JP4230429B2 - デジタル蓄積オシロスコープ - Google Patents
デジタル蓄積オシロスコープ Download PDFInfo
- Publication number
- JP4230429B2 JP4230429B2 JP2004230982A JP2004230982A JP4230429B2 JP 4230429 B2 JP4230429 B2 JP 4230429B2 JP 2004230982 A JP2004230982 A JP 2004230982A JP 2004230982 A JP2004230982 A JP 2004230982A JP 4230429 B2 JP4230429 B2 JP 4230429B2
- Authority
- JP
- Japan
- Prior art keywords
- video
- video signal
- horizontal
- signal
- sample
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/02—Diagnosis, testing or measuring for television systems or their details for colour television signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Synchronizing For Television (AREA)
Description
テクトロニクス・インコーポレイテッドが1996年発行の「テレビジョン製品カタログ1996(Television Products Catalog 1996)」18〜24ページ
7 オシロスコープ・プローブ
10 サンプラー
15 表示器
20 取り込みメモリ
30 ラスタライザー
32 ロウパス・フィルタ
40 トリガ回路
42 タイマー
44 カウンタ
50 計算回路
Claims (1)
- ピーク検出モードで入力ビデオ信号をデジタル化し、該入力ビデオ信号のカラー副搬送波の周期よりも長い各期間毎に上記入力ビデオ信号の最大値及び最小値を検出するサンプラーと、
該サンプラーからの上記最大値及び上記最小値を蓄積するメモリと、
該メモリからの上記最大値及び上記最小値の中間の値を求めて、ラスタ信号を発生するラスタライザーと、
該ラスタライザーからの上記ラスタ信号に応じて上記入力ビデオ信号のグレー・スケール画像を表示する表示器と
を具えたデジタル蓄積オシロスコープ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29365399A | 1999-04-17 | 1999-04-17 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000111966A Division JP3662471B2 (ja) | 1999-04-17 | 2000-04-13 | 同期情報検出装置及びデジタル蓄積オシロスコープ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004361416A JP2004361416A (ja) | 2004-12-24 |
JP4230429B2 true JP4230429B2 (ja) | 2009-02-25 |
Family
ID=23129969
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000111966A Expired - Fee Related JP3662471B2 (ja) | 1999-04-17 | 2000-04-13 | 同期情報検出装置及びデジタル蓄積オシロスコープ |
JP2004230982A Expired - Fee Related JP4230429B2 (ja) | 1999-04-17 | 2004-08-06 | デジタル蓄積オシロスコープ |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000111966A Expired - Fee Related JP3662471B2 (ja) | 1999-04-17 | 2000-04-13 | 同期情報検出装置及びデジタル蓄積オシロスコープ |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1047273B1 (ja) |
JP (2) | JP3662471B2 (ja) |
DE (1) | DE60003115T2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102673938B (zh) * | 2012-05-07 | 2014-11-05 | 深圳市华星光电技术有限公司 | 一种滚轮传送装置及其检测滚轮转动同步性的方法 |
CN103713172B (zh) * | 2012-10-08 | 2017-08-25 | 北京普源精电科技有限公司 | 一种具有改进视频触发功能的示波器 |
CN104020332A (zh) * | 2014-07-07 | 2014-09-03 | 南京邮电大学 | 多功能便携示波器 |
US10587872B2 (en) * | 2017-07-05 | 2020-03-10 | Project Giants, Llc | Video waveform peak indicator |
CN110753195B (zh) * | 2019-12-25 | 2020-04-21 | 深圳市鼎阳科技股份有限公司 | 一种高稳定性的视频触发方法及数字示波器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2639456B1 (fr) * | 1988-11-18 | 1993-04-23 | Thomson Csf | Dispositif de visualisation sur moniteur video d'un signal module en fonction du temps, et procede correspondant |
JPH066835A (ja) * | 1992-06-23 | 1994-01-14 | Sanyo Electric Co Ltd | 水平周波数測定回路 |
US5614944A (en) * | 1994-03-30 | 1997-03-25 | Nec Corporation | Test method and apparatus of sequentially executing synchronous signal test, dot level test, and gradation test of a video signal generator |
US5530454A (en) * | 1994-04-13 | 1996-06-25 | Tektronix, Inc. | Digital oscilloscope architecture for signal monitoring with enhanced duty cycle |
JPH10136409A (ja) * | 1996-11-01 | 1998-05-22 | Astro Design Kk | 映像信号検査システム |
-
2000
- 2000-04-13 JP JP2000111966A patent/JP3662471B2/ja not_active Expired - Fee Related
- 2000-04-17 EP EP20000303215 patent/EP1047273B1/en not_active Expired - Lifetime
- 2000-04-17 DE DE2000603115 patent/DE60003115T2/de not_active Expired - Lifetime
-
2004
- 2004-08-06 JP JP2004230982A patent/JP4230429B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3662471B2 (ja) | 2005-06-22 |
EP1047273B1 (en) | 2003-06-04 |
DE60003115T2 (de) | 2004-04-22 |
JP2004361416A (ja) | 2004-12-24 |
DE60003115D1 (de) | 2003-07-10 |
EP1047273A2 (en) | 2000-10-25 |
EP1047273A3 (en) | 2001-12-12 |
JP2000321304A (ja) | 2000-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5767914A (en) | Video frame grabber comprising analog video signals analysis system | |
JP3456639B2 (ja) | ルミナンス成分抽出器及びデジタル蓄積オシロスコープ | |
EP0090426B1 (en) | Method and apparatus for measuring horizontal sync subcarrier phase | |
JP4230429B2 (ja) | デジタル蓄積オシロスコープ | |
JP3295881B2 (ja) | 標準ビデオ信号と非標準ビデオ信号とを識別する装置 | |
US9001213B2 (en) | Monitoring video waveforms | |
US6975349B2 (en) | Two-dimensional video timing display | |
JP3578747B2 (ja) | 画像出力装置 | |
US6052153A (en) | Synchronization circuit and methods for screens with scanning circuits that reduce the effects of variations in frequency of an input signal | |
JP3023116B2 (ja) | 映像信号処理装置 | |
JP2004310128A (ja) | 画像表示装置 | |
WO2005025233A1 (en) | Composite color frame identifier system and method | |
JPH11275387A (ja) | 映像信号処理装置及び液晶表示装置 | |
JP2001516521A (ja) | ビデオ信号の発生及び捕捉 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20060511 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070814 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20071112 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20071115 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20071214 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20071219 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20080115 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20080118 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080212 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080819 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081110 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20081202 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20081203 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111212 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |