1. A power window control system comprising a master control box and a driving mechanism to open and close window glass by means of an electric motor which can be controlled by a master controller installed in said master controller box,
wherein said master controller is provided in a driver’s seat side and connected to a slave controller which is provided in an other seat side than said driver’s seat side and which comprises a control circuit and relay circuitry to electrically switch on and off said motor, and
wherein a single wire to which a dual-mode signal and a null signal are applied by said master controller is used for a linkage between said master controller and said slave controller,
wherein said linkage works as an electrical wiring such that dual-mode signals and a null signal are applied to said single wire by a selective switching means installed in said master controller, and
wherein said selective switching means comprises two serially connected mechanical switches that are inserted between a battery terminal and a ground line and
wherein said single wire is electrically connected to a serially connected port disposed between and electrically connected to said two serially connected mechanical switches.
2. The power window control system of claim 1, wherein said driving mechanism operates to
open said window glass by a normal rotational direction of said motor and
close said window glass by a reverse rotational direction of said motor and
neither opens nor closes said window glass while said motor is not rotating.
3. The power window control system of claim 1, wherein said selective switching means comprises a single-channel, two-port switch,
wherein the central port of said two-port switch is the serially connected port that is connected with said single wire,
and two switching ports are connected to said battery terminal and said ground line.
4. The power window control system of claim 1, wherein said control circuit comprises a two-stage Darlington circuit.
5. The power window control system of claim 1,
wherein said dual-mode signals and said null signal generated by said selective switching means such that a driving current defined as one of said dual-mode signals is generated by said selective switching means connected to said battery terminal,
wherein a sink current defined as one of said dual-mode signals is generated by said selective switching means connecting to said ground line and
wherein, when no current flow, which is defined as a null signal, is set by said selective switching means connecting to neither said battery terminal nor said ground line.
6. The control circuit of claim 5,
wherein said driving current activates a half group of transistors partly composing said complementary circuit,
wherein said sink current activates the other half group of transistors partly composing said complementary circuit and
wherein no flow of current inactivates both said half groups of transistors.
7. A power window control system comprising a master control box and a driving mechanism to open and close window glass by means of an electric motor which can be controlled by a master controller installed in said master controller box,
wherein said master controller is provided in a driver’s seat side and connected to a slave controller which is provided in an other seat side than said driver’s seat side and which comprises a control circuit and relay circuitry to electrically switch on and off said motor, and
wherein a single wire to which a dual-mode signal and a null signal are applied by said master controller is used for a linkage between said master controller and said slave controller, and
wherein said control circuit is a complementary circuit comprising two power ports connected to said battery and said ground, an input port connected to said single wire, and two drive ports which control said relay circuitry in response to signals applied to said single wire.
8. The power window control system of claim 4, wherein said relay circuitry includes two relays which are connected to said two drive ports.
9. The control circuit of claim 7,
wherein said complementary circuit comprises bipolar transistors.
10. The control circuit of claim 7,
wherein said complementary circuit comprises power MOS transistors and said dual-mode signals, and
said null signal generated by said selective switching means such that a driving voltage defined as one of said dual-mode signals is generated by said selective switching means connecting to said battery terminal,
wherein a sink voltage defined as one of said dual-mode signals is generated by said selective switching means connecting to said ground line, and
no application of voltage defined as null signal is set by said selective switching means connecting to neither said battery terminal nor said ground line.
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. A protective case for a mobile electronic communication device having a user input interface, the protective case comprising:
a rear cover;
a front cover configured to couple with the rear cover, the front cover and the rear cover defining a volume for receiving the mobile electronic communication device when the front cover is coupled to the rear cover, the front cover having an aperture aligned with the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume;
a transparent membrane provided between the front cover and the rear cover to be disposed over the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover; and
a compressible member made of a material separate from the transparent membrane and arranged between the front cover and the membrane and separate from the front cover, the compressible member configured to provide a seal between the transparent membrane and the front cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover.
2. The protective case of claim 1, wherein the compressible member is attached to the transparent membrane.
3. The protective case of claim 1, wherein the transparent membrane is not attached to the front cover.
4. The protective case of claim 1, wherein the transparent membrane and the compressible member are removable from the front cover and the rear cover.
5. The protective case of claim 1, wherein the compressible member is arranged to seal against a first rear surface of the top cover around the aperture of the top cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover.
6. The protective case of claim 5,
wherein the rear cover has a peripheral wall having a top surface facing the front cover when the front cover is coupled to the rear cover;
wherein the rear cover includes a rib extending upward from the top surface of the peripheral wall and around at least a portion of the volume; and
wherein the rib is arranged to seal against a second rear surface of the top cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover.
7. The protective case of claim 6, wherein the second rear surface is arranged further from the top surface of the front cover than the first rear surface.
8. The protective case of claim 6, wherein the first rear surface is arranged closer to a center point of the protective case than the second rear surface.
9. The protective case of claim 1,
wherein the rear cover has a peripheral wall having a top surface facing the front cover when the front cover is coupled to the rear cover;
wherein the rear cover includes a rib extending upward from the top surface of the peripheral wall and around at least a portion of the volume; and
wherein the rib is arranged to seal against a rear surface of the top cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover.
