Sony Corporation

Tomohisa Nara

Nobuharu Murashima

Akichika Tanaka

Akio Kimba

There is provided an electrical key lock device, including a second gear configured to rotate by driving power received from a motor, a first gear configured to transfer the driving power, received through the rotation of the second gear, to an external rotational element, and a third gear arranged between the second gear and the first gear and configured to transfer the driving power generated by the motor to the first gear. The third gear enables switching between closing and opening of a transfer path of the driving power between the second gear and the first gear.

Key drive device

A mount adapter includes: a camera cone having a length of adjusting a flange focal length between an imaging device provided with an imaging element and an interchangeable lens; a focus detection unit carrying out focus detection from a phase difference; an optical device separating an incident light from the interchangeable lens into an incident light of the imaging element and an incident light of the focus detection unit; and a correction information storage unit storing correction information used for correction of an error between the flange focal length and a distance from a mounting surface of the interchangeable lens to the focus detection unit.

Growing community of inventors

Tokyo, Japan

Tomohisa Nara