Cognex's Checker is said to be the first and only vision sensor in the world that uses patterns to detect parts and provides output pulses that are synchronized with part position. During operation, it continually watches for trained patterns to appear. After detecting a part, it evaluates the object multiple times from different perspectives, thus offering the possibility of more reliable timing results than with photoelectric sensors. It also reportedly detects features that photoelectric sensors can't, offers fewer false "accepts," offers fewer false rejects, and calls for less tweaking. Cognex says it can be used to check for the presence of O-rings, to verify presence of date/lot codes, to examine package assemblies, look for paint dots, analyze threads on automotive parts, and serve in dozens of other applications. For more information, go to http:// rbi.ims.ca/4922-507.
These new 3D-printing technologies and printers include some that are truly boundary-breaking: a sophisticated new sub-$10,000, 10-plus materials bioprinter, the first industrial-strength silicone 3D-printing service, and a clever twist on 3D printing and thermoforming for making high-quality realistic models.
Ear-based heart-rate monitoring gained momentum recently, as sensor maker Valencell Inc. announced it has licensed its biometric earpiece technology to Samsung Electronics Co. Ltd for use in so-called “hearable devices.”
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