KR940000434B1 - Television with enlarged funtions - Google Patents

Television with enlarged funtions Download PDF

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KR940000434B1
KR940000434B1 KR1019880011143A KR880011143A KR940000434B1 KR 940000434 B1 KR940000434 B1 KR 940000434B1 KR 1019880011143 A KR1019880011143 A KR 1019880011143A KR 880011143 A KR880011143 A KR 880011143A KR 940000434 B1 KR940000434 B1 KR 940000434B1
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horizontal
vertical
output
circuit
television
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KR1019880011143A
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Korean (ko)
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KR900004178A (en
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허재수
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주식회사 금성사
최근선
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects

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  • Details Of Television Scanning (AREA)

Abstract

Television having function for enlarging picture by variation of deflective frequency comprises a microprocessor for controlling the system, synchronous signal output means for detecting synchronous signal for video signals, a horizontal and vertical frequency drive circuit for generating a plurality of horizontal and vertical signals, a counter for counting the horizontal and vertical synchronous signal, a circuit for selecting the signals, switching means for applying the signals to horizontal and vertical deflective coil, thereby providing the function for enlarging the selected one of 4 devided parts of screen.

Description

편향 주파수 변화에 의한 확대 기능 텔레비젼Magnification function TV by deflection frequency change

제1도는 종래의 영상확대장치의 블럭구성도.1 is a block diagram of a conventional image expanding apparatus.

제2도는 본발명의 블럭구성도2 is a block diagram of the present invention

제3도의 (a)(b)는 본발명의 영상확대관계를 나타낸 것으로 (a)로 확대전의 화면을 나타낸 정면도, (b)는 확대시의 화면정면도(A) and (b) of FIG. 3 show the image magnification relation of the present invention, (a) is a front view showing the screen before magnification, and (b) is a front view at the time of magnification.

제4도는 본발명의 수평, 수직 특성을 나타낸 파형도.4 is a waveform diagram showing the horizontal and vertical characteristics of the present invention.

제5도는 본발명에 의한 리모콘콘트롤 타이밍을 나타낸 파형도.5 is a waveform diagram showing a remote control control timing according to the present invention.

제6도는 본발명에 의한 플로우 챠트6 is a flow chart according to the present invention

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

1 : 리모콘 2 : 프리엠프1: remote controller 2: preamp

3 : 마이크로프로세서 4 : 동기출력회로3: microprocessor 4: synchronous output circuit

5 : 수평드라이버회로 6 : 수평카운터5: Horizontal driver circuit 6: Horizontal counter

7 : 수평출력선택회로 8 : 제1수평출력회로7: horizontal output selection circuit 8: first horizontal output circuit

9 : 제2수평출력회로 10 : 수직드라이버회로9: second horizontal output circuit 10: vertical driver circuit

11 : 수직카운터 12 : 수직출력선택회로11: vertical counter 12: vertical output selection circuit

13 : 제1수직출력회로 14 : 제2수직출력회로13: first vertical output circuit 14: second vertical output circuit

SW1,SW2: 절환스위치 HDY : 수평편향코일SW 1 , SW 2 : Changeover switch HDY: Horizontal deflection coil

VDY : 수직편향코일VDY: Vertical Deflection Coil

본발명은 TV수상기에 있어서 임의의 특정화면을 확대시키는 기능을 갖는 텔레비젼에 관한 것으로 특히 편향 주파수를 변화시켜 화면으 좌상 4분면을 확대하도록한 것이다. 종래의 확대기능을 갖는 텔레비젼은 제1도에서와 같이 입력영상신호를 아날로그/디지탈변환기(52)에 입력하고 그 출력을 대용량 메모리(52)로 입력시키며 애용량메모리(52)의 출력은 콘트롤러(55)의 제어를 받으며 디지탈/아날로그 변환기(53)에 입력되고 디지탈/아날로그변환기(53)의 출력은 모니터(54)로 연결하여서, 확대하고자하는 아날로그 입력신호를 입력단자(P1)에 입력시켜 아날로그/디지탈 변환기(51)를 통하여 디지탈 신호로 변환시킨후 대용량메모리(52)에 기억시키며 콘트롤러(55)의 제어에 따라 확대된 영상데이터를 출력한후 디지탈/아날로그 변환기(53)를 통해 아날로그신호로 변환시켜 모니터(54)에 입력하므로서 확대영상을 화면에 나타내게하였다. 그러나 이러한 기술은 매우 복잡한 하드웨어 및 소프트웨어를 필요로 하므로 실용화하기에는 부적합하여 채용되지 않고 있다.The present invention relates to a television having a function of enlarging an arbitrary specific screen in a TV receiver, and particularly, to enlarge the upper left quadrant of the screen by changing the deflection frequency. A conventional television having a magnification function inputs an input video signal to the analog / digital converter 52 and outputs the output to the mass memory 52, as shown in FIG. 55) is input to the digital / analog converter 53 and the output of the digital / analog converter 53 is connected to the monitor 54, the analog input signal to be enlarged is input to the input terminal (P 1 ) After converting the digital signal through the analog / digital converter 51 and storing it in the large-capacity memory 52, and outputting the enlarged image data under the control of the controller 55, the analog signal through the digital / analog converter 53. The magnified image was displayed on the screen by converting the data into the monitor 54 and inputting it to the monitor 54. However, these technologies require very complex hardware and software and are not suitable for practical use.

