`
` CERTIFICATE OF TRANSLATION ACCURACY
`
`I am a professional reviewer and coordinator specializing in translating Chinese, Japanese and Korean to
`English and vice versa.
`
`I served as Chief Examiner of the certified court interpreter test for the State of California and as a contract
`translator and interpreter for various federal agencies through the U.S. Department of State of for more than a
`decade. I served as an instructor at the University of California at Berkeley and the Middlebury Institute of
`International Studies at Monterey.
`
`I have more than 30 years of experience translating thousands of technical, legal, and business submitted
`to, among others, Korean judicial authorities, various U.S. federal courts, the U.S. International Trade
`Commission (ITC), and the USPTO Patent Trial and Appeal Board (PTAB).
`
`I certify that the following document translated from Japanese into the English language is a true, correct,
`and complete translation of the corresponding source text to the best of my knowledge and ability.
`
`I certify under penalty of perjury that the foregoing is true and correct.
`
`Executed this 6th day of July 2023 in the Contra Costa County of the State of California.
`
`
`
`By:
` Alex N. Jo
` Member, ATA
`
`
`
`
`
`
`
`
`Petitioner Samsung Ex-1015, 0001
`
`

`

`(19) Japan Patent Office (JP)
`
`(12) Patent Application Gazette (a)
`
`(51) Int. Cl.
`GO6F
`
`1/32
`
`(2006.01)
`
`F1
`GO6F
`
`1/00
`
`JP 2010-262341 A Nov.18, 2010
`
`(11) Published Application No.
`2010-262341
`(P2010-262341A)
`(43) Published: Nov. 18, 2010
`Themecodes(reference)
`5B011
`
`332Z
`
`(21) Filed Appl. No.:
`(22) Filed:
`
`Requestfor examination: Not yet requested; Numberof claims: 29 OL (Total of 26 pages)
`2009-110620 (P2009-110620)
`000004237
`NEC CORP
`Apr. 30, 2009
`
` (71) Applicant:
`
`(74) Agentor attorney:
`
`(74) Agent or attorney:
`
`(74) Agent or attorney:
`
`(72) Inventor:
`
`F terms(reference)
`
`5-7-1 Minato-ku, Tokyo
`100077838
`Noriyasu Ikeda, patent attorney
`100082924
`Shuichi Fukuda, patent attorney
`100129023
`Takashi Sasaki, patent attorney
`Mamoru Shimazaki
`% NEC CORP
`
`5-7-1 Minato-ku, Tokyo
`5B011 EA10 LL11
`
`(54) (TITLE) PORTABLE INFORMATION PROCESSING APPARATUS AND CONTROL METHOD THEREOF
`
`(57) (ABSTRACT)
`
`(PROBLEM)To providea portable information processing
`apparatuswith an excellent powersaving function.
`
`60
`C 70 Control unit
`0|—-[oanacont
`Power source unit
`Powersaving
`50
`
`(MEANS TO SOLVE THE PROBLEM)Theportable information
`processing apparatusis provided with a powersaving function unit
`for stopping orrestricting various functions to suppress power
`consumption and extend the operation time, an orientation
`detection unit capable of detecting the orientation of the main
`unit with respect to gravity, a storage unit for storing and holding
`conditionsas setting information for operating the powersaving
`function unit in association with the orientation of the main unit
`
`with respect to gravity, and a controlunit for acquiring
`information pertaining to orientation outputted by the orientation
`detection unit and controlling the powersaving function unit on
`the basis of the setting information recordedin the storage unit.
`
`(SELECTED DRAWING)FIG. 1
`
`Battery
`
`30
`
`21
`sf
`set I
`Orientation detection —Orientation detection unit
`stopping unit a
`pa |
`40
`Storage unit 4l
`Orientation detection
`correction unit
`
`|
`
`
`
`Settingsinformation
`
`Petitioner Samsung Ex-1015, 0002
`
`Petitioner Samsung Ex-1015, 0002
`
`

