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WO2018092873A1 - Procédé de commande d'élément optique et dispositif optique - Google Patents

Procédé de commande d'élément optique et dispositif optique Download PDF

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Publication number
WO2018092873A1
WO2018092873A1 PCT/JP2017/041440 JP2017041440W WO2018092873A1 WO 2018092873 A1 WO2018092873 A1 WO 2018092873A1 JP 2017041440 W JP2017041440 W JP 2017041440W WO 2018092873 A1 WO2018092873 A1 WO 2018092873A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical element
actuator
movable
spring
unit
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.)
Ceased
Application number
PCT/JP2017/041440
Other languages
English (en)
Japanese (ja)
Inventor
橋村淳司
山田範秀
菅原和弘
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP2018551697A priority Critical patent/JPWO2018092873A1/ja
Publication of WO2018092873A1 publication Critical patent/WO2018092873A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification

Definitions

  • an optical apparatus reflecting one aspect of the present invention includes an optical system that forms a projection image and at least one movable optical element that forms the optical system in the optical axis direction. , A spring that acts on the movable optical element at least in a direction parallel to the driving direction of the movable optical element, and a drive control unit that operates the actuator while using the action of the spring.
  • 5B is a front view of a movable lens and the like.
  • 6A and 6B are plan views for explaining the operation of the movable lens by the driving device. It is a block diagram explaining the control system of the image display apparatus of FIG. 1A. It is a figure explaining the motion and drive method of a movable lens. It is a top view explaining the movable lens integrated in the image display apparatus of 2nd Embodiment, and its drive device.
  • the drawing unit 10 includes a drawing device 12 including a display element 11, a projection optical system 13, a lens driving system 70, a circuit portion 19, and a housing 14.
  • the driving-related information presented to the driver UN by the drawing unit 10 is not limited to information related to the operating state of the vehicle body 2 such as speed, but relates to a driving environment that assists the driver UN such as a vehicle and a pedestrian existing in front of the vehicle body 2. Contains information.
  • the first projection optical unit 30 includes a plurality of lenses or lens groups that project the image of the display element 11.
  • the first projection optical unit 30 is composed of four lenses.
  • the lens driving system 70 including a mechanism for driving the movable lens unit 51 it is not necessary to make the lens driving system 70 including a mechanism for driving the movable lens unit 51 large, and the enlargement and complexity of the apparatus can be prevented. Further, if the movable lens portion 51 is made of a plastic lens, further weight reduction can be achieved.
  • Display element horizontal size (unit: mm): 9.86 Horizontal viewing angle (unit: degree): -12.2
  • the magnification ⁇ 2L of the relay optical unit 50 when the display position of the virtual image is farthest is 1.5 times, and the F value at the long distance projection after the third group emission is about 3.42.
  • the eye box size at that time is secured to about 127 to 116 mm in the horizontal direction of the screen.
  • the difference is in the range, it can be considered that they are substantially coincident. Even if the driving frequency for reciprocating the lens holder 72 by the actuator 74 and the resonance frequency of the spring 75 do not exactly coincide with each other, the load when operating the actuator 74 can be reduced if both frequencies are close to each other.
  • the vibration of the lens holder 72 caused by the spring 75 is not attenuated by the actuator 74.
  • the actuator 74 drives the lens holder 72 or the movable lens unit 51. Is the main. In this case as well, if the drive frequency and the resonance frequency are close, the load when operating the actuator 74 can be reduced.
  • FIG. 7 is a block diagram illustrating a control system of the image display device (optical device) 100 shown in FIG. 1A and the like.
  • the image display apparatus 100 includes a main control unit 90 in addition to the drawing unit 10 described above.
  • the drawing device 12 causes the display element 11 to perform display at times B1 to B3 adjusted based on the detection output of the position information acquisition unit 78 and the vicinity thereof.
  • the display image (virtual image) IM can be formed at a front position corresponding to the position of the movable lens unit 51 while moving the movable lens unit 51 to a plurality of locations set in stages (see FIG. 3).
  • Value is equal to or less than a predetermined value A (m / s) corresponding to the resonance frequency, that is, when
  • the transmission of the driving force of the actuator 74 to the lens holder 72 is not limited to when the vibration of the lens holder 72 is weakened, but can be performed at a specific timing or phase during one vibration of the lens holder 72.
  • the driving force of the actuator 74 is turned OFF, and the spring 75 acts in the opposite direction during the period until the spring 75 is further contracted from the neutral position to reach the most contracted state (see section TA2 in FIG. 8).
  • the driving force of the actuator 74 is turned on so that the vibration is not attenuated.
  • the driving speed by the actuator 74 is increased at a stroke to resonate the movable lens unit 51 or the like with a desired amplitude.
  • the load is applied to the actuator 74 at the start, there is an advantage that the rise time until the steady state is reached can be shortened.
  • the load of the actuator 74 and the amplitude of the movable lens unit 51 and the like are well balanced, and the amplitude and frequency at the time of start-up are controlled, so that the movement of the movable lens unit 51 is in a steady state within a desired time. Smooth start-up control in which the load on the actuator 74 is reduced can also be performed.
  • optical element driving method according to the second embodiment and an optical apparatus using the optical element driving method will be described.
  • the optical element driving method and the like of the second embodiment are modifications of the optical element driving method and the like of the first embodiment, and items that are not particularly described are the same as those of the first embodiment.
  • the lens holder 72 is moved in the optical axis AX direction by the lens driving system 70.
  • the movable lens unit 51 can also be moved directly in the optical axis AX direction by the lens driving system 70.
  • the guide member 73 of the lens driving system 70 it is not necessary to use a shaft-like member, and various methods for smoothly guiding the movement of the lens holder 72 and the like can be used. Even when the guide shaft 73a is used, it is not necessary to use the two guide shafts 73a. If the behavior when displacing the movable lens unit 51 is stabilized, the guide shaft is omitted or one guide shaft is used. If the stability is not easy, three or more guide shafts can be used. Normally, by using two or more guide shafts to balance their arrangement, it is possible to reduce the tilt, vibration, and the like of the movable lens unit 51 during driving.
  • the display screen 20 as a combiner is not limited to being installed separately from the front window 8, and can use the inner surface of the front window 8 or be embedded in the front window 8.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

