JP2009021551A5 - - Google Patents
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- JP2009021551A5 JP2009021551A5 JP2008101943A JP2008101943A JP2009021551A5 JP 2009021551 A5 JP2009021551 A5 JP 2009021551A5 JP 2008101943 A JP2008101943 A JP 2008101943A JP 2008101943 A JP2008101943 A JP 2008101943A JP 2009021551 A5 JP2009021551 A5 JP 2009021551A5
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- 230000001186 cumulative Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 3
- 230000003287 optical Effects 0.000 claims 3
- 238000004587 chromatography analysis Methods 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 2
- 230000000051 modifying Effects 0.000 claims 2
Claims (20)
前記複数のレーザ光源のうちの少なくとも一つのレーザ光源を第１の駆動値又は第２の駆動値で駆動する光源駆動部と、
を有し、
前記光源駆動部は、前記複数のレーザ光源のうち前記第１の駆動値で駆動するレーザ光源の数又は前記複数のレーザ光源のうち前記第２の駆動値で駆動するレーザ光源の数の少なくとも一方を切り替えることにより、前記複数のレーザ光源が射出するレーザ光の全体の出力を制御し、
前記第１の駆動値は、前記複数のレーザ光源のうち、少なくとも一つのレーザ光源のしきい値未満の値であり、
前記第２の駆動値は、前記少なくとも一つのレーザ光源のしきい値を超える値であることを特徴とする光源装置。 A plurality of laser light sources for emitting laser light;
A light source drive unit that drives at least one laser light source of the plurality of laser light sources with a first drive value or a second drive value;
Have
The light source driving unit, the first number of Relais over laser light source to drive the drive values or Relais chromatography THE be driven by the second drive value among the plurality of laser light sources of the plurality of laser light sources By switching at least one of the number of light sources, the overall output of the laser light emitted by the plurality of laser light sources is controlled,
The first drive value is a value less than a threshold value of at least one laser light source among the plurality of laser light sources,
The light source device, wherein the second driving value is a value exceeding a threshold value of the at least one laser light source.
前記第１の駆動値は、前記複数のレーザ光源が有する複数のしきい値のうち、最も小さいしきい値未満の値であり、
前記第２の駆動値は、前記複数のレーザ光源が有する複数のしきい値のうち、最も大きいしきい値を超える値であることを特徴とする光源装置。 The light source device according to claim 1,
The first drive value is a value less than the smallest threshold value among a plurality of threshold values of the plurality of laser light sources,
The light source device, wherein the second drive value is a value that exceeds a maximum threshold value among a plurality of threshold values of the plurality of laser light sources.
前記第１の駆動値は、前記複数のレーザ光源の全てにおいて出力がゼロになる駆動値であり、
前記第２の駆動値は、前記複数のレーザ光源の全てにおいて出力が最大になる駆動値を超える値であることを特徴とする光源装置。 The light source device according to claim 2,
The first drive value is a drive value at which output is zero in all of the plurality of laser light sources,
The light source apparatus according to claim 1, wherein the second drive value is a value exceeding a drive value at which an output is maximized in all of the plurality of laser light sources.
前記光源駆動部が、前記複数のレーザ光源のうちの少なくとも一つのレーザ光源に直列に接続されたスイッチ回路を備え、
前記スイッチ回路によって、前記第１の駆動値、前記第２の駆動値のいずれか一方が前記スイッチ回路に接続されたレーザ光源に供給されることを特徴とする光源装置。 In the light source device according to any one of claims 1 to 3,
The light source driving unit includes a switch circuit connected in series to at least one of the plurality of laser light sources,
One of the first drive value and the second drive value is supplied to a laser light source connected to the switch circuit by the switch circuit.
