Seiko Epson Corporation

Masanori Ojima

Hirofumi Kasuga

Naoya Nishimura

Kazuhiro Miyoshi

Shintaro Nagasaki

Yukari Araki

A second projector disposed so as to be opposed to a projection surface includes a projection section configured to project second image light on the projection surface on which a base image is displayed, and visibility of the base image on which the second image light is projected is made lower than in a state in which the second image light is not projected on the projection surface.

Projector that lowers visibility of base image, projection system and projection method

A measurement information management system includes a measurement apparatus and an information device. The measurement apparatus may include a storage unit; a timepiece unit; a measurement unit which measures biological information indicative of a state of a user; a determination unit which determines whether the biological information meets a certain condition to thereby determine whether or not the state of the user is a certain state; a storage control unit which causes the storage unit to store a time at which the biological information is measured, when the biological information meets the condition; and a transmission unit which transmits information to the information device. The information device may include a display unit. Either the measurement apparatus or the information device may further include a position information measurement unit which measures a location. The display unit may display at least one of the time and the location.

Measurement information management system, measurement apparatus, information device, measurement information management method, and measurement information management program

Growing community of inventors

Kyoto, Japan

Masanori Ojima