La présente invention concerne un procédé de commande d'élément optique qui permet de réduire la charge sur un actionneur dans un système comprenant une lentille à commander. Dans ce procédé de commande d'élément optique, un ressort 75 est prévu pour déplacer au moins un élément optique mobile constituant un système optique de projection 13, etc. le long d'un axe optique AX, le ressort 75 agissant, simultanément à un actionneur 74, sur l'élément optique mobile au moins dans une direction parallèle à la direction de déplacement de l'élément optique mobile, et l'actionneur 74 est actionné à l'aide de l'action du ressort 75. Ici, l'élément optique mobile représente, par exemple, une partie de lentille mobile 51.
PCT/JP2017/041440 2016-11-17 2017-11-17 Procédé de commande d'élément optique et dispositif optique Ceased WO2018092873A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018551697A JPWO2018092873A1 (ja) 2016-11-17 2017-11-17 光学素子駆動方法及び光学装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-224581 2016-11-17
JP2016224581 2016-11-17

Publications (1)

Publication Number Publication Date
WO2018092873A1 true WO2018092873A1 (fr) 2018-05-24

Family

ID=62146615

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/041440 Ceased WO2018092873A1 (fr) 2016-11-17 2017-11-17 Procédé de commande d'élément optique et dispositif optique

Country Status (2)

