PROBLEM TO BE SOLVED: To provide a droplet removal device having a function for removing surely and efficiently a droplet or the like adhering to a light flux passing region of a dome type droplet prevention cover.SOLUTION: A droplet removal device includes an optical element 111 including a curved surface-shaped dome part 123 having a light flux passing region allowing passage of a light flux for forming an optical image, an excitation member 120 provided on an installation part formed of a surface having a curvature of 0 at least in one direction, connecting to a curved surface forming the dome part of the optical element, for generating bending vibration in the dome part of the optical element, and a vibration control device 401 for controlling the excitation member.SELECTED DRAWING: Figure 2
【課題】ドーム型防滴カバーの光束通過領域に付着した液滴等を確実かつ効率的に排除する機能を備えた液滴排除装置を提供する。【解決手段】光学像を形成するための光束を通過させる光束通過領域を有し曲面形状のドーム部123を備えた光学素子111と、光学素子のドーム部を形成する曲面に接続する少なくとも1方向の曲率が0の面で形成された設置部に設けられ光学素子のドーム部に屈曲振動を発生させる加振部材120と、加振部材を制御する振動制御装置401とを具備する。【選択図】図2
DROPLET REMOVAL DEVICE, IMAGING DEVICE HAVING DROPLET REMOVAL DEVICE, CONTROL METHOD OF DROPLET REMOVAL DEVICE, AND CONTROL PROGRAM OF DROPLET REMOVAL DEVICE
液滴排除装置と、液滴排除装置を有する画像装置及び上記液滴排除装置の制御方法と上記液滴排除装置の制御プログラム
2017-09-28
Patent
Elektronische Ressource
Japanisch
IPC: | B06B GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL , Erzeugen oder Übertragen mechanischer Schwingungen allgemein / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen |
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