In 1938, he got his first patent, " Electron Discharge Device ", on electron multipliers.
2.
Her plight was remedied by eliminating the artificial fiber carpeting in her home and the application of static discharge devices.
3.
To use a common antenna for both transmitting and receiving, Zahl invented a gas-discharge device, called a duplexer.
4.
He also developed a hot-cathode discharge device ( called the Osaka tube ) that had characteristics similar to the Barkhausen-Kurz tube.
5.
He is best known for his work associated with cold cathode glow discharge devices, and has published over a dozen papers and a book dealing with the subject.
6.
They are cold cathode gas discharge devices, and there is no hot filament to burn out, as in an incandescent lamp, and they are just a resistor in series with the neon bulb, so there is not ballast or starter to fail, and no phosphors inside the tube to fail, as in a fluorescent lamp.