(19)
(11) EP 0 159 559 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.05.1986 Bulletin 1986/19

(43) Date of publication A2:
30.10.1985 Bulletin 1985/44

(21) Application number: 85103616

(22) Date of filing: 27.03.1985
(84) Designated Contracting States:
DE GB NL

(30) Priority: 27.03.1984 US 593966

(71) Applicant: ESM INTERNATIONAL, INC.
 ()

(72) Inventors:
  • Crismon, James E.
     ()
  • Brum, Jerry W.
     ()

   


(54) Method and apparatus for product sorting


(57) A new method and apparatus whereby the velocity of an object is utilized to precisely activate a control device. First (14) and second (16) sensors provide an indication of the velocity of the object which is then utilized with predetermined standards representative of system parameters to determine an appropriate time delay before the control device (20) should be activated. A signal functionally representative of the appropriate time is then utilized to provide generally precise timing control of a control device.






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