`
`PTO/SB/16 (8-00}
`
`A If ;2--0() .
`tJ 3 - oJ~ O I
`Approved for use through10131/2002. OMS 0651-! ==
`~ _._ c..i
`'"'°
`r.,_. =
`iiiiiii!!
`U.S. Patent and Trademark Office; U.S. DEPARTMENT OF COMME E
`c:>
`0
`c....>
`%nder the Paperwork Reduction Act of 1995, no persons are required to respond to a collection of information unless It displays a valid OMB control nu
`C'\J =~
`tPi
`............... -
`0
`~ c:
`uic::> -
`.<"""> ___ ,
`•
`....._
`::>I:"- -8
`.
`c::>~ l'll
`'
`===M - o ==
`~
`~~ ~
`CJ
`I"')
`
`PROVISIONAL APPLICATION FOR PATENT COVER SHEET
`This is a request for filing a PROVISIONAL APPLICATION FOR PATENT under37CFR1 53(c)
`
`r ' I
`
`"d
`~
`0
`Given Name (first and middle [if any])
`Daniel M.
`
`INVENTOR($)
`
`Family Name or Surname
`Fischer
`
`Residence
`(City and either State or Foreian Countrv)
`303-276 Eiwo Ct.
`Waterloo, Ontario, CANADA N2K 3M6
`
`fj Additional inventors are being named on the
`TITLE OF THE INVENTION (280 characters max)
`SYSTEM AND METHOD FOR ADAPTING A USB TO PROVIDE
`POWER FOR CHARGING A MOBILE DEVICE
`
`separately numbered sheets attached hereto
`
`Direct all correspondence to:
`
`D Customer Number I
`
`CORRESPONDENCE ADDRESS
`I
`
`..
`
`Place Customer Number
`Bar Code Label here
`
`Type Customer Number here
`
`OR
`(] Firm or
`
`Individual Name
`
`Address
`
`Address
`City
`Country
`
`David B. Cochran, Esq.
`Jones, Day, Reavis & Pogue
`North Point, 901 Lakeside Avenue
`I ZIP I 44114
`I OH
`I State
`Cleveland
`us
`ITeleohone 1216/586-39391 Fax 1216/579-0212
`ENCLOSED APPLICATION PARTS (check all that antJM
`[X]
`I l6
`I 0~~
`I G Assignment
`Specification Number of Pages
`4ppendixjA - 33 pgs.
`-.,
`CX1 Drawing(s) Number of Sheets
`6
`I
`Power of Attorney f r
`D Application Data Sheet. See 37 CFR 1.76
`rrovisiona.L i:1pp.Ln. z pg .
`METHOD OF PAYMENT OF FILING FEES FOR THIS PROVISIONAL APPLICATION FOR PATENT
`D
`Applicant claims small entity status. See 37 CFR 1.27.
`A check or money order is enclosed to cover the filing fees
`GJ
`The Commissioner is hereby authorized to charge filing
`fees or credit any overpayment to Deposit Account Number:
`D
`Payment by credit card. Form PT0-2038 is attached.
`The invention was made by an agency of the United States Government or under a contract with an agency of the
`United States Government.
`CJ No.
`D Yes, the name of the U.S. Government agency and the Government contract number are:--------------------
`
`Other (specify)
`
`,
`
`l:"t:>~.
`
`I ")() 1 4~?
`
`I
`
`FILING FEE
`AMOUNT<$)
`
`$190.00
`
`SIGNATURE
`
`Respectfullysu~~ ~ Date I '110( It> J I
`E.
`n.<nd n R
`r.orh"l'";:in
`TYPED or PRINTED NAME -~~--------
`
`I
`•
`lsss2sso12u2
`TELEPHONE _..Vl.QL2J~~~L------
`LJSE ONLY FOR FILING A PROVISIONAL APPLICATION FOR PA TENT
`This collection of information is required by 37 CFR 1.51. The information is used by the public to file (and by the PTO to process) a
`provisional application. Confidentiality is governed by 35 U.S.C. 122 and 37 CFR 1.14. This collection is estimated to take 8 hours to
`complete, including gathering, prepanng, and submitting the complete provisional application to the PTO. Time will vary depending upon
`the individual case. Any comments on the amount of time you require to complete this form and/or suggestions for reducing this burden,
`should be sent to the Chief Information Officer, U.S. Patent and Trademark Office, U.S. Department of Commerce, Washington, D.C.
