Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate
2005-10-11
2009-06-02
Dinh, Trinh V (Department: 2821)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
C315S300000, C315S302000, C315S307000
Reexamination Certificate
active
07541748
ABSTRACT:
Disclosed herein is a discharge lamp lighting device which realizes the minute control of the lighting sequence and electric power of a high-pressure discharge lamp and the control of various anti-error protecting functions by mounting a microcomputer. However, since microcomputer processing typically progresses in accordance with the programs previously recorded on a ROM, various actions of the discharge lamp are controlled in accordance with ROM-recorded data settings. To modify these settings, the contents of the ROM need to be updated. Therefore, a function for communicating with an external device is assigned to the microcomputer so that various data settings can be modified.
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Haruna Fumio
Kitou Kouji
Nakamura Tetsunosuke
Shimizu Masaru
Dinh Trinh V
Hitachi , Ltd.
Hitachi Media Electronics Co. Ltd.
Townsend and Townsend / and Crew LLP
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