System for explaining an exhibit using spectacle-type displays

A system for explaining an exhibit having a number of exhibit elements, comprising:

• a plurality of installed image generating devices, each operationally linked to an exhibit element and a plurality of portable display devices;
• each of said plurality of image generating devices comprising:
• image generating means for generating an image related to the exhibit element;
• and
• a transmitter means for outputting said generated image at a predetermined frequency,
• each of said plurality of portable display devices comprising:
• a receiver means for receiving the image related to the exhibit element transmitted at the predetermined frequency from said image generating device;
• and
• display means for displaying the image received by said receiver means on a display unit provided thereon.

A portable display device (PDD) for use in conjunction with an image generator system, including a plurality of installed image generators each operatively associated with one or more exhibit elements, and at least one transmitter, to provide an explanation of said exhibit elements, said PDD comprising in combination:

• a receiver for receiving an image related to an exhibit element transmitted over a predetermined communication channel;
• a display for displaying the image received by said receiver on a display unit provided thereon;
• means for attaching said portable display device to the head of a user;
• and
• means for transmitting a signal from said portable display device to said exhibit element associated image generator to initiate transmission of said explanation.