A model presents 4k-capable screens at Panasonic Corp. booth at CEATEC (Combined Exhibition of Advanced Technologies) JAPAN 2014 in Chiba, east of Tokyo, October 7, 2014. Over 500 companies and organisations are exhibiting at CEATEC JAPAN 2014, which will be held until October 11, 2014. (Photo by Issei Kato/Reuters)

A woman performs rhythmic gymnastics with a ribbon at the Panasonic Corp booth at the Combined Exhibition of Advanced Technologies (CEATEC) JAPAN 2014 in Chiba, east of Tokyo, October 7, 2014. (Photo by Issei Kato/Reuters)

A prototype of Japanese electronics company Toshiba's female android Ms. Aiko Chihira performs sign language to a visitor during the annual CEATEC Japan advanced technologies show in Chiba Tuesday, October 7, 2014. The robot features its smooth gestures and expressions, giving a self-introduction to visitors. Exhibitors used such attention-grabbing gadgets to showcase their technology and stand out at the event that started Tuesday. (Photo by Koji Sasahara/AP Photo)

Toshiba Corp. demonstrates its communications android named Ms. Aiko Chihira that can use sign language and introduce itself, at the Combined Exhibition of Advanced Technologies (CEATEC) JAPAN 2014 in Chiba, east of Tokyo, October 7, 2014. (Photo by Issei Kato/Reuters)

Toshiba Corp. demonstrates its communications android named Ms. Aiko Chihira that can use sign language and introduce itself, at the Combined Exhibition of Advanced Technologies (CEATEC) JAPAN 2014 in Chiba, east of Tokyo, October 7, 2014. (Photo by Issei Kato/Reuters)

A dinosaur robot produced by Tyco Electronics Japan G.K. is controlled by a smartphone at CEATEC (Combined Exhibition of Advanced Technologies) Japan 2014 held at at Makuhari Messe in Chiba, east of Tokyo, Japan, 07 October 2014. The CEATEC opened on 07 October for a five-day exhibition. (Photo by Kimimasa Mayama/EPA)

A TE Connectivity Japan staff member demonstrates how to control remotely its dinosaur robot “TE Saurus” by a smart phone during the annual CEATEC Japan advanced technologies show in Chiba, east of Tokyo Tuesday, October 7, 2014. With a Sharp Aquos ZETA mobile phone model, users can make the 6.5-meter (21 feet, 4 inches) long, 2.1-meter (6 feet, 11 inches) tall dinosaur robot to walk forward and backward, jump, move its head, hands and legs up and down, left and right, open and close its mouth by touching the screen panel and make it bark by shaking the handheld. (Photo by Koji Sasahara/AP Photo)

Japan's Murata Manufacturing Co. Ltd's latest concept robots, the “Murata Cheerleaders”, demonstrate how they balance on balls and synchronise as a team by utilising sensing and communication technology, at the Combined Exhibition of Advanced Technologies (CEATEC) JAPAN 2014 in Chiba, east of Tokyo, October 7, 2014. (Photo by Issei Kato/Reuters)

Robot cheerleaders developed by Murata Manufacturing perform synchronized dancing during the annual CEATEC Japan advanced technologies shnow in Chiba Tuesday, October 7, 2014. They are 36 centimeters (14 inches) tall but their choreography is flawless. Murata Manufacturing, a leading electronic component manufacturer, presents a group of 10 robot cheerleaders with color-changing pom-pons that use gyroscopic sensors to roll on spherical bases in unison without losing their balance. (Photo by Koji Sasahara/AP Photo)

A model displays Japanese mobile communication giant NTT Docomo's mobile navigation device “Yubi Navi” (Finger Navigator) which uses tactile sensations to guide the user at the CEATEC electronics trade show in Chiba, suburban Tokyo on October 7, 2014. Some 550 companies and organization exhibit their latest products and technology through October 11. (Photo by Yoshikazu Tsuno/AFP Photo)

A man wears the lightweight robot suit “Skeletonics” which expands its users' motions two times larger at the CEATEC electronics trade show in Chiba, suburban Tokyo on October 7, 2014. (Photo by Yoshikazu Tsuno/AFP Photo)

Two large replicas of the famous statue Manneken Pis, standing on the engine space of a model of a F1 machine, to display an explanation of fuel cell systems at Japanese automaker Honda booth at the CEATEC electronics trade show in Chiba, suburban Tokyo on October 7, 2014. (Photo by Yoshikazu Tsuno/AFP Photo)

Japan's electronics maker Omron displays the pingpong robot, which returns the ball to a spot facilitating return by the opponent player at the CEATEC electronics trade show in Chiba, suburban Tokyo on October 7, 2014. (Photo by Yoshikazu Tsuno/AFP Photo)

Japan's Omron Corp. demonstrates a table tennis playing robot at CEATEC (Combined Exhibition of Advanced Technologies) JAPAN 2014 in Chiba, east of Tokyo, October 7, 2014. (Photo by Issei Kato/Reuters)