| 摘要 |
<p>A buckle for a seatbelt or safety harness, the buckle including: a housing having proximal and distal ends; a stem having mounting means at a distal end thereof, the other end extending into the distal end of the housing; a locking mechanism mounted on the stem within the housing; an opening in the proximal end of the housing to permit a tongue to pass therethrough and engage the locking mechanism; signal generating means mounted within the housing, the signal generating means including at least one actuating member which when activated produces an electromagnetic signal; and coupling means locating within the housing operatively coupled between the locking mechanism and the actuating member, the arrangement being such that passing a tongue into the opening causes the coupling means to actuate the actuating member to produce said electromagnetic signal.</p> |
