JP2006157270A - テレビジョン基準信号生成装置及び方法 - Google Patents
テレビジョン基準信号生成装置及び方法 Download PDFInfo
- Publication number
- JP2006157270A JP2006157270A JP2004342564A JP2004342564A JP2006157270A JP 2006157270 A JP2006157270 A JP 2006157270A JP 2004342564 A JP2004342564 A JP 2004342564A JP 2004342564 A JP2004342564 A JP 2004342564A JP 2006157270 A JP2006157270 A JP 2006157270A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- television
- reference signal
- main station
- station
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
- H04N5/067—Arrangements or circuits at the transmitter end
- H04N5/073—Arrangements or circuits at the transmitter end for mutually locking plural sources of synchronising signals, e.g. studios or relay stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/04—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Synchronizing For Television (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Studio Circuits (AREA)
Abstract
【解決手段】第1入力端子22には、本局BB信号が入力される。第2入力端子30には、周波数が既知で高精度に維持されるCW信号が入力される。位相調整信号生成回路24は、本局BB信号と所定位相関係を有するリセット(位相調整)信号を生成する。PLL32及びカウンタ34は、CW信号を受けて、地方放送局で本局との同期を取るために使用されるフレーム・パルスを生成する。このとき、カウンタ34は、本局BB信号が入力されているときに、リセット信号を用いて、本局BB信号とフレーム・パルスの位相関係を所望の位相関係に調整する。
【選択図】図2
Description
18 商用回線接続スイッチ
20 テレビジョン基準信号生成装置
22 第1入力端子
24 位相調整信号生成回路
26 同期分離回路
28 パルス生成回路
30 第2入力端子
32 位相ロックループ回路
34 カウンタ
36 出力端子
CNT 初期カウント値
N カウンタの分周比
Claims (2)
- 第1テレビジョン基準信号を受ける第1入力端子と、
周波数が既知の基準周波数信号を受ける第2入力端子と、
上記第1テレビジョン基準信号と所定位相関係を有する位相調整信号を生成する位相調整信号生成手段と、
上記基準周波数信号を受けて、第2テレビジョン基準信号を生成する信号生成手段とを具え、
上記信号生成手段は、上記第1テレビジョン基準信号が入力されているときに、上記位相調整信号を用いて、上記第1テレビジョン基準信号と上記第2テレビジョン基準信号の位相関係を所望の位相関係に調整することを特徴とするテレビジョン基準信号生成装置。 - 第1テレビジョン基準信号が入力されると、上記第1テレビジョン基準信号と所定位相関係を有する位相調整信号を生成するステップと、
基準周波数信号を受けて、第2テレビジョン基準信号を生成するステップと、
上記位相調整信号を用いて、上記第1テレビジョン基準信号と上記第2テレビジョン基準信号の位相関係を所望の位相関係に調整するステップと
を具えるテレビジョン基準信号生成方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004342564A JP4448966B2 (ja) | 2004-11-26 | 2004-11-26 | テレビジョン基準信号生成装置 |
US11/286,041 US7764305B2 (en) | 2004-11-26 | 2005-11-23 | Method and apparatus for generating a reference television signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004342564A JP4448966B2 (ja) | 2004-11-26 | 2004-11-26 | テレビジョン基準信号生成装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006157270A true JP2006157270A (ja) | 2006-06-15 |
JP2006157270A5 JP2006157270A5 (ja) | 2009-08-27 |
JP4448966B2 JP4448966B2 (ja) | 2010-04-14 |
Family
ID=36595180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004342564A Expired - Fee Related JP4448966B2 (ja) | 2004-11-26 | 2004-11-26 | テレビジョン基準信号生成装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7764305B2 (ja) |
JP (1) | JP4448966B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7494465B2 (en) | 2004-07-13 | 2009-02-24 | Dexcom, Inc. | Transcutaneous analyte sensor |
EP2329770B2 (en) | 2004-07-13 | 2024-04-10 | DexCom, Inc. | Transcutaneous analyte sensor |
WO2007084130A1 (en) | 2006-01-17 | 2007-07-26 | Dexcom, Inc. | Low oxygen in vivo analyte sensor |
JP4586127B2 (ja) * | 2006-03-01 | 2010-11-24 | テクトロニクス・インターナショナル・セールス・ゲーエムベーハー | 波形表示装置 |