Country Link
JP (1) JPWO2018092873A1 (fr)
WO (1) WO2018092873A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111929893A (zh) * 2020-07-24 2020-11-13 闪耀现实(无锡)科技有限公司 一种增强现实显示装置及其设备
US20210305775A1 (en) * 2020-03-30 2021-09-30 Namuga, Co., Ltd. Light Source Module for Emitting Hight Density Beam and Method for Controlling the Same
KR20210129572A (ko) * 2020-04-17 2021-10-28 주식회사 나무가 광 출력이 조절이 가능한 광 출력장치
KR20220058862A (ko) * 2020-04-17 2022-05-10 주식회사 나무가 광 출력이 조절이 가능한 광 출력장치
JP7518781B2 (ja) 2021-02-17 2024-07-18 嘉二郎 渡邊 振動可視化装置及び該装置を用いた機器診断装置、並びに振動可視化方法及び機器診断方法
DE102024101592A1 (de) * 2024-01-19 2025-07-24 Jenoptik Optical Systems Gmbh Optische Anordnung und Verfahren zum Versetzen eines mit einer Fassung gefassten optischen Bauteils in eine periodische lineare Schwingung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006034082A (ja) * 2004-06-14 2006-02-02 Matsushita Electric Works Ltd 駆動装置、および駆動方法
JP2006101650A (ja) * 2004-09-30 2006-04-13 Mabuchi Motor Co Ltd 共振駆動アクチュエータ
JP2007248671A (ja) * 2006-03-15 2007-09-27 Nidec Copal Corp レンズ駆動装置
JP2012063379A (ja) * 2010-09-14 2012-03-29 Toshiba Corp フォーカス調整装置
JP2013218751A (ja) * 2012-04-05 2013-10-24 Mitsubishi Electric Corp レンズ駆動装置、光ピックアップ装置およびディスク装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006034082A (ja) * 2004-06-14 2006-02-02 Matsushita Electric Works Ltd 駆動装置、および駆動方法
JP2006101650A (ja) * 2004-09-30 2006-04-13 Mabuchi Motor Co Ltd 共振駆動アクチュエータ
JP2007248671A (ja) * 2006-03-15 2007-09-27 Nidec Copal Corp レンズ駆動装置
JP2012063379A (ja) * 2010-09-14 2012-03-29 Toshiba Corp フォーカス調整装置
JP2013218751A (ja) * 2012-04-05 2013-10-24 Mitsubishi Electric Corp レンズ駆動装置、光ピックアップ装置およびディスク装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210305775A1 (en) * 2020-03-30 2021-09-30 Namuga, Co., Ltd. Light Source Module for Emitting Hight Density Beam and Method for Controlling the Same
US11843221B2 (en) 2020-03-30 2023-12-12 Namuga, Co., Ltd. Light source module for emitting high density beam and method for controlling the same
US11888289B2 (en) 2020-03-30 2024-01-30 Namuga, Co., Ltd. Light source module allowing differential control according to distance to subject and method for controlling the same
KR20210129572A (ko) * 2020-04-17 2021-10-28 주식회사 나무가 광 출력이 조절이 가능한 광 출력장치
KR102389320B1 (ko) * 2020-04-17 2022-04-25 주식회사 나무가 광 출력이 조절이 가능한 광 출력장치
KR20220058862A (ko) * 2020-04-17 2022-05-10 주식회사 나무가 광 출력이 조절이 가능한 광 출력장치
KR102524381B1 (ko) * 2020-04-17 2023-05-11 주식회사 나무가 광 출력이 조절이 가능한 광 출력장치
CN111929893A (zh) * 2020-07-24 2020-11-13 闪耀现实(无锡)科技有限公司 一种增强现实显示装置及其设备
JP7518781B2 (ja) 2021-02-17 2024-07-18 嘉二郎 渡邊 振動可視化装置及び該装置を用いた機器診断装置、並びに振動可視化方法及び機器診断方法
DE102024101592A1 (de) * 2024-01-19 2025-07-24 Jenoptik Optical Systems Gmbh Optische Anordnung und Verfahren zum Versetzen eines mit einer Fassung gefassten optischen Bauteils in eine periodische lineare Schwingung

Also Published As

Publication number Publication date
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