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 (PIA). The PCM is comprised of a special purpose...
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| creator | LARSON KENNETH NORMAN KNUEVEN JOHN BERNARD SCARBROUGH ALFRED DALE |
| description | 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 (PIA). The PCM is comprised of a special purpose computer having a program of subroutines arranged in memory modules which define and implement specific communication protocols (routines) for different communication disciplines. Each PD connected to a PCM by an SIA or PIA is assigned a channel code and is addressed by channel code. A discipline identification (DID) line is connected from each adapter channel to one of a predetermined number of terminals in the PCM. There is one terminal for each communication discipline for which there is stored in a memory module an appropriate protocol. Each channel has its DID line connected to the appropriate terminal according to the communication discipline of the PD connected to it. When a channel is addressed, its DID is activated. The PCM then scans the terminals to determine which is activated to ascertain the discipline of the device. |
| format | Patent |
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The PCM is comprised of a special purpose computer having a program of subroutines arranged in memory modules which define and implement specific communication protocols (routines) for different communication disciplines. Each PD connected to a PCM by an SIA or PIA is assigned a channel code and is addressed by channel code. A discipline identification (DID) line is connected from each adapter channel to one of a predetermined number of terminals in the PCM. There is one terminal for each communication discipline for which there is stored in a memory module an appropriate protocol. Each channel has its DID line connected to the appropriate terminal according to the communication discipline of the PD connected to it. When a channel is addressed, its DID is activated. 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The PCM then scans the terminals to determine which is activated to ascertain the discipline of the device.</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>ELECTRICITY</subject><subject>PHYSICS</subject><subject>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1978</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAPKMpPL0rMzU1MyklVSM7PKynKz8lJLVIozyzJUMjNTynNSSxSSMssyi1PLEpVSMsvAirKzS3Ny0xOLMnMz4Np4WFgTUvMKU7lhdLcDPJuriHOHrqpBfnxqcUFicmpeakl8aHBJgbmliamRo7GhFUAACE7NF4</recordid><startdate>19780314</startdate><enddate>19780314</enddate><creator>LARSON; KENNETH NORMAN</creator><creator>KNUEVEN; JOHN BERNARD</creator><creator>SCARBROUGH; ALFRED DALE</creator><scope>EVB</scope></search><sort><creationdate>19780314</creationdate><title>Programmable controller with modular firmware for communication control</title><author>LARSON; KENNETH NORMAN ; KNUEVEN; JOHN BERNARD ; SCARBROUGH; ALFRED DALE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4079452A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1978</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>ELECTRICITY</topic><topic>PHYSICS</topic><topic>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</topic><toplevel>online_resources</toplevel><creatorcontrib>LARSON; KENNETH NORMAN</creatorcontrib><creatorcontrib>KNUEVEN; JOHN BERNARD</creatorcontrib><creatorcontrib>SCARBROUGH; ALFRED DALE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LARSON; KENNETH NORMAN</au><au>KNUEVEN; JOHN BERNARD</au><au>SCARBROUGH; ALFRED DALE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Programmable controller with modular firmware for communication control</title><date>1978-03-14</date><risdate>1978</risdate><abstract>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 (PIA). The PCM is comprised of a special purpose computer having a program of subroutines arranged in memory modules which define and implement specific communication protocols (routines) for different communication disciplines. Each PD connected to a PCM by an SIA or PIA is assigned a channel code and is addressed by channel code. A discipline identification (DID) line is connected from each adapter channel to one of a predetermined number of terminals in the PCM. There is one terminal for each communication discipline for which there is stored in a memory module an appropriate protocol. Each channel has its DID line connected to the appropriate terminal according to the communication discipline of the PD connected to it. When a channel is addressed, its DID is activated. The PCM then scans the terminals to determine which is activated to ascertain the discipline of the device.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | Programmable controller with modular firmware for communication control |
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