| 7753269 |
POS-based code driven retail transaction system configured to enable the reading of code symbols on cashier and customer sides thereof, during a retail transaction being carried out at a point-of-sale (POS) station, and driven by a retail transaction application program |
Garrett Russell, Mark S. Schmidt, Sung Byun, Timothy Good |
2010-07-13 |
| 5067130 |
Method for acquiring data in a logic analyzer |
— |
1991-11-19 |
| 5043927 |
Digital signal quality analysis using simultaneous dual-threshold data acquisition |
— |
1991-08-27 |
| 4979177 |
Enhanced counter/timer resolution in a logic analyzer |
— |
1990-12-18 |
| 4968902 |
Unstable data recognition circuit for dual threshold synchronous data |
— |
1990-11-06 |
| 4949361 |
Digital data transfer synchronization circuit and method |
— |
1990-08-14 |
| 4560981 |
Logic waveform display apparatus |
Daniel C. Olin, Russell Y. Anderson |
1985-12-24 |
| 4554536 |
Logic timing diagram display apparatus |
— |
1985-11-19 |
| 4458165 |
Programmable delay circuit |
— |
1984-07-03 |
