| 摘要 |
A walking aid for assisting a visually disabled user is provided. The walking aid consists of an elongated housing having a handle at one end and a distal end opposite the handle. A wheel is mounted to the distal end of the housing, the wheel being mounted to the housing by a swivel mount permitting the wheel to swivel in any direction in response to the user moving the walking aid. The length of the housing is selected such that the user can comfortably hold the handle of the walking aid while walking with the wheel supporting the housing by rolling along the ground. The housing contains a cell phone which is coupled to an earphone and microphone interface worn by the user. The earphone/microphone interface permits the user to operate the cell phone device to make and receive telephone calls. A GPS unit is contained in the housing. The GPS unit has a voice interface which is configured to receive a plurality of operating instructions as voice commands. The voice interface is further configured to transmit GPS information, such as location, direction of travel, speed and directions as voice messages. The earphone and microphone interface is configured to couple to the GPS unit such that the user can transmit voice commands to the GPS unit through the microphone and the GPS unit can transmit the voice messages to the user through the earphone.
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