# Coded mark inversion

> non-return-to-zero (NRZ) line code

**Wikidata**: [Q5140134](https://www.wikidata.org/wiki/Q5140134)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Coded_mark_inversion)  
**Source**: https://4ort.xyz/entity/coded-mark-inversion


## References

1. Freebase Data Dumps. 2013