본발명은 상기 문제를 감안하여 이를 해소코저 창출한 것으로, 통상의 텔레비젼수상기에서 수평, 수직 편향주파수를 변화시키는 간단한 구성으로 영상의 일부를 확대하여 시청하도록한 것이다. 제2도 및 제6도에 의거 본발명을 더욱상세히 설명하면 리모콘(1)으로 프리엠프(2)를 통하여 마이크로프로세서(3)를 구동시켜 동기출력회로( 4)를 제어함에 따라 화면을 콘트롤 할 수 있는 리모콘형 일반 수상기에 있어서, 상기한 동기 출력회로(4)로부터 출력되는 2개의 수평동기신호(h1, h2)가 수평드라이브회로( 5)를 통과하게 함과 아울러 수평카운터(6)를 통해 수평출력선회로(7)를 구동시켜 절환스위치(SW1)를 제어하여 상기 수평드라이브회로(5)의 출력을 선택하게 하여, 이의 출력이 각각의 제1수평출력회로(8), 제2수평출력회로(9)를 통하여 수상관(CRT)의 수평편향코일(HDY)에 인가되게하고, 상기한 동기출력회로(4)로 부터 출력되는 2개의 수직 동기 신호(V1, V2)가 수직드라이브회로(10)를 통과함과 아울러 수직카운터(11)를 통해 수직출력선택회로(12)를 구동시켜, 절환스위치(SW2)를 제어하여, 상기 수직드라이브회로(10)의 출력을 선택하게하며, 이의 출력이 각각의 제1수직출력회로(13), 제2수직출력회로(14)를 통하여 수상관(CRT)의 수직편향코일(VDY)에 인가되게 구성한 것이다.The present invention has been made in view of the above problems, and created a solution to enlarge and view a part of the image with a simple configuration of changing the horizontal and vertical deflection frequency in a conventional television receiver. 2 and 6, the present invention will be described in more detail. The remote controller 1 drives the microprocessor 3 through the preamplifier 2 to control the screen according to the control of the synchronous output circuit 4. In the remote control type general receiver, the two horizontal synchronous signals (h 1 , h 2 ) output from the synchronous output circuit (4) pass through the horizontal drive circuit (5) and the horizontal counter (6). By driving the horizontal output line circuit (7) through the control switch SW 1 to select the output of the horizontal drive circuit (5), the output of each of the first horizontal output circuit (8), Two vertical synchronizing signals V 1 and V 2 to be applied to the horizontal deflection coil HDY of the water pipe CRT through the two horizontal output circuits 9 and output from the synchronous output circuit 4 described above. Passes through the vertical drive circuit 10 and the vertical output selection circuit 12 through the vertical counter 11. Drive to control the switching switch SW 2 so as to select the output of the vertical drive circuit 10, the output of each of which corresponds to each of the first vertical output circuit 13 and the second vertical output circuit 14. It is configured to be applied to the vertical deflection coil (VDY) of the water pipe (CRT) through.

