Oblon, Fisher, Spivak, McClelland & Maier
Discharge lamp and lighting equipment
 A discharge lamp comprises an arc tube for high pressure discharge and a discharge gap for discharging until restarting the arc tube. The discharge gap being electrically connected in parallel to the arc tube in an outer bulb. A normally opened temperature responsive switch means is connected in series to the discharge gap and a series of the discharge gap and the temperature responsive switch means is connected in parallel to the arc tube. 
Mitsubishi Denki Kabushiki Kaisha
H H
H01J H01J
inventional inventional
Masato Keiji Michihiro Ryo
Saito Watanabe Tsuchihashi Suzuki