All The Claims

1. A lithium secondary battery comprising
a positive electrode including a high-voltage positive active material; and
a separator, wherein the separator comprises a substrate of polyethylene, polypropylene, polyvinylidene fluoride, or a multilayer thereof,
wherein the high-voltage positive active material has a discharge plateau voltage of about 4.6V to about 5.3V with respect to a Li counter electrode and the high-voltage positive active material is selected from at least one olivine-based lithium metal phosphate and a compound represented by Chemical Formula 1:
Li1+xNiyMn2-y-zMzO4+w\u2003\u2003Chemical Formula 1
wherein,
0\u2266x<0.2, 0.4\u2266y\u22660.6, 0\u2266z\u22660.2, 0\u2266w\u22660.1, and

M is selected from the group consisting of Al, Ti, Mg, Zn, and combinations thereof, and
the separator comprises a porous substrate having porosity of about 40% to about 60%; and a coating layer on at least one side of the porous substrate, wherein the coating layer comprises a polymer and a metal filler.
2. The lithium secondary battery of claim 1, wherein the metal filler comprises a component selected from the group consisting of metal oxide, metal hydroxide, metal phosphate, metal nitrate, metal carbonate, metal sulfate, metal alkoxide, metal oxide having a perovskite structure, ceramics, and combinations thereof.
3. The lithium secondary battery of claim 2, wherein the metal filler is MgCO3, BaCO3, Li2CO3, Al(OH)3.H2O, Al2(SO4)3, MgSO4, Al(OC2H5)3, YPO4, (ZrO)2P2O7, ZrP2O7, Al(NO3)3, a mixture of Al2(SO4)3 and Al(OC2H5)3, LiAlO2, LiAl5O8, Li5AlO4, MgO, MgAl2O4, BaTiO3, CoAl2O4, Li2SiO4, Li2B4O7, Li2MoO3, Al(OH)3, AlPO4, Mg(OH)2, a mixture of Al2O3 and AlPO4, Li2ZrO3, a mixture of Al2O3 and Al(OH)3, AM1O3 (A=Ca, Ba, Sr, Pb, and the like, M1 =Ti, Zr, Sn, Hf, and the like) or Al2O3.
4. The lithium secondary battery of claim 3, wherein the metal filler is Al2O3.
5. The lithium secondary battery of claim 4, wherein the porous substrate comprises polyethylene.
6. The lithium secondary battery of claim 1, wherein the polymer comprises a component selected from the group consisting of polyvinylidenefluoride (PVdF), poly(vinylidene-hexafluoropropylene) co-polymer (P(VdF-HFP)), polyethyleneoxide (PEO), polyacrylonitrile (PAN), polyimide (PI), polyamic acid (PAA), polyamideimide (PAI), and aramid.
7. The lithium secondary battery of claim 6, wherein the polymer is poly(vinylidene-hexafluoropropylene) co-polymer (P(VdF-HFP)).
8. The lithium secondary battery of claim 1, wherein the coating layer comprises about 5 wt % to about 80 wt % of a metal filler based on 100 wt % of the coating layer.
9. The lithium secondary battery of claim 1, wherein the coating layer has a thickness of about 0.05 \u03bcm to about 5 \u03bcm.
10. The lithium secondary battery of claim 1, wherein the separator has an entire thickness of about 5 \u03bcm to about 30 \u03bcm.
11. The lithium secondary battery of claim 1, wherein the lithium secondary battery further comprises a negative electrode including a negative active material selected from natural graphite, artificial graphite, soft carbon, hard carbon, a mesophase pitch carbonized product, fired coke, silicon oxide, or silicon oxide coated with conductive carbon, and combinations thereof.
12. The lithium secondary battery of claim 1, wherein the separator comprises a substrate of at least one kind of polyolefin-based monolayer or multilayer;
the lithium secondary battery further comprises a non-aqueous electrolyte; and
the non-aqueous electrolyte comprises a supporting electrolytic salt.
13. The lithium secondary battery of claim 12, wherein the supporting electrolytic salt in the non-aqueous electrolyte has a concentration of about 0.5 M to about 2 M.
14. The lithium secondary battery of claim 12, wherein the supporting electrolytic salt is LiPF6.
15. The lithium secondary battery of claim 12, wherein the non-aqueous electrolyte is a mixture of ethyl carbonate, ethylmethyl carbonate and dimethyl carbonate.
16. The lithium secondary battery of claim 1, wherein the high-voltage positive active material is LiNi0.5Mn1.5O4.