CN103313067B (zh) * | 2012-03-06 | 2015-04-22 | 晨星软件研发(深圳)有限公司 | 应用于视频信号锁相的方法与相关装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2140239B (en) * | 1983-05-18 | 1986-10-08 | Sony Corp | Television frame signal synchronizing circuits |
US4618880A (en) * | 1984-03-12 | 1986-10-21 | Pires H George | Method and apparatus for synchronizing a plurality of television signals |
DE3686439T2 (de) * | 1985-04-12 | 1993-03-04 | Tektronix Inc | Digitale phasenregelschleifen. |
JPH0636606B2 (ja) * | 1985-06-19 | 1994-05-11 | ソニー株式会社 | 磁気記録再生装置 |
US4947241A (en) * | 1986-04-25 | 1990-08-07 | North American Philips Corporation | Training signal for maintaining the correct phase and gain relationship between signals in a two-signal high definition television system |
JP2656288B2 (ja) * | 1988-02-29 | 1997-09-24 | 株式会社東芝 | 位相検波回路 |
US5764284A (en) * | 1996-06-26 | 1998-06-09 | Mci Corporations | System and method for measuring the fidelity of video |
-
2004
- 2004-11-26 JP JP2004342564A patent/JP4448966B2/ja not_active Expired - Fee Related
-
2005
- 2005-11-23 US US11/286,041 patent/US7764305B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP4448966B2 (ja) | 2010-04-14 |
US20060132650A1 (en) | 2006-06-22 |
US7764305B2 (en) | 2010-07-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100312710B1 (ko) | 디지탈 영상기기를 위한 클럭공급장치 | |
KR0152040B1 (ko) | 심볼타이밍복구 및 동기신호검출을 이용한 고선명텔레비젼/엔티에스씨 공용수신방법 및 그 장치 | |
US7764305B2 (en) | Method and apparatus for generating a reference television signal | |
JPH03238973A (ja) | 映像重合せ制御回路 | |
CN100527785C (zh) | 数字广播接收机中的显示同步信号产生装置和解码器 | |
KR100580176B1 (ko) | 디지털 방송 수신 시스템에서 디스플레이 동기 신호 생성장치 | |
KR100402300B1 (ko) | 텔레비젼 세트 및 텔레비젼 세트의 채널 변경 방법 | |
JP2003169229A (ja) | テレビジョン映像表示装置及び表示方法 | |
KR100317289B1 (ko) | 디지털 티브이의 동기신호 보정장치 | |
JP2003198874A (ja) | システムクロック生成回路 | |
US7432982B2 (en) | OSD insert circuit | |
JP2794693B2 (ja) | 水平偏向回路 | |
JP2009100315A (ja) | 映像信号処理システム及び表示方法 | |
JP3638443B2 (ja) | ディジタル放送用テレビジョン受信機 | |
JP2002359753A (ja) | 映像表示装置および映像安定化方法 | |
KR100370073B1 (ko) | 디지털 방송의 vcr 녹화용 출력을 위한 프레임 싱크제어 장치 및 방법 | |
KR19980078730A (ko) | 텔레비젼의 시스템 클럭 발생장치 및 그 방법 | |
JPH05252438A (ja) | 映像信号サンプリング制御回路 | |
KR100296745B1 (ko) | 텔레비젼화상영역표시회로 | |
JPH10191099A (ja) | 同期結合装置 | |
JPH08336081A (ja) | オンスクリーン挿入装置 | |
JPH10319933A (ja) | ドットクロック発生回路 | |
JPH04188961A (ja) | 位相可変型位相同期回路 | |
KR20060083656A (ko) | 디지털 자동 미세 조정 장치 | |
KR970078694A (ko) | 수평 중앙라인 조정용 패턴 발생장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060705 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090709 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090818 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090825 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091013 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20091202 |
|
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: 20100105 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20100106 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100106 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20100106 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4448966 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130205 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |