| Patent Number |
Title Of Patent |
Date Issued |
| 5903663 |
Automatic error recognition apparatus |
May 11, 1999 |
| An apparatus and process for automatic error recognition for testing for tears in a magnetic-powder process during in-process control of image processing, whereby image recording units together with a downstream image processing unit evaluate areas with different optical characteristics |
| 5870182 |
System for checking a suspension of fluorescent material |
February 9, 1999 |
| The invention relates to a system for checking a suspension of solid particles, having a test tube for taking up and sedimentation of the suspension, having--an illuminating radiation source (L),--a test tube (P) is transparent to the illuminating radiation and the radiation emerging |
| 4833465 |
Electronic door lock |
May 23, 1989 |
| The electronic door lock for an electronic key provided with an electronic store for a key word datum has a latch bolt (5) actuatable at least from the inside of the door by means of a handle and a bolt (7) which is lockable and unlockable by an electric drive device (35). A control |
| 4578999 |
Instrument for testing materials |
April 1, 1986 |
| An instrument for testing of test pieces made of paramagnetic or diamagnetic material as well as of ferromagnetic materials above their Curie point for material defects and/or dimensional accuracy, especially for testing of tubes and slabs above 1000.degree. C. The instrument compris |
| 4564809 |
Eddy current test method with degree of amplification selected in accordance with a compensation |
January 14, 1986 |
| A method and an instrument for testing materials using the eddy current principle, at different frequencies depending on the output quantity of a coil system, compensation values are generated being typical of interfering factors. These compensation values are subsequently superposed |
| 4282577 |
Process and apparatus for automatically adjusting ultrasonic test heads |
August 4, 1981 |
| There is described a process for automatically adjusting the angle of inclination and the focus distance of ultrasonic heads in reference to the test piece in devices for the non-destructive testing of work pieces, especially tubes, using a computer where both the adjustment of the angle |