04940234 is referenced by 30 patents and cites 3 patents.

A video game machine which functions as a simulator. The machine comprises a toy vehicle, a manual control unit permitting a human player to remotely control the vehicle, an optical sensor mounted integrally with the vehicle, and a control which controls the progress of a game according to information supplied from the sensor. The toy vehicle is held so as to be movable along the viewing screen of a television set. The sensor is disposed opposite to the TV screen and monitors the emission of light from the screen portion which is opposite to the sensor.

Title
Video game machine
Application Number
7/323298
Publication Number
4940234
Application Date
March 14, 1989
Publication Date
July 10, 1990
Inventor
Hiroshi Murayama
Tokyo
JP
Yoshifumi Ishimura
Tokyo
JP
Nobuaki Ishida
Tokyo
JP
Agent
Price Gess & Ubell
Assignee
Sega Enterprises
JP
IPC
A63F 9/14
View Original Source