`

`
`
`(2)
`
`JP 2010-262341 A Nov. 18, 2010
`
`
`(CLAIMS)
`(Claim 1)
`A portable information processing apparatus characterized in being provided with
`a power saving function unit for stopping or restricting various functions during startup to suppress power consumption
`and extend the operation time,
`an orientation detection unit capable of detecting the orientation of the main unit with respect to gravity,
`a storage unit for storing and holding conditions, as setting information, for operating the power saving function unit in
`association with the orientation of the main unit with respect to gravity, and
`a control unit for acquiring information pertaining to orientation outputted by the orientation detection unit and
`controlling the power saving function unit on the basis of the setting information recorded in the storage unit.
`(Claim 2)
`The portable information processing apparatus set forth in claim 1 characterized in that
`the control unit acquires information pertaining to orientation from the orientation detection unit, operates the power
`saving function unit on the basis of the setting information recorded in the storage unit, and operates an orientation
`detection stop unit for stopping an operation carried out using information relating the orientation until there is an input
`from an input unit receiving a user operation.
`(Claim 3)
`The portable information processing apparatus set forth in claim 1 or 2 characterized in that
`the setting information has a region that can be set by a user or an application program creator, and
`the control unit controls the power saving function unit on the basis of the setting information set by the user or the
`application program creator.
`(Claim 4)
`The portable information processing apparatus set forth in any of claims 1 to 3 characterized in that
`the setting information has a region for each application program that can be set by a user or an application program
`creator, and
`the control unit uses the setting information set for each application program to control the power saving function unit.
`(Claim 5)
`The portable information processing apparatus set forth in any of claims 1 to 4 characterized in that
`the setting information has a region that can stipulate an operation for switching to a power saving mode, and
`the control unit immediately switches to the power saving mode on the basis of the information pertaining to orientation
`and the setting information when the position is held horizontal in a stored orientation opposite to the direction of gravity.
`(Claim 6)
`The portable information processing apparatus set forth in any of claims 1 to 5 characterized in that
`the setting information has a region that can stipulate an operation for switching to a power saving mode, and
`the control unit immediately switches to the power saving mode stipulated in the setting information on the basis of the
`information pertaining to orientation and the setting information when, within a prescribed time, the user changes the form
`from the used orientation to a stored orientation, the user changes the orientation to the direction opposite the direction
`of gravity in a prescribed direction and/or at a prescribed acceleration, and the position is held horizontally after those
`changes.
`(Claim 7)
`The portable information processing apparatus set forth in any of claims 1 to 6 characterized in that
`the setting information has a region that can stipulate a user operation for switching to a power saving mode, and the
`control unit compares an operation stored in the setting information to an actual operation and automatically changes the
`orientation suitable for switching to the power saving mode from the use state on the basis of on the current operation.
`(Claim 8)
`The portable information processing apparatus set forth in any of claims 1 to 7 characterized in that the setting information
`has a region for temporarily storing a user operation, and the control unit ascertains a user operation stored in the setting
`information and automatically changes the orientation for switching to the power saving mode corresponding to the
`application program in use.
`
`
`
`
`
`
`Petitioner Samsung Ex-1015, 0003
`
`

