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US 6,774,788 B1Granted
Navigation device for use by the visually impaired
OwnerThomas J. Balfeinventor
Life of this patent
Estimating the term…
Abstract
A handheld navigation device for use by the visually impaired having a camera electrically connected to a microprocessor. The microprocessor is capable of object and character recognition and translation into Braille. A Braille display is electrically connected to the microprocessor. A speaker is electrically connected to the microprocessor for audibly communicating common objects and distances and character recognition translations to the user.
Claims20
A navigation device for use by the visually impaired comprising:
- a housing;
- a camera connected to said housing;
- a microprocessor electrically connected to said camera, said microprocessor capable of character recognition and translation into Braille;
- a Braille display electrically connected to said microprocessor, said Braille display capable of outputting said translated Braille, said Braille display connected to said housing;
- a proximity sensor electrically connected to said microprocessor, said proximity sensor connected to said housing;
- and
- a speaker electrically connected to said microprocessor, said speaker connected to said housing.
4 more elements
A navigation device for use by the visually impaired comprising:
- a housing;
- a camera connected to said housing;
- a microprocessor electrically connected to said camera, said microprocessor capable of character recognition and translation into Braille;
- a Braille display electrically connected to said microprocessor, said Braille display capable of outputting said translated Braille, said Braille display connected to said housing;
- a proximity sensor electrically connected to said microprocessor, said proximity sensor connected to said housing;
- a speaker electrically connected to said microprocessor, said speaker connected to said housing;
- a satellite positioning circuit electrically connected to said microprocessor;
- and
- a non-volatile memory electrically connected to said microprocessor.
6 more elements
A navigation device for use by the visually impaired comprising:
- a housing;
- a camera connected to said housing;
- a microprocessor electrically connected to said camera, said microprocessor capable of character recognition and translation into Braille;
- a Braille display electrically connected to said microprocessor, said Braille display capable of outputting said translated Braille, said Braille display connected to said housing;
- a proximity sensor electrically connected to said microprocessor, said proximity sensor connected to said housing;
- a speaker electrically connected to said microprocessor, said speaker connected to said housing;
- a satellite positioning circuit electrically connected to said microprocessor;
- a non-volatile memory electrically connected to said microprocessor;
- a wireless receiver electrically connected to said microprocessor, said wireless receiver capable of detecting a wireless finder signal;
- a wireless finder unit capable of emitting a wireless finder signal;
- a universal serial bus port electrically connected to said microprocessor, said universal serial bus port connected to said housing;
- a microphone electrically connected to said microprocessor, said microphone connected to said housing;
- a power switch electrically connected to said microprocessor, said power switch slidably connected to said housing;
- a power source connection electrically connected to said microprocessor;
- at least one function switch electrically connected to said microprocessor, said function switch slidably connected to said housing;
- a line out port electrically connected to said microprocessor, said line out port connected to said housing;
- a headphone set electrically connectable to said line out port;
- and
- a battery charge port electrically connected to said microprocessor, said battery charge port connected to said housing.
16 more elements
Dependencies are inferred from the claim text.