前記光源駆動部が、前記複数のレーザ光源のうちの一部のレーザ光源に直列に接続されたスイッチ回路と、前記スイッチ回路に接続されていない光量調整レーザ光源に直列に接続された駆動値調整回路と、を備え、
前記スイッチ回路によって、前記第１の駆動値、前記第２の駆動値のいずれか一方が前記スイッチ回路に接続されたレーザ光源に供給され、
前記駆動値調整回路によって、前記駆動値調整回路に接続された前記光量調整レーザ光源に供給される駆動値が調整されることを特徴とする光源装置。 The light source device according to claim 4,
The light source driving unit includes a switch circuit connected in series to a part of the plurality of laser light sources, and a drive value adjustment connected in series to a light amount adjustment laser light source not connected to the switch circuit. A circuit,
The switch circuit supplies either the first drive value or the second drive value to a laser light source connected to the switch circuit,
The drive value supplied to the light quantity adjustment laser light source connected to the drive value adjustment circuit is adjusted by the drive value adjustment circuit.
前記光量調整レーザ光源から射出される光の光量を検出する光量検出部を備え、
前記光量検出部が検出した光量に基づいて、前記駆動値調整回路は、前記光量調整レーザ光源に供給される駆動値を調整することを特徴とする光源装置。 The light source device according to claim 5,
A light amount detection unit for detecting the amount of light emitted from the light amount adjustment laser light source;
The light source device, wherein the drive value adjustment circuit adjusts a drive value supplied to the light amount adjustment laser light source based on the light amount detected by the light amount detection unit.
前記光量検出部は、前記光量調整レーザ光源から射出される光の少なくとも一部を導く光学素子を備えることを特徴とする光源装置。 In the light source device according to claim 5 or 6,
The light amount detection unit includes an optical element that guides at least a part of light emitted from the light amount adjustment laser light source.
前記光学素子は、前記複数のレーザ光源及び前記光量調整レーザ光源から射出される光の照度分布を均一化する均一化光学素子の一部を構成していることを特徴とする光源装置。 The light source device according to claim 7.
The light source device, wherein the optical element constitutes a part of a uniformizing optical element that uniformizes an illuminance distribution of light emitted from the plurality of laser light sources and the light amount adjusting laser light source.
時間経過に伴って点灯又は消灯する前記複数のレーザ光源の各々に関する駆動履歴情報を記憶する記憶部を備え、
前記光源駆動部は、光源制御回路を有し、
前記光源制御回路は、前記記憶部に記憶された前記駆動履歴情報に基づいて、前記複数のレーザ光源の各々を選択的に駆動することを特徴とする光源装置。 The light source device according to any one of claims 1 to 8,
A storage unit that stores drive history information related to each of the plurality of laser light sources that is turned on or off with time;
The light source driving unit has a light source control circuit,
The light source control circuit selectively drives each of the plurality of laser light sources based on the drive history information stored in the storage unit.
前記複数のレーザ光源は、アレイ化されていることを特徴とする光源装置。 The light source device according to any one of claims 1 to 9,
The light source device, wherein the plurality of laser light sources are arrayed.
前記光源装置により照明された被写体を撮像する撮像部と、
を含むことを特徴とするモニタ装置。 The light source device according to any one of claims 1 to 10,
An imaging unit for imaging a subject illuminated by the light source device;
A monitor device comprising:
前記光源装置からの光を画像信号に応じて変調する変調部と、
を含むことを特徴とするプロジェクタ。 The light source device according to any one of claims 1 to 10,
A modulation unit that modulates light from the light source device according to an image signal;
Including a projector.
前記光源駆動工程は、前記複数のレーザ光源のうち前記第１の電流値で駆動するレーザ光源の数又は前記複数のレーザ光源のうち前記第２の電流値で駆動するレーザ光源の数の少なくとも一方を切り替えることにより、前記複数のレーザ光源の射出するレーザ光の全体の出力を制御し、
前記第１の駆動値は、前記複数のレーザ光源のうち、少なくとも一つのレーザ光源のしきい値未満の値であり、
前記第２の駆動値は、前記少なくとも一つのレーザ光源のしきい値を超える値であることを特徴とする光源装置の駆動方法。 A light source driving step of driving a plurality of laser light sources emitting laser light with the first driving value or the second driving value;
The light source driving step, Relais chromatography THE be driven by said second electric current value of the number or the plurality of laser light sources Relais over laser light source be driven by said first electric current value among the plurality of laser light sources By switching at least one of the number of light sources, the overall output of the laser light emitted by the plurality of laser light sources is controlled,
The first drive value is a value less than a threshold value of at least one laser light source among the plurality of laser light sources,
The method of driving a light source device, wherein the second driving value is a value exceeding a threshold value of the at least one laser light source.