`20231. DO NOT SEND FEES OR COMPLETED FORMS TO THIS ADDRESS. SEND TO: Box Provisional Application, Assistant
`CommissionerforPatents, Washington, D.C. 20231.
`
`-
`REGISTRATION NO.
`(if appropriate)
`Docket Number:
`
`I
`
`ZTE/SAMSUNG 1003-0001
`IPR2018-00276
`
`
`
`PROVISIONAL APPLICATION COVER SHEET
`Additional Page
`
`PTO/SB/16 (8-00)
`Approved for use through 10/31/2002. OMB 0651-0032
`U.S. Patent and Trademark Office; U.S. DEPARTMENT OF COMMERCE
`Under the Paperwork Reduction Act of 1995, no persons are required to resoond to a collection of information unless it disi lavs a valid OMB control number.
`Type a plus sign (+)
`inside this box ~ +
`Docket Number 55525501213 2
`I
`INVENTOR(S}/APPLICANT(S}
`
`I
`
`J
`
`Given Name (first and middle Hf anvn
`
`Familv or Surname
`
`Dan G.
`
`Michael F.
`
`Quang
`
`Jonathan
`
`Radut
`
`Habicher
`
`Luong
`
`Malton
`
`Residence
`fCitv and either State or Foreian Countrv'
`300 Regina St. N., 1-1207
`Waterloo, Ontario, CANADA N2J 3B8
`
`27 Ronald Road
`Cambridge, Ontario, CANADA NlS 4N2
`
`94 Fairway Road
`Unit 10
`Kitchener, Ontario, CANADA N2A 2N5
`
`100 Highland Cr.
`Kitchener, Ontario, CANADA N2M 5Cl
`
`Number
`
`of
`
`WARNING: Information on this form may become public. Credit card information should not
`be included on this form. Provide credit card information and authorization on PT0-2038.
`
`ZTE/SAMSUNG 1003-0002
`IPR2018-00276
`
`
`
`IN THE UNITED STATES PATENT AND TRADEMARK OFFICE
`
`Title of the Invention
`
`System and Method for Adapting a USB to Provide Power for Charging a
`Mobile Device
`
`Inventors
`
`Daniel M. Fischer
`DanG. Radut
`Mike Habicher
`Quang Luong
`Jonatahan Malton
`
`555255-012-132
`
`ZTE/SAMSUNG 1003-0003
`IPR2018-00276
`
`
`
`TITLE OF INVENTION
`System and Method for Adapting a USB to Provide Power for
`Charging a Mobile Device
`
`FIELD OF INVENTION
`This invention relates to rechargeable mobile devices having
`In particular, this invention
`access to a Universal Serial Bus (USB).
`relates to adapting power from the USB for use as a power source by
`the charging system of the mobile device to re-charge the portable
`power supply of the mobile device.
`
`BACKGROUND OF THE INVENTION
`is a
`(USB)
`the Universal Serial Bus
`On one hand,
`communications bus for connecting a USB host controller such as a
`computer to peripheral devices. USB peripheral devices can be
`differentiated based on how they obtain their power in order to
`operate while connected. A self-powered peripheral has access to a
`power supply external to USB, whereas a bus-powered peripheral
`derives all of its power from the USB.
`On the other hand, traditional mobile devices usually have a
`portable power supply that provides power to the mobile device while
`it is in service. Some portable power supplies are rechargeable so
`that when power is depleted and the portable power supply becomes
`discharged, a charging system can be used to restore the charge in
`the portable power supply. The charging system obtains power from
`an alternate power source, such as an AC outlet of a home or office
`electrical network, in order to recharge the portable power supply.
`
`555255-012-132
`
`-2-
`
`ZTE/SAMSUNG 1003-0004
`IPR2018-00276
`
`
`
`Certain rechargeable mobile devices use a separate charging
`system such as a docking cradle. Other rechargeable mobile devices
`integrate a built-in charging system in order to facilitate recharging
`the portable power supply while it is still installed in the mobile device.
`Recently the hitherto separate fields of USB and mobile devices
`have collided. Certain rechargeable mobile devices have evolved to
`access USB capabilities in order to become USB peripherals for the
`purpose of communicating with USB host controllers such as a
`computer. In some cases, USB capabilities have been incorporated
`into the docking cradle, whereas in other cases USB capabilities have
`been integrated into the rechargeable mobile device itself, in a
`manner analogous to the location of the traditional charging system.
