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| Number | Title | Issue Date |
| 4494186 | Automatic data steering and data formatting mechanism In a data processing system having a plurality of units coupled for the transfer of information therebetween over a common electrical bus or for transferring information via a communication channel to other data processing systems during asynchronously ge... | 01/15/1985 |
| 4481574 | Programmable interface between remote terminals and a computer A data receiver providing an intelligent interface for a hand held computerized data entry terminal to communicate over telephone lines with a host computer. The data receiver has multiple microprocessor control receiver line cards connected to telephone ... | 11/06/1984 |
| 4346452 | NRZ/Biphase microcomputer serial communication logic A single-chip microcomputer comprises a CPU (1), a RAM (2), a ROM (3), a timer (4), serial I/O communication logic (5), and four I/O ports (11-14). The serial I/O communication logic is capable of handling serial communications in either the NRZ or Manche... | 08/24/1982 |
| 4188664 | I/O Terminal identification Control of the data format programmed into an interface means by a computer means is provided in response to the data format required by an I/O device. A register in the interface means is programmed to respond to only a first digital address from the com... | 02/12/1980 |
| 4079452 | Programmable controller with modular firmware for communication control A programmable controller module (PCM) for operably coupling a plurality of peripheral devices (PDs) of various communication disciplines to a data processor (DP) or to remote PCMs through a serial interface adapter (SIA) or parallel interface adapter (PI... | 03/14/1978 |
