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Market for tiny cameras expands

Smal Camera Technologies, which makes image sensors and other components for compact digital cameras, announced Tuesday that Oregon Scientific and Radio Shack are selling credit card-size cameras based on Smal components. Radio Shack's FlatFoto and Oregon's DS6610 both are about a quarter of an inch thick, can capture several dozen images on built-in memory chips, and can use batteries that recharge via the camera's USB (universal serial bus) port. The RadioShack camera sells for $80, while the Oregon Scientific model is priced at $99.