`Traditional rechargeable mobile devices having a USB already
`have access to two power supplies, specifically a portable power
`supply and an alternate power supply. Therefore USB capable
`rechargeable mobile devices traditionally operate as self-powered
`USB peripherals.
`There is a need for a system and method of adapting the
`charging system of a USB capable rechargeable mobile device to use
`the power traditionally available on the USB as an alternate power
`source for recharging the portable power supply of the mobile device
`thereby eliminating the need for a separate charging and USB
`interfaces.
`
`555255-012-132
`
`-3-
`
`ZTE/SAMSUNG 1003-0005
`IPR2018-00276
`
`
`
`BRIEF SUMMARY OF INVENTION
`It is an object of the invention to provide a system and method
`of adapting the charging system of a USB capable rechargeable
`mobile device to use the power traditionally available on the USB as
`an alternate power source for recharging the portable power supply of
`the mobile device.
`Traditionally, the alternate power supply is of a much greater
`power capacity than the portable power supply, so that as much
`current as is needed can be drawn from the alternate power supply
`by the charging system in order to re-charge the portable power
`supply.
`However, power traditionally available on the USB is 1 OOmA to
`500mA at 5V, which sometimes has to be shared amongst up to 127
`self-powered peripherals. The exact amount of current available
`varies as peripherals are connected and disconnected from the USB.
`In one embodiment of the invention, a charging circuit directly
`attached to the USB power lines draws current without regard to
`traditional USB functionality.
`In another embodiment of the invention, a charging circuit uses
`a current analogous to the current being drawn from the USB on the
`Vbus rail. Several elements of the invention are provided by an ASIC
`thereby facilitating manufacture.
`In yet another embodiment of the invention, the USB interface
`accessible to the mobile device isfurther adapted in order to favour
`two modes of operation: charging mode and communications mode.
`Further features of the invention will be described or will
`become apparent in the course of the following detailed description.
`
`555255-012-132
`
`-4-
`
`,;
`
`ZTE/SAMSUNG 1003-0006
`IPR2018-00276
`
`
`
`BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE
`DRAWING
`
`In order that the invention may be more clearly understood,
`
`embodiments thereof will now be described in detail by way of
`
`example, with reference to the accompanying drawings, in which:
`
`Figure 1 is a block diagram illustrating a non-enumerating
`
`embodiment;
`
`Figure 2 is a block diagram
`
`illustrating an enumerating
`
`embodiment;
`
`Figure 3 is a flowchart illustrating an enumerating method;
`
`Figure 4 is a block diagram illustrating a current sensing
`
`embodiment, which can be used for both enumerating and non(cid:173)
`
`enumerating purposes;
`
`Figure 5 is a typical charge and voltage curve which illustrates
`
`a current-sensing method; and
`
`~:
`
`Figure 6 is a flowchart which further illustrates a current-
`
`sensing method.
`
`DETAILED DESCRIPTION OF THE INVENTION
`
`NON-ENUMERATING EMBODIMENT
`In one embodiment of the invention, a Li battery is charged by
`
`using the power available at a high-powered USB port, making no
`
`use of the D+ and D- data lines. A charger apparatus, such as a
`
`linear charger based on the L TC1734 charge controller, is used in
`
`this embodiment.
`
`In reference to Figure 1, a USB interface 100 comprising a
`
`Vbus power line 100, D+ data line 120, D- data line 130 and GND
`
`555255-012-132
`
`-5-
`
`ZTE/SAMSUNG 1003-0007
`IPR2018-00276
`
`
`
`power line 140 is connected to a charging circuit 400 via the Vbus
`110 and GND 140 power lines. A battery 500, to be charged, is
`connected at it's positive ent to the charging circuit 400, and at it's
`negative end to the GND power line 140.
`It was determined experimentally that current can be drawn
`from several USB ports at a high rate, such as 500mA, without
`problem. As used in this description and in the appended claims, a
`high-power USB port is a USB port which can provide around 500mA
`to be drawn by the invention. Typical means of providing a high(cid:173)
`power USB port are ensuring that the invention is the only USB
`device to attach to the USB port of a desktop computer, a laptop
`computer, or a self-powered hub.
`First the charger is attached to the power lines of a high(cid:173)
`powered USB port, such as that of a desktop computer. An open
`voltage value is measured on the USB prior to charging operation.
`This was about 5.16V in experiments,
`Next, the battery is charged by drawing current at a rate of
`around 490mA.
`The start of charge can be detected by observing that the Vbus
`voltage value settles to a charging voltage value. This was about
`4. 76V in experiments.
`Finally, when the Vbus reaches its open value, the end of
`charge condition is detected. This was about 5.16V in experiments.
`Additionally, when charging from the USB port of a portable
`computer, such as a laptop, after charging at the same rate ( 490mA)
`the Vbus voltage value settled to a charging voltage of about 4.65V.
`The difference between this laptop charging voltage value and the
`
`555255-012-132
`
`-6-
`
`ZTE/SAMSUNG 1003-0008
`IPR2018-00276
`
`
`
`desktop charging voltage value can be used to sense what type of
`high-powered device the invention is attached to.
`Furthermore, still in the case of a laptop, the USB voltage
`disappears when the internal laptop batteries were "completely"
`discharged. The voltage is present again immediately after the laptop
`is attached to its charger. Therefore, the invention adapts both the
`batteries of a laptop and the power adapter of the laptop to provide
`power to a rechargeable mobile device via the USB port.
`Furthermore, it seems that certain high-power USB ports, such
`as a self-powered hub, appear to implement only an over-current
`protection, i.e. they turn off the voltage on the Vbus line for current
`values exceeding 700mA-800mA.
`Thus a battery charger limiting its charge current value to
`SOOmA can be powered from a high-power USB port without being
`necessary to be enumerated by the host, although such a device is
`not currently compatible with the current USB standard.
`
`ENUMERATING EMBODIMENT
`In another embodiment of the invention, the USB interface
`accessible to the mobile device is further adapted in order to favour
`the traditional
`two modes of operation: a charging mode and
`communications mode. The traditional communications mode of
`operation of a USB peripheral is described in great detail in the
`current USB standard and is not discussed presently as it is obvious
`to a person skilled in the art. Both modes could be operated
`contemporaneously by a skilled person consulting both the standard
`and this specification, however this specification will positively set out
`and describe the charging mode.
`
`555255-012-132
`
`-7-
`
`ZTE/SAMSUNG 1003-0009
`IPR2018-00276
`
`
`
`In reference to Figures 2, one embodiment of a system used in
`In
`the charging mode will be described presently in greater detail.
`interface 100 are utilized.
`lines of USB
`this embodiment, all
`Specifically, the data D+ 120 and D- 130 lines are utilized to provide
`data communication between a USB controller (not shown) and a
`micro processor 200 of the present invention. The microporcessor
`200 selectively controls soft-disconnect signal 120 to cause soft(cid:173)
`disconnect means means 21 O, such as a pair of electrically controlled
`switches to either connect or disconnect the microprocessor from the
`USB Interface 100. Microprocessor 200 also communicates with
`power level limiting means 300 via set power level signal 220. The
`power level limiting means 300, such as the switched current divider
`formed by a plurality of first resistor 330 and switch 340, and a single
`second resistor 350, provides a power signal 31 O, such as a
`reference current, to charging circuit 400. Charging circuit 400 is
`connected to power lines Vbus 11 O and GND 140, and provides
`power to an attached battery 500 which is electrically connected at
`one end to the charging circuit 400, and at the other to the GND line
`140 of the USB interface.
`In charging mode, the mobile device USB interface operates as
`a bus-powered peripheral interface,· with a temporary disregard to
`communications functionality in favour of obtaining the maximum
`amount of current from the USB host controller.
`A method of use of the system illustrated in Figure 2 will be
`described presently, in reference to Figure 3. At step 600, the
`microporcessor 200 sets power level signal 220 to a minimum value,
`such as O mA. At step 61 o, the microprocessor sets a requested
`
`555255-012-132
`
`-8-
`
`ZTE/SAMSUNG 1003-0010
`IPR2018-00276
`
`
`
`power to a maximum value, such as 500mA. At step 620, the
`microprocessor 200 sends soft-disconnect signal 21 O so that a
`connection to the USB interface is detected by a USB controller,
`which was not expressly shown in Figure 2.
`At step 630, the microprocessor monitors data lines D+ 120 and
`D- 130 and waits for the enumeration process to begin. At step 640,
`When connecting, during the enumeration process, the USB host
`controller obtains a power request from the mobile device USB
`peripheral interface. However, the USB host controller might not allot
`the amount requested, and at Step 650 this is determined.
