Telephonics Corp.
21Patents
9Active
21Granted
42Portfolio score
Filing activity: Oct 14, 1980 → Dec 15, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6396413B2 | Personal alarm monitor system | Physics | 231 | Expired |
| US5036538A | Multi-station voice recognition and processing system | Electricity | 153 | Expired |
| US5274666A | Wireless communication system | Electricity | 85 | Expired |
| US6624605B1 | Method, system and apparatus for opening doors | Physics | 62 | Expired |
| US4379211A | Arcuately tensioned piezoelectric diaphragm microphone | Electricity | 16 | Expired |
| US6896043B2 | Heat exchanger | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5537305A | Synchronously tuned power converter method and apparatus | Electricity | 15 | Expired |
| US8232907B2 | Step frequency high resolution radar | Physics | 6 | Expired |
| US11280914B2 | System and method for providing accurate position location information to military forces in a disadvantaged signal environment | Physics | 3 | Active |
| US7705770B2 | System and method for suppressing IFF responses in the sidelobes and backlobes of IFF interrogator antennas | Physics | 2 | Expired |
| US7701383B2 | Method for detecting a target | Physics | 2 | Expired |
| US10591609B1 | System and method for providing accurate position location information to military forces in a disadvantaged signal environment | Physics | 1 | Active |
| US11320528B1 | Monopulse secondary surveillance radar system | Physics | 1 | Active |
| US6891805B2 | Communications system | Electricity | 1 | Expired |
| US10757809B1 | Air-cooled heat exchanger and thermal arrangement for stacked electronics | Electricity | 1 | Active |
| US6751685B2 | E1/T1 to asynchronous communications interface | Electricity | 1 | Expired |
| US10849228B1 | Air-cooled heat exchanger and thermal arrangement for stacked electronics | Electricity | 0 | Active |
| US11493622B1 | Compact radar with X band long-distance weather monitoring and W band high-resolution obstacle imaging for landing in a degraded visual environment | Emerging Cross-Sectional Technologies | 0 | Active |
| US10128834B2 | Bidirectional integrated CMOS switch | Electricity | 0 | Active |
| US11698461B1 | GPS denial detection and reporting and mitigation | Electricity | 0 | Active |
| US9948292B2 | Bidirectional integrated CMOS switch | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.