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| Number | Title | Issue Date |
| 4281342 | Mark detecting system using image pickup device In a mark detecting system using an image pickup device such as a TV camera in which a mark in the form of a regressive reflector is provided on an object, the field of view of the image pickup device is illuminated with light of a specified wavelength fr... | 07/28/1981 |
| 4275451 | Method of and apparatus for testing of mass-produced articles In a method for testing mass-produced articles a test cycle is run during transport of said articles from a first predetermined position to a second predetermined position. During said transport the articles are provided with a connection to an electric m... | 06/23/1981 |
| 4187545 | Article orientation determining apparatus Article orientation determining apparatus is exemplified in apparatus for determining if the tip ends of corn cobs are leading or trailing as they advance toward a kernel cutter head. The cobs pass between a column of sequentially pulsed radiation emitter... | 02/05/1980 |
| 3987429 | Malfunction detector system for item conveyor A malfunction detector system includes sensors spaced along an article flow path. Recirculating shift registers shift a binary 1 signal through succeeding stages as article-detected signals are received from the associated sensors. Logic elements compare ... | 10/19/1976 |