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 mixed positive electrode active material comprising a lithium manganese oxide represented by following Chemical Formula 1 and a second positive electrode active material represented by following Chemical Formula 2:
aLi2MnO3.(1\u2212a)LixMO2\u2003\u2003Chemical Formula 1

in Chemical Formula 1, 0<a<1, 0.9\u2266x\u22661.2, and M is at least one element selected from the group consisting of Al, Mg, Mn, Ni, Co, Cr, V and Fe,
Li4-xMn5-2x-yCo3xMyO12\u2003\u2003Chemical Formula 2
in Chemical Formula 2, 0<x<1.5, 0\u2266y<0.5, and M is at least one of transition metal elements.
2. The mixed positive electrode active material of claim 1, comprising the lithium manganese oxide represented by following Chemical Formula 1 and the second positive electrode active material represented by following Chemical Formula 2:
aLi2MnO3.(1\u2212a)LixMO2\u2003\u2003Chemical Formula 1

in Chemical Formula 1, 0<a<1, and M is at least one element selected from the group consisting of Al, Mg, Mn, Ni, Co, Cr, V and Fe,
Li4-xMn5-2x-yCo3xMyO12\u2003\u2003Chemical Formula 2
in Chemical Formula 2, 0.1\u2266x\u22660.5.
3. The mixed positive electrode active material of claim 1, wherein an amount of the second positive electrode active material is 10 to 30 parts by weight based on 100 parts by weight of a total amount of the mixed positive electrode active material.
4. The mixed positive electrode active material of claim 1, wherein the mixed positive electrode active material further comprises a conductive material and a binder besides the lithium manganese oxide and the second positive electrode active material.
5. The mixed positive electrode active material of claim 4, wherein the conductive material is graphite or conductive carbon.
6. The mixed positive electrode active material of claim 4, wherein an amount of the conductive material is 0.5 to 15 parts by weight based on 100 parts by weight of a total amount of the mixed positive electrode active material.
7. The mixed positive electrode active material of claim 5, wherein the conductive carbon comprises a carbon black selected from the group consisting of carbon black, acetylene black, ketjen black, channel black, furnace black, lamp black, and thermal black; a material having a crystalline structure of graphene or graphite; and mixture thereof.
8. The mixed positive electrode active material of claim 1, further comprising at least one lithium-containing metal oxide selected from the group consisting of lithium cobalt oxides, lithium nickel oxides, lithium manganese oxides, lithium cobalt-nickel oxides, lithium cobalt-manganese oxides, lithium manganese-nickel oxides, lithium cobalt-nickel-manganese oxides, and substituted or doped oxides thereof by other element(s).
9. The mixed positive electrode active material of claim 8, wherein the other element is at least one selected from the group consisting of Al, Mg, Ni, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W and Bi.
10. The mixed positive electrode active material of claim 8, wherein the lithium-containing metal oxide is comprised by 50 parts by weight or less based on 100 parts by weight of the mixed positive electrode active material.
11. A positive electrode comprising the mixed positive electrode active material according to claim 1.
12. A lithium secondary battery comprising the positive electrode of claim 11.
13. The lithium secondary battery of claim 12, wherein an output in an SOC section of 10 to 40% is 20% or over when compared with an output in an SOC section of 50%.
14. The lithium secondary battery of claim 12, wherein the lithium secondary battery is used in a plug-in hybrid electric vehicle (PHEV).
15. The lithium secondary battery of claim 12, wherein the lithium secondary battery is used in an electric vehicle (EV).

