| 摘要 |
<p>Apparatus (2) for enabling drivers (4) to monitor how alert they are whilst driving, which apparatus (2) comprises: timer means (6) for causing an operating sequence in which first and second time periods are generated with the first time period being a no-action time period and the second time period being a response period in which a driver (4) is required to take action and cause recommencement of the operating sequence; response means (8) which requires a response in the second time period; sound generating means (10) for generating a first sound for indicating the commencement of the second time period, and for generating a second sound for indicating an alarm condition if the driver (4) fails to provide the response for the response means (8) in the second time period; battery holder means (16) for receiving at least one battery for providing electrical power for the apparatus (2); a housing (24) containing at least one of the timer means (6), the response means (8), the sound generating means (10), and the battery holder means (16); and mounting means (12) for mounting the housing (2) on a steering wheel (14) of a vehicle.</p> |
