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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Main Authors | , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
13.02.2013
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Subjects | |
Online Access | Get full text |
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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 |
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Bibliography: | Application Number: CN20122264905U |