Author: claimsbot

1. An apparatus, comprising:
a wireless broadband modem interface for communicating with a wireless network;
a wired wide area network interface; and
a processor configured to aggregate bandwidth from the wireless broadband modem interface and the wired wide area network interface.
2. The apparatus of claim 1, wherein the wireless broadband modem interface is capable of being operably coupled to a mobile broadband card or a handheld device including a wireless broadband modem.
3. The apparatus of claim 1, wherein the wireless broadband modem interface is selected from the group consisting of a compact flash (CF), a secure digital input output (SDIO), a Universal Serial Bus (USB), and a peripheral component interconnect (PCMCIA) interface.
4. The apparatus of claim 1, wherein the wireless network is selected from the group consisting of a radio access network (RAN), CDMA, GSM, TDMA, WiMax, 3G, and 4G.
5. The apparatus of claim 1, wherein the processor is further configured to allocate the aggregated bandwidth to at least one device.
6. The apparatus of claim 1, further comprising a transceiver for transmitting and receiving data from the wireless network.
7. The apparatus of claim 1, further comprising a transceiver for transmitting and receiving data from a device selected from the group consisting of a computer, a laptop, a PDA, a telephone, and a headset.
8. The apparatus of claim 1, wherein the apparatus supports the 802.11a, 802.11b, andor 802.11g wireless networking standards.
9. The apparatus of claim 1, wherein the apparatus supports one of WiFi, Bluetooth, and ultra wideband (UWB).
10. An apparatus, comprising:
means for providing access to a wireless network;
means for providing access to a wired wide area network;
means for aggregating bandwidth to access the wireless network and the wired wide area network; and
means for allocating aggregated bandwidth to at least one device.
11. The apparatus of claim 10, wherein the means for providing access to a wireless network is capable of being operably coupled to a mobile broadband card or a handheld device including a wireless broadband modem.
12. The apparatus of claim 10, wherein the wireless network is selected from the group consisting of a radio access network (RAN), CDMA, GSM, TDMA, WiMax, 3G, and 4G.
13. The apparatus of claim 10, wherein the at least one device is selected from the group consisting of a computer, a laptop, a PDA, a telephone, and a headset.
14. The apparatus of claim 10, further comprising means for transmitting and receiving data from the wireless network.
15. A method, comprising:
providing a bandwidth aggregation router including a wireless broadband modem interface and a wired wide area network interface;
operably coupling a wireless broadband modem to the router; and
aggregating bandwidth from the wireless broadband modem interface and the wired wide area network interface.
16. The method of claim 15, wherein the wireless broadband modem is part of a mobile broadband card or a handheld device.
17. The method of claim 15, further comprising transmitting and receiving data from a wireless network via the wireless broadband modem.
18. The method of claim 17, wherein the wireless network is selected from the group consisting of a radio access network (RAN), CDMA, GSM, TDMA, WiMax, 3G, and 4G.
19. The method of claim 15, further comprising transmitting and receiving data from a device selected from the group consisting of a computer, a laptop, a PDA, a telephone, and a headset.
20. The method of claim 15, further comprising allocating aggregated bandwidth to at least one device.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

We claim:

1. A touchscreen position sensor that comprising:
(a) a touch area having generally relatively low conductivity;
(b) a relatively high conducting border defining a perimeter on the touch area;
(c) a grid of intermediate conductivity defining cells of relatively low conductivity within the high conducting perimeter of the touch area
(d) a set of electrodes attached to the high conductivity perimeter and connected to an electrical power source;
(e) an electric circuit that measures the potential of a selected point on the touch area when brought in proximity thereto;
(f) a controller that sequentially switches electrical power from the power source to a first group of the electrodes thereby establishing a first electrical potential distribution on the touch area, and then to a second group of said electrodes thereby establishing a second electrical potential distribution on the touch area; and
(g) a controller that processes sets of potential measurements of said first and second electrical potential distributions from the electric circuit to determine the location of the selected point.
2. The sensor of claim 1 wherein the conductivity of the cells and the touch area are not uniform.
3. The sensor of claim 1 wherein the touch area is generally rectangular and an electrode is located near each corner of said area.
4. The sensor of claim 1 wherein the controller may select subsets of the first group of electrodes to poll a subset of the cells.
5. The sensor of claim 1 wherein polling of subsets of cells permits the determination of more than one pint of simultaneous contact with the touch area.
6. The sensor of claim 1 wherein the line width of the relatively high conducting border is greater than and the line width of the grid of intermediate conductivity defining cells.
