KR920022858A - TV automatic channel switch and method - Google Patents

TV automatic channel switch and method Download PDF

Info

Publication number
KR920022858A
KR920022858A KR1019910008897A KR910008897A KR920022858A KR 920022858 A KR920022858 A KR 920022858A KR 1019910008897 A KR1019910008897 A KR 1019910008897A KR 910008897 A KR910008897 A KR 910008897A KR 920022858 A KR920022858 A KR 920022858A
Authority
KR
South Korea
Prior art keywords
channel
tuning
signal
routine
pilot signal
Prior art date
Application number
KR1019910008897A
Other languages
Korean (ko)
Other versions
KR930010180B1 (en
Inventor
윤현수
이진표
Original Assignee
강진구
삼성전자 주식회사
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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019910008897A priority Critical patent/KR930010180B1/en
Publication of KR920022858A publication Critical patent/KR920022858A/en
Application granted granted Critical
Publication of KR930010180B1 publication Critical patent/KR930010180B1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

내용 없음.No content.

Description

TV의 자동 채널 절환장치와 그 방법TV automatic channel switch and method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 이 발명에 따른 TV의 자동 채널 절환장치의 구성을 나타낸 블럭도.1 is a block diagram showing the configuration of an automatic channel switching apparatus for a TV according to the present invention.

제2도는 제1도에서의 제2검출부의 일실시도.2 is an embodiment of the second detection unit in FIG.

제3도는 이 발명 방법에 따른 자동 채널 절환동작 흐름도이다.3 is a flowchart of automatic channel switching operation according to the present invention method.

Claims (7)

