Displays

Monitor walls

CRT rear projection screens

DLP rear projection screens

up to 16x16  x
27 inches

40 inches  RGB with tubes.
Analog. High voltage 30KV

40/50 inches with plexiglas screens, fresnel, own aluminium profile design

Image processing:

Universal split processor

19-Inch system with digital programmable zoom functions.

Led Videowalls

SAP booth with the world's first high resolution LED wall with 5mm pixel pitch

Pixel pitch:
2mm to 50mm

LED boards, controllers.
Made in Germany

Munich Airport

Berlin Tegel Airport

Module 0.8m x 0.6m

Front Access

Led tubes 50mm

DSP5 Controller

References

Development and construction of a prototype for the research of virtual perimeter for the Fraunhofer Institute

Member of the expert group with Fraunhofer since 6 years

Research

FET Preamplifier

in the nV, ps range

27 Mhz sawtooth synthesizerr

for harmonic Buncher
at the Max Plank Institute.

by means of PLL and PID feedback control.
RF layout

Pulse generator

galvanically isolated.

 extremely accurate

Amplitude control

for high voltage

Phase control for high inductive load.

Software

Programming languages:

Projects:

VB6

Graphical user interface for led walls,
pixel correction

C

Firmware for LED screens (image recognition), image recognition Convergence correction for projectors

VHDL

Control for LED walls. CPLD and FPGA

Assembler for
signal processor TI

Firmware for LED walls..

ASM 8086

Firmware for rear projection screens

ASM Z80, 6502  etc.

Firmware for monitor walls and various projects

Foxpro database language

ERP program for own company, ran approx. 23 years

PL/I , Fortran

Graphical user interface for Audio Realtime Analyzer

BASIC

Own interpreter for industrial controls..

Heat pumps, air conditioners

ASM 8080

EMV

Antenna:

 for measuring the radiation

RF Transmitter:

 for measuring cabinets

On-site measurements,
filtering, training:

EMC support:

in development, production, purchasing, final inspection and installation

     Industry

Purpose:

Example:

Detail:

Industrial control PLC:

for heat pumps, air conditioners

with own programming language and interface

Fire alarm system

with storage

Software

Electric sub-distribution:

Switching power supplies and DC/DC:

From 3W bis 150W

EMC-compliant, for different products

Medical electronics

ECG preamplifier

ECG long-term storage

mobile on cassette

Stimulation current generator

with Monitor

Waveform with Z80 software

Ultrasound diagnosis conversion on video

first device with VHS recording. 1982

Alarm message printer in the intensive care unit

Patient data on thermal paper together with the ECG

Interfaces

HDMI equalizer,
Distributor 1 to 2

Graphics card 512x256

Z80  ECB Bus

with library

Audio / light

noise generator

digitally generated without fidget

with hardware and software

Audio Multiplexer

for 64 stereo chanells 

Software, Hardware

Realtime Analyzer

32 channel, graphics

Hardware, software and remote control

Hi-fi amplifier

1000W, 1MHz, 1%

with VMOS transistors

64 channel light control

Hard and software with playback

effective operating software

Special designs

Dimmer control for a foreign LED wall

Development of a hardware interface

Software with interface

Evaluation of votes in TV studios

input devices

Software with graphical user interface

Electro-mechanics

Led trailer
construction

Cabinet IQ107 / ProBox

for rear projection and LED displays

Patents / trademark

MAGFIXX

very important innovation with neodym magnets and methods for assembling and calibrating high resolution displays

Patent

Frame with aluminum profiles

for LED rentals

previous expertises

Task:

Comment:

Determine whether the transponders of a door lock system for an office building are disturbed by an emergency power generator

The interference of the 25KHz carrier signal could be detected by means of a specially constructed ferrite antenna.
The RF emissions were also far too high.
The UPS was apparently not really geared to EMC despite certificates.

Determining the cause of the failure of a large number of LEDs a Ledwall at Porsche on behalf of Led manufacturer.

The internal Led bonding was loose. This was not noticed during the quality control in all stages.
Cause: new potting process with silicone.
=> All boards had to be exchanged completely..

New York:
AT & T wants to use the new frequencies of the digital dividend. However, these are disturbed by two large ledwalls.
A suppression of these frequencies is required.

The challenge was the size of the walls.
An interference suppression manual in English was handed over.

Determine how to use 200qm Led rental walls as EMV compliant as possible.

There had to be a training, hand-held instruments are provided so that in actual daily use, especially at airports no one is disturbed.

A Led display made many problems. It should be noted which rules were not respected.

The importer has indeed disregarded all VDE and EMC laws.
The prior art was not met. The system was not waterproof. Contracts were unclear.
An electric specialist company with 40 years of experience did not want to see the obvious shortcomings due to the attractive price..

The VFB Stuttgart asked why the police radio is disturbed.

The LED walls of an Italian manufacturer had no EMC shielding.
On one of the walls was tried an dejam with no success.
=> Based on the findings, the customer could return both walls and got new LED walls.

EMC examination

about 50 times

During each installation it was checked for exactly these serial numbers and the specific installation location whether and who could be disturbed..

Workshops

LED-Display

EMC

Together with the Federal Network Agency, the feasibility of interference suppression for EMC and the special phenomena in large displays was demonstrated and discussed in practice.