7. The sensor of claim 1 wherein the grid lines are transparent to light.
8. The sensor of claim 1 wherein the relatively high conductive border has a conductivity at least about ten times greater than the conductivity of the relatively lower conductive touch area and the grid of intermediate conductive material has a conductivity at least about four times greater than the relatively low conductivity touch area.
9. A touchscreen position sensor comprising:
(a) a touch area having generally relatively low conductivity;
(b) a relatively high conducting border defining a perimeter on the touch area;
(c) a grid of intermediate conductivity defining cells of relatively low conductivity within the high conducting perimeter of the touch area
(d) a set of electrodes attached to the high conductivity perimeter and connected to an electrical power source;
(e) an electric circuit that measures the current received by an electrode from a selected point on the conductive area when the point is touched;
(f) a controller that processes sets of current measurements from the electrodes to determine the location of the selected point.
10. The sensor of claim 9 wherein the conductivity of the electrically conductive area is not uniform.
11. The sensor of claim 9 wherein the line width of the high conducting material and the line width of the intermediate conducting material is not uniform.
12. The sensor of claim 9 wherein the relatively high conductive border has a conductivity at least about ten times greater than the conductivity of the relatively lower conductive touch area and the grid of intermediate conductive material has a conductivity at least about four times greater than the relatively low conductivity touch area.
13. The sensor of claim 1 or of clam 11 wherein the electrically conductive area is generally rectangular.
14. A method of determining the location of a selected point on a sensor apparatus having a relatively highly conductive border surrounding an area of relatively low conductivity featuring a grid having a conductivity intermediate the conductivity of the border and low conductivity area, defining cells on the low conductivity area, and an associated set of electrodes through which electrical current may be applied to establish electric potential distribution on the conductive area, an electrical circuit that measures the potential of points on the conductive area when brought in proximity thereto and a controller, comprising the steps of:
(a) introducing an electrical current to the border area through a first group of at least one electrode selected from said associated set of electrodes, and thereby establishing a first electric potential distribution within the border;
(b) bringing the electrical circuit in proximity with a selected point within the border and thereby measuring a first potential reading of said point;
(c) storing said first potential reading;
(d) introducing an electrical current of the border area through a second group of at least one electrode selected from said associated set of electrodes and wherein not all of said first and second groups of electrodes are identical, and thereby establishing a second electric potential distribution within the border;
(e) measuring the second potential reading of the selected point with the electrical circuit;
(f) processing said first and second potential readings to determine the location of the selected point.
15. The method of claim 14 wherein the first and second electric potential distributions are monotonic.
16. The method of claim 14 wherein the first electric potential distribution defines a first set of potential lines within the border and the second electric potential distribution defines a second set of potential lines within the border, and said first and second sets of potential lines substantially intersect.
17. The method of claim 14 wherein said first and second readings are uniquely mapped into spatial coordinates for the selected point.
18. The method of claim 14 wherein an algorithm is implemented in software run on a controller to interpolate the first and second readings.
19. A touch sensor having a touch area of generally low conductivity defined by a border of relatively high conductivity wherein the touch area is divided into cells by lines of intermediate conductivity.
20. The touch sensor of claim 19 wherein the lines of intermediate conductivity are at least about four times more conductive than the low conducting touch area.
21. The touch sensor of claim 19 wherein the border is at least about ten times as conductive as the low conductivity touch area.
22. The touch sensor of claim 19 wherein the border is about 500 times the conductivity of the low conductivity touch area and about 50 times the conductivity of the lines of intermediate conductivity.
23. The touch sensor of claim 19 wherein the conductivity of the border is at least about five times that of the lines of intermediate conductivity
24. The touch sensor of claim 19 wherein the lines are substantially transparent to light.
25. The touch sensor of claim 19 wherein the width of the lines is less than the width of the border.
26. The touch sensor of claims 19-25 wherein the conductivity of the low conductivity touch area is not uniform.
27. The touch sensor of claims 19-26 wherein the conductivity of the low conductivity touch area within a single cell is substantially uniform.
28. The touch sensor of claim 26 wherein the lines of intermediate conductivity are sufficiently close together that the low conductivity touch area within a single cell is substantially uniform.
29. The method of claim 4 wherein the controller sequentially switches electrical power from the power source to a first subset of the electrodes thereby establishing a first subset electrical potential subset distributor a first subset of cells as the touch area, and thereto a second subset of said electrodes thereby establishing a second subset of cells on the touch area, the controller processing the sets of potential measurements of said first and second subset electrical potential distributions to more precisely determine the location of the selected point within the cells of the intersection of the first and second subsets of cells.
