1. An electronic device having a rotatable display module comprising:
a first housing having a sunken part, wherein the sunken part includes an inner front wall and an inner side wall;
a second housing having a front panel and a side panel, rotatably disposed in the sunken part between a first position and a second position;
a display module disposed on the front panel;
an elastic device for returning the second housing from the second position to the first position;
a protrusion slidably disposed on the side panel of the second housing;
a guide track disposed on the inner side wall of the first housing, wherein the guide track includes a first fixer and a second fixer, and wherein when the second housing is rotated, the protrusion moves between the first fixer and the second fixer along the guide track;
a groove formed on the side panel of the second housing;
a slide having the protrusion and movably disposed in the groove;
an elastic spring device, one end of which is fixed to the second housing, and the other end of which is connected to the slide; and
an extending part vertically and internally disposed on the side panel, wherein the extending part has an aperture facing the front panel, and wherein the extending part is connected with the elastic spring device;
wherein when the protrusion is coupled to the first fixer, the second housing is located in the first position, and the display module faces a first direction, and wherein when the protrusion is coupled to the second fixer, the second housing is located in the second position, and the display module faces a second direction.
2. The electronic device according to claim 1, wherein the slide further comprises:
a body slidably imbedded in the groove and coupled with the protrusion; and
a stick, one end of which is connected to the body, and the other end of which penetrates into the aperture.
3. An electronic device having a rotatable display module comprising:
a first housing having a sunken part, wherein the sunken part includes an inner front wall and an inner side wall;
a second housing having a front panel and a side panel, rotatably disposed in the sunken part between a first position and a second position;
a display module disposed on the front panel;
an elastic device for returning the second housing from the second position to the first position;
a protrusion slidably disposed on the side panel of the second housing;
a guide track disposed on the inner side wall of the first housing, wherein the guide track includes a first fixer and a second fixer, and wherein when the second housing is rotated, the protrusion moves between the first fixer and the second fixer along the guide track, the guide track comprising:
an arc track partly adjacent to the inner front wall of the first housing and having an indentation toward the front of the inner front wall;
an slope track disposed in the indentation of the arc track and having an upper end and a lower end, wherein the upper end of the slope track is below an upper end of the arc track and inclined to the inner front wall, and wherein the upper end of the arc track defines the first fixer; and
a bar track located between the slope track and the arc track, wherein one end of the bar track is connected with the lower end of the slope track, and the other end of the bar track defines the second fixer;
wherein when the protrusion is coupled to the first fixer, the second housing is located in the first position, and the display module faces a first direction, and wherein when the protrusion is coupled to the second fixer, the second housing is located in the second position, and the display module faces a second direction.
4. The electronic device according to claim 3, wherein the bar track further comprises another second fixer, wherein the another second fixer is located between the bottom end of the slope track and the second fixer.
5. A pivot device for rotating a second housing in a sunken part, wherein the sunken part includes an inner front wall and an inner side wall, wherein the second housing includes a front panel and a side panel, wherein the pivot device further comprises:
an elastic device for returning the second housing from a second position to a first position;
a protrusion slidably disposed on the side panel; and
a guide track disposed on the inner side wall, wherein the guide track includes a first fixer and a second fixer, and wherein when the second housing is rotated, the protrusion moves between the first fixer and the second fixer along the guide track;
a groove formed on the side panel;
a slide having the protrusion and movably disposed in the groove;
an elastic spring device, one end of which is fixed to the second housing, and the other end of which is connected to the slide; and
an extending part vertically disposed on the side panel, wherein the extending part has an aperture facing the front panel, and wherein the extending part is connected with the elastic spring device;
wherein when the protrusion is coupled to the first fixer, the second housing is located in the first position, and the front panel faces a first direction, and wherein when the protrusion is coupled to the second fixer, the second housing is located in the second position, and the front panel faces a second direction.
6. The pivot device according to claim 5, wherein the slide further comprises:
a body inserted in the groove and wherein the body is coupled with the protrusion; and
a stick, one end of which is connected to the body and the other end of which penetrates into the aperture.
