Abstract: One aspect of the invention is an electronic auction system. The electronic auction system comprises computer software that is operable to receive multiple parameter bids on at least one product from a plurality of vendors. The software is further operable to calculate the total cost of the product to the purchaser in response to each vendor's bid according to a total cost formula.

Abstract: An apparatus for use in monitoring fetal heartbeat and the like. The apparatus includes a tubular member having a distal end adapted to be inserted through the vagina and cervix of a woman in labor. A coil is movably mounted in the tubular member and is adapted to be rotatably attached to the fetus. A linear to rotary converter is provided for applying a rotary force to turn the coil for attaching to the fetus in response to the linear force applied by a user to the additional elements and additional means serve to yieldably r esist the linear force applied by the user.

Abstract: A cartridge for supplying a record medium to a strip chart recorder and method of using the same therewith. A pivoting member of the cartridge is engaged with a support member of the mechanism; the cartridge is pivoted about the support member into an operative position in the mechanism; and the cartridge is releasably secured against disengagement from the operative position.