30. The method of claim 4 wherein the locations of multiple points of simultaneous contact are determined by polling separate subsets of cells, each subset of cells being selected to contain only one point of contact.

1. A method for supplying fuel to a high pressure pump (1) in a fuel injection system of an internal combustion engine, wherein for delivery and for delivery quantity control, a delivery pump (3) is used which is driven by an electric motor and arranged in a low pressure circuit (2) and by means of which, depending on the motor rotation speed selected, a specific quantity of fuel is supplied to the high pressure pump (1), in which the fuel is first compressed and then supplied to a high pressure fuel accumulator (4), characterized in that the fuel pressure is regulated by a pressure regulation valve (5) arranged on a suction side of the high pressure pump (1), wherein with the pressure regulation valve (5) in a closed position, a supply of fuel to the high pressure pump (1) is still ensured for at least one of lubrication and cooling via the low pressure circuit (2) and the delivery pump (3).
2. The method as claimed in claim 1, characterized in that with the pressure regulation valve (5) in the closed position, the at least one of lubrication and cooling of the high pressure pump (1) is ensured via an opening pressure of the pressure regulation valve (5).
3. The method as claimed in claim 1, characterized in that a high pressure quantity is defined via a curve of the pressure regulation valve (5).
4. The method as claimed in claim 1, characterized in that leakages in a region of the pressure regulation valve (5) are compensated for by at least one of arranging a further pressure regulation valve on the high pressure fuel accumulator (4), use of a zero delivery choke, and corresponding control of injectors.
5. The method as claimed in claim 1, characterized in that, to improve the at least one of lubrication and cooling of the high pressure pump (1), a two-stage pressure regulation valve (5) is used.
6. The method as claimed in claim 1, characterized in that, to improve the at least one of lubrication and cooling of the high pressure pump (1), a choke (6) is used which is connected in parallel to a lubrication and cooling line (7).
7. The method as claimed in claim 1, characterized in that, for flow restriction, a choke (6) is used which is arranged in a lubrication and cooling line (7).
8. A fuel injection system of an internal combustion engine, with a high pressure pump (1) which delivers fuel at high pressure and supplies the fuel to a high pressure fuel accumulator (4), and with a delivery pump (3) driven by electric motor and arranged in a low pressure circuit (2) to supply fuel to the high pressure pump (1), wherein a delivery quantity can be regulated via the delivery pump (3), characterized in that a pressure regulation valve (5) is provided on a suction side of the high pressure pump (1) to regulate the fuel pressure, wherein when the pressure regulation valve (5) is in a closed position, a sufficient quantity of fuel for at least one of lubrication and cooling of the high pressure pump (1) is ensured via the low pressure circuit (2) and the delivery pump (3).
9. The fuel injection system as claimed in claim 8, characterized in that the pressure regulation valve (5) is constructed in two stages.
10. The fuel injection system as claimed in claim 8, characterized in that at least one choke (6) is at least one of arranged in a lubrication and cooling line (7) and connected in parallel thereto.
11. The fuel injection system as claimed in claim 8, characterized in that the fuel injection system is a common rail injection system.

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 connecting element for two service switching devices, which are arranged next to one another in a row and bear against one another with broad sides of said service switching devices, housings of each of said service switching devices are formed from two shell-like housing parts, the connecting element having an approximately cylindrical basic body having a first outer diameter and front sides, on each of said front sides two axially protruding first and second spreading arms which spring open radially are integrally formed, an outer diameter of said spreading arms is smaller than the first outer diameter of the basic body, and free ends of said spreading arms have radially protruding tabs on opposite surface lines, said tabs, in a fitted state, latch in behind recesses on the housings, which are to be connected to the connecting element, of the adjacent service switching devices, wherein one distancing piece is fitted at least to a first or second spreading arm such that a height of the distancing piece determines a minimum distance to which the first and second spreading arms can be pushed towards one another, wherein the free ends of the tabs are conically tapered.
2. The connecting element as claimed in claim 1, wherein one first and second distancing piece is fitted to one first and second spreading arm.
3. The connecting element as claimed in claim 2, wherein the first and second distancing pieces are laterally offset with respect to one another and have a same height, with a result that, when the first and second spreading arms are pressed together, the two distancing pieces slide past one another.
