JP4742149B2 - 暗視システム電力システムにおけるパルス幅通信方法およびシステム - Google Patents
暗視システム電力システムにおけるパルス幅通信方法およびシステム Download PDFInfo
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- JP4742149B2 JP4742149B2 JP2008538881A JP2008538881A JP4742149B2 JP 4742149 B2 JP4742149 B2 JP 4742149B2 JP 2008538881 A JP2008538881 A JP 2008538881A JP 2008538881 A JP2008538881 A JP 2008538881A JP 4742149 B2 JP4742149 B2 JP 4742149B2
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- Japan
- Prior art keywords
- pulse width
- high voltage
- step value
- night vision
- low voltage
- 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
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- 230000004297 night vision Effects 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 14
- 238000004891 communication Methods 0.000 title description 4
- 230000004044 response Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 3
- 238000004590 computer program Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
- H04N23/651—Control of camera operation in relation to power supply for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the camera
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Selective Calling Equipment (AREA)
Description
Claims (15)
- 高電圧部と結合された低電圧部を有する電力システムと、
低電圧コントローラとステップ値をパルス幅に関連付けた低電圧テーブルを含んだ前記低電圧部であって、前記低電圧コントローラは所望のパルス幅を得て前記テーブルにアクセスしてステップ値を得るものと、
前記低電圧コントローラから前記ステップ値を受け取るオプトアイソレータと、前記ステップ値に応答してステップ値をパルス幅に関連付けた高電圧テーブルにアクセスしてパルス幅を得る高電圧コントローラを含んだ前記高電圧部であって、前記高電圧コントローラは前記パルス幅に応答して制御パルスを生成するものと、
からなる暗視システム。 - 前記高電圧テーブルは前記低電圧テーブルのコピーである、請求項1の暗視システム。
- 前記高電圧部が、前記制御パルスに応答して作動する高電圧パワーエレクトロニクスを含む、請求項1の暗視システム。
- 前記ステップ値は9ビットを使って表されている、請求項1の暗視システム。
- 前記ステップ値はステアリングビットと共に送信される、請求項4の暗視システム。
- 前記ステップ値によって表されるパルス幅は1250μsから300nsの範囲である、請求項1の暗視システム。
- 前記ステップ値は最大値から最小値まで対数的に減少する範囲のパルス幅に対応する、請求項1の暗視システム。
- 前記パルス幅は前記最大値から前記最小値まで2.5%ずつ減少する、請求項7の暗視システム。
- 暗視システムを制御する方法であって、
低電力部において、所望のパルス幅を得て低電圧テーブルにアクセスしてステップ値を得て、
前記ステップ値を高電圧部に送信し、
前記高電圧部において、ステップ値をパルス幅に関連付けた高電圧テーブルにアクセスしてパルス幅を得て、前記高電圧部が前記パルス幅に応答して制御パルスを生成する、
ことからなる方法。 - 前記高電圧テーブルは前記低電圧テーブルのコピーである、請求項9の方法。
- 前記ステップ値は9ビットを使って表されている、請求項9の方法。
- 前記ステップ値はステアリングビットと共に送信される、請求項11の方法。
- 前記ステップ値によって表されるパルス幅は1250μsから300nsの範囲である、請求項9の方法。
- 前記ステップ値は最大値から最小値まで対数的に減少する範囲のパルス幅に対応する、請求項9の方法。
- 前記パルス幅は前記最大値から前記最小値まで2.5%ずつ減少する、請求項14の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/259,462 US7301147B2 (en) | 2005-10-26 | 2005-10-26 | Method and system for communicating pulse width in a night vision system power system |
US11/259,462 | 2005-10-26 | ||
PCT/US2006/035342 WO2008045026A2 (en) | 2005-10-26 | 2006-09-13 | Method and system for communicating pulse width in a night vision system power system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009514502A JP2009514502A (ja) | 2009-04-02 |
JP4742149B2 true JP4742149B2 (ja) | 2011-08-10 |
Family
ID=38574218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008538881A Expired - Fee Related JP4742149B2 (ja) | 2005-10-26 | 2006-09-13 | 暗視システム電力システムにおけるパルス幅通信方法およびシステム |
Country Status (4)
Country | Link |
---|---|
US (1) | US7301147B2 (ja) |
EP (1) | EP1941320A2 (ja) |
JP (1) | JP4742149B2 (ja) |
WO (1) | WO2008045026A2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040238021A1 (en) * | 2003-05-28 | 2004-12-02 | The Coleman Company, Inc. | Modular tent system |
US7535185B2 (en) * | 2005-10-26 | 2009-05-19 | Itt Manufacturing Enterprises, Inc. | Method and system for implementing power reduction algorithms in a night vision system power system |
US7248001B2 (en) * | 2005-10-26 | 2007-07-24 | Itt Manufacturing Enterprises, Inc. | Method and system for modulating frequency in a night vision system power system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5883381A (en) * | 1997-07-28 | 1999-03-16 | Saldana; Michael R. | Night vision device having series regulator in power supply for MCP voltage control |
JP2001216044A (ja) * | 2000-02-01 | 2001-08-10 | Nec Yonezawa Ltd | セキュリティ機能付き情報処理装置 |
JP2005063325A (ja) * | 2003-08-19 | 2005-03-10 | Matsushita Electric Ind Co Ltd | 被認証装置、認証装置、及び認証システム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4924080A (en) * | 1988-07-05 | 1990-05-08 | Itt Corporation | Electromagnetic interference protection for image intensifier tube |
JPH03277130A (ja) * | 1990-03-23 | 1991-12-09 | Toshiba Corp | バッテリーパック |
JPH08138749A (ja) * | 1994-11-16 | 1996-05-31 | Pfu Ltd | バッテリ制御方式 |
US6140574A (en) * | 1997-09-22 | 2000-10-31 | Itt Manufacturing Enterprises, Inc. | Method and apparatus for plated EMI housing with integrated positive contact |
US6087660A (en) * | 1997-11-14 | 2000-07-11 | Litton Systems, Inc. | Night vision device and method |
US6095661A (en) * | 1998-03-19 | 2000-08-01 | Ppt Vision, Inc. | Method and apparatus for an L.E.D. flashlight |
-
2005
- 2005-10-26 US US11/259,462 patent/US7301147B2/en active Active
-
2006
- 2006-09-13 EP EP06851697A patent/EP1941320A2/en not_active Withdrawn
- 2006-09-13 WO PCT/US2006/035342 patent/WO2008045026A2/en active Application Filing
- 2006-09-13 JP JP2008538881A patent/JP4742149B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5883381A (en) * | 1997-07-28 | 1999-03-16 | Saldana; Michael R. | Night vision device having series regulator in power supply for MCP voltage control |
JP2001216044A (ja) * | 2000-02-01 | 2001-08-10 | Nec Yonezawa Ltd | セキュリティ機能付き情報処理装置 |
JP2005063325A (ja) * | 2003-08-19 | 2005-03-10 | Matsushita Electric Ind Co Ltd | 被認証装置、認証装置、及び認証システム |
Also Published As
Publication number | Publication date |
---|---|
WO2008045026A2 (en) | 2008-04-17 |
US7301147B2 (en) | 2007-11-27 |
EP1941320A2 (en) | 2008-07-09 |
JP2009514502A (ja) | 2009-04-02 |
US20070235649A1 (en) | 2007-10-11 |
WO2008045026A3 (en) | 2008-10-16 |
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