# Columbia Network Security Inc — Patents explained on PatentBrief

Columbia Network Security Inc has 1 landmark patent explained in plain English on PatentBrief.

- [How to Trick Your Phone Into Muting Its Own Microphone](https://patentbrief.org/patent/us/10241750/swift-programming-language) — granted 2019
  A hardware device that plugs into a phone's microphone jack to fool the system into thinking an external mic is attached, effectively silencing the internal microphone.

**Full profile:** https://patentbrief.org/company/columbia-network-security-inc

---

_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._