Patent ID: 8297399

Claim:
A safety management system comprising: a sensor section to irradiate infrared light onto a portion of skin of a driver of a transportation machine, receive the light passed through the portion of the skin of the driver, and acquire, from the received light, optical information related to a vein pattern of the portion of the skin of the driver and blood component data of the driver including a plasma protein level, a lactic acid level, a blood sugar level and an enzyme level; a driver authentication section to obtain the vein pattern from the optical information, to authenticate the driver of the transportation machine based on the vein pattern and to output an authentication result; a health status determination section to measure the blood component data of the driver authenticated by said driver authentication section from the optical information, said health status determining section being configured to determine whether or not values of the plasma protein level and the lactic acid level in the blood component data measured by said health status determination section are within pre-registered blood component data values indicating an appropriate health status including a level of tiredness of the driver for operating the transportation machine, and to output a determination result, wherein the health status determination section is configured to correct ranges of the pre-registered blood component data values based on previously acquired blood component data of said driver; and a motive power control section to permit or prohibit operation of the transportation machine by controlling motive power of the transportation machine based on the authentication result, the determination result and the level of tiredness of the driver.