RCID/ TouchGo: man opens door without key

TouchGo / RCID: Capacitive Signal Transmission

Open the Office Door Without a Key

Customer’s Challenge

This was exactly the requirement of our customer : to open a door without taking a key or badge out of the pocket.

Outcome

Solcept has turned an idea that is known for a long time into a series product: capacitive transmission of information. The first time, because the technology (RCID: Resistive-Capacitive IDentification) until now did not get beyond functional prototypes or research projects.

As always at Solcept, even though we took over the complete responsibility, all intellectual property stays with the customer. So he remains independent.

Implementation

By Solcept taking over all steps from feasibility studies through rapid prototype to series ramp-up including knowledge management of the technology, the development team at the customer could concentrate on bringing other products to the market fast.

Customer

dormakaba is one of the world’s largest providers of physical security solutions, for mechanical and electronic locks and locking systems.

Project Scope

Expertise

Communication technology
- Signal transmission
- Coding
Signal processing
Analog electronics:
- Low-noise front end
Digital Signal Processors
Ultra-low-power technologies: several hundred thousand door openings and a standby time of several years with two AA batteries
PCB layout with consideration of signal integrity (Measurement of 1 nA next to a high-speed signal processor)

Technologies

Direct-Sequence Spread Spectrum (DS-SS)
Circular codes
Semi-custom ASIC (Application-Specific Integrated Circuit) for the transmitter/key
Analog Design Blackfin
Cortex-M0
C++

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