4. The connecting element as claimed in claim 3, wherein the first and second distancing pieces have a trapezoidal cross-sectional contour and are arranged in mirror-image fashion with respect to one another.
5. The connecting element as claimed in claim 1, wherein the distancing pieces consist of a same material as the spreading arms.
6. A connecting element as claimed in claim 1 which is manufactured using an injection-molding technique.
7. The connecting element as claimed in claim 6, wherein the connecting element is manufactured together with the spreading element in an injection-molding process.
8. A connecting element as claimed in claim 1 which is manufactured from plastic.
9. The connecting element as claimed in claim 1, wherein the spreading arms, in a fitted state, can be pushed towards one another at a free end using a special tool.
10. The connecting element as claimed in claim 1, wherein the front faces of the basic body are in a form of a truncated cone, cone angles being open towards one another.
11. The connecting element as claimed in claim 10, wherein a cone base diameter is larger than an outer diameter of a cylindrical outer surface and smaller than a first outer diameter of the cylindrical basic body.
12. The connecting element as claimed in claim 1, wherein tab faces opposite the front faces have a conical shape and a cone angle open in an opposite direction.
13. A connection for service switching devices, housings of each of said service switching devices are formed from two shell-like housing parts, having a connecting element as claimed in claim 1, each housing, starting from a partition line between the two housings, having a cylindrical, first depression having a first inner diameter, which corresponds to a cone base diameter of the connecting element, and, starting from a housing broad side, having a cylindrical, second depression having a second inner diameter, which corresponds to an outer diameter of a cylindrical basic body, said first and second depressions are connected to one another by a cylindrical through-hole, wherein the connecting element engages with tab faces behind recesses, which are produced at a transition between the first cylindrical depressions in the housing parts to be connected of the service switching devices and the cylindrical through-holes.
14. The connection as claimed in claim 13, wherein outer contours of radially protruding tabs of the connecting element, in an uninstalled state, rest on an outer surface having oval cross sections and, during fitting, rest on an outer surface having circular cross sections.
15. The connecting element as claimed in claim 1, wherein said service switching devices comprise line circuit breakers or residual-current circuit breakers.
16. A connecting element for two service switching devices, which are arranged next to one another in a row and bear against one another with broad sides of said service switching devices, housings of each of said service switching devices are formed from two shell-like housing parts, the connecting element having an approximately cylindrical basic body having a first outer diameter and front sides, on each of said front sides two axially protruding first and second spreading arms which spring open radially are integrally formed, an outer diameter of said spreading arms is smaller than the first outer diameter of the basic body, and free ends of said spreading arms have radially protruding tabs on opposite surface lines, said tabs, in a fitted state, latch in behind recesses on the housings, which are to be connected to the connecting element, of the adjacent service switching devices, wherein one distancing piece is fitted at least to a first or second spreading arm such that a height of the distancing piece determines a minimum distance to which the first and second spreading arms can be pushed towards one another, wherein the first and second distancing pieces are laterally offset with respect to one another and have a same height, with a result that, when the first and second spreading arms are pressed together, the two distancing pieces slide past one another.
17. A connection for service switching devices, housings of each of said service switching devices are formed from two shell-like housing parts, having a connecting element having an approximately cylindrical basic body having a first outer diameter and front sides, on each of said front sides two axially protruding first and second spreading arms which spring open radially are integrally formed, an outer diameter of said spreading arms is smaller than the first outer diameter of the basic body, and free ends of said spreading arms have radially protruding tabs on opposite surface lines, said tabs, in a fitted state, latch in behind recesses on the housings, which are to be connected to the connecting element, of the adjacent service switching devices, wherein one distancing piece is fitted at least to a first or second spreading arm such that a height of the distancing piece determines a minimum distance to which the first and second spreading arms can be pushed towards one another, each housing, starting from a partition line between the two housings, having a cylindrical, first depression having a first inner diameter, which corresponds to a cone base diameter of the connecting element, and, starting from a housing broad side, having a cylindrical, second depression having a second inner diameter, which corresponds to an outer diameter of a cylindrical basic body, said first and second depressions are connected to one another by a cylindrical through-hole, wherein the connecting element engages with tab faces behind recesses, which are produced at a transition between the first cylindrical depressions in the housing parts to be connected of the service switching devices and the cylindrical through-holes, wherein outer contours of radially protruding tabs of the connecting element, in an uninstalled state, rest on an outer surface having oval cross sections and, during fitting, rest on an outer surface having circular cross sections.