7. A pivot device for rotating a second housing in a sunken part, wherein the sunken part includes an inner front wall and an inner side wall, wherein the second housing includes a front panel and a side panel, wherein the guide track further comprises:
an elastic device for returning the second housing from a second position to a first position;
a protrusion slidably disposed on the side panel; and
a guide track disposed on the inner side wall, wherein the guide track includes a first fixer and a second fixer, and wherein when the second housing is rotated, the protrusion moves between the first fixer and the second fixer along the guide track; the guide track comprising:
an arc track partly adjacent to the inner front wall and having an indentation toward the front of the inner front wall;
an slope track disposed in the indentation of the arc track and having an upper end and a lower end, wherein the upper end of the slope track is below the upper end of the arc track and inclined to the inner front wall, and wherein the upper end of the arc track defines the first fixer; and
a bar track located between the slope track and the arc track, wherein one end of the bar track is connected with the lower end of the slope track, and the other end of the bar track defines the second fixer
wherein when the protrusion is coupled to the first fixer, the second housing is located in the first position, and the front panel faces a first direction, and wherein when the protrusion is coupled to the second fixer, the second housing is located in the second position, and the front panel faces a second direction.
8. An electronic device comprising:
a first housing having a sunken part, wherein the sunken part includes an inner front wall and an inner side wall;
a second housing having a front panel and a side panel, rotatably disposed in the sunken part between a first position and a second position;
an elastic device for returning the second housing from the second position to the first position;
a protrusion slidably disposed on the inner side wall of the first housing; and
a guide track disposed on the side panel of the second housing, wherein the guide track includes a first fixer and a second fixer, and wherein when the second housing is rotated, the protrusion moves between the first fixer and the second fixer along the guide track, the guide track comprising;
an arc track partly adjacent to the front panel of the second housing and having an indentation toward the front of the front panel;
an slope track disposed in the indentation of the arc track and having an upper end, wherein the upper end of the slope track is below an upper end of the arc track and inclined to the front panel, and wherein the upper end of the arc track defines the first fixer; and
a bar track located between the slope track and the arc track, wherein one end of the bar track is connected with the lower end of the slope track, and the other end of the bar track defines the second fixer;
wherein when the protrusion is coupled to the first fixer, the second housing is located in the first position, and wherein when the protrusion is coupled to the second fixer, the second housing is located in the second position.
9. The electronic device according to claim 1, wherein the elastic device is an axial elastic device, wherein the axial elastic device couples the side panel and the inner side wall for forming an axle of the second housing, wherein the axial elastic device provides a force for driving the second housing to rotate from the second position to the first position after the protrusion is decoupled to the second fixer.
10. The electronic device according to claim 1, wherein the second housing includes another side panel and the sunken part includes another inner side wall, and wherein the another side panel is rotatably coupled to the another inner side wall.
11. The electronic device according to claim 1, wherein the display module is a liquid crystal display module (LCM).
12. The electronic device according to claim 3, wherein the elastic device is an axial elastic device, wherein the axial elastic device couples the side panel and the inner side wall for forming an axle of the second housing, wherein the axial elastic device provides a force for driving the second housing to rotate from the second position to the first position after the protrusion is decoupled to the second fixer.
13. The electronic device according to claim 3, wherein the electronic device further comprises:
a groove formed on the side panel of the second housing;
a slide having the protrusion and movably disposed in the groove; and
an elastic spring device, one end of which is fixed to the second housing, and the other end of which is connected to the slide.
14. The electronic device according to claim 3, wherein the second housing includes another side panel and the sunken part includes another inner side wall, and wherein the another side panel is rotatably coupled to the another inner side wall.
15. The electronic device according to claim 3, wherein the display module is a liquid crystal display module (LCM).
16. The pivot device according to claim 5, wherein the elastic device is an axial elastic device, wherein the axial elastic device couples the side panel and the inner side wall for forming an axle for the second housing, wherein the axial elastic device provides a force for driving the second housing to rotate from the second position to the first position after the protrusion is decoupled to the second fixer.
17. The pivot device according to claim 5, wherein the front panel comprises a display module.
18. The pivot device according to claim 7, wherein the elastic device is an axial elastic device, wherein the axial elastic device couples the side panel and the inner side wall for forming an axle for the second housing, wherein the axial elastic device provides a force for driving the second housing to rotate from the second position to the first position after the protrusion is decoupled to the second fixer.
19. The pivot device according to claim 7, wherein the pivot device further comprises:
a groove formed on the side panel;
a slide having the protrusion and movably disposed in the groove; and
an elastic spring device, one end of which is fixed to the second housing, and the other end of which is connected to the slide.
20. The pivot device according to claim 7, wherein the front panel comprises a display module.
21. The electronic device according to claim 8, wherein the elastic device is an axial elastic device, wherein the axial elastic device couples the side panel and the inner side wall for forming an axle of the second housing, wherein the axial elastic device provides a force for driving the second housing to rotate from the second position to the first position after the protrusion is decoupled to the second fixer.