`In order to maximize the likelihood of obtaining a large power
`allotment, the mobile device USB peripheral interface is capable of
`electrically disconnecting and reconnecting using switches in order to
`force a new enumeration process as if a user had unplugged and
`then plugged in the mobile device USB interface to the USB host
`controller. This is accomplished by steps 670 and 680 respectively,
`after which the method continues at step 620.
`By comparing the amount of power requested and the amount
`of power allotted, the mobile device USB interface can determine
`whether or not to disconnect and attempt a request for less power.
`When the amount of power obtained corresponds with the amount of
`in
`to operate
`interface can proceed
`the USB
`power allotted,
`communications mode. This occurs at step 660, after which the
`method ends.
`In communications mode, one additional element is taught by
`the invention over a traditional USB device taught by the standard.
`The mobile device USB interface operates as a traditional USB
`
`555255-012-132
`
`-9-
`
`ZTE/SAMSUNG 1003-0011
`IPR2018-00276
`
`
`
`peripheral interface favouring traditional communications wherein the
`
`mobile device acts as either a self-powered or bus-powered
`
`peripheral, depending on the charge state of the portable power
`supply.
`If the portable power supply is sufficiently charged, the
`
`mobile device can act as a self-powered peripheral bypassing the
`
`charging mode. Conversely, if the portable power supply needs to be
`recharged, the mobile device can disconnect electrically and act as a
`
`bus-powered peripheral.
`
`CURRENT SENSING EMBODIMENT
`In reference to Figures 4-5, a third embodiment of the present
`
`invention will be described. The Charger Current Sense block 71 O
`
`provides a signal 717 to the Charge Control block 732 analogous to
`
`the current being drawn from the USB on the Vbus rail. The Charge
`
`Control block 732 uses this signal 717 to turn on the linear pass
`
`element 727, such as a bipolar transistor, to a greater or lesser
`degree by signal 727 as necessary in order that the total current does
`
`not exceed that required by the system.
`
`In the case of USB, this is
`
`for example either 1 OOmA or 500mA.
`
`In addition and as a parallel
`
`control, the Charge Control block 732 monitors the battery voltage
`
`level via the V _BAT 750 input, and controls the input current via the
`
`linear pass element 720 such that the battery voltage does not
`
`exceed the specified maximum, such as for example 4.20V. The
`
`Charge Control 732 block periodically inhibits delivery of current to
`
`the battery by switching off the linear pass element 720, and briefly
`monitoring the battery level at V _BAT 750. This information is used
`
`to determine whether the linear pass element 720 should control
`
`solely the input current, such as monitored by the Charger Current
`
`555255-012-132
`
`-10-
`
`ZTE/SAMSUNG 1003-0012
`IPR2018-00276
`
`
`
`•
`
`Sense block 710, or the input current and the battery voltage during
`
`the following "charge on" cycle, which will be described in further
`
`detail in reference to Figure 5 below.
`
`In the absence of input power at the Vbus 110, the Charge
`
`Control block 732 sets the switch 720 so that the first regulator 736
`
`and second regulator 738 connect to and draw power from the
`
`battery 500 via the V_BAT 750 input.
`
`In order that the microprocessor 7 40 can monitor and control
`
`the charge system operation, the actual current delivered to the
`
`battery 500 is monitored by the Cell Current Sense block 760. This
`
`block produces a signal ISENSE_BAT 755 that is analogous to the
`
`actual charge current, and which is converted by an analog-to-digital
`
`converter, which is not explicitly shown in
`
`the drawing but is
`
`comprised in Charge Control block 732, and which may be read
`
`serially by the microprocessor on a serial interface, which is also not
`
`shown explicitly in the drawings.
`
`In order to favour manufacturing, a specification for an ASIC
`
`730 to be known as Esker is provided in an appendix. The ASIC
`
`device performs charging, battery monitoring, low dropout voltage
`
`regulation, system reset control, and integration of a few other power
`
`consuming functions such as proximity sensor, vibrator, and buzzer.
`
`LDOs 736, 738 are Low Drop-Out regulators. An LOO is
`
`typically a linear regulator that can manage to keep its output within
`
`regulation tolerance, while the input falls to only a small amount
`
`above the output voltage. Note that regulator 738 may be a buck
`
`switching regulator external to Esker, as it might need to supply more
`
`current than a linear regulator could handle without overheating.
