1
Jurgen Lange, Ralph A Von Vignau: Remote low power indicator for battery driven apparatus. U S Philips Corporation, Bernard Franzblau, April 10, 1990: US04916613 (53 worldwide citation)

An arrangement for the control and remote control of a battery driven apparatus is switched on and off upon the approach and withdrawal, respectively, of a user. The arrangement finds particular use in a water-rinsing system, which comprises an electrical adjustment member which can be activated upo ...


2
Uwe G W Bensch, Ralph A von Vignau, Thomas E F Wille: Method and apparatus for processing identification signals. U S Philips Corporation, Michael E Marion, February 12, 1991: US04992871 (26 worldwide citation)

A method and apparatus for processing identification signals in a data signal (teletext signal) which is cyclically repeated within a television signal and which can be displayed in the form of single still television pictures (teletext pages), whereby the manual entry of numbers for selecting the t ...