LandOfFree - US Patents - Listing for Electric lamp and discharge devices: systems

Electric lamp and discharge devices: systems – With signal – indicator – or alarm – Discharge device and/or rectifier in the signal circuit

Operation indicator for auto-strobo unit

Electric lamp and discharge devices: systems – With signal – indicator – or alarm – Plural signals – indicators – or alarms

Operation indicator for automatic flash device

Electric lamp and discharge devices: systems – Plural diverse-type load devices

Operation of standby filament associated with an AC arc discharg

Electric lamp and discharge devices: systems – Cathode ray tube circuits – With secondary emission stage in the cathode-ray tube

Operation of storage tubes having secondary electron emissive ta

Electric lamp and discharge devices: systems – Pulsating or a.c. supply

Operational method and electronic ballast for a discharge...

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation

Optical and temperature feedbacks to control display brightness

Electric lamp and discharge devices: systems – Special application – Vehicle

Optical axis adjusting system for vehicle head lamp

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Transformer in the supply circuit

Optical beam modulation and deflection device

Electric lamp and discharge devices: systems – Special application

Optical cleaning system for removing matter from underwater surf

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Pulsating or a.c. supply to the cathode or heater circuit

Optical device with metal halide discharge lamp having enhanced

Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device

Optical display from XeF excimer fluorescence

Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device

Optical element

Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device

Optical element

Electric lamp and discharge devices: systems – Condenser in the supply circuit – Condenser in shunt to the load device and the supply

Optical element driving circuit

Electric lamp and discharge devices: systems – Condenser in the supply circuit – Condenser in shunt to the load device and the supply

Optical element driving circuit

Electric lamp and discharge devices: systems – Condenser in the supply circuit – Condenser in shunt to the load device and the supply

Optical element driving circuit

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron

Optical magnetron for high efficiency production of optical...

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron

Optical magnetron for high efficiency production of optical...

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron

Optical magnetron for high efficiency production of optical...