Method for updating a printer firmware
December 16, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesFirmware modification system wherein older version can be retrieved Method of performing self-diagnosing hardware, software and firmware at a client node in a client/server system Method and apparatus for providing updated firmware in a data processing system Field configurable embedded computer system Embedded non-volatile programming tool Mechanism for maintaining revisions of objects in flash memory Storage unit, storage medium and identification information recording method Method and apparatus for updating firmware Patent #: 6357021 InventorAssigneeApplicationNo. 464926 filed on 12/16/1999US Classes:717/168SOFTWARE UPGRADING OR UPDATINGExaminersPrimary: Morse, GregoryAssistant: Zhen, Wei Attorney, Agent or FirmInternational ClassG06F 009/44Foreign Application Priority Data1998-12-24 TWAbstractA method for updating a printer firmware is disclosed. The method achieves updating a printer firmware by use of downloading a printer firmware from the network or some media. More specifically, a Printer Job Language (PJL) Download Command of printer firmware is downloaded through an input port of the printer, such as serial port, parallel port or a network interface. The Printer Firmware Blocks of the printer firmware are then written into a nonvolatile memory of the printer, such as a Flash ROM to achieve in printer firmware updating.Other References
Field of SearchSOFTWARE UPGRADING OR UPDATINGIncluding distribution of software (e.g., push-down, pull-down) Including downloading Including distribution of software Including multiple files Including multiple files Plural version management Network SOFTWARE INSTALLATION Network Including downloading DATA PROCESSING PROTECTION USING CRYPTOGRAPHY Computer instruction/address encryption Upgrade/install encryption Having separate add-on board By stored data protection Tamper resistant MISCELLANEOUS REMOTE DATA ACCESSING Using interconnected networks Accessing a remote server | |
