Multimedia control device

A multimedia control device comprises a control host computer and a control panel. The control device is characterized in that: a control circuit of the control host computer is provided with a system starting switch, and an in-class end of the system starting switch is connected with a switch-on co...

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Bibliographic Details
Main Authors HU HANWEI, CAI MINGZHI, LI ZHULIN, E CHENGJIANG, WANG HONGLAI, WANG SHUANG, WU SHIHONG
Format Patent
LanguageChinese
English
Published 13.02.2013
Subjects
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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Summary:A multimedia control device comprises a control host computer and a control panel. The control device is characterized in that: a control circuit of the control host computer is provided with a system starting switch, and an in-class end of the system starting switch is connected with a switch-on control end of a system switch-on/switch-off screen control relay; an off-class end of the system starting switch is connected with a switch-off control end of a system switch-on/switch-off time-delay relay, wherein the switch-off control end is simultaneously connected with a motor and a projection control time-delay relay A which is in tandem connection with a projection control time-delay relay B, and the projection control time-delay relay B is in tandem connection with a projection control time-delay relay C a normally open contact of which is connected with a switch-off projection control relay; and a switch-on end of the system switch-on/switch-off screen control relay is connected with a projection control ti
Bibliography:Application Number: CN20122264905U