PT99438B - Gravador de video com circuito corrector de distorcao - Google Patents
Gravador de video com circuito corrector de distorcao Download PDFInfo
- Publication number
- PT99438B PT99438B PT99438A PT9943891A PT99438B PT 99438 B PT99438 B PT 99438B PT 99438 A PT99438 A PT 99438A PT 9943891 A PT9943891 A PT 9943891A PT 99438 B PT99438 B PT 99438B
- Authority
- PT
- Portugal
- Prior art keywords
- signal
- circuit
- frequency
- luminance
- frequency modulated
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 claims abstract description 89
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000012937 correction Methods 0.000 claims description 35
- 238000013016 damping Methods 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000001934 delay Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract 2
- 238000011895 specific detection Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 41
- 239000003990 capacitor Substances 0.000 description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/931—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal
- H04N5/9315—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal the level control being frequency dependent
Landscapes
- Multimedia (AREA)
- Signal Processing (AREA)
- Engineering & Computer Science (AREA)
- Television Signal Processing For Recording (AREA)
- Picture Signal Circuits (AREA)
- Networks Using Active Elements (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Television Systems (AREA)
- Debugging And Monitoring (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4035309A DE4035309A1 (de) | 1990-11-07 | 1990-11-07 | Videorecorder mit einer entzerrerschaltung |
| SG8494A SG8494G (en) | 1990-11-07 | 1994-01-19 | Videorecorder with equalizing circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT99438A PT99438A (pt) | 1994-02-28 |
| PT99438B true PT99438B (pt) | 1999-02-26 |
Family
ID=25898302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT99438A PT99438B (pt) | 1990-11-07 | 1991-11-06 | Gravador de video com circuito corrector de distorcao |
Country Status (20)
| Country | Link |
|---|---|
| EP (1) | EP0484631B1 (enExample) |
| JP (1) | JP2693060B2 (enExample) |
| KR (1) | KR0144849B1 (enExample) |
| AT (1) | ATE97287T1 (enExample) |
| BR (1) | BR9104833A (enExample) |
| CA (1) | CA2052986C (enExample) |
| CS (1) | CS334291A3 (enExample) |
| DE (2) | DE4035309A1 (enExample) |
| DK (1) | DK0484631T3 (enExample) |
| ES (1) | ES2049503T3 (enExample) |
| FI (1) | FI915192A7 (enExample) |
| HK (1) | HK21894A (enExample) |
| HU (1) | HU211179B (enExample) |
| IE (1) | IE65895B1 (enExample) |
| IS (1) | IS3758A7 (enExample) |
| MX (1) | MX9101799A (enExample) |
| NO (1) | NO914312L (enExample) |
| PL (1) | PL292295A1 (enExample) |
| PT (1) | PT99438B (enExample) |
| SG (1) | SG8494G (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960009146B1 (en) * | 1993-12-29 | 1996-07-13 | Daewoo Electronics Co Ltd | Reservation recording control method of video tape recorder |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT346099B (de) * | 1976-08-05 | 1978-10-25 | Philips Nv | Wiedergabegeraet |
| DE3516913C1 (de) * | 1985-05-10 | 1986-10-02 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Automatische FM-Seitenband-Pegelregelung fuer Video-Recorder |
| DE3539816A1 (de) * | 1985-11-09 | 1987-05-21 | Standard Elektrik Lorenz Ag | Filterschaltung zur beeinflussung der bildaufloesung des auf einem bildschirm wiedergegebenen leuchtdichtesignals einer videoaufzeichnung |
| DE3809394A1 (de) * | 1987-04-18 | 1989-10-12 | Graetz Nokia Gmbh | Videogeraet mit einer entzerrerschaltung im signalweg fuer die frequenzmodulierten signale |
| DE3915454A1 (de) * | 1988-05-12 | 1989-12-07 | Mitsubishi Electric Corp | Inversionsphaenomen-unterdrueckungsschaltung |
| JPH0810533B2 (ja) * | 1988-10-20 | 1996-01-31 | 日本ビクター株式会社 | 磁気再生装置 |
-
1990
- 1990-11-07 DE DE4035309A patent/DE4035309A1/de active Granted
-
1991
- 1991-06-28 DK DK91110743.1T patent/DK0484631T3/da active
- 1991-06-28 DE DE91110743T patent/DE59100587D1/de not_active Expired - Fee Related
- 1991-06-28 AT AT91110743T patent/ATE97287T1/de not_active IP Right Cessation
- 1991-06-28 ES ES91110743T patent/ES2049503T3/es not_active Expired - Lifetime
