Predetermined audio e.g. dictation, and/or video e.g. film, format digital data reading device for use with e.g. MP3 walkman, has reading units to read format data only from female universal serial bus (USB) connector that receives USB key

摘要

The device has a female universal serial bus (USB) connector connected to a universal serial bus, and receiving a USB key (34) that stores data of a predetermined audio and/or video format. Reading units are arranged for reading the data of predetermined format only from the female connector. Writing units write the predetermined format data only in the direction of the connector.