KR970059826A - Oh, the OHP device - Google Patents

Oh, the OHP device Download PDF

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Publication number
KR970059826A
KR970059826A KR1019960001095A KR19960001095A KR970059826A KR 970059826 A KR970059826 A KR 970059826A KR 1019960001095 A KR1019960001095 A KR 1019960001095A KR 19960001095 A KR19960001095 A KR 19960001095A KR 970059826 A KR970059826 A KR 970059826A
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South Korea
Prior art keywords
signal
unit
processing unit
signal processing
synchronization
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KR1019960001095A
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Korean (ko)
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KR0170231B1 (en
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김성태
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이대원
삼성항공산업 주식회사
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Priority to KR1019960001095A priority Critical patent/KR0170231B1/en
Priority to JP9005289A priority patent/JPH09197548A/en
Publication of KR970059826A publication Critical patent/KR970059826A/en
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Circuits (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Projection Apparatus (AREA)

Abstract

본 발명은 영상을 저장할 수 있는 OHP 장치에 관한 것으로서, CCD부; 상기 CCD부에서 출력된 노이즈와 원영상신호가 합성되어 있는 신호를 분리하여 노이즈를 제거하기 위한 제1신호처리부; 상기 제1신호처리부로부터 노이즈 제거된 영상신호와 어드레스 코딩부로부터 출력된 어드레스가 합성된 신호를 저장하기 위한 제1저장부; 동기일치부의 동기신호에 동조하여 상기 제1신호처리부에서 출력되는 영상신호를 어드레스 부호화하는 어드레스 코등보; 제어부의 명령 신호에 응답하여 상기 제1저정부에 저장되어 있는 영상 데이타를 발출하기위한 제2신호처리부; 동기일치부의 동기신호에 동조하여 제2신호처리부로 명령신호를 전달하는 제어부; 상기 제2신호처리부로부터 출력되어 분리된 휘도신호 및 색신호를 합성영상신호로 만들기 위해 신호 혼합하기 위한 휘도신호/색신호 혼합부; 상기 CCD부, 어드레스 코딩부, 제1저장부, 제2신호처리부 및 제어부의 동기신호를 전달하는 동기일치부; 및 상기 휘도신호/색신호 혼합부에서 출력된 합성영상신호를 저장하는 제2저장부를 포함한다. 따라서, 입력된 화상신호를 메모리에 저장해 놓을 수 있음으로써, 자료가 필요하면 언제든지 모니터로 디스플레이 시킬 수 있는 편리한 서비스를 제공한다.The present invention relates to an OHP apparatus capable of storing an image, the apparatus comprising: a CCD unit; A first signal processing unit for separating a signal obtained by combining the noise outputted from the CCD unit and the original image signal to remove noise; A first storage unit for storing a signal obtained by combining the video signal from which the noise is removed from the first signal processing unit and the address output from the address coding unit; An address co-encoder for synchronizing the synchronous signal of the synchronous coincidence section and address-encoding the video signal output from the first signal processing section; A second signal processing unit for outputting image data stored in the first low gate unit in response to a command signal of the control unit; A control unit for synchronizing the synchronous signal of the synchronous matching unit and transmitting a command signal to the second signal processing unit; A luminance signal / color signal mixer for mixing the signals output from the second signal processor and separating the luminance signal and the color signal into a composite video signal; A synchronization unit for transmitting synchronization signals of the CCD unit, the address coding unit, the first storage unit, the second signal processing unit, and the control unit; And a second storage unit for storing the composite image signal output from the luminance signal / color signal mixing unit. Therefore, the input image signal can be stored in the memory, thereby providing a convenient service for displaying the data to the monitor whenever necessary.

Description

오. 에이취. 피(OHP) 장치Five. Hooch. The OHP device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 종래의 통상적인 CCD OHP 장치의 구조를 보이는 도면이다,FIG. 1 is a view showing the structure of a conventional conventional CCD overhead projector.

제2도는 본 발명에 따른 비디오 OHP 장치의 블럭도이다.FIG. 2 is a block diagram of a video overhead projector according to the present invention.

Claims (4)

