Means for automatic focusing

Industry

CPC
G03B21/53

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Parent Industries

GPHYSICS G03Photography G03BAPPARATUS 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 G03B21/00Projectors or projection-type viewers Accessories therefor

Current Industry

G03B21/53Means for automatic focusing

Industries

Patents Grantslast 30 patents

Information Patent Grant
Bidirectional compensation method and apparatus for projection ther...
- Patent number 11,934,089
- Issue date Mar 19, 2024
- CHENGDU XGIMI TECHNOLOGY CO., LTD.
- Bo Zhong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lens device
- Patent number 11,892,704
- Issue date Feb 6, 2024
- Young Optics Inc.
- Yi-Feng Yen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection method and projection device
- Patent number 11,886,107
- Issue date Jan 30, 2024
- IVIEW DISPLAYS (SHENZHEN) COMPANY LTD.
- Yong Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ultra-short focus projecting optical system and projection device
- Patent number 11,822,062
- Issue date Nov 21, 2023
- UNION OPTECH CO., LTD.
- Yuancai Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic apparatus for controlling a projector to project an imag...
- Patent number 11,808,561
- Issue date Nov 7, 2023
- Canon Kabushiki Kaisha
- Kenji Onuki
- G01 - MEASURING TESTING
Information Patent Grant
Video communications apparatus and method
- Patent number 11,758,089
- Issue date Sep 12, 2023
- VTech Telecommunications Limited
- Tomy Cai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Projection optical apparatus, projector, and method for projection...
- Patent number 11,703,746
- Issue date Jul 18, 2023
- Seiko Epson Corporation
- Kaho Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection method and projection apparatus
- Patent number 11,589,019
- Issue date Feb 21, 2023
- Wenxiang Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of projecting sewing pattern pieces onto fabric
- Patent number 11,583,021
- Issue date Feb 21, 2023
- NEWCO JODITO LLC
- Elizabeth Caven
- A41 - WEARING APPAREL
Information Patent Grant
Projector focusing method and projector focusing system capable of...
- Patent number 11,558,591
- Issue date Jan 17, 2023
- Weltrend Semiconductor Inc.
- Ta Hsien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control device and method for controlling a piezoelectric drive dev...
- Patent number 11,411,512
- Issue date Aug 9, 2022
- Seiko Epson Corporation
- Kiichi Kajino
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Autofocus projection apparatus having focal-length fine adjustment,...
- Patent number 11,392,020
- Issue date Jul 19, 2022
- Digiengin Optoelectronics Taizhou Ltd., Co.
- Jinhui Zhai
- G01 - MEASURING TESTING
Information Patent Grant
Projection display apparatus and method of controlling the same
- Patent number 11,323,671
- Issue date May 3, 2022
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Natsumi Akaiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time of flight sensing for brightness and autofocus control in imag...
- Patent number 11,303,859
- Issue date Apr 12, 2022
- STMicroelectronics (Research & Development) Limited
- Neale Dutton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection apparatus, backlash detecting system and method thereof
- Patent number 11,300,867
- Issue date Apr 12, 2022
- Coretronic Corporation
- Chih-Chen Chen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection apparatus and storage medium
- Patent number 11,249,381
- Issue date Feb 15, 2022
- Canon Kabushiki Kaisha
- Atsushi Kano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic apparatus, control method thereof and computer readable...
- Patent number 11,209,262
- Issue date Dec 28, 2021
- Canon Kabushiki Kaisha
- Kenji Onuki
- G01 - MEASURING TESTING
Information Patent Grant
Projection apparatus and auto-focusing method
- Patent number 11,204,543
- Issue date Dec 21, 2021
- Coretronic Corporation
- Tzu-Hai Chung
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
LCD projector optical system and projection method
- Patent number 11,169,432
- Issue date Nov 9, 2021