前記光源駆動工程において、前記複数のレーザ光源のうち一部のレーザ光源を前記第１の駆動値または前記第２の駆動値のいずれかで駆動し、他のレーザ光源に対しては供給する駆動値を変化させることを特徴とする光源装置の駆動方法。 The method of driving a light source device according to claim 13,
In the light source driving step, a part of the plurality of laser light sources is driven with either the first driving value or the second driving value and supplied to the other laser light sources. A driving method of a light source device, characterized by changing a value.
前記光源駆動工程において、第１ステップで駆動している少なくとも一つの前記レーザ光源の駆動を、前記第１ステップの次の第２ステップでは休止し、
前記第１ステップで駆動していない少なくとも一つの前記レーザ光源を、前記第２ステップでは駆動させることを特徴とする光源装置の駆動方法。 In the drive method of the light source device according to any one of claims 13 and 14,
In the light source driving step, driving of at least one of the laser light sources driven in the first step is paused in the second step following the first step,
A driving method of a light source device, wherein at least one of the laser light sources not driven in the first step is driven in the second step.
時間経過に伴って点灯又は消灯する前記複数のレーザ光源の各々に関する駆動履歴情報を記憶する記憶工程を有し、
前記光源駆動工程においては、前記記憶工程において記憶された前記駆動履歴情報に基づいて、前記複数のレーザ光源の各々を選択的に駆動することを特徴とする光源装置の駆動方法。 In the driving method of the light source device according to any one of claims 13 to 15,
A storage step of storing drive history information related to each of the plurality of laser light sources that is turned on or off with time;
In the light source driving step, each of the plurality of laser light sources is selectively driven based on the driving history information stored in the storing step.
前記駆動履歴情報は、前記光源駆動工程における前記レーザ光源を駆動する直前にて前記レーザ光源を駆動していたか否かに関する駆動直前情報を含み、
前記光源駆動工程においては、前記駆動直前情報に基づいて、駆動していたレーザ光源の駆動を休止させることを特徴とする光源装置の駆動方法。 The driving method of the light source device according to claim 16,
The drive history information includes immediately before driving information regarding whether or not the laser light source was driven immediately before driving the laser light source in the light source driving step,
In the light source driving step, the driving of the laser light source that has been driven is stopped based on the information immediately before the driving.
前記駆動履歴情報は、複数のレーザ光源の各々における累積的な駆動回数又は駆動時間に関する累積駆動情報を含み、
前記光源駆動工程においては、前記累積駆動情報に基づいて、前記複数のレーザ光源の中で前記駆動回数又は前記駆動時間が相対的に多いレーザ光源を駆動せずに、前記駆動回数又は前記駆動時間が相対的に少ないレーザ光源を駆動することを特徴とする光源装置の駆動方法。 In the driving method of the light source device according to claim 16 or 17,
The driving history information includes cumulative driving information related to the cumulative number of driving times or driving time in each of the plurality of laser light sources,
In the light source driving step, based on the cumulative drive information, the number of times of driving or the time of driving is not driven without driving a laser light source having a relatively large number of times of driving or driving time among the plurality of laser light sources. A method of driving a light source device, characterized in that a laser light source with relatively little is driven.
