Inventor

RUDOLPH BERND

DE53 patents

⚠️ This page may combine multiple inventors who share the name “RUDOLPH BERND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RUDOLPH BERND

PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH

Circuit arrangement for operating electric lamps, and an operating method for electronic lamps

Circuit arrangement and method for operation of lamps

Ballast for one or more fluorescent lamps including threshold sensitive filament voltage preheating circuitry

Circuit configuration for operating at least one discharge lamp

Semiconductor-controlled operating circuit for one or more low-pressure discharge lamps, typically fluorescent lamps

Circuit arrangement and method for starting and operating discharge lamps

Circuit arrangement for operating electric lamps, and operating method for electric lamps

Operating device for gas discharge lamp

Electronic ballast having a pump circuit for a discharge lamp having preheatable electrodes

Shutdown circuit

Circuit arrangement and method for starting and operating gas discharge lamps with heatable electrode filaments

Device for operating discharge lamps

Circuit arrangement for operating electric lamps

Smoothing circuit for improving EMC

Ballast for a discharge lamp having a continuous-operation control circuit

Circuit arrangement and method for operating at least one electric lamp

Drive circuit for operating at least one lamp in an associated load circuit

OSRAM GMBH

Self-oscillating bipolar transistor DC/AC/DC converter using a pulse forming timer

Lighting system with an interface having a power supply unit and at least one light source module

Lighting system with an interface having a power supply unit and at least one light source module

Electronic ballast for discharge lamps having an EOL monitoring circuit

Power supply unit and related lighting system

Light engine module, related power supply unit and lighting system

Synchronous rectifier

Circuit arrangement for operating a series circuit of at least two low-pressure gas-discharge lamps, and a corresponding method

ATLAS MAT TESTING TECH GMBH

UV light-emitting diodes as a radiation source in a device for the artificial weathering of samples

Control of the UV radiation sources for a weathering apparatus on the basis of the averaged radiation intensity

Sensor arrangement with multiple sensors for weathering apparatus

Weathering testing using radiation sources which are identifiable by means of RFID chips

Weathering testing having a plurality of radiation sources which are independently operable of one another

Detection of emission radiation of UV light emitting diode by structurally identical UV light receiving diode

Method and apparatus for determining the time curve of the intensity of radiation in a weathering testing device

Device for simulating spectral UV characteristic by UV light emitting diodes

RUDOLPH BERND

Buck converter for operating at least one LED

Circuit arrangement and method for operating a discharge lamp with preheatable electrodes

Circuit arrangement for operating a low-pressure gas discharge lamp and corresponding method

Buck converter for making power available to at least one LED

Buck converter and method for providing a current for at least one LED

Circuit configuration for starting and operating at least one discharge lamp

ATLAS MATERIAL TESTING TECH GMBH

Illumination device for a simulation arrangement for motor vehicle accidents

Sensor device with an air mass sensor for a weathering device

High power exposure for vehicle accident simulation system

HERAEUS XENOTEST GMBH

Ultraviolet sensor

Xenon lamp system for materials testing apparatus

PATENT TREUHAND GES FUER GLUEH

Circuit arrangement for operating electric lamp

HERAEUS GMBH W C

Auto-adjustable operating room light

XENOTEST GES FUER DIE HERSTELL

Method for treating material samples and apparatus for testing exposure to light and weathering

BUSSE OLAF

Ballast for a discharge lamp with adaptive preheating

RATENT TREUHAND GES FUER ELEK

Circuit arrangement for operating at least one low-pressure discharge lamp

LIESS UWE

Method for controlling a half-bridge circuit and corresponding half-bridge circuit