- NANHUA INTELLIGENT PRECISION MACHINE (SHENZHEN) CO., LTD.
- Hanwen Guo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Piezoelectric driving device, piezoelectric motor, robot, electroni...
- Patent number 11,133,453
- Issue date Sep 28, 2021
- Seiko Epson Corporation
- Akio Konishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Adjusting mechanism and projector
- Patent number 10,989,992
- Issue date Apr 27, 2021
- Seiko Epson Corporation
- Akira Nemura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection display apparatus
- Patent number 10,901,308
- Issue date Jan 26, 2021
- Canon Kabushiki Kaisha
- Junichi Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Displacement measuring apparatus
- Patent number 10,859,369
- Issue date Dec 8, 2020
- Keyence Corporation
- Noriyoshi Yamane
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Projection optical system and projector apparatus
- Patent number 10,761,415
- Issue date Sep 1, 2020
- NITTOH INC.
- Takahiko Matsuo
- G02 - OPTICS
Information Patent Grant
Method of projecting sewing pattern pieces onto fabric
- Patent number 10,750,810
- Issue date Aug 25, 2020
- JO-ANN STORES, LLC
- Elizabeth Caven
- A41 - WEARING APPAREL
Information Patent Grant
Displacement measuring apparatus
- Patent number 10,724,850
- Issue date Jul 28, 2020
- Keyence Corporation
- Kaoru Fujiwara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Displacement measuring apparatus
- Patent number 10,724,849
- Issue date Jul 28, 2020
- Keyence Corporation
- Masakazu Nishiki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ranging method, automatic focusing method and device
- Patent number 10,698,308
- Issue date Jun 30, 2020
- ZTE Corporation
- Feng Jiang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Displacement measuring apparatus
- Patent number 10,677,584
- Issue date Jun 9, 2020
- Keyence Corporation
- Kaoru Fujiwara
- G01 - MEASURING TESTING
Information Patent Grant
Interactive imaging and sensing system, device and method
- Patent number 10,665,068
- Issue date May 26, 2020
- Design Mill Inc.
- Nathan L. Greiner
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION APPARATUS AND PROJECTING METHOD
- Publication number 20240419061
- Publication date Dec 19, 2024
- Qisda Corporation
- Te-Yuan Li
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
RANGE-BASED FOCUS ASSISTANCE FOR PROJECTION OPTICS
- Publication number 20240329511
- Publication date Oct 3, 2024
- Electronic Theatre Controls, Inc.
- Maxwell Schweiner
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
REMOTE PROJECTOR ALIGNMENT SYSTEM FOR SPHERICAL PROJECTION SYSTEM
- Publication number 20240319572
- Publication date Sep 26, 2024
- John Marciniak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROJECTION APPARATUS AND CALIBRATION METHOD
- Publication number 20230400756
- Publication date Dec 14, 2023
- CORETRONIC CORPORATION
- Chia-Cheng Wu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION DISPLAY APPARATUS
- Publication number 20230251560
- Publication date Aug 10, 2023
- SONY GROUP CORPORATION
- TAKEAKI HIRASAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION APPARATUS
- Publication number 20230213845
- Publication date Jul 6, 2023
- FUJIFILM CORPORATION
- Chikara YAMAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONTROL DEVICE, PROJECTION SYSTEM, CONTROL METHOD, AND PROGRAM
- Publication number 20230186651
- Publication date Jun 15, 2023
- SONY GROUP CORPORATION
- Takashi TAKAMATSU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Focusing module and projection apparatus
- Publication number 20230152676
- Publication date May 18, 2023
- CORETRONIC CORPORATION
- CHIH-HUI CHANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTRONIC DEVICE AND CONTROL METHOD THEREOF
- Publication number 20230059482
- Publication date Feb 23, 2023
- Samsung Electronics Co., Ltd.
- Ohyun KWON
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
VIDEO COMMUNICATIONS APPARATUS AND METHOD
- Publication number 20230048798
- Publication date Feb 16, 2023
- VTech Telecommunications Limited
- Tomy Cai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ULTRA-SHORT FOCUS PROJECTING OPTICAL SYSTEM AND PROJECTION DEVICE