`

`
`
`(3)
`
`JP 2010-262341 A Nov. 18, 2010
`
`
`(Claim 9)
`The portable information processing apparatus set forth in any of claims 1 to 8 characterized in that when changing the
`screen display so as to use the display unit vertically or horizontally with respect to the user, the control unit operates the
`orientation detection correction unit for correcting the sensor output value of the orientation detection unit so as to
`correspond to the changed direction of the display screen, and re-reads the corrected information pertaining to orientation
`to identify the orientation.
`(Claim 10)
`The portable information processing apparatus set forth in any of claims 1 to 8 characterized in that
`when changing the screen display so as to use the display unit vertically or horizontally with respect to the user, the control
`unit operates the orientation detection correction unit to change an electric circuit line so that the sensor output value of
`the orientation detection unit corresponds to the changed display screen, and re-reads the corrected information pertaining
`to orientation to identify the orientation.
`(Claim 11)
`The portable information processing apparatus set forth in any of claims 1 to 10 characterized in that
`the setting information has a region capable of stipulating a condition for operating the power saving function in response
`to the display screen direction, and
`when the display screen direction changes with respect to the user, the control unit identifies the form and display screen
`direction and identifies the orientation corresponding to the identified form and display screen direction.
`(Claim 12)
`The portable information processing apparatus set forth in any of claims 1 to 11 characterized in that
`the setting information has a region capable of stipulating a condition for operating the power saving function in response
`to the display screen direction, and
`the control unit re-reads the sensor output value of the orientation detection unit to identify the orientation when the
`screen is displayed so that the display unit is used horizontally with respect to the user, and re-reads the X-axis and the Y-
`axis of the sensor output value to identify the orientation when the screen is displayed so that the display unit is used
`vertically with respect to the user.
`(Claim 13)
`The portable information processing apparatus set forth in any of claims 1 to 12 characterized in that
`the setting information has a region corresponding to a right-hand setting and a left-hand setting, and
`the control unit uses the selected setting information to operate the power saving function unit, the user having inputted
`either right-hand or left-hand in advance.
`(Claim 14)
`The portable information processing apparatus set forth in any of claims 1 to 13 characterized in that
`the control unit stores and holds a user operation in the input unit for a prescribed period of time, and
`makes the power saving function unit operate to make a correction on the basis of the operation quantity inputted in the
`prescribed period of time.
`(Claim 15)
`The portable information processing apparatus set forth in any of claims 1 to 13 characterized in that
`the control unit stores and holds a user operation in the input unit for a prescribed period of time, and
`makes the power saving function unit operate to make a correction on the basis of the operation quantity inputted in the
`prescribed period of time and of an output of the orientation detection unit when an input is detected.
`(Claim 16)
`The portable information processing apparatus set forth in any of claims 1 to 15 characterized in that
`the setting information has a region for storing a power generation quantity of a fuel cell corresponding to an incline, and
`the control unit estimates the power generation quantity of the fuel cell on the basis of a sensor output value from the
`orientation detection unit, and calculates the available power quantity on the basis of the estimated value to control the
`power saving function unit.
`(Claim 17)
`The portable information processing apparatus set forth in any of claims 1 to 15 characterized in that
`the setting information has a region for storing the power generation quantity of a fuel cell corresponding to an incline,
`and
`the control unit estimates the orientation of the fuel cell on the basis of a sensor output value from the orientation
`detection unit, and controls the power generation quantity of the fuel cell.
`
`
`Petitioner Samsung Ex-1015, 0004
`
`