- 1991-06-28 EP EP91110743A patent/EP0484631B1/de not_active Expired - Lifetime
- 1991-08-02 JP JP3194339A patent/JP2693060B2/ja not_active Expired - Fee Related
- 1991-09-27 IS IS3758A patent/IS3758A7/is unknown
- 1991-10-08 CA CA002052986A patent/CA2052986C/en not_active Expired - Fee Related
- 1991-10-28 MX MX9101799A patent/MX9101799A/es unknown
- 1991-10-31 HU HU913428A patent/HU211179B/hu not_active IP Right Cessation
- 1991-11-04 NO NO91914312A patent/NO914312L/no unknown
- 1991-11-04 FI FI915192A patent/FI915192A7/fi not_active Application Discontinuation
- 1991-11-05 CS CS913342A patent/CS334291A3/cs unknown
- 1991-11-06 IE IE386891A patent/IE65895B1/en not_active IP Right Cessation
- 1991-11-06 PL PL29229591A patent/PL292295A1/xx unknown
- 1991-11-06 KR KR1019910019648A patent/KR0144849B1/ko not_active Expired - Fee Related
- 1991-11-06 PT PT99438A patent/PT99438B/pt not_active IP Right Cessation
- 1991-11-06 BR BR919104833A patent/BR9104833A/pt unknown
-
1994
- 1994-01-19 SG SG8494A patent/SG8494G/en unknown
- 1994-03-10 HK HK218/94A patent/HK21894A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| MX9101799A (es) | 1992-07-08 |
| DE4035309A1 (de) | 1992-05-14 |
| CA2052986A1 (en) | 1992-05-08 |
| FI915192A7 (fi) | 1992-05-08 |
| HU211179B (en) | 1995-11-28 |
| CA2052986C (en) | 2000-08-08 |
| KR920011229A (ko) | 1992-06-27 |
| EP0484631A2 (de) | 1992-05-13 |
| JP2693060B2 (ja) | 1997-12-17 |
| CS334291A3 (en) | 1992-05-13 |
| IE65895B1 (en) | 1995-11-29 |
| BR9104833A (pt) | 1992-06-23 |
| IS3758A7 (is) | 1992-05-08 |
| HUT62129A (en) | 1993-03-29 |
| ES2049503T3 (es) | 1994-04-16 |
| DK0484631T3 (da) | 1994-01-03 |
| IE913868A1 (en) | 1992-05-20 |
| HU913428D0 (en) | 1992-02-28 |
| NO914312D0 (no) | 1991-11-04 |
| JPH04273680A (ja) | 1992-09-29 |
| PL292295A1 (en) | 1992-08-10 |
| PT99438A (pt) | 1994-02-28 |
| EP0484631B1 (de) | 1993-11-10 |
| ATE97287T1 (de) | 1993-11-15 |
| FI915192A0 (fi) | 1991-11-04 |
| SG8494G (en) | 1994-04-15 |
| NO914312L (no) | 1992-05-08 |
| DE4035309C2 (enExample) | 1993-08-05 |
| EP0484631A3 (en) | 1992-11-25 |
| DE59100587D1 (de) | 1993-12-16 |
| HK21894A (en) | 1994-03-18 |
| KR0144849B1 (ko) | 1998-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4142208A (en) | System for automatically correcting the duty factor of the carrier wave arising from reading-out a data carrier | |
| US20100166039A1 (en) | Apparatus and method for generating small-size spread spectrum clock signal | |
| PT99438B (pt) | Gravador de video com circuito corrector de distorcao | |
| CA1070009A (en) | Method and circuit for detecting and compensating for drop-out and distortion of f.m. video signals | |
| KR0136880B1 (ko) | 주파수 변조 비디오 신호의 드롭-아웃 검출 회로 및 검출 방법 | |
| KR920004127B1 (ko) | 자기기록 재생장치 | |
| JP2689466B2 (ja) | ドロップアウト補償装置 | |
| NL8201394A (nl) | Inrichting voor bewerking van een videosignaal. | |
| TW202249433A (zh) | 鎖頻環及其輸出信號的振盪頻率校正方法 | |
| US4802026A (en) | Velocity error correcting circuit for time base error corrector | |
| US4000511A (en) | Device for the compensation of drop-outs in a angle-velocity modulated signal | |
| US5430551A (en) | Video recorder with distortion corrector circuit | |
| US4184178A (en) | Drop-out compensator for sound reproducing apparatus during tape reversal | |
| KR930014434A (ko) | 자기 레코드 캐리어상에 트랙으로부터의 전기 신호 재생 장치 | |
| EP0360537B1 (en) | Frequency demodulation circuit | |
| US4549225A (en) | Color video signal processing circuit for performing level control and time axis deviation compensation | |
| US4595960A (en) | Phase-reversed dithered automatic scan tracking system | |
| JPS5923606A (ja) | 変調回路 | |
| US5157558A (en) | Video recording unit featuring switching logic means for generating phase shifting matrix groups | |
| JPH05276477A (ja) | 輝度信号伝送チャンネルを有するビデオレコーダ | |
| JPS6054591A (ja) | 磁気記録再生回路 | |
| JPS6258569B2 (enExample) | ||
| JPS62146468A (ja) | ドロツプアウト検出回路 | |
| KR950020400A (ko) | 브이씨알의 화면 끌림 방지회로 | |
| JPS60131658A (ja) | 静電容量型再生装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB1A | Laying open of patent application |
Effective date: 19931029 |
|
| FG3A | Patent granted, date of granting |
Effective date: 19981109 |
|
| MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 20040531 |