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A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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| Number | Title | Issue Date |
| 4134498 | Multiplexed sorting apparatus A sorting apparatus for sorting articles randomly disposed across a wide path is characterized by a plurality of side-by-side viewer elements each assigned a corresponding side-by-side sector of an illuminated viewed area through which the articles to be ... | 01/16/1979 |
| 4121716 | Doubles and thickness detector and sorter An automatic doubles and sheet thickness detector is disclosed that operates by comparing consecutive sheet materials that are delivered to a rotating drum. The consecutive sheet materials pass under two spaced apart rollers that are movably biased agains... | 10/24/1978 |
| 4120403 | Photoelectric apparatus for sorting variegated articles according to size A photoelectric apparatus for sorting articles according to size includes a vertical column of photoelectric pickups disposed adjacent to the conveyor on which the articles pass by. The apparatus includes a clock pulse generator synchronized with the conv... | 10/17/1978 |
| 4105122 | Inspecting cans for openings with light Inspection is effected by clamping cans between a holder and a photosensitive device which holders and devices are disposed in opposed relationship in a plurality of sets, illuminating exterior of the cans to project light through any opening in the can t... | 08/08/1978 |
| 4096949 | Apparatus for performing a three-way sort Apparatus for three-way sorting of particles in a singulated particle stream is characterized by a viewing assembly including a first and a second classifying section each respectively classifying each particle passing therethrough according to first and ... | 06/27/1978 |
| 4016980 | Device for checking envelopes for enclosed documents A device for inspecting envelopes for enclosed contents consists of a conveyor for feeding the envelopes one at a time past an inspection station whereat the opacity of an envelope is sensed at two zones spaced from one another along a line perpendicular ... | 04/12/1977 |
| 3975262 | Synchronized produce sorting system A synchronizing system is provided to produce gating pulses which occur only when a pocket between adjacent convoluted rollers is directly under the optical system. These gating pulses control operation of the circuitry of the grading apparatus and the ej... | 08/17/1976 |
| 3955678 | Sorting system In accordance with the invention, a control system is provided for maximizing flow rate and sorting rate by minimizing the spacing between articles of varying length. The system measures the length of the articles and controls their movement into the sort... | 05/11/1976 |
| 3939984 | Package inspection and handling system A packaging handling system for detecting and rejecting faulty packages and for maintaining a packaging or boxing machine in operation for a specific period of time if one or the other goes down. The system comprises a plurality of photocell sensing units... | 02/24/1976 |
