Robot teaching device

A robot teaching device configured to perform teaching of a robot, the robot teaching device comprising:

• a display device;
• an operation key formed of a hard key or a soft key disposed on a display screen of the display device, the operation key including an input changeover switch configured to switch whether or not to accept voice input;
• a microphone configured to collect voice and output a voice signal;
• a voice recognition section configured to perform voice recognition processing on the voice signal and output character information represented by the voice;
• a correspondence storage section configured to store each of a plurality of types of commands used in the teaching of the robot and a recognition target word in association with each other;
• a recognition target word determination section configured to determine whether or not a phrase represented by the character information includes the recognition target word stored in the correspondence storage section;
• and
• a command execution signal output section configured to switch, in response to the input changeover switch being operated, between a first operation in which a signal for executing the command corresponding to an operation to the operation key is outputted and a second operation in which a signal for executing the command stored in the correspondence storage section in association with the recognition target word determined to be included in the phrase represented by the character information is outputted,
• wherein the recognition target word determination section is configured, in a case where the phrase represented by the character information does not include the recognition target word stored in the correspondence storage section, to extract, from the correspondence storage section, at least one of the recognition target word having a predetermined relevance with the phrase represented by the character information, and to display, on the display device, a selection screen configured to accept an operation input to select one from at least one of the command associated with the at least one of the recognition target word that is extracted in the correspondence storage section.