LISNR, INC.
24Patents
24Active
24Granted
58Portfolio score
Filing activity: May 1, 2013 → Oct 19, 2023
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10826623B2 | Phase shift keyed signaling tone | Electricity | 6 | Active |
| US11095999B1 | Channel-based control of audio transmissions | Electricity | 4 | Active |
| US11146836B1 | Detection and synchronization of audio transmissions using complex audio signals | Electricity | 4 | Active |
| US11233582B2 | Local tone generation | Electricity | 3 | Active |
| US11539449B2 | Encoding strategy selection for data transfer using audio transmissions | Electricity | 3 | Active |
| US11805161B2 | Transmitting data using audio transmissions and quadrature amplitude modulation and associated equalization strategies | Electricity | 3 | Active |
| US11605110B2 | Systems and methods for enabling audio transactions in physical locations such as drive-through locations | Physics | 1 | Active |
| US11418876B2 | Directional detection and acknowledgment of audio-based data transmissions | Electricity | 1 | Active |
| US11622217B2 | Channel-based control of audio transmissions | Electricity | 0 | Active |
| US12244333B2 | Phase shift detection and correction for audio-based data transmissions | Electricity | 0 | Active |
| US12301646B2 | Transmitting data using audio transmissions and quadrature amplitude modulation and associated equalization strategies | Electricity | 0 | Active |
| US11074033B2 | Access control and validation using sonic tones | Electricity | 0 | Active |
| US12250028B2 | Encoding strategy selection for data transfer using audio transmissions | Electricity | 0 | Active |
| US11778401B2 | Channel-based control of audio transmissions | Electricity | 0 | Active |
| US11452153B2 | Pairing and gateway connection using sonic tones | Electricity | 0 | Active |
| US11558647B2 | Detection and synchronization of audio transmissions using complex audio signals | Electricity | 0 | Active |
| US12238502B2 | Channel-based control of audio transmissions | Electricity | 0 | Active |
| US11189295B2 | High bandwidth sonic tone generation | Electricity | 0 | Active |
| US11126394B2 | Systems and methods for content delivery and management | Electricity | 0 | Active |
| US11902756B2 | Directional detection and acknowledgment of audio-based data transmissions | Electricity | 0 | Active |
| US11361774B2 | Multi-signal detection and combination of audio-based data transmissions | Electricity | 0 | Active |
| US12267188B2 | Magnitude equalization of audio-based data transmissions | Electricity | 0 | Active |
| US12302083B2 | Channel-based control of audio transmissions | Electricity | 0 | Active |
| US11330319B2 | Inaudible signaling tone | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.