Inventor

ECK JOHN P

US4 patents

⚠️ This page may combine multiple inventors who share the name “ECK JOHN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZENITH ELECTRONICS CORP

2 patents

US4802213AJan 31, 1989

Sound masking in phase reversal TV scrambling system

ZENITH ELECTRONICS CORP3 citations60

US5912970AJun 15, 1999

Television scrambling system

ZENITH ELECTRONICS CORP2 citations56

ARRIS ENTPR LLC

1 patent

US10013328B2Jul 3, 2018

Incorrectly connected HDMI cable indicator

ARRIS ENTPR LLC3 citations69

ECK JOHN P

1 patent

US9161081B2Oct 13, 2015

HDCP link integrity checking with detection of enhanced link verification support

ECK JOHN P0 citations38