Hand held scanner for the visually impaired

摘要: A hand held scanner having recording capabilities is provided. The invention comprises a which reads bar codes, converts the codes to electrical signals, are then relayed palm size data processing unit. unit contains signal synthesizing, memory, recording, playback and erasure means. device has six operating modes: identification or I.D. mode during scanning takes place an audible output generated; memo (some of may not relate particular object) be input into, deleted from replayed by device; search sequentially listing recorded information played back; memory amount remaining available audibly displayed; date/time current day time help brief overview device's functions. record button permits verbal mode. An erase deletes voice I.D., search, modes. previous next buttons move desired message removable flash stores information, speaker, microphone, headphone jack, on/off volume control systems also