튜닝명령을 출력하는 튜닝마이콤부와, 이 튜닝마이콤부에 의한 튜닝명령에 의해 선국을 행하여 선국된 한 채널의 중간주파수 신호를 출력하는 튜닝과, 이 튜너 및 튜닝마이코무에 연결되어 상기 튜너에서 발생되는 중간 주파수 신호를 비데오 신호로 변환출력하는 영상복조회로를 구비한 TV회로에 있어서, 상기 튜너(20)의 출력 측에 연결되어 출력되는 중간주파수 신호에서 광고방송을 알리는 제1파일럿 신호를 검출하는 제1검출부(40)와, 안테나로부터 입력되는 방송신호에서 원채널의 방송프로그램의 진행을 알리는 제2파일럿 신호를 검출하는 제2검출부(50)와, 상기 제1, 제2검출부(40),(50)의 출력을 제공받아 상기 튜닝마이콤부(10)에 업,다운 선국데이타를 제공하는 선국카운터(60)와, 선국 카운터(60)에 연결되어 자동 채널 절환 및 자동복귀모드와 채널 업, 다운 모드를 선택하는 모드선택키부(70)와, 상기 선국카운터(60)의 선국데이타를 입력받으며 제2검출부(50)를 제어하며 시스템을 제어하는 일련의 제어프로그램을 구비한 튜닝마이콤부(10)와,로 이루어진 TV의 자동 채널 절환장치.A tuning microcom unit for outputting a tuning command, tuning for tuning by a tuning command by the tuning microcomputing unit, and outputting an intermediate frequency signal of a tuned channel; A TV circuit having an image demodulation circuit for converting and outputting an intermediate frequency signal into a video signal, the first pilot signal informing of commercials is detected from the intermediate frequency signal output by being connected to the output side of the tuner 20. A first detector 40 for detecting a second pilot signal for notifying progress of a broadcast program of a one channel from a broadcast signal input from an antenna, and the first and second detectors 40 and 40, respectively. A channel 50 and an automatic return mode and a channel connected to a tuning counter 60 and a tuning counter 60 that provide up and down tuning data to the tuning microcomputer unit 10 by receiving an output of 50. A tuning microcomputer unit having a mode selection key unit 70 for selecting a down mode and a series of control programs for receiving the station data of the station counter 60 and controlling the second detector unit 50 to control the system; 10) And, automatic channel switching device of the TV. 제1항에 있어서, 상기 제2검출부(50)는, 안테나로부터 입력되는 각 채널의 방송신호만을 각기 필터링하는 채널필터(511‥‥51n)들과, 이 채널필터(511‥‥51n)들에 의해 필터링되어 출력되는 각 방송신호를 증폭하는 증폭기(A1‥‥‥An)들과, 튜닝마이콤부(10)의 제어에 의해 상기 증폭기(A1‥‥An)들의 신호를 입력받아 한 채널의 신호만을 선택하여 출력단(Q)에 전기적으로 연결시키는 스위칭 회로(52)와, 이 스위칭회로(52)에 의해 선택되어 출력되는 한 채널의 방송신호에서 제2파일럿 신호를 검출하는 신호검출단(53)과, 로 된 TV의 자동 채널 절환장치.2. The second detector (50) according to claim 1, wherein the second detector (50) includes channel filters (51 1 ... 51n) for filtering only broadcast signals of respective channels input from an antenna, and the channel filters (51 1 ... 51n). the amplifiers (a 1 ‥‥‥ an) for amplifying the each broadcast signal are output by the filter and, by a control microprocessor of the tuning unit 10 receives the signals of the amplifiers (a 1 ‥‥ an) A switching circuit 52 that selects only a signal of a channel and electrically connects it to an output terminal Q, and a signal detection terminal that detects a second pilot signal from a broadcast signal of one channel selected and output by the switching circuit 52. 53 and automatic channel switching device of TV. 수신되는 방송신호에서 광고방송시 발생되는 제1파일럿 신호를 검출하는 신호검출루틴과, 이 신호검출루틴에서 제1파일럿 신호가 검출되면 채널절환의 업,다운모드를 체크하여 채널업 및 채널다운을 행하는 채널 절환루 틴과, 이 채널 절환루틴 수행후에 원래의 알리는 제2파일럿 신호를 검출하여 채널복귀여부를 판단 및 수행하는 채널 복귀루틴과,로 이루어진 TV의 자동 채널 절환방법.The signal detection routine for detecting the first pilot signal generated during the commercial broadcasting from the received broadcast signal, and if the first pilot signal is detected in the signal detection routine, checks the up and down modes of channel switching to perform channel up and down. And a channel return routine for performing a channel switching routine, a channel return routine for detecting and performing channel return by detecting a second pilot signal of the original signal after performing the channel switching routine. 제3항에 있어서, 상기 신호검출루틴은, 파워온과 채널 업,다운모드 선택 및 채널 복귀모드선택, 선국등의 초기모드를 설정하는 스텝과, 이 스텝 수행후에 제1파일럿 신호를 검출하는 스텝과, 이 제1파일럿 신호의 유무를 판단하는 스텝과, 로 이루어진 TV의 자동 채널 절환방법.4. The signal detection routine of claim 3, wherein the signal detection routine comprises: setting an initial mode such as power-on, channel up, down mode selection, channel return mode selection, tuning, and the like, and detecting the first pilot signal after performing this step. And a step of determining the presence or absence of the first pilot signal, and an automatic channel switching method for the TV. 제3항에 있어서, 상기 채널 절환루틴은, 제1파일럿 신호가 검출되면 채널의 업,다운모드를 체크하는 스텝과, 상기 스텝 수행후에 채널 업모드인 경우에 카운트업을 행하여 현재의 채널 +1채널을 선국하는 스텝과, 채널 다운모드인 경우에 카운트 다운을 행하여 현재의 채널에 -1 채널을 선국하는 스텝과, 로 이루어진 TV의 자동 채널 절환방법.4. The channel switching routine of claim 3, wherein the channel switching routine checks the up and down modes of the channel when the first pilot signal is detected, and counts up when the channel up mode is performed after performing the step. A channel tuning method comprising: a step of tuning a channel; 제3항에 있어서, 채널 복귀루틴은, 채널 절환루틴 수행후에 원래의 채널로 복귀할 것인가를 판단하는 스텝과, 이 스텝에서 복귀모드일 경우 제2파일럿 신호를 검출하는 스텝과, 제2파일럿 신호의 유무를 판단하는 스텝과, 상기 스텝에서 제2파일럿 신호일때는 원래의 채널로 복귀하는 스텝과, 로 이루어지는 TV의 자동 채널 절환방법.The method of claim 3, wherein the channel return routine comprises: determining whether to return to the original channel after performing the channel switching routine; detecting a second pilot signal when the channel is in the return mode; And a step of determining the presence or absence of a signal, and returning to the original channel when the second pilot signal is used. 제3항에 있어서, 상기 채널 복귀루틴은 채널 업,다운모드 체크후에 채널 모드시에는 채널업을 행하면서 채널스캐닝을 행하고, 채널 다운모드시 는 채널 다운을 행하면서 채널 스캐닝을 행하여 인접된 대역의 방송중인 채널을 선국하는 채널 스캔루틴을 포함한 것을 특징으로 하는 TV의 자동 채널 절환방법.4. The channel recovery routine of claim 3, wherein the channel return routine performs channel scanning in channel mode after channel up and down mode check, and performs channel scanning while channel down in channel down mode. An automatic channel switching method for a TV, comprising a channel scan routine for tuning a channel being broadcast. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910008897A 1991-05-30 1991-05-30 Apparatus and method for automatic tv channels selection KR930010180B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910008897A KR930010180B1 (en) 1991-05-30 1991-05-30 Apparatus and method for automatic tv channels selection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910008897A KR930010180B1 (en) 1991-05-30 1991-05-30 Apparatus and method for automatic tv channels selection

