Technical Documentation & White Papers
Detailed technical documents on our systems, topics and working methods — as PDFs to download.
Technical Documentation
ellan:RTOS — Operating System
Kernel, dual-CPU, TCP/IP, router, VoIP, HTTP/FTP, email, ISDN, USB, CAN, DSP, wireless and security in detail.
PDFHardware Development
Processor families, ARM/Cortex-M7, system interfaces, CAN, WLAN, Linux, dual-processor, enclosures, power supply, sensors, manufacturing.
PDFGate Communication
Requirements, scope of services, security at the door (Elink751), authentication and encryption, video integration.
White Papers / Newsletter
On various topics we publish white papers at irregular intervals. They address details of our technologies and systems.
Security through Encryption
BSI requirements, encryption methods and secure protocols in the network.
PDFNew Hardware Platform
The hardware platforms we use, their advantages and their range of functions.
PDFAmplifier Technology
Power stages, amplifiers in intercom and communication systems, IP technology.
PDFCodecs and Audio Processing
PCM, ADPCM and other methods of digital speech and audio coding.
PDFTwo-Wire Communication
Voice/data communication on two wires: ISDN Up0, UK0, CAN and internal bus systems.
PDFBusiness Concept
The business model of EDC HOFFMEISTER GmbH: collaboration, products, neural telephony.
PDFGate Communication in the Network
Definition of terms, requirements, scope of services and security at the door.
Do you have questions about one of the documents or need further information? Contact us — we will be happy to help.