- Publication number 20230043860
- Publication date Feb 9, 2023
- Union Optech Co., Ltd.
- Yuancai LI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Bidirectional Compensation Method and Apparatus for Projection Ther...
- Publication number 20230033152
- Publication date Feb 2, 2023
- CHENGDU XGIMI TECHNOLOGY CO., LTD
- Bo ZHONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Traffic Support Systems and Methods
- Publication number 20220406176
- Publication date Dec 22, 2022
- Cullen Noah Martin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR DYNAMICALLY ADJUSTING MAXIMUM SETTING MAGNIFI...
- Publication number 20220283401
- Publication date Sep 8, 2022
- AVer Information Inc.
- Jen-Hung Yeh
- G02 - OPTICS
Information Patent Application
Projector Focusing Method and Projector Focusing System Capable of...
- Publication number 20220239871
- Publication date Jul 28, 2022
- Weltrend Semiconductor Inc.
- Ta Hsien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTOFOCUS PROJECTION APPARATUS HAVING FOCAL-LENGTH FINE ADJUSTMENT,...
- Publication number 20220171272
- Publication date Jun 2, 2022
- DigiEngin Optoelectronics Taizhou Ltd., Co.
- Jinhui Zhai
- G01 - MEASURING TESTING
Information Patent Application
ELECTRONIC APPARATUS, CONTROL METHOD THEREOF AND COMPUTER READABLE...
- Publication number 20220082370
- Publication date Mar 17, 2022
- Canon Kabushiki Kaisha
- Kenji Onuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD AND APPARATUS FOR CONTROLLING FOCUSING ASSEMBLY, FOCUSING AS...
- Publication number 20220075249
- Publication date Mar 10, 2022
- IVIEW DISPLAYS (SHENZHEN) COMPANY LTD.
- Xinyong Zhang
- G02 - OPTICS
Information Patent Application
PROJECTION METHOD AND PROJECTION APPARATUS
- Publication number 20220053172
- Publication date Feb 17, 2022
- IVIEW DISPLAYS (SHENZHEN) COMPANY LTD.
- Wenxiang Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROJECTION METHOD AND PROJECTION DEVICE
- Publication number 20210360207
- Publication date Nov 18, 2021
- IVIEW DISPLAYS (SHENZHEN) COMPANY LTD.
- Yong Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PROJECTION DISPLAY APPARATUS AND METHOD OF CONTROLLING THE SAME
- Publication number 20210243414
- Publication date Aug 5, 2021
- Panasonic Intellectual Property Management Co., Ltd.
- Natsumi AKAIWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LENS DEVICE
- Publication number 20210080687
- Publication date Mar 18, 2021
- Young Optics Inc.
- Yi-Feng Yen
- G02 - OPTICS
Information Patent Application
METHOD OF PROJECTING SEWING PATTERN PIECES ONTO FABRIC
- Publication number 20200383413
- Publication date Dec 10, 2020
- JO-ANN STORES, LLC
- Elizabeth Caven
- A41 - WEARING APPAREL
Information Patent Application
ELECTRONIC APPARATUS, CONTROL METHOD THEREOF AND COMPUTER READABLE...
- Publication number 20200363189
- Publication date Nov 19, 2020
- Canon Kabushiki Kaisha
- Kenji Onuki
- G01 - MEASURING TESTING
Information Patent Application
LCD projector optical system and projection method
- Publication number 20200341353
- Publication date Oct 29, 2020
- NANHUA INTELLIGENT PRECISION MACHINE (SHENZHEN) CO., LTD.
- Hanwen Guo
- G02 - OPTICS
Information Patent Application
PROJECTION DISPLAY APPARATUS
- Publication number 20200241398
- Publication date Jul 30, 2020
- Canon Kabushiki Kaisha
- Junichi Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION APPARATUS AND STORAGE MEDIUM
- Publication number 20200225567
- Publication date Jul 16, 2020
- Canon Kabushiki Kaisha
- Atsushi Kano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Displacement Measuring Apparatus
- Publication number 20200149874
- Publication date May 14, 2020
- KEYENCE CORPORATION
- Kaoru Fujiwara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Displacement Measuring Apparatus
- Publication number 20200149875
- Publication date May 14, 2020
- KEYENCE CORPORATION
- Noriyoshi YAMANE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Displacement Measuring Apparatus
- Publication number 20200149872
- Publication date May 14, 2020
- KEYENCE CORPORATION
- Kaoru Fujiwara
- G06 - COMPUTING CALCULATING COUNTING

Means for automatic focusing

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Bidirectional compensation method and apparatus for projection ther...

Lens device

Projection method and projection device

Ultra-short focus projecting optical system and projection device

Electronic apparatus for controlling a projector to project an imag...

Video communications apparatus and method

Projection optical apparatus, projector, and method for projection...

Projection method and projection apparatus

Method of projecting sewing pattern pieces onto fabric

Projector focusing method and projector focusing system capable of...

Control device and method for controlling a piezoelectric drive dev...

Autofocus projection apparatus having focal-length fine adjustment,...

Projection display apparatus and method of controlling the same

Time of flight sensing for brightness and autofocus control in imag...

Projection apparatus, backlash detecting system and method thereof

Projection apparatus and storage medium

Electronic apparatus, control method thereof and computer readable...

Projection apparatus and auto-focusing method

LCD projector optical system and projection method

Piezoelectric driving device, piezoelectric motor, robot, electroni...

Adjusting mechanism and projector

Projection display apparatus

Displacement measuring apparatus

Projection optical system and projector apparatus

Method of projecting sewing pattern pieces onto fabric

Displacement measuring apparatus

Displacement measuring apparatus

Ranging method, automatic focusing method and device

Displacement measuring apparatus

Interactive imaging and sensing system, device and method

Patents Applicationslast 30 patents

PROJECTION APPARATUS AND PROJECTING METHOD

RANGE-BASED FOCUS ASSISTANCE FOR PROJECTION OPTICS

REMOTE PROJECTOR ALIGNMENT SYSTEM FOR SPHERICAL PROJECTION SYSTEM

PROJECTION APPARATUS AND CALIBRATION METHOD

PROJECTION DISPLAY APPARATUS

PROJECTION APPARATUS

CONTROL DEVICE, PROJECTION SYSTEM, CONTROL METHOD, AND PROGRAM

Focusing module and projection apparatus

ELECTRONIC DEVICE AND CONTROL METHOD THEREOF

VIDEO COMMUNICATIONS APPARATUS AND METHOD

ULTRA-SHORT FOCUS PROJECTING OPTICAL SYSTEM AND PROJECTION DEVICE

Bidirectional Compensation Method and Apparatus for Projection Ther...

Traffic Support Systems and Methods

SYSTEM AND METHOD FOR DYNAMICALLY ADJUSTING MAXIMUM SETTING MAGNIFI...

Projector Focusing Method and Projector Focusing System Capable of...

AUTOFOCUS PROJECTION APPARATUS HAVING FOCAL-LENGTH FINE ADJUSTMENT,...

ELECTRONIC APPARATUS, CONTROL METHOD THEREOF AND COMPUTER READABLE...

METHOD AND APPARATUS FOR CONTROLLING FOCUSING ASSEMBLY, FOCUSING AS...

PROJECTION METHOD AND PROJECTION APPARATUS

PROJECTION METHOD AND PROJECTION DEVICE

PROJECTION DISPLAY APPARATUS AND METHOD OF CONTROLLING THE SAME

LENS DEVICE

METHOD OF PROJECTING SEWING PATTERN PIECES ONTO FABRIC

ELECTRONIC APPARATUS, CONTROL METHOD THEREOF AND COMPUTER READABLE...

LCD projector optical system and projection method

PROJECTION DISPLAY APPARATUS

PROJECTION APPARATUS AND STORAGE MEDIUM

Displacement Measuring Apparatus

Displacement Measuring Apparatus

Displacement Measuring Apparatus