US 12,436,403 B2
Optical device, binocle, control method for optical device, and program
Masaki Arai, Saitama (JP); and Junichi Yokoyama, Saitama (JP)
Assigned to FUJIFILM CORPORATION, Tokyo (JP)
Filed by FUJIFILM CORPORATION, Tokyo (JP)
Filed on Apr. 26, 2022, as Appl. No. 17/660,635.
Application 17/660,635 is a continuation of application No. PCT/JP2020/039762, filed on Oct. 22, 2020.
Claims priority of application No. 2019-209091 (JP), filed on Nov. 19, 2019.
Prior Publication US 2022/0252897 A1, Aug. 11, 2022
Int. Cl. G02B 27/64 (2006.01); G02B 23/02 (2006.01)
CPC G02B 27/646 (2013.01) [G02B 23/02 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An optical device which includes an optical system, the optical device comprising:
a sensor that detects vibration on the optical device;
an anti-vibration mechanism that includes a drive source driven based on a result of detection performed by the sensor;
a fixation mechanism that fixes a position of the anti-vibration mechanism by coming into contact with a specific portion of the anti-vibration mechanism; and
a processor that performs control with respect to the drive source such that interference between the specific portion and the fixation mechanism does not occur while the fixation mechanism is switching from one of a fixation state, in which the fixation mechanism fixes the position of the anti-vibration mechanism, and a release state, in which the fixation state of the fixation mechanism is released, to the other of the fixation state and the release state,
wherein the processor controls the drive source with a third output, indicating a driving force for driving the drive source, which is obtained based on a first output related to a driving force of the drive source based on the result of the detection and a second output related to a driving force of the drive source in a direction for aligning the specific portion with a reference position determined in advance, and
wherein actuation of the fixation mechanism is initiated prior to the third output being obtained.