Patent ID: 6945666

Claim:
A portable, stroboscope comprising: (a) a housing, said housing comprising a light source, control circuitry, a display and a user control mechanism; (b) a pair of housing power terminals located within said housing; (c) at least one removable replenishable power pack configured and dimensioned for attachment to said housing, said power pack including a plurality of power pack terminals that matingly connect to said housing power terminals when said power pack is attached to said housing; and (d) a means for directly replenishing said removable power pack when said removable power pack is attached to said housing and when it is detached from said housing; (e) said control circuitry providing a control pulse for flashing said light source at a constant periodic flash rate; (f) said display indicating a status of the removable replenishable power pack; and (g) said user control mechanism including means to trigger said control pulse and further means to adjust said periodic flash rate.