ELECTRONIC EQUIPMENT AND REMOTE COMMANDER

PURPOSE:To alternately use a remote commander with a display section and a remote commander without a display section by using alternately one of communication terminals for an output terminal for display data and a detection terminal for input data in time division. CONSTITUTION:A level of an outpu...

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Bibliographic Details
Main Authors HOSOGAYA NORIBUMI, KATSUKI SHINJI, NAMIKATA YOSHIMICHI
Format Patent
LanguageEnglish
Published 07.04.1995
Edition6
Subjects
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Summary:PURPOSE:To alternately use a remote commander with a display section and a remote commander without a display section by using alternately one of communication terminals for an output terminal for display data and a detection terminal for input data in time division. CONSTITUTION:A level of an output port PD2 in a display controller 74 is inverted by using start of reception of a display data pulse for a trigger. The port PD2 corresponds to a port Pd of a system controller 11 in common to an input port PD1 and the state of the level of the port Pd indicates that an H level and an L level come at each port level read period due to the inverted level of the port PD2. Thus, when the detection level for the read period indicates repetition of H, L level alternately in the controller 11, a head phone remote commander 60 with display section is discriminated to be connected to the controller 11 and the repetition of the levels is discriminated not to be based on the input of limiter mode information. Thus, the controller 11 uses a same interface section for the remote commanders with/without display section with compatibility.
Bibliography:Application Number: JP19930258860