22. The electronic device according to claim 8, wherein the electronic device further comprises:
a groove formed on the inner side wall of the first housing;
a slide having the protrusion and movably disposed in the groove; and
an elastic spring device, one end of which is fixed to the first housing, and the other end of which is connected to the slide.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An interface system comprising:
a first end;
a second end in electrical communication with the first end;
a reverse current blocking circuit configured to block current from flowing from the second end to the first end, and
a discharge circuit for discharging the blocked current, the discharge circuit electrically connected between the first end and the second end.
2. The interface system of claim 1, wherein the reverse current blocking circuit includes a one-way diode disposed between the first end and the second end to block current from flowing from the second end to the first end while permitting current to flow from the first end to the second end.
3. The interface system of claim 1, wherein the reverse current blocking circuit includes a transistor disposed between the first end and the second end to block current from flowing from the second end to the first end while permitting current to flow from the first end to the second end.
4. The interface system of claim 1, wherein the discharge circuit includes a transistor that may be placed in an open state or a closed state, wherein when the transistor is in the open state, the discharge circuit does not discharge electrical energy, wherein when the transistor is in the closed state, the discharge circuit discharges electrical energy.
5. The interface system of claim 4, further including a heat sink, wherein the discharge circuit further includes a resistor in electrical communication with the transistor, wherein the resistor and the transistor are in thermal communication with the heat sink.
6. The interface system of claim 1, wherein the first end includes a electrical connector having a first contact and a second contact, wherein the reverse current blocking circuit prevents current from flowing from the second end to the first contact.
7. The interface system of claim 6, wherein the electrical connector includes a shorting system having an open condition that disconnects the first contact from the second contact and a closed condition that electrically connect the first contact with the second contact so that current is allowed to flow from the first contact to the second contact through the shorting system.
8. The interface system of claim 6, wherein the second end includes a second electrical connector having the first contact and the second contact, wherein the discharge circuit is disposed to electrically connect the first contact of the second electrical connector with the second contact of the second electrical connector.
9. The interface system of claim 1, wherein the interface system includes an indicator for indicating that the discharge circuit is discharging the blocked current.
10. The interface system of claim 9, wherein the indicator includes a light emitting diode.
11. The interface system of claim 1, wherein the second end is electrically connected to an electrical device.
12. An electrical system comprising:
an electrical bus;
a power source providing current to the electrical bus;
an electrical device; and
an interface system connecting the electrical device with the electrical bus, the interface system including;
a reverse current blocking circuit configured to prevent current from flowing from the electrical device to the electrical bus when the power source is disconnected from the electrical bus, and
a discharge circuit for discharging electrical power stored within the electrical device when the power source is disconnected from the electrical bus.
13. The electrical system of claim 12, wherein the reverse current blocking circuit includes a one-way diode such that current is permitted to flow from the electrical bus to the electrical device when the electrical bus is connected to the power source, and current is prevented from flowing from the electrical device to the electrical bus when the electrical bus is disconnected from the power source.
14. The electrical system of claim 12, wherein the reverse current blocking circuit includes a transistor such that current is permitted to flow from the electrical bus to the electrical device when the electrical bus is connected to the power source and current is prevented from flowing from the electrical device to the electrical bus when the electrical bus is disconnected from the power source.
15. The electrical system of claim 12, wherein the discharge circuit includes a resistor and a transistor that may be placed in an open state or a closed state, wherein when the transistor is in the open state, current is prevented from flowing across the resistor, wherein when the transistor is in the closed state, current flowing from the electrical device is permitted to pass across the resistor.
16. The electrical system of claim 15, wherein interface system includes a heat sink, wherein the resistor and the transistor are in thermal communication with the heat sink.
17. The electrical system of claim 12, wherein the interface system includes an electrical connector that facilitates connecting the electrical device to the electrical bus, the electrical connector including a first contact and a second contact and a shorting system having an open condition that disconnects the first contact from the second contact and a closed condition in which current is allowed to flow from the first contact to the second contact through the shorting system, wherein when the electrical connector is in electrical communication with the power source, the shorting system is in the open condition and when the electrical connector is disconnected from the electrical bus, the shorting system is in the closed condition.
18. The electrical system of claim 12, wherein the interface system includes an indicator for indicating that the discharge circuit is discharging electrical power.
19. The electrical system of claim 12, further comprising a switch, wherein the electrical bus includes a positive line and a negative line, the switch having a first mode in which the switch places the electrical bus in electrical communication with the power source and a second mode in which the switch electrically connects the positive line with the negative line.
20. The electrical system of claim 19, further comprising a resistor disposed between the positive line and the negative line, such that when the switch is in the second mode, current is permitted to pass over the resistor between the positive line and the negative line.