Publications (2)

Publication Number Publication Date
KR920022858A true KR920022858A (en) 1992-12-19
KR930010180B1 KR930010180B1 (en) 1993-10-15

Family

ID=19315171

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910008897A KR930010180B1 (en) 1991-05-30 1991-05-30 Apparatus and method for automatic tv channels selection

Country Status (1)

Country Link
KR (1) KR930010180B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100309099B1 (en) * 1997-06-21 2001-12-15 윤종용 Method and apparatus for selecting channel
KR100416462B1 (en) * 1993-08-31 2004-05-03 인터레쎈게마인샤프트 퓌어 룬트푼크슈츠레흐테 게엠베하슈츠레흐스페르베르퉁운트콤파니콤만디트게셀샤프트 Detection and blocking of unwanted video scenes and devices therefor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2023622A1 (en) 2007-08-07 2009-02-11 Nokia Siemens Networks Oy Method for selection of television programs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100416462B1 (en) * 1993-08-31 2004-05-03 인터레쎈게마인샤프트 퓌어 룬트푼크슈츠레흐테 게엠베하슈츠레흐스페르베르퉁운트콤파니콤만디트게셀샤프트 Detection and blocking of unwanted video scenes and devices therefor
KR100309099B1 (en) * 1997-06-21 2001-12-15 윤종용 Method and apparatus for selecting channel

Also Published As

Publication number Publication date
KR930010180B1 (en) 1993-10-15

Similar Documents

Publication Publication Date Title
KR950001574B1 (en) Hrc mode receiving time reduction method of catv
KR920022858A (en) TV automatic channel switch and method
KR100188943B1 (en) Automatic switching apparatus & method for non-advertisement channel by means of an advertisement channel of television
KR200250445Y1 (en) Antenna selecting apparatus
KR960007547B1 (en) Channel auto-classifying apparatus
KR100216942B1 (en) Apparatus and method for changing from 2-screen in fading tv
KR960012498B1 (en) Teletext identifier
KR100221244B1 (en) Receiving automatic sensitive device of tv
KR0139617B1 (en) Automatic noise cancelling circuit of television receiver
KR19990043363A (en) Simultaneous Subtitle Processing Device for PIP Television
KR940002933B1 (en) Automatic tuning method for tv receiver
KR950007717Y1 (en) Auto channel select circuit in power on time
KR940017133A (en) Automatic channel setting device and method of broadcasting channel
JPH02180474A (en) Television signal processor
KR970057445A (en) Automatic channel search device for continuous input of no signal on TV receiver
KR970057385A (en) Reserved Tuning Device and Method of Television
KR950016262A (en) TV broadcasting signal receiver and receiving method
KR950016399A (en) Channel search method and apparatus for multi-system
KR19990013444U (en) No signal and weak signal removal device in automatic channel setting
JPH11136149A (en) Magnetic recording and reproducing device
KR19990031457A (en) How to switch between stereo and mono mode
KR19980078941A (en) Method for Automatically Determining Broadcasting System in VSI
KR970057685A (en) Method and apparatus for two-tuner switching in the TVR's green mode
JPS60139079A (en) Channel selection circuit of television receiver
JPH01183967A (en) Vehicle-mounted type television receiver

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: 20020930

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee