KR920004920B1 - 디지탈 신호 코링회로 - Google Patents
디지탈 신호 코링회로 Download PDFInfo
- Publication number
- KR920004920B1 KR920004920B1 KR1019830004440A KR830004440A KR920004920B1 KR 920004920 B1 KR920004920 B1 KR 920004920B1 KR 1019830004440 A KR1019830004440 A KR 1019830004440A KR 830004440 A KR830004440 A KR 830004440A KR 920004920 B1 KR920004920 B1 KR 920004920B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- digital
- output
- input
- value
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title description 2
- 238000000034 method Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013643 reference control Substances 0.000 description 2
- 241001573881 Corolla Species 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/046—Systems or methods for reducing noise or bandwidth
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Physics & Mathematics (AREA)
- Picture Signal Circuits (AREA)
- Dc Digital Transmission (AREA)
- Studio Circuits (AREA)
- Analogue/Digital Conversion (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Error Detection And Correction (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Description
Claims (5)
- 디지털 입력신호원과, 상기 디지털 입력신호가 디지털값 범위를 벗어나는 정도를 나타내는 표시 디지털 신호를 발생하기 위한 비교기를 구비하는 디지털 신호 코링장치에 있어서, 제 1(UR) 및 제 2(LR)디지털기준신호원(40, 42)과, 제 1 및 제 2 임계신호(UTS, LTS)를 형성하기 위해, 상기 표시 디지털 신호와(RDS) 상기 디지털 기준신호중 각각 다른 하나에 각각이 응답하는 제 1 및 제 2 신호 가산기(44, 46)를 구비하되, 상기 임계 신호들은 상기 디지털 값의 범위를 결정하기 위해 상기 비교기에 인가되는 것을 특징으로 하는 디지털 신호 코링장치.
- 제 1 항에 있어서, 입력과 출력을 가지는 버퍼 레지스터(32)와, 상기 표시 디지털 신호(RDS)에 응답하는 제 1 입력, 상기 버퍼 레지스터의 출력에 연결된 제 2 입력과 상기 버퍼 레지스터의 입력에 연결된 출력을 가지는 제 3 의 가산기(30)를 구비하되, 상기 제 1 및 제 2 신호 가산기 (44, 46)는 상기 버퍼레지스터의 상기 출력에서 나타나는 신호를 받아들이도록 연결되는 것을 특징으로 하는 디지털 신호 코링장치.
- 제 2 항에 있어서, 상기 코링장치의 출력디지털 신호들(CS)은 상기 버퍼 레지스터(32)의 출력에서 나타나는 것을 특징으로 하는 디지털 신호 코링장치.
- 제 1 항에 있어서, 상기 제 1 및 제 2 임계신호 각각을 출력단자를 선택적으로 통과시키기 위하여 제 1 및 제 2 임계신호가 인가되는 제 1 및 제 2 입력을 갖고 있는 멀티플렉서(86)를 구비하며, 코링장치의 출력신호(CS")는 상기 출력단자에서 나타나는 것을 특징으로 하는 디지털 신호 코링장치.
- 제 4 항에 있어서, 제 3 의 디지털 기준신호원(80)과, 상기 표시 디지털 신호와 제 3 의 디지털 기준 신호에 응답하는 첨가 비교기(82, 84)와, 상기 멀티플렉서(86)를 제어하기 위해, 상기 첨가비교기 출력에 응답하는 제어회로(FF)를 구비하는 것을 특징으로 하는 디지털 신호 코링장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US422,667 | 1982-09-24 | ||
US06/422,667 US4538236A (en) | 1982-09-24 | 1982-09-24 | Adaptive digital signal coring circuit |
US422667 | 1982-09-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR840006104A KR840006104A (ko) | 1984-11-21 |
KR920004920B1 true KR920004920B1 (ko) | 1992-06-22 |
Family
ID=23675863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019830004440A KR920004920B1 (ko) | 1982-09-24 | 1983-09-22 | 디지탈 신호 코링회로 |
Country Status (12)
Country | Link |
---|---|
US (1) | US4538236A (ko) |
JP (1) | JPS5981954A (ko) |
KR (1) | KR920004920B1 (ko) |
AT (1) | AT404417B (ko) |
AU (1) | AU567689B2 (ko) |
CA (1) | CA1219645A (ko) |
DE (1) | DE3334541A1 (ko) |
ES (1) | ES525659A0 (ko) |
FR (1) | FR2533785B1 (ko) |
GB (1) | GB2128441B (ko) |
IT (1) | IT1171089B (ko) |
MY (1) | MY8600722A (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4538178A (en) * | 1983-06-24 | 1985-08-27 | Rca Corporation | Digital signal peaking apparatus with controllable peaking level |
US4646254A (en) * | 1984-10-09 | 1987-02-24 | Gte Government Systems Corporation | Noise threshold estimating method for multichannel signal processing |
US4635217A (en) * | 1984-10-09 | 1987-01-06 | Gte Government Systems Corporation | Noise threshold estimator for multichannel signal processing |
US4899221A (en) * | 1986-12-15 | 1990-02-06 | North American Philips Consumer Electronics Corp. | Television signal processing apparatus including rise time normalization and noise reduction |
US4855943A (en) * | 1987-07-24 | 1989-08-08 | Eastman Kodak Company | Method and apparatus for deaveraging a stream of averaged data |
US5119195A (en) * | 1991-01-31 | 1992-06-02 | Thomson Consumer Electronics, Inc. | Video noise reduction system employing plural frequency bands |
DE4239396C1 (de) * | 1992-11-24 | 1994-02-24 | Itt Ind Gmbh Deutsche | Verfahren zur Erzeugung eines modifizierten Videosignals |
TW297202B (ko) * | 1993-10-13 | 1997-02-01 | Rca Thomson Licensing Corp | |
US5949597A (en) * | 1996-04-24 | 1999-09-07 | Tandberg Data Storage A/S | Method and apparatus for data pulse qualification wherein the amplitude of a preceding pulse of opposite polarity is tracked |
DE10011060B4 (de) * | 2000-03-07 | 2008-02-28 | Bts Holding International B.V. | Rauschreduzierer |
KR101315413B1 (ko) * | 2007-08-27 | 2013-10-07 | 삼성전자주식회사 | 신호처리장치 및 그 제어방법 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3716726A (en) * | 1971-07-13 | 1973-02-13 | Bell Telephone Labor Inc | Center clipper |
JPS5534613B2 (ko) * | 1973-10-08 | 1980-09-08 | ||
US4118785A (en) * | 1973-10-08 | 1978-10-03 | Nippon Telegraph And Telephone Public Corporation | Method and apparatus for digital attenuation by pattern shifting |
JPS50102218A (ko) * | 1974-01-09 | 1975-08-13 | ||
US4240106A (en) * | 1976-10-14 | 1980-12-16 | Micro Consultants, Limited | Video noise reduction |
US4064530A (en) * | 1976-11-10 | 1977-12-20 | Cbs Inc. | Noise reduction system for color television |
US4305091B2 (en) * | 1977-01-31 | 1998-02-10 | J Carl Cooper | Electronics noise reducing apparatus and method |
JPS6016582B2 (ja) * | 1977-03-04 | 1985-04-26 | 日本電気株式会社 | デイジタル周波数分析装置 |
US4167749A (en) * | 1977-05-26 | 1979-09-11 | Rca Corporation | Noise reduction apparatus |
US4250458A (en) * | 1979-05-31 | 1981-02-10 | Digital Communications Corporation | Baseband DC offset detector and control circuit for DC coupled digital demodulator |
NL184298C (nl) * | 1979-07-19 | 1989-06-01 | Philips Nv | Inrichting voor verschilbeeldbepaling. |
DE3034756C2 (de) * | 1979-09-18 | 1986-09-04 | Victor Company Of Japan, Ltd., Yokohama, Kanagawa | Audiosignalverarbeitungseinrichtung |
US4303943A (en) * | 1980-03-24 | 1981-12-01 | Magnavox Government & Industrial Electronics | Adaptive enhancement of signal-to-noise ratio in television imagery |
US4422094A (en) * | 1981-11-06 | 1983-12-20 | Rca Corporation | Digital signal processor with symmetrical transfer characteristic |
US4350995A (en) * | 1981-04-20 | 1982-09-21 | Rca Corporation | Self-limiting video signal peaking circuit |
US4399460A (en) * | 1981-10-09 | 1983-08-16 | Rca Corporation | Video signal peaking control system with provision for automatic and manual control |
US4441121A (en) * | 1982-03-31 | 1984-04-03 | Rca Corporation | Adjustable coring circuit |
US4437124A (en) * | 1982-04-30 | 1984-03-13 | Rca Corporation | Dynamic coring circuit |
US4437123A (en) * | 1982-04-30 | 1984-03-13 | Rca Corporation | Dynamically controlled horizontal peaking system |
-
1982
- 1982-09-24 US US06/422,667 patent/US4538236A/en not_active Expired - Lifetime
-
1983
- 1983-09-13 CA CA000436565A patent/CA1219645A/en not_active Expired
- 1983-09-16 AU AU19197/83A patent/AU567689B2/en not_active Expired
- 1983-09-16 ES ES525659A patent/ES525659A0/es active Granted
- 1983-09-21 JP JP58176141A patent/JPS5981954A/ja active Granted
- 1983-09-21 IT IT22947/83A patent/IT1171089B/it active
- 1983-09-21 GB GB08325248A patent/GB2128441B/en not_active Expired
- 1983-09-22 KR KR1019830004440A patent/KR920004920B1/ko not_active IP Right Cessation
- 1983-09-22 AT AT0338183A patent/AT404417B/de not_active IP Right Cessation
- 1983-09-23 DE DE19833334541 patent/DE3334541A1/de active Granted
- 1983-09-23 FR FR8315162A patent/FR2533785B1/fr not_active Expired
-
1986
- 1986-12-30 MY MY722/86A patent/MY8600722A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES8406014A1 (es) | 1984-06-16 |
FR2533785B1 (fr) | 1986-05-23 |
GB2128441A (en) | 1984-04-26 |
IT8322947A1 (it) | 1985-03-21 |
JPS5981954A (ja) | 1984-05-11 |
ATA338183A (de) | 1998-03-15 |
GB8325248D0 (en) | 1983-10-26 |
AU567689B2 (en) | 1987-12-03 |
FR2533785A1 (fr) | 1984-03-30 |
ES525659A0 (es) | 1984-06-16 |
IT1171089B (it) | 1987-06-10 |
AU1919783A (en) | 1984-03-29 |
JPH0422059B2 (ko) | 1992-04-15 |
CA1219645A (en) | 1987-03-24 |
US4538236A (en) | 1985-08-27 |
MY8600722A (en) | 1986-12-31 |
KR840006104A (ko) | 1984-11-21 |
AT404417B (de) | 1998-11-25 |
DE3334541C2 (ko) | 1993-03-18 |
DE3334541A1 (de) | 1984-03-29 |
GB2128441B (en) | 1986-01-08 |
IT8322947A0 (it) | 1983-09-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR920004920B1 (ko) | 디지탈 신호 코링회로 | |
US4334237A (en) | Adaptive amplitude averaging for weighting quantizing noise | |
KR930002906B1 (ko) | 윤곽 보정회로 | |
JP3863294B2 (ja) | ノイズ低減信号処理回路および映像表示装置 | |
EP0396746B1 (en) | Picture receiver controller | |
Julesz | A method of coding television signals based on edge detection | |
JPH0614685B2 (ja) | 画像信号処理装置 | |
KR920005219B1 (ko) | 신호 처리 회로 | |
US5699011A (en) | DC offset compensation method and apparatus | |
EP0501450A2 (en) | Apparatus for distinguishing between different areas of an image | |
JPS63306773A (ja) | ノイズ除去回路 | |
US4999629A (en) | Two tone and multiple image discrimination and signal binarization system | |
US4511922A (en) | Digital television system with truncation error correction | |
JPH07143333A (ja) | 画像信号のa/d変換回路 | |
US6034741A (en) | Fuzzy logic filter for impulsive noisy images | |
JPS58196766A (ja) | 画像信号二値化装置 | |
JPS63205238A (ja) | 画像処理装置 | |
KR0134734Y1 (ko) | 디지탈드롭아우트보상장치 | |
JP2001078057A (ja) | ノイズ低減信号処理装置 | |
KR0150959B1 (ko) | 적응형 화상윤곽 보정회로 | |
KR900002593Y1 (ko) | 화신호 보상회로 | |
JPH06343129A (ja) | 領域判別装置 | |
JPH06348841A (ja) | メディアンフィルタ | |
KR940000936B1 (ko) | 디지탈 신호처리에 있어서 소신호 잡음 제거회로 | |
US20070126935A1 (en) | Signal separation apparatus applied in image transmittion system and related method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19830922 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19880914 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19830922 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19910729 Patent event code: PE09021S01D |
|
G160 | Decision to publish patent application | ||
PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19920521 |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19920921 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19921124 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19921124 End annual number: 3 Start annual number: 1 |
|
PR1001 | Payment of annual fee |
Payment date: 19950510 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 19960523 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 19970604 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 19980529 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 19990428 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20000512 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20010512 Start annual number: 10 End annual number: 10 |
|
FPAY | Annual fee payment |
Payment date: 20020605 Year of fee payment: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20020605 Start annual number: 11 End annual number: 11 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |