An audio book for the blind having tactile means to indicate when a recording medium has been loaded

摘要

The audio book comprises a body 12 into which a recording medium such as a CD ROM in a caddie 22 can be loaded. In the first embodiment ( see figs.2 to 7), the position of the door member 16 indicates whether or not a recording medium is present whilst in the second embodiment ( see figs.8 & 9) the indication is provided by the position of a retractable pin 70.