`
`555255-012-132
`
`-11-
`
`ZTE/SAMSUNG 1003-0013
`IPR2018-00276
`
`
`
`In an embodiment using Esker, charge termination will be
`
`performed by the microprocessor, as the charge current will be
`
`monitored.
`Note that the Charge Control block 732 also operates an
`
`electronic switch 727 when voltage is detected at the Vbus input 110.
`
`This switch diverts power as necessary from the source to operate
`
`the regulators 736. 738 powering the microprocessor 7 40, in order to
`
`ensure that it is possible, even in the case of a severely discharged
`
`lithium battery 500, that the necessary communications and charge
`
`management functions may be performed.
`
`One significant innovation in the configuration illustrated in
`
`Figure 4 is that the controlled parameter is system input current,
`
`rather than battery charge current. Varying of the battery charge
`current is used as the means for controlling (limiting) the system input
`current, thereby compensating for varying power drawn by the
`
`microprocessor.
`In reference to Figure 5, a "periodic charge" and "battery
`
`voltage compensation" method using the system of Figure 4 is
`
`illustrated in great detail. A battery voltage curve 800 and battery
`
`current curve 900 which illustrate the method of charging are
`depicted. A constant charge current 910, such as in this example
`
`500mA, is delivered to the battery until during a constant charge
`current period 1000, for instance during the first five constant charge
`
`current cycles 101 OA,B,C,D,E in the figure. Between each cycle, the
`current
`is stopped 920A,B,C,D,E,F and
`the battery voltage
`820A,B,C,D,E,F (which climbs during charging) is measured. At the
`
`end of the constant charge current period 1000,
`
`the voltage
`
`555255-012-132
`
`-12-
`
`ZTE/SAMSUNG 1003-0014
`IPR2018-00276
`
`
`
`•
`
`820A,B,C,D,E is sampled to be at or above a critical threshold, such
`as 4.2V 820F. In the next cycles 151 OA,B,C,D, the charge current is
`
`regulated such that the voltage 830 stays approximately constant
`
`during a constant voltage period 1500. When the sampled current
`
`930A,B,C reaches a cirtical threshold, such as 50mA 9300, the
`
`charging method finishes. The current is still set to zero between
`constant current charging cycles 935A,B,C,D.
`
`This method is illustrated further in Figure 6 with a flowchart. At
`
`step 1020, the charge current is set to zero. This corresponds to
`
`points 920 of Figure 5. At step 1030, the voltage is sampled 820. At
`
`step 1030, the sampled voltage is compared to a threshold, such as
`4.20 V. In the event that the sampled voltage is below the threshold,
`
`at step 1050 a constant current charging cycle as described above in
`
`reference to Figure 5 ensues, aftewhich the method continues at step
`
`1020. However, in the event that the sampled voltage is determined
`
`to be above or equal to the threhold at step 1030, the method
`
`continues at step 1520 in constant current charging mode 1500. At
`
`step 1520, a constant current charge cycle, as described above in
`
`reference to Figure 5 ensures. At step 1530, the current 930 is
`
`sampled. At step 1540, the current 935 is set to zero. At step 1550,
`
`the sampled current 930 is compared to a threshold. In the event that
`
`the current is greater than the threshold, the method continues at
`step 1520. In the event that the sampled current 930 is below the
`
`threshold, the method ends.
`
`It will be appreciated that the above description relates to
`
`embodiments by way of example only. Many variations on the
`
`invention will be obvious to those knowledgeable in the field, and
`
`555255-012-132
`
`-13-
`
`ZTE/SAMSUNG 1003-0015
`IPR2018-00276
`
`
`
`•
`
`such obvious variations are within the scope of the invention as
`described and claimed, whether or not expressly described.
`
`555255-012-132
`
`-14-
`
`ZTE/SAMSUNG 1003-0016
`IPR2018-00276
`
`
`
`CLAIMS
`CLAIMS
`
`
`
`355255-012-132
`555255-012-132
`
`-15-
`-15-
`
`ZTE/SAMSUNG 1003-0017
`IPR2018-00276
`
`ZTE/SAMSUNG 1003-0017
`IPR2018-00276
`
`
`
`..
