JP7352768B2 - プロジェクタのオートフォーカス制御システム - Google Patents

プロジェクタのオートフォーカス制御システム Download PDF

Info

Publication number
JP7352768B2
JP7352768B2 JP2019107630A JP2019107630A JP7352768B2 JP 7352768 B2 JP7352768 B2 JP 7352768B2 JP 2019107630 A JP2019107630 A JP 2019107630A JP 2019107630 A JP2019107630 A JP 2019107630A JP 7352768 B2 JP7352768 B2 JP 7352768B2
Authority
JP
Japan
Prior art keywords
pattern image
focus
controller
projector
autofocus
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.)
Active
Application number
JP2019107630A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020201365A (ja
JP2020201365A5 (https=
Inventor
和彦 爲末
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to JP2019107630A priority Critical patent/JP7352768B2/ja
Priority to US16/895,472 priority patent/US11265522B2/en
Publication of JP2020201365A publication Critical patent/JP2020201365A/ja
Publication of JP2020201365A5 publication Critical patent/JP2020201365A5/ja
Application granted granted Critical
Publication of JP7352768B2 publication Critical patent/JP7352768B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/317—Convergence or focusing systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/142—Adjusting of projection optics
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP2019107630A 2019-06-10 2019-06-10 プロジェクタのオートフォーカス制御システム Active JP7352768B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019107630A JP7352768B2 (ja) 2019-06-10 2019-06-10 プロジェクタのオートフォーカス制御システム
US16/895,472 US11265522B2 (en) 2019-06-10 2020-06-08 Autofocus control system of projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019107630A JP7352768B2 (ja) 2019-06-10 2019-06-10 プロジェクタのオートフォーカス制御システム

Publications (3)

Publication Number Publication Date
JP2020201365A JP2020201365A (ja) 2020-12-17
JP2020201365A5 JP2020201365A5 (https=) 2022-03-17
JP7352768B2 true JP7352768B2 (ja) 2023-09-29

Family

ID=73650856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019107630A Active JP7352768B2 (ja) 2019-06-10 2019-06-10 プロジェクタのオートフォーカス制御システム

Country Status (2)

Country Link
US (1) US11265522B2 (https=)
JP (1) JP7352768B2 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112040206A (zh) * 2020-08-21 2020-12-04 广景视睿科技（深圳）有限公司 一种变焦投影方法及投影仪
WO2025169914A1 (ja) * 2024-02-05 2025-08-14 パナソニックホールディングス株式会社 調整方法、コンピュータプログラム及び制御装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003005020A (ja) 2001-06-21 2003-01-08 Fuji Photo Film Co Ltd プロジェクタ用合焦システム
JP2006018048A (ja) 2004-07-01 2006-01-19 Sharp Corp プロジェクタ
JP2013015820A (ja) 2011-06-10 2013-01-24 Nikon Corp プロジェクタ，撮像装置
CN102967991A (zh) 2012-11-08 2013-03-13 广东欧珀移动通信有限公司 一种调节投影仪焦距的方法、装置、系统及移动终端
JP2014056030A (ja) 2012-09-11 2014-03-27 Ricoh Co Ltd 画像投影システム、画像投影システムの運用方法、画像投影装置、及び画像投影システムの遠隔操作装置
WO2017134781A1 (ja) 2016-02-03 2017-08-10 Ｎｅｃディスプレイソリューションズ株式会社 プロジェクター及びフォーカス調整方法
WO2018154634A1 (ja) 2017-02-21 2018-08-30 Ｎｅｃディスプレイソリューションズ株式会社 投写型表示装置、投写型表示装置の制御方法、及びプログラム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3821777B2 (ja) 2002-12-24 2006-09-13 Ｎｅｃビューテクノロジー株式会社 投射装置及びそのフォーカス調整方法
JP3852456B2 (ja) 2004-03-19 2006-11-29 セイコーエプソン株式会社 プロジェクタ及びパターン画像表示方法
JP3925513B2 (ja) 2004-06-23 2007-06-06 セイコーエプソン株式会社 プロジェクタの自動フォーカス調整
JP5374953B2 (ja) * 2008-07-30 2013-12-25 セイコーエプソン株式会社 プロジェクタおよびプロジェクタの制御方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003005020A (ja) 2001-06-21 2003-01-08 Fuji Photo Film Co Ltd プロジェクタ用合焦システム
JP2006018048A (ja) 2004-07-01 2006-01-19 Sharp Corp プロジェクタ
JP2013015820A (ja) 2011-06-10 2013-01-24 Nikon Corp プロジェクタ，撮像装置
JP2014056030A (ja) 2012-09-11 2014-03-27 Ricoh Co Ltd 画像投影システム、画像投影システムの運用方法、画像投影装置、及び画像投影システムの遠隔操作装置
CN102967991A (zh) 2012-11-08 2013-03-13 广东欧珀移动通信有限公司 一种调节投影仪焦距的方法、装置、系统及移动终端
WO2017134781A1 (ja) 2016-02-03 2017-08-10 Ｎｅｃディスプレイソリューションズ株式会社 プロジェクター及びフォーカス調整方法
WO2018154634A1 (ja) 2017-02-21 2018-08-30 Ｎｅｃディスプレイソリューションズ株式会社 投写型表示装置、投写型表示装置の制御方法、及びプログラム

Also Published As

Publication number Publication date
US11265522B2 (en) 2022-03-01
US20200389629A1 (en) 2020-12-10
JP2020201365A (ja) 2020-12-17

Similar Documents

Publication Publication Date Title
CN101990079B (zh) 投影机以及梯形失真修正方法
JP3925513B2 (ja) プロジェクタの自動フォーカス調整
US7108375B2 (en) Image projection apparatus
CN105372916A (zh) 图像投影设备及其控制方法
JP7352768B2 (ja) プロジェクタのオートフォーカス制御システム
JP7154877B2 (ja) 画像投射装置、画像投射装置の制御方法、および、プログラム
JP6023408B2 (ja) 画像処理装置および画像処理方法
US10466574B2 (en) Image projection apparatus
JP5241354B2 (ja) 画像投射装置
JP2008203491A (ja) プロジェクタ
JP4016972B2 (ja) プロジェクタ、および、プロジェクタの制御方法
US9477062B2 (en) Zoom lens barrel
JP2013083737A (ja) 画像表示装置、光源制御装置及び光源制御方法
JP5355371B2 (ja) 撮像装置及びその制御方法
JP3859590B2 (ja) 投射装置及びそのフォーカス調整方法
JP6395513B2 (ja) 撮像装置及びその制御方法、プログラム、記憶媒体
US11249594B2 (en) Projector including a light detector and a controller and method for controlling the projector
JP5224639B2 (ja) 投射型映像表示装置
JP2006287863A (ja) 投射型表示装置
KR101438810B1 (ko) 빔 프로젝터의 화면 자동 보정 장치 및 방법
JP2004205681A (ja) 投射装置及びそのフォーカス調整方法
JP2024108846A (ja) 投影装置、制御装置、制御方法、及び制御プログラム
JP2021089313A (ja) 画像投射装置
JP2022076764A (ja) 画像投射装置
JP2020144244A (ja) 画像投射装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220308

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220308

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20221014

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20221020

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20221122

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20230118

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230317

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230509

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230705

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: 20230808

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230821

R151 Written notification of patent or utility model registration

Ref document number: 7352768

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

SZ03 Written request for cancellation of trust registration

Free format text: JAPANESE INTERMEDIATE CODE: R313Z03

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