10. The protective case of claim 1, wherein the protective case is configured to provide a first seal between the compressive member and a first surface of the front cover and a second seal between a rib portion of a peripheral wall of the rear cover and a second surface of the front cover.
11. The protective case of claim 10, wherein the second seal is arranged further from the top surface of the front cover than the first seal.
12. The protective case of claim 10, wherein the first seal is arranged closer to a center point of the protective case than the second seal.
13. The protective case of claim 1, further comprising:
at least one coupling member for coupling the front cover to the rear cover.
14. The protective case of claim 13, wherein the at least one coupling member is configured to force the front cover against the compressible member to enhance the seal between the transparent membrane and the front cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover.
15. The protective case of claim 1, wherein the compressible member is adhered to the transparent membrane with an adhesive.
16. The protective case of claim 1, wherein the compressible member comprises a foam material.
17. The protective case of claim 1, wherein the compressible member comprises a urethane material.
18. The protective case of claim 1, wherein the compressible member defines an aperture aligned with the aperture of the front cover and the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover.
19. The protective case of claim 1, wherein at least a portion of the transparent membrane is configured to be received on at least a portion of the rear cover.
20. A protective case for a mobile electronic communication device having a user input interface, the protective case comprising:
a rear cover;
a front cover configured to couple with the rear cover, the front cover and the rear cover defining a volume for receiving the mobile electronic communication device when the front cover is coupled to the rear cover, the front cover having an aperture aligned with the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume;
a transparent membrane provided between the front cover and the rear cover to be disposed over the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover; and
a compressible member arranged between the front cover and the membrane and separate from the front cover, the compressible member configured to provide a seal between the transparent membrane and the front cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover;
wherein the transparent membrane comprises a body portion and at least one tab portion extending from the body portion; and
wherein the at least one tab portion is configured to extend over at least a portion of a peripheral wall of the rear cover.
21. The protective case of claim 20, wherein the at least one tab portion is received into a recess provided in the peripheral wall of the rear cover.
22. The protective case of claim 1,
wherein the transparent membrane comprises a body portion and at least one tab portion extending from the body portion; and
wherein the at least one tab portion is configured to extend beyond a periphery of the mobile electronic communication device when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover.
23. A protective case for a mobile electronic communication device having a user input interface, the protective case comprising:
a rear cover;
a front cover configured to couple with the rear cover, the front cover and the rear cover defining a volume for receiving the mobile electronic communication device when the front cover is coupled to the rear cover, the front cover having an aperture aligned with the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume;
a transparent membrane provided between the front cover and the rear cover to be disposed over the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover; and
a compressible member arranged between the front cover and the membrane and separate from the front cover, the compressible member configured to provide a seal between the transparent membrane and the front cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover;
wherein the transparent membrane comprises a body and at least one tab portion extending from the body portion, the transparent membrane including an opening through each of the least one tab portion;
wherein the rear cover includes at least one opening, each opening at a position to align with a corresponding one of the at least one opening of the transparent membrane when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover; and
wherein the front cover includes at least one protrusion at one or more positions to extend through a corresponding one of the at least one opening of the transparent membrane and into a corresponding one of the at least one opening of the rear cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover.
24. The protective case of claim 23, wherein the at least one opening of the rear cover is provided in a peripheral wall of the rear cover.
25. A protective case for a mobile electronic communication device having a user input interface, the protective case comprising:
a rear cover;
a front cover configured to couple with the rear cover, the front cover and the rear cover defining a volume for receiving the mobile electronic communication device when the front cover is coupled to the rear cover, the front cover having an aperture aligned with the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume;
a transparent membrane provided between the front cover and the rear cover to be disposed over the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover; and
a compressible member arranged between the front cover and the membrane and separate from the front cover, the compressible member configured to provide a seal between the transparent membrane and the front cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover;
wherein the transparent membrane includes at least one opening through the transparent membrane;
wherein the rear cover includes at least one opening, each at a position to align with a corresponding one the at least one opening of the transparent membrane when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover; and
wherein the front cover includes at least one protrusion at one or more positions to extend through a corresponding one of the at least one opening of the transparent membrane and into a corresponding one of the at least one opening of the rear cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover.
26. The protective case of claim 1, wherein the mobile electronic communication device is a separate unit from the protective case.
27. The protective case of claim 1, wherein the user input interface of the mobile electronic communication device is a touchscreen display.
28. A method of manufacturing a protective case for a mobile electronic communication device having a user input interface, the method comprising:
providing a rear cover;
configuring a front cover configured to couple with the rear cover, the front cover and the rear cover defining a volume for receiving the mobile electronic communication device when the front cover is coupled to the rear cover, the front cover having an aperture aligned with the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume;
providing a transparent membrane provided between the front cover and the rear cover to be disposed over the user input interface of the mobile electronic communication device when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover; and
arranging a compressible member made of a material separate from the transparent membrane between the front cover and the membrane and separate from the front cover, the compressible member configured to provide a seal between the transparent membrane and the front cover when the mobile electronic communication device is received in the volume and the front cover is coupled to the rear cover.
29. The protective case of claim 1, wherein the compressible member has a top surface that engages and seals against a surface of the front cover, and wherein the compressible member has a rear surface that engages the transparent membrane.