Architecture for network printing systems
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United States of America Patent
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May 19, 1998
Issued Date -
N/A
app pub date -
Sep 9, 1996
filing date -
Jun 6, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An architecture for a network printing system is provided that allows the network printer to achieve and enhance two-way communication between the host computers and the printer connected to the network. The architecture layers provide a normalized interface to the layers below so that all of the protocol/ports interact in the same way. More particularly, an imaging device protocol (IDP) and an IDP emulator enable various network service protocol/ports, both IDP and non-IDP ports, to communicate with the network printer by 'seamless plug and play' connectivity. Furthermore, this architecture allows host computers to request network printer services through a client service connection protocol (CSCP) and IDP when these protocols are supported and emulates CSCP/IDP interactions when the network services do not support the CSCP/IDP protocols so that print job requests may be executed from the same print queue. This architecture also may be easily extended and integrated with new protocol/ports as they are developed and introduced.
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