이와같이 구성된 본고안의 작용효과를설명하면 다음과 같다. 먼저 제2도에 도시한 바와같이 리모콘(1)으로 단일 모드, 확대 모드를 선택하여 동기신호(V1)(V2)( H1)(H2)를 선택하는 과정을 설명하면 제5도에 도시한 바와 같이, 확대모드를 선택하는 경우에는 마이크로프로세서(3)의 출력(VMP)이 리모콘(1)의 선택에 의하여 동기출력회로(4)를 제어함에 따라 파형(c)(d)와 같이 수평 및 수직주파수(1/2H)(1/2V)가 선택되어 동기신호(h2)(v2)로 인가되고, 단일 모드를 선택하는 경우에는, 파형(a)(b)와 같이 수평 및 수직주파수(H)(V)가 선택되어 동기신호(h1)(v1)로 인가된다. 여기서 정상상태의 단일 영상을 시청할 때는, 동기출력회로(4)로 부터 제1수평 및 제1수직동기신호(h1)(v1)가 선택된 후 수평드라이브회로(5), 수직드라이브회로(10)에 인가됨과 아울러 수평카운터(6), 수직카운터(11)를 통하여 수평 수직출력선택회로(7)(12)를 구동시켜, 절환스위치(SW1)(SW2)를 제어하게 되는데, 이때 카운터(6)(11)의 출력주파수의 주기가 제4도에서와 같이 th, tv이면 절환스위치(SW1)(SW2)를 접점(a)(b)으로 연결하고 이에 따라 수평드라이브회로(5), 수직드라이브회로(10)를 통과한 수평,수직 출력주파수(h1)(v1)가 각각 제1수평출력회로(8), 제1수직출력회로(13)에 인가된다.The operational effects of the proposed paper thus constructed are as follows. First, as shown in FIG. 2, a process of selecting a synchronization mode V 1 (V 2 ) (H 1 ) (H 2 ) by selecting a single mode and an enlarged mode with the remote controller 1 will be described. As shown in Fig. 2, when the magnification mode is selected, the output VMP of the microprocessor 3 controls the synchronous output circuit 4 by the selection of the remote controller 1, so that the waveforms c and d are different. Likewise, when the horizontal and vertical frequencies (1 / 2H) (1 / 2V) are selected and applied as the synchronization signal (h 2 ) (v 2 ), and the single mode is selected, the horizontal as in the waveforms (a) and (b) is shown. And the vertical frequency H (V) is selected and applied as the synchronization signal h 1 (v 1 ). When viewing a single image in a steady state, the horizontal drive circuit 5 and the vertical drive circuit 10 are selected after the first horizontal and first vertical synchronization signals h 1 and v 1 are selected from the synchronous output circuit 4. In addition to being applied to the () and through the horizontal counter 6, the vertical counter 11 to drive the horizontal vertical output selection circuit (7) (12), to control the switching switch (SW 1 ) (SW 2 ), the counter (6) If the period of the output frequency of (11) is th, tv as shown in Fig. 4, the switching switch (SW 1 ) (SW 2 ) is connected to the contact (a) (b) and accordingly the horizontal drive circuit (5) ), The horizontal and vertical output frequencies h 1 (v 1 ) passing through the vertical drive circuit 10 are applied to the first horizontal output circuit 8 and the first vertical output circuit 13, respectively.

이때 상기의 수평 및 수직출력주파수(h1)(v1)가 제4도의 (a)(c)에 도시한 바와 같이 주기(th)(tv)를 갖는 편향신호로 변화되어 수상관(CRT)의 수평편향코일( HDY)과 수직편향코일(VDY)에 인가되어 편향기능을 수행하므로서 제3도 (a)도면표시한 바와 같은 단일 영상화면을 디스플레이하는 것이다. 그리고 리모콘(1)의 영상모드를 확대영상모드로 선택하면, 동기출력소자(4)로 부터 수평 및 수직동기신호(h2)(v2)가 선택된 후, 수평드라이브회로(5), 수직드라이브회로(10)에 인가됨과 아울러 수평카운터(6), 수직카운터(11)를 통하여 수평, 수직출력선택회로(7)(12)를 구동시켜, 절환스위치(SW1)(SW2)를 제어하게되는데 이 때 카운터(6)(11)의 출력주파수의 주기가 1/2th, 1/2tv로 되면 절환스위치(SW1)(SW2)가 접점(a)(c)로 접속함에 따라 수평드라이브회로(5), 수직드라이브회로(10)를 통과한 수평, 수직동기신호(h2)(v2)가 각각 제2수평출력회로(2) 제2수직출력회로(14)에 인가된다.At this time, the horizontal and vertical output frequency h 1 (v 1 ) is changed into a deflection signal having a period th (tv) as shown in (a) (c) of FIG. The horizontal deflection coil HDY and the vertical deflection coil VDY are applied to perform a deflection function, thereby displaying a single image screen as shown in FIG. When the image mode of the remote controller 1 is selected as the enlarged image mode, the horizontal and vertical synchronous signals h 2 and v 2 are selected from the synchronous output element 4, and then the horizontal drive circuit 5 and the vertical drive are selected. In addition to the circuit 10, the horizontal and vertical output selection circuits 7 and 12 are driven through the horizontal counter 6 and the vertical counter 11 to control the switching switch SW 1 SW 2 . At this time, if the period of the output frequency of the counter (6) (11) is 1 / 2th, 1 / 2tv, the horizontal drive circuit as the switching switch (SW 1 ) (SW 2 ) is connected to the contact (a) (c) (5), the horizontal and vertical synchronous signals h 2 (v 2 ) passing through the vertical drive circuit 10 are applied to the second horizontal output circuit 2 and the second vertical output circuit 14, respectively.

