Is a microprocessor (902) for outputting the switching control data if the channel remote control device for CATV subscribers. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900015642A 1990-09-29 1990-09-29 Remote control apparatus of catv KR930005605B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900015642A KR930005605B1 (en) 1990-09-29 1990-09-29 Remote control apparatus of catv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900015642A KR930005605B1 (en) 1990-09-29 1990-09-29 Remote control apparatus of catv

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KR920007466A true KR920007466A (en) 1992-04-28
KR930005605B1 KR930005605B1 (en) 1993-06-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100246748B1 (en) * 1995-11-08 2000-03-15 윤종용 Device and method for identification number registration and modification of vod system
US11363893B2 (en) 2018-11-08 2022-06-21 Henry F. Thorne Foldable play yard
US11589686B2 (en) 2019-06-17 2023-02-28 Henry F. Thorne Unfolding play yard

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100246748B1 (en) * 1995-11-08 2000-03-15 윤종용 Device and method for identification number registration and modification of vod system
US11363893B2 (en) 2018-11-08 2022-06-21 Henry F. Thorne Foldable play yard
US11589686B2 (en) 2019-06-17 2023-02-28 Henry F. Thorne Unfolding play yard

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Publication number Publication date
KR930005605B1 (en) 1993-06-23

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