| 4604634 |
Apparatus for recording and reproducing an electrographic image |
Ernst Feldtkeller, Gottfried Lange |
1986-08-05 |
| 4577108 |
X-Ray converter foil |
Heinrich Diepers, Gottfried Lange |
1986-03-18 |
| 4554453 |
Apparatus for recording X-ray images |
Hans-Werner Heinrich, Karl Kempter |
1985-11-19 |
| 4541017 |
Apparatus for contact-free measurement of electrical charge images generated by electro-radiographic recording methods |
Wolfram Wersing |
1985-09-10 |
| 4508966 |
Recording and readout apparatus for X-rays |
Raimund Oberschmid |
1985-04-02 |
| 4486778 |
Arrangement for contact-free measurement of electrical charge images in electro-radiographic recording methods |
Lothar Risch, Reinhard Tielert |
1984-12-04 |
| 4359767 |
Ultrasonic array |
Bertram Sachs, Jacques Borburgh |
1982-11-16 |
| 4354132 |
Ultrasonic transducer with a plastic piezoelectric receiving layer and a non plastic transmitting layer |
Jacques Borburgh |
1982-10-12 |
| 4305014 |
Piezoelectric array using parallel connected elements to form groups which groups are .apprxeq.1/2.lambda. in width |
Jacobus Borburgh |
1981-12-08 |