이때, 상기의 수평 및 수직출력회로(h2)(v2)가 제4도(b)(d)에 도시한 바와같이 주기(1/2th)(1/2tv)를 갖는 주파수로 변환되어 수상관(CRT)의 수평편향코일(HDY)과 수직편향코일(VDY)에 인가되어 편향기능을 수행함으로서 제3도(b)에 도시한 바와 같은 좌상 4분면의 영상을 확대하는 것이다.At this time, the horizontal and vertical output circuit h 2 (v 2 ) is converted into a frequency having a period (1 / 2th) (1 / 2tv) as shown in FIG. 4 (b) (d). It is applied to the horizontal deflection coil HDY and the vertical deflection coil VDY of the correlation CRT to perform a deflection function to enlarge the image of the upper left quadrant as shown in FIG.

즉, 확대영상모드로 선택하면, 예를 들어 수평, 수직주기를 입력화상신호 1펄드 주사주기의 1/2배로 할 경우, 제3도(a)에 도시한 바와 같은 입력화상신호 1필드 주사주기의 1/2배인 1/2th, 1/2tv를 갖는 편향출력이 수상관(CRT)에 인가됨으로서 제3도 (b)에 도시한 바와 같이 원래 입력화상신호의 좌상부분을 확대해 볼수 있는 것이다.That is, when the enlarged image mode is selected, for example, when the horizontal and vertical periods are 1/2 times the input image signal 1 pulse scanning period, the input image signal 1 field scanning period as shown in FIG. As the deflection output having 1 / 2th, 1 / 2tv, which is 1/2 times of, is applied to the water tube CRT, the upper left portion of the original input image signal can be enlarged as shown in FIG.

이상에서 상세히 설명한 바와 같이 본고안은 평향주파수를 변환하여, 필요시 좌상 4분면의 화면을 확대해 볼수 있도록 함으로서 시청자로 하여금 생동감있는 시청감을 느낄 수 있는 효과가 있다.As described in detail above, the present invention converts the horizontal frequency, so that the screen of the upper left quadrant can be enlarged if necessary, so that the viewer can feel a vibrant viewing feeling.

Claims (1)

리모콘(1)으로 프리앰프(2)를 통해 마이크로프로세서(3)를 구동하여 동기출력회로(4)를 제어함에 따라 수상관(CRT)의 화면에 영상을 재생토록 구성한 텔레비젼에 있어서, 상기 텔레비젼의 화면의 좌상 4분면의 영상을 확대시키기위해 상기 동기출력회로(4), 복수의 수평 및 수직주파수(h1)(h2)(v1)(v2)가 각각 수평 및 수직드라이브회로(5)(10)을 통과하고 이와 동시에 각기 수평 및 수직카운터(5)(11), 수평 및 수직 출력선택회로(7)(12)를 통해 절환스위치(SW1)(SW2)를 제어하여 수평 및 수직출력회로(8)(9),(13)(14)를 선택하여서 수평 및 수직 평향 코일(HDY)(VDY)에 인가시켜서 된것을 특징으로하는 편향주파수변화에 의한 확대기능 텔레비젼.In a television configured to reproduce an image on a screen of a water pipe (CRT) by controlling the synchronous output circuit 4 by driving the microprocessor 3 through the preamplifier 2 with the remote controller 1. In order to enlarge the image of the upper left quadrant of the screen, the synchronous output circuit 4 and the plurality of horizontal and vertical frequencies h 1 (h 2 ) (v 1 ) (v 2 ) are horizontal and vertical drive circuits 5, respectively. (10) and at the same time control the switching switch (SW 1 ) (SW 2 ) through the horizontal and vertical counters (5) (11), horizontal and vertical output selection circuits (7) (12), respectively. An enlarged function television with a deflection frequency change, characterized in that the vertical output circuits (8) (9) and (13) (14) are selected and applied to horizontal and vertical deflection coils (HDY) (VDY).
KR1019880011143A 1988-08-31 1988-08-31 Television with enlarged funtions KR940000434B1 (en)

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KR1019880011143A KR940000434B1 (en) 1988-08-31 1988-08-31 Television with enlarged funtions

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KR900004178A KR900004178A (en) 1990-03-27
KR940000434B1 true KR940000434B1 (en) 1994-01-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880011143A KR940000434B1 (en) 1988-08-31 1988-08-31 Television with enlarged funtions

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Publication number Publication date
KR900004178A (en) 1990-03-27

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