`
`ABSTRACT
`ABSTRACT
`
`
`
`$55255-012-132
`555255-012-132
`
`-16-
`-16-
`
`ZTE/SAMSUNG 1003-0018
`IPR2018-00276
`
`ZTE/SAMSUNG 1003-0018
`IPR2018-00276
`
`
`
`[110
`
`[140
`
`Charging Circuit
`
`Battery
`
`140
`
`400
`
`500
`
`Figure 1
`
`555255-012-132
`
`ZTE/SAMSUNG 1003-0019
`IPR2018-00276
`
`
`
`100
`
`USB Interface
`
`110
`
`Vb us
`
`D+
`
`D-
`
`Gnd
`
`Charging Circuit
`
`Battery
`
`Soft-Disconnect
`, - - - - - - - , - - - -1210
`
`200
`
`Micro Processor
`
`r----------------------------------------------------------------1
`i
`i
`110
`:
`!
`
`320
`
`Set Power Level
`
`t-------<220
`
`140
`
`[140
`
`400
`
`[soo
`
`[:::::':, [330A
`
`DEMUX
`
`'
`'
`'
`'
`' '
`'
`'
`
`) :.v300
`
`:
`140
`:
`\_ ________________________________________________________________ !
`:
`
`Figure 2
`
`555255-012-132
`
`ZTE/SAMSUNG 1003-0020
`IPR2018-00276
`
`
`
`Start
`
`Set Charge Power
`to Minimum
`
`Set Requested
`Power to
`Maximum
`
`Soft-Connect to
`the USBus
`
`Wait for USB
`Enumeration
`process
`
`Request Power
`when Enumerated
`by USB controller
`
`Alloted Power >=
`Requested Power
`
`Yes
`
`Set Charge Power
`to Requested
`Power
`
`End
`
`No
`
`Lower Requested
`Power
`
`Soft-disconnect
`
`555255-012-132
`
`Figure 3
`
`ZTE/SAMSUNG 1003-0021
`IPR2018-00276
`
`
`
`/10
`
`(USB)
`
`710
`
`715
`
`Charger Current
`Sense
`
`725
`
`t20
`
`727
`
`[111
`
`V_CHG
`
`DRIVE
`
`!SENSE
`
`Charge Control
`
`[7341
`
`[736
`
`LDO
`
`Switcher/
`LDO
`
`750
`
`To PA
`
`760
`
`Cell Current
`Sense
`
`ISENSE_BAT
`
`755
`
`[500 .....___
`
`u+ cell
`
`140
`
`740
`
`1/0
`
`Core
`
`Esker
`
`[738
`
`Microprocessor
`
`Figure 4
`
`555255-012-132
`
`ZTE/SAMSUNG 1003-0022
`IPR2018-00276
`
`
`
`[ 830
`
`.... = -Terminal Voltage
`....
`Ql
`....
`:::
`~
`
`Charge Current
`
`-
`
`Voltage Compensation
`
`820F
`
`2
`
`1.75
`
`1.5
`
`1.25
`
`0.75
`
`0.5
`
`-[
`
`soo
`
`0
`
`920A
`
`100
`time
`
`200
`920F
`
`9300
`
`4.210
`
`4.205
`
`4.200
`
`~ 4.195
`(ti
`.:::::
`~ 4.190
`
`4.185
`
`4.180
`
`4.175
`
`[910
`
`[ 1000
`
`Figure 5
`
`555255-012-132
`
`ZTE/SAMSUNG 1003-0023
`IPR2018-00276
`
`
`
`Start
`
`Set Current to 0
`
`1020
`
`1530
`
`Yes
`
`1540
`
`Sample Current
`
`Set Current to 0
`
`Battery Current >
`Current Threshold ?
`
`No ±
`
`[1550
`
`Figure 6
`
`555255-012·132
`
`ZTE/SAMSUNG 1003-0024
`IPR2018-00276
`
`
`
`Attorney Docket No. 555255012132
`
`PATENT
`
`IN THE UNITED STATES PATENT AND TRADEMARK OFFICE
`
`In re Application of: Daniel M. Fischer
`DanG. Radut
`Michael F. Habicher
`Quang Luong
`Jonathan Malton
`
`Application No.:
`
`Not Yet Assigned
`
`Filed:
`
`For:
`
`Herewith
`SYSTEM AND METHOD FOR ADAPTING A USB TO PROVIDE
`POWER FOR CHARGING A MOBILE DEVICE
`
`POWER OF ATTORNEY FOR PROVISIONAL APPLICATION
`Each inventor, identified above and signing below, hereby appoints each of the
`following as my attorneys with full power of substitution and revocation, to prosecute this
`application and to transact all business in the Patent and Trademark Office connected therewith:
`
`David B. Cochran, Registration No. 39,142; Kenneth R. Adamo, Registration No. 27,299;
`John V. Biernacki, Registration No. 40,511; Barbara Arndt, Registration No. 37 ,768;
`Regan J. Fay, Registration No. 26,878; F. Drexel Feeling; Registration No. 40,602;
`Calvin P. Griffith, Registration No. 34,831; Warren M. Haines II, Registration No.
