Patent ID: 8892898

Claim:
A projector system comprising: an information processing apparatus supplying image data to a projector; and the projector projecting an image based on the image data supplied from the information processing apparatus, wherein the information processing apparatus includes: a device connection unit of the information processing apparatus which enables communication between the projector and the information processing apparatus; a password generating unit of the information processing apparatus which generates a password used for determining whether to start a process for projection; and an encryption unit of the information processing apparatus which encrypts the password and outputs the encrypted password to the projector through the device connection unit of the information processing apparatus, and wherein the projector includes: a device connection unit of the projector which enables communication between the information processing apparatus and the projector; a decryption unit of the projector which decrypts the encrypted password input through the device connection unit of the projector using a decryption key; and a password determining unit of the projector which has functions of determining whether the decrypted password is correct and outputting a signal directing to start the process for projection to be performed by the projector in a case where the decrypted password is correct.