www.hellmich.net
Technical Professional Experience and Practice Areas
electrical engineering - digital and analogue circuit architecture
USB, SMBus, ACPI
electronic devices
electrical measurement
RAM, DRAM
magnetic and optic storage media, error correction
- communications engineering
- PSTN, PLMN, MSC, BSC, BTS
modulations: PSK, BPSK, QPSK
CDMA, TDMA, FDMA
GSM, DECT, Bluetooth
ISDN, DSL, ATM
ITU-T-H.223, H.324
error control coding, forward error correction, CRC, Hamming, convolutional and turbo codes, Viterbi
fiber optics, anti-reflection coating
- software-related inventions
- programming experience in PHP, HTML, JavaScript, VBA, SQL, C, C++, MFC,
Pascal
object orientated programming
cryptology: DES, IDEA, Blowfish
image processing and recognition
text and speech recognition, translation systems
- physics
- semiconductor physics
metallization, CVD
optics, laser
gas sensors, metal oxide
micro system technology
nuclear fission and fusion
- medical technology
- respirators, ventilators, CPAP, deep brain stimulation,
spinal fixation
- mechanics
- bicycles, hydraulics