오. 에이취. 피(OHP) 장치에 있어서, CCD부(200); 상기 CCD부(200)에서 출력된 노이즈와 원영상신호가 합성되어 있는 신호를 분리하여 노이즈를 제거하기 위한 제1신호처리부(202); 상기 제1신호처리부(202)로부터 노이즈 제거된 영상신호와 어드레스 코딩부(210); 로부터 출력된 어드레스가 합성된 신호를 저장하기 위한 제1저장부(204); 동기일치부(208)의 동기신호에 동조하여 상기 제1신호처리부(202)에서 출력되는 영상신호를 어드레스 부호화하는 어드레스 코딩부(210); 제어부(212)의 명령 신호에 응답하여 상기 제1저정부(204)에 저장되어 있는 영상 데이타를 발출하기 위한 제2신호처리부(206); 동기일치부(208)의 동기신호에 동조하여 제2신호처리부(206)로 명령 신호를 전달하는 제어부(212); 상기 제2신호처리부(206)로부터 출력되어 분리된 휘도신호및 색신호를 합성영상신호로 만들기 위해 신호 혼합하기 위한 휘도신호/색신호 혼합부(214); 상기 CCD부(200), 어드레스 코딩부(210), 제1저장부(204), 제2신호처리부(206) 및 제어부(212)의 동기신호를 전달하는 동기일치부(208); 및 상기 휘도신호/색신호 혼합부(214)에서 출력된 합성영상신호를 저장하는 제2저장부(216)를 포함하는 OHP 장치.Five. Hooch. In the OHP device, a CCD unit 200; A first signal processing unit 202 for separating a signal obtained by combining the noise outputted from the CCD unit 200 and the original image signal to remove noise; A noise canceled video signal from the first signal processing unit 202, an address coding unit 210; A first storage unit 204 for storing the synthesized signal of the address output from the first storage unit 204; An address coding unit 210 for address-encoding the video signal output from the first signal processing unit 202 in synchronization with the synchronization signal of the synchronization unit 208; A second signal processing unit 206 for outputting image data stored in the first memory unit 204 in response to a command signal from the controller 212; A control unit (212) for synchronizing the synchronous signal of the synchronous unit (208) and transmitting a command signal to the second signal processing unit (206); A luminance signal / color signal mixing unit 214 for mixing the signals outputted from the second signal processing unit 206 and converting the separated luminance signals and color signals into composite video signals; A synchronization unit 208 for transmitting synchronization signals of the CCD unit 200, the address coding unit 210, the first storage unit 204, the second signal processing unit 206, and the control unit 212; And a second storage unit (216) for storing the composite video signal output from the luminance signal / color signal mixing unit (214). 제1항에 있어서, 상기 제2저정부(216)는 램(Random Access Memory; RAM)을 사용함을 특징으로 하는 OHP 장치.The OHP apparatus according to claim 1, wherein the second low-level section (216) uses a random access memory (RAM). 제1항에 있어서, 상기 제2저장부(216)는 광메모리(Magnetic Optical Disk Drive; MODD)를 사용함을 특징으로 하는 OHP 장치.The OHP apparatus according to claim 1, wherein the second storage unit (216) uses an optical memory (MODD). 오. 에이취. 피. (OHP)장치에 있어서, 이미지 스캐너(image scanner)(200); 상기 이미지 스캐너(200)에서 출력된 노이즈와 원영상신호가 합성되어 있는 신호를 분리하여 노이즈를 제거하기 위한 제1신호처리부(202); 상기 제1신호처리부(202)모부터 노이즈 제거된 영상신호와 어드레스 코딩부(210)로부터 출력된 어드레스가 합성된 신호를 저장하기 위한 제1저장부(204); 동기일치부(208)의 동기신호에 동조하여 상기 제1신호처리부(202)에서 출력되는 영상신호를 어드레스 부호화하는 어드레스 코딩부(210); 제어부(212)의 명령 신호에 응답하여 상기 제1저정부(204)에 저장되어 있는 영상 데이타를 발출하기 위한 제2신호처리부(206); 동기일치부(208)의 동기신호에 동조하여 제2신호처리부(206)로 명령 신호를 전달하는 제어부(212); 상기 제2신호처리부(206)로부터 출력되어 분리된 휘도신호 및 색신호를 합성영상신호로 만들기 위해 신호 혼합하기 위한 휘도신호/색신호 혼합부(214); 상기 이미지 스캐너(200), 어드레스 코딩부(210), 제1저장부(204), 제2신호처리부(206) 및 제어부(212)의 동기신호를 전달하는 동기일치부(208); 및 상기 휘도신호/색신호 혼합부(214)에서 출력된 합성영상신호를 저장하는 제2저장부(216)를 포함하는 OHP 장치.Five. Hooch. blood. (OHP) device, comprising: an image scanner (200); A first signal processing unit 202 for separating a signal obtained by combining the noise outputted from the image scanner 200 and the original image signal to remove noise; A first storage unit 204 for storing a signal obtained by combining a video signal from which noise has been removed from the first signal processing unit 202 and an address output from the address coding unit 210; An address coding unit 210 for address-encoding the video signal output from the first signal processing unit 202 in synchronization with the synchronization signal of the synchronization unit 208; A second signal processing unit 206 for outputting image data stored in the first memory unit 204 in response to a command signal from the controller 212; A control unit (212) for synchronizing the synchronous signal of the synchronous unit (208) and transmitting a command signal to the second signal processing unit (206); A luminance signal / color signal mixing unit 214 for mixing the signals outputted from the second signal processing unit 206 and converting the separated luminance signals and color signals into composite video signals; A synchronization unit 208 for transmitting a synchronization signal of the image scanner 200, the address coding unit 210, the first storage unit 204, the second signal processing unit 206, and the control unit 212; And a second storage unit (216) for storing the composite video signal output from the luminance signal / color signal mixing unit (214). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960001095A 1996-01-19 1996-01-19 O.h.p. apparatus KR0170231B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019960001095A KR0170231B1 (en) 1996-01-19 1996-01-19 O.h.p. apparatus
JP9005289A JPH09197548A (en) 1996-01-19 1997-01-16 Overhead projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960001095A KR0170231B1 (en) 1996-01-19 1996-01-19 O.h.p. apparatus

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KR970059826A true KR970059826A (en) 1997-08-12
KR0170231B1 KR0170231B1 (en) 1999-03-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100497519B1 (en) * 1997-11-24 2005-10-12 주식회사 엘지 How to display on the screen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101755499B1 (en) 2015-12-01 2017-07-10 현대자동차 주식회사 Method for manufacturing of substrate for lead acid battery, powder mixture for manufacturing same and substrate for lead acid battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100497519B1 (en) * 1997-11-24 2005-10-12 주식회사 엘지 How to display on the screen

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KR0170231B1 (en) 1999-03-30
JPH09197548A (en) 1997-07-31

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