1. A method in a mobile station, the method comprising:
receiving, at the mobile station, an assignment of a random access preamble from a first cell for use in at least one potential reestablishment cell;
determining that a radio link failure has occurred after receiving the assignment of the random access preamble; and
transmitting the random access preamble to one of the at least one potential reestablishment cells in response to determining that the radio link failure has occurred.
2. The method according to claim 1, further comprising sending a measurement report to the first cell, the measurement report indicating the presence of a second cell,
wherein receiving comprises receiving, at the mobile station after sending the measurement report, the assignment of the random access preamble from the first cell for use in the at least one potential reestablishment cell.
3. The method according to claim 2, wherein the measurement report indicates the presence of a home cell.
4. The method according to claim 1, further comprising:
receiving a gap assignment for system information acquisition prior to determining that radio link failure has occurred; and
acquiring system information for the at least one potential reestablishment cell by using the gap assignment.
5. The method according to claim 1, wherein receiving the assignment of the random access preamble from the first cell for use in the at least one potential reestablishment cell includes receiving an assignment of a cell radio network temporary identifier.
6. The method according to claim 5, further comprising:
receiving a random access response message in response to transmitting the random access preamble; and
receiving a message to configure a connection to the one of the at least one potential reestablishment cells, without a request from the mobile station to configure the connection.
7. The method according to claim 1, wherein receiving the assignment of the random access preamble from the first cell for use in at least one potential reestablishment cell includes receiving an assignment of an assigned random access response radio network temporary identifier.
8. The method according to claim 7 further comprising receiving a random access response message in response to transmitting the random access preamble to one of the at least one potential reestablishment cells, the random access response message including the assigned random access response radio network temporary identifier.
9. The method according to claim 1, wherein receiving the assignment of the random access preamble from the first cell for use in the at least one potential reestablishment cell includes receiving security configuration information for use in the at least one potential reestablishment cell.
10. The method according to claim 9 further comprising:
receiving a response to the random access preamble from one of the at least one potential reestablishment cells;
applying the security configuration; and
transmitting a message indicating completion of reestablishment after applying the security configuration.
11. A method in a target base station, the method comprising:
receiving a random access preamble from a mobile station; and
transmitting, from the target base station to the source base station, a request to forward packets associated with the mobile station transmitting the random access preamble.
12. The method according to claim 11, wherein the transmitting from the target base station to the source base station a request to forward packets, associated with the mobile station transmitting the random access preamble comprises:
receiving from a source base station an indication of assignment of the random access preamble to the mobile station; and
transmitting to the source base station a request to forward packets in response to receiving the random access preamble from the mobile station.
13. The method according to claim 12 further comprising:
determining a mobile station identifier that identifies the mobile station transmitting the random access preamble;
transmitting a response message addressed to the mobile station identifier; and
transmitting a message to configure a connection between the target base station and the mobile station without a request from the mobile station to configure the connection.
14. The method according to claim 13, wherein determining the mobile station identifier comprises receiving, from the source base station, the mobile station identifier that identifies the mobile station.
15. The method according to claim 12 further comprising:
determining an assigned random access response identifier that identifies the mobile station transmitting the random access preamble; and
transmitting a response message addressed to the assigned random access response identifier.
16. An apparatus comprising:
a wireless communication device housing;
a transceiver coupled to the wireless communication device housing, the transceiver configured to receive an assignment of a random access preamble from a first cell for use in at least one potential reestablishment cell;
a controller coupled to the transceiver, the controller configured to control operations of the apparatus and configured to process the assignment of the random access preamble; and
a radio link failure determination module coupled to the controller, the radio link failure determination module configured to determine that a radio link failure has occurred after the transceiver receives the assignment of the random access preamble,
wherein the controller is configured to transmit, via the transceiver, the random access preamble to one of the at least one potential reestablishment cells in response to determining that the radio link failure has occurred.
17. The apparatus according to claim 16,
wherein the controller is configured to send, via the transceiver, a measurement report to the first cell, the measurement report indicating the presence of a second cell, and
wherein the transceiver is configured to receive, after sending the measurement report, the assignment of the random access preamble from the first cell for use in the at least one potential reestablishment cell.
18. The apparatus according to claim 16, wherein the transceiver is configured to receive at least one of an assignment of a cell radio network temporary identifier and an assigned random access response radio network temporary identifier.
19. The apparatus according to claim 17, wherein the transceiver is configured to receive a random access response message in response to transmitting the random access preamble to the one of the at least one potential reestablishment cells, the random access response message including the assigned random access response radio network temporary identifier.
20. The apparatus according to claim 16,
wherein the transceiver is configured to receive security configuration information for use in the at least one potential reestablishment cell and is configured to receive a response to the random access preamble from the one of the at least one potential reestablishment cells, and
wherein the controller is configured to apply the security configuration and is configured to transmit, via the transceiver, a message indicating completion of reestablishment after applying the security configuration.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

