Telex Communications, Inc.
🏢 View company profile →67Patents
0Active
67Granted
38Portfolio score
Filing activity: Jul 18, 1977 → Aug 25, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5182774A | Noise cancellation headset | Human Necessities | 145 | Expired |
| US5883804A | Modular digital audio system having individualized functional modules | Electricity | 144 | Expired |
| US6278786A | Active noise cancellation aircraft headset system | Electricity | 135 | Expired |
| US5862241A | Adjustable headset | Electricity | 115 | Expired |
| USD299337S | Headset | General | 81 | Expired |
| USD468723S1 | Earphone headset | General | 74 | Expired |
| US5568205A | Camera mounted wireless audio/video transmitter system | Emerging Cross-Sectional Technologies | 65 | Expired |
| USD333137S | Headset | General | 65 | Expired |
| USD443870S | Headset | General | 57 | Expired |
| US4944578A | Color graphic imager utilizing a liquid crystal display | Emerging Cross-Sectional Technologies | 56 | Expired |
| USD529484S1 | Microphone | General | 53 | Expired |
| US4747145A | Earcup suspension for headphone | Electricity | 52 | Expired |
| USD366486S | Headset | General | 52 | Expired |
| US5903655A | Compression systems for hearing aids | Electricity | 52 | Expired |
| US4718099A | Automatic gain control for hearing aid | Electricity | 48 | Expired |
| USD481370S1 | Teleconferencing unit | General | 47 | Expired |
| USD377174S | Aircraft headset | General | 44 | Expired |
| US4727585A | Adjustable tension support band for headset | Electricity | 43 | Expired |
| US5802183A | BTE assistive listening receiver with interchangeable crystals | Electricity | 41 | Expired |
| US6496589B1 | Headset with overmold | Electricity | 38 | Expired |
| US5483528A | TDM digital matrix intercom system | Electricity | 37 | Expired |
| USD299129S | Headphone earpiece | General | 36 | Expired |
| USD363487S | Headset ear piece | General | 35 | Expired |
| USD469770S1 | Headset signal converter pod | General | 35 | Expired |
| US5097224A | Self-biasing, low noise amplifier of extended dynamic range | Electricity | 30 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.