`40,632; Shawn A. McClintic, Registration No. 45,856; Timothy J. O'Hearn, Registration
`No. 31,552; Stephen D. Scanlon, Registration No. 32,755; Jenny L. Sheaffer, Registration
`No. 45,099; Duane Switzer, Registration No. 22,431; Michael W. Vary, Registration No.
`30,811; and James L. Wamsley, ill, Registration No. 31,578;
`
`all of the firm of Jones, Day, Reavis & Pogue, North Point, 901 Lakeside Avenue, Cleveland,
`Ohio 44114; Krishna K. Pathiyal, Registration No. 44,435, Research In Motion Limited, 295
`Phillip Street, Waterloo, Ontario, Canada N2L 3W8; and Charles B. Meyer, Registration No.
`33,563, Research In Motion Limited, 25227 Grogan's Mill Road, Suite 125, The Woodlands,
`Texas 77380.
`
`Page 1 of2
`
`ZTE/SAMSUNG 1003-0025
`IPR2018-00276
`
`
`
`I hereby designate the following as my mailing address and telephone number:
`
`David B. Cochran, Esq.
`Jones, Day, Reavis & Pogue
`North Point, 901 Lakeside Avenue
`Cleveland, Ohio 44114
`(216) 586-3939
`
`Each inventor, identified above and signing below, authorizes the above named attomey(s) and/or
`agents to accept and follow instructions from his/her representative(s).
`
`Inventor(s)
`
`Daniel M. Fischer
`
`Date: hb l~ / 0 \
`Date: T~ lli /of
`Date: fek t\ '2ctJ/.
`Michael F. Habicher
`Date: t='ek1tw11vy ~9, QCXJ( Quang Luong
`Y..,p~ 1 q / 0 1
`I
`
`j
`
`Dan G. Radut
`
`Date:
`
`Jonathan Malton
`
`Page2of2
`
`ZTE/SAMSUNG 1003-0026
`IPR2018-00276
`
`
`
`Confidential & Proprietary Information
`
`Preliminary Information
`
`Esker ASIC Specification
`ANA-03126-002
`Mike Habicher, mikeh@rim.net, x2207
`16-Feb-2001
`03126002, rev B
`
`Project:
`ASIC Part#:
`Author:
`Date:
`Document:
`Vendor:
`Vendor Part#:
`
`Esker ASIC Specification
`
`Research in Motion, Ltd.
`295 Phillip Street
`Waterloo, ON NlS 4N2
`Canada
`
`Tel.:
`Fax:
`
`+1519 888-7465
`+l 519 888-6906
`
`Copyright© 1999-2000, Research in Motion, Ltd.
`All Rights Reserved.
`011 ?f;(I()? rlr<ift
`
`Page 1
`
`ZTE/SAMSUNG 1003-0027
`IPR2018-00276
`
`
`
`Confidential & Proprietary Information
`
`Preliminary Information
`
`1 Table of Contents
`
`1
`2
`3
`4
`5
`
`6
`
`5.2
`
`5.3
`
`6.1.1
`
`6.1.2
`
`6.1.3
`
`6.1.4
`
`6.1.5
`
`TABLE OF CONTENTS ...................................................................................................................... 2
`LIST OF TABLES ................................................................................................................................. 5
`LIST OF FIGURES ............................................................................................................................... 5
`DOClJMENT HISTORY ...................................................................................................................... 6
`INTRODUCTION ................................................................................................................................. 7
`SCOPE ........................................................................................................................................ 7
`5.1
`TECHNICAL CONTACTS .............................................................................................................. 7
`FuNCTIONALDESCRIPTION ........................................................................................................ 7
`REFERENCES .............................................................................................................................. 7
`5.4
`REQUIREMENTS ................................................................................................................................ 8
`GENERAL ................................................................................................................................... 8
`6.1
`BlockDiagram ................................................................................................................ 8
`Pin Descriptions ............................................................................................................. 9
`Packaging .............................................