前記駆動履歴情報は、複数のレーザ光源の各々における連続的な駆動回数又は駆動時間に関する連続駆動情報を含み、
前記光源駆動工程においては、前記連続駆動情報に基づいて、前記複数のレーザ光源の中で連続的な駆動回数又は駆動時間が相対的に多いレーザ光源を駆動せずに、連続的な駆動回数又は駆動時間が相対的に少ないレーザ光源を駆動することを特徴とする光源装置の駆動方法。 The driving method of the light source device according to any one of claims 16 to 18,
The drive history information includes continuous drive information related to the number of continuous drives or drive time in each of the plurality of laser light sources,
In the light source driving step, based on the continuous driving information, the number of continuous driving times or the number of continuous driving times among the plurality of laser light sources without driving a laser light source having a relatively long driving time or A driving method of a light source device, wherein a laser light source having a relatively short driving time is driven.
前記光源駆動工程においては、前記複数のレーザ光源の中からランダムにレーザ光源を選択し、当該選択されたレーザ光源を駆動することを特徴とする光源装置の駆動方法。 In the driving method of the light source device according to any one of claims 13 to 19,
In the light source driving step, a laser light source is randomly selected from the plurality of laser light sources, and the selected laser light source is driven.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008101943A JP5194973B2 (en) | 2007-04-10 | 2008-04-09 | Light source device, monitor device, projector, and driving method of light source device |
| US12/081,005 US7680165B2 (en) | 2007-04-10 | 2008-04-09 | Light source device, monitor device, projector, and driving method for driving light source device |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007102444 | 2007-04-10 | ||
| JP2007102444 | 2007-04-10 | ||
| JP2007156304 | 2007-06-13 | ||
| JP2007156304 | 2007-06-13 | ||
| JP2008101943A JP5194973B2 (en) | 2007-04-10 | 2008-04-09 | Light source device, monitor device, projector, and driving method of light source device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009021551A JP2009021551A (en) | 2009-01-29 |
| JP2009021551A5 true JP2009021551A5 (en) | 2011-04-28 |
| JP5194973B2 JP5194973B2 (en) | 2013-05-08 |
Family
ID=40360893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008101943A Expired - Fee Related JP5194973B2 (en) | 2007-04-10 | 2008-04-09 | Light source device, monitor device, projector, and driving method of light source device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5194973B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5428710B2 (en) * | 2009-09-29 | 2014-02-26 | カシオ計算機株式会社 | Light source device, projection device, and projection method |
| JP5845836B2 (en) * | 2011-11-14 | 2016-01-20 | 富士通株式会社 | Optical transmission apparatus and optical transmission method |
| JP2013160894A (en) * | 2012-02-03 | 2013-08-19 | Ricoh Co Ltd | Light source device, and projection display device |
| JP5968031B2 (en) | 2012-04-17 | 2016-08-10 | 三菱電機株式会社 | Laser light source projector |
| JP6223790B2 (en) * | 2013-11-18 | 2017-11-01 | スタンレー電気株式会社 | Vehicle signal lights |
| JP6375799B2 (en) * | 2014-09-05 | 2018-08-22 | 船井電機株式会社 | Image projection device |
| JP6398494B2 (en) * | 2014-09-05 | 2018-10-03 | 船井電機株式会社 | Image projection device |
| JP6267165B2 (en) * | 2015-09-09 | 2018-01-24 | ファナック株式会社 | Long-life high-efficiency laser device with multiple laser diode modules |
| JP2020076970A (en) * | 2018-11-06 | 2020-05-21 | キヤノン株式会社 | Image projection device |
| CN115498498A (en) * | 2022-11-16 | 2022-12-20 | 合肥硅臻芯片技术有限公司 | Packaging structure of quantum random number chip and generation method of quantum random number |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4349048B2 (en) * | 2003-09-22 | 2009-10-21 | セイコーエプソン株式会社 | projector |
| JP2005121688A (en) * | 2003-10-14 | 2005-05-12 | Canon Inc | Projection type display device and white balance control system |
| JP2006064818A (en) * | 2004-08-25 | 2006-03-09 | Rohm Co Ltd | Projector |
| JP5197923B2 (en) * | 2006-03-31 | 2013-05-15 | 富士フイルム株式会社 | projector |
-
2008
- 2008-04-09 JP JP2008101943A patent/JP5194973B2/en not_active Expired - Fee Related
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