Rotation controlling apparatus and electronic apparatus

A rotation controlling apparatus for controlling a rotation of a panel member, which is rotated with a predetermined shaft as a center of the rotation, comprising:

• a signal generating device for generating a position detection signal indicative of an angular position of said panel member around said shaft in response to a rotation of said panel member around said shaft;
• and
• a controller for controlling the rotation of said panel member in accordance with the position detection signal generated by said signal generating device, so as to stop the rotation of said panel member by using as a standard a generation timing of the position detection signal, which has a predetermined signal value based on a stop position signal value implying a value of the position detection signal indicative of a stop position at which the rotation of said panel member should be stopped,
• wherein
• (i) said signal generating device comprises:
• an annular resistor which is rotated in conjunction with the rotation of said panel member and to both end terminals of which a voltage corresponding to a predetermined constant voltage value is applied;
• and
• a slide contact which contacts with said resistor while rotating, and
• (ii) said signal generating device outputs, as a value of the position detection signal, a voltage value of a voltage generated between said slide contact and one of the end terminals of said resistor in conjunction with the rotation of said panel member.

A rotation controlling apparatus for controlling a rotation of a panel member, which is rotated with a predetermined shaft as a center of the rotation, comprising:

• a signal generating device for generating a position detection signal indicative of an angular position of said panel member around said shaft in response to a rotation of said panel member around said shaft;
• and
• a controller for controlling the rotation of said panel member in accordance with the position detection signal generated by said signal generating device, so as to stop the rotation of said panel member by using as a standard a generation timing of the position detection signal, which has a predetermined signal value based on a stop position signal value implying a value of the position detection signal indicative of a stop position at which the rotation of said panel member should be stopped,
• wherein the stop position is the angular position at which said panel member can be accommodated into an accommodation room portion by a straight movement of said shaft after said panel member stops.

An electric apparatus comprising

• (i) a panel member, which is rotated with a predetermined shaft as a center of the rotation,
• (ii) an accommodation room portion into which said panel member can be accommodated,
• (iii) a rotation controlling apparatus for controlling a rotation of the panel member comprising:
• a signal generating device for generating a position detection signal indicative of an angular position of said panel member around said shaft in response to a rotation of said panel member around said shaft;
• and
• a controller for controlling the rotation of said panel member in accordance with the position detection signal generated by said signal generating device, so as to stop the rotation of said panel member by using as a standard a generation timing of the position detection signal, which has a predetermined signal value based on a stop position signal value implying a value of the position detection signal indicative of a stop position at which the rotation of said panel member should be stopped,
• the stop position being the angular position at which said panel member can be accommodated into the accommodation room portion by a straight movement of said shaft after said panel member stops, and
• (iv) an accommodating device for accommodating said panel member and said rotation controlling apparatus in one body into said accommodation room portion,
• said accommodation room portion being installed in a dash board within a compartment of a vehicle.

A rotation controlling apparatus for controlling a rotation of a panel member, which is rotated with a predetermined shaft as a center of the rotation, comprising:

• a signal generating device for generating a position detection signal indicative of an angular position of said panel member around said shaft in response to a rotation of said panel member around said shaft;
• and
• a controller for controlling the rotation of said panel member in accordance with the position detection signal generated by said signal generating device, so as to stop the rotation of said panel member by using, as a standard, a generation timing of the position detection signal, which has an added signal value based on a stop position signal value implying a value of the position detection signal indicative of a stop position at which the rotation of said panel member should be stopped,
• wherein the added signal value, in which a generation error signal value implying a value of the position detection signal set in advance to compensate a generation error, which may be included in the position detection signal, is added to the stop position signal value.