Walter Hirt
24Patents
12h-index
22Co-inventors
81Inventor score
Filing activity: Oct 23, 1985 → Jun 26, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7289815B2 | Transponder subsystem for supporting location awareness in wireless networks | Physics | 111 | Expired |
| US5949831A | Method and apparatus for data detection for PRML data channels | Electricity | 56 | Expired |
| US6625235B1 | Apparatus and method for noise-predictive maximum likelihood detection | Physics | 45 | Expired |
| US6442145B1 | Robust method and apparatus enabling multi-mode wireless optical communication | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5619539A | Data detection methods and apparatus for a direct access storage device | Physics | 33 | Expired |
| US5926301A | Method and apparatus for optical wireless communication | Electricity | 32 | Expired |
| US6643469B1 | Method for improved wireless optical communication and frames for use in a wireless optical communication system | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4750058A | Gain control circuitry for readback apparatus in a PRML magnetic recording system | Physics | 28 | Expired |
| US6104766A | Noise predictive maximum likelihood (NPML) detection methods and apparatus based thereon | Electricity | 28 | Expired |
| US5426541A | Self-equalization method for partial-response maximum-likelihood disk drive systems | Physics | 21 | Expired |
| US6784827B2 | Determining a time of arrival of a sent signal | Physics | 15 | Expired |
| US6344807B1 | Packet-frame generator for creating an encoded packet frame and method thereof | Electricity | 15 | Expired |
| US8849630B2 | Techniques to predict three-dimensional thermal distributions in real-time | Emerging Cross-Sectional Technologies | 12 | Active |
| US6195025A | Method and means for invertibly mapping binary sequences into rate 2/3 (1,K) run-length-limited coded sequences with maximum transition density constraints | Electricity | 10 | Expired |
| US7356019B2 | Method and apparatus for converting optical signals to radio channels | Electricity | 8 | Expired |
| US4652291A | Parison transferring mechanism | Chemistry; Metallurgy | 7 | Expired |
| US6377376B1 | Optoelectronic transceiver having emission angle equal to reception angle | Electricity | 5 | Expired |
| US8380218B2 | Transponder subsystem for supporting location awareness in wireless networks | Physics | 5 | Active |
| US7016403B2 | Apparatus and method for determining the quality of a digital signal | Electricity | 3 | Expired |
| US4618356A | Moving means for use in a glassware manufacturing machine | Chemistry; Metallurgy | 3 | Expired |
| US7743395B2 | Method and system for user-aware video display | Physics | 2 | Active |
| US4704154A | Supporting means for a baffle of a glassware forming machine | Chemistry; Metallurgy | 2 | Expired |
| US6968279B2 | Apparatus and method for determining a pulse position for a signal encoded by a pulse modulation | Electricity | 2 | Expired |
| US4698087A | Take-out mechanism for a glassware forming machine | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.