What is claimed is:

1. An image sensor system, comprising:
an array of pixels, each of the pixels including:
a light sensitive element that generates a pixel signal indicative of an amount of light received by the corresponding pixel, and
a comparator for comparing the pixel signal to a reference signal and generating a strobe signal in response to the comparison;

a reference voltage generator for generating the reference signal, which is distributed to the array of pixels;
a global counter which generates a count across a shutter period;
an array of memory elements, each memory element storing a count from the counter in response to receiving the strobe signal of a corresponding pixel of the array of pixels.
2. An image sensor system as claimed in claim 1, wherein each of the pixels further includes a switch for charging a node of the light sensitive element.
3. An image sensor system as claimed in claim 2, wherein the light sensitive element comprises a photodiode that changes a voltage of the node in response to received light.
4. An image sensor system as claimed in claim 2, wherein the switch charges the node in response to a reset signal.
5. An image sensor system as claimed in claim 1, wherein the reference voltage generator comprises a digital to analog converter.
6. An image sensor system as claimed in claim 1, wherein the reference voltage generator ramps the reference signal during the shutter period.
7. An image sensor system as claimed in claim 1, wherein the reference voltage generator generates the reference signal with a linear ramp.
8. An image sensor system as claimed in claim 1, wherein the array of memory elements is located below the array of pixels on a chip of the sensor system.
9. An image sensor system as claimed in claim 1, wherein the strobe signals are transmitted from the array of pixels to the array of memory elements.
10. An image sensor system as claimed in claim 1, further comprising select signals for accessing the array of pixels.
11. An image sensor system as claimed in claim 10, wherein the strobe signals are transmitted from the array of pixels to the array of memory elements on shared lines.
12. An image sensor system as claimed in claim 1, wherein the array of pixels is separate from the array of memory elements.
13. A method of operation of an image sensor system, the method comprising:
detecting light with an array of pixels, each having a light sensitive element that generates a pixel signal indicative of an amount of light received by the corresponding pixel, while initiating and broadcasting a count;
comparing pixel signals to a reference signal;
generating strobe signals in response to the comparison of the pixel signals and the reference signal;
receiving the strobe signals at an array of memory elements; and
each memory element storing the count in response to receiving the strobe signal of a corresponding pixel of the array of pixels.
14. A method as claimed in claim 13, further comprising charging a node of the light sensitive element prior to the step of detecting the light.
15. A method as claimed in claim 14, further comprised decreasing a voltage of the node with a photodiode.
16. A method as claimed in claim 13, further comprising generating the reference signal with a digital to analog converter.
17. A method as claimed in claim 13, further comprising ramping the reference voltage during a shutter period.
18. A method as claimed in claim 13, further comprising transmitting the strobe signals from the array of pixels to the array of memory elements.