`

`
`
`(4)
`
`JP 2010-262341 A Nov. 18, 2010
`
`
`(Claim 18)
`The portable information processing apparatus set forth in any of claims 1 to 15 characterized in that
`the setting information has a region for storing the power generation quantity of a fuel cell corresponding to an incline,
`and
`the control unit controls the power saving function unit on the basis of a sensor output value from the orientation detection
`unit and the setting information, and controls the fuel cell to generate the power quantity needed after controlling the
`power saving function unit.
`(Claim 19)
`A method for controlling a portable information processing apparatus characterized in having
`a step for using a power saving function unit and an orientation detection unit that outputs, as information pertaining to
`orientation, an orientation determined from an incline with respect to the direction of gravity and a form
`to acquire from a storage unit setting information stored as a condition for carrying out a power saving control in response
`to an orientation with respect to gravity,
`a step for acquiring an orientation of a main unit with respect to gravity as information pertaining to orientation from the
`orientation detection function unit, and
`a step for controlling the power saving function on the basis of the acquired information pertaining to orientation and a
`condition of power saving control recorded as the setting information.
`(Claim 20)
`The method for controlling a portable information processing apparatus set forth in claim 19 characterized in having a step
`for stopping, after a switch to a power saving function, an operation for using the information pertaining to orientation until
`there is an input from an input unit.
`(Claim 21)
`The method for controlling a portable information processing apparatus set forth in claim 19 or 20 characterized in having
`a step for the user of the apparatus or a creator of an application program used on the apparatus by the user to set the
`setting information.
`(Claim 22)
`The method for controlling portable information processing apparatus set forth in any of claims 19 to 21 characterized in
`that the setting information is set with an operation condition for switching to a power saving mode.
`(Claim 23)
`The method for controlling portable information processing apparatus set forth in any of claims 19 to 22 characterized in
`that the setting information is set with an operation condition for immediately switching to a power saving mode when a
`position is held horizontally in a stored orientation in the direction opposite of gravity.
`(Claim 24)
`The method for controlling a portable information processing apparatus set forth in any of claims 19 to 23 characterized
`in that the setting information is set with a condition for stipulating a user operation for switching to a power saving mode.
`(Claim 25)
`The method for controlling a portable information processing apparatus set forth in any of claims 19 to 24 characterized
`in having a step for variably storing a condition for switching to a power saving mode in association with orientation as the
`setting information,
`detecting a user operation, and overwriting the setting information so that the orientation at the time of operation is
`associated with a normal mode.
`(Claim 26)
`The method for controlling a portable information processing apparatus set forth in any of claims 19 to 24 characterized
`in having a step for variably storing a condition for switching to a power saving mode in association with orientation as the
`setting information,
`detecting a user operation, and overwriting the setting information of the orientation for switching to the power saving
`mode on the basis of the orientation at the time of the operation.
`(Claim 27)
`The method for controlling a portable information processing apparatus set forth in any of claims 19 to 26 characterized
`in that the setting information is set with a condition for switching to a power saving mode in response to an application
`program in use.
`
`
`
`
`
`
`Petitioner Samsung Ex-1015, 0005
`
`

`

`
`
`(5)
`
`JP 2010-262341 A Nov. 18, 2010
`
`
`(Claim 28)
`A method for controlling a portable information processing apparatus set forth in any of claims 19 to 27 characterized in
`having a step for identifying the display direction of a display screen, and correcting a setting condition which is a condition
`for carrying out a power saving control in response to an orientation with respect to gravity stored in setting information so
`as to respond to a change in the display screen direction.
`(Claim 29)
`A method for controlling a portable information processing apparatus set forth in any of claims 19 to 28 characterized in
`having a step for identifying the display direction of a display screen and correcting the orientation with respect to gravity
`so as to respond to a change in the display screen direction.
`(DETAILED DESCRIPTION OF THE INVENTION)
`(TECHNICAL FIELD)
`(0001)
`The present invention relates to a portable information processing apparatus. More specifically, the present invention
`relates to a portable information processing apparatus having a sensor capable of detecting an orientation with respect to
`gravity.
`(BACKGROUND ART)
`(0002)
`In recent years, there has been an increasing trend in power consumption as multi-functionality and high functionality
`have advanced in information processing apparatuses carried by users, typified by a portable terminal apparatus.
`A portable information processing apparatus using a battery as the main power source needs to use the limited battery
`capacity efficiently, and power savings is extremely important. Therefore there is the problem of how to efficiently save
`power with both lower power consumption and higher functionality.
`(0003)
`Examples of technology relating to a power saving function in a portable information processing apparatus include the
`portable information processing apparatuses described in Patent Documents 1 and 2.
`(0004)
`The portable terminal apparatus described in Patent Document 1 has a sensor means for detecting a physical action carried
`out by the portable terminal apparatus user to view the screen of the display unit during application startup, and a switch
`from a normal power supply mode to a power saving mode and back again is controlled by a control unit on the basis of an
`output from the sensor. The portable terminal apparatus has an accelerator sensor as the sensor means and controls the
`switch to the power saving mode and back again on the basis of portable terminal apparatus tilting or vibration after analysis
`of the acceleration sensor output.
`(0005)
`Patent Document 2 describes a folding portable terminal apparatus provided with a front display and a back display which
`are turned on and off in response to an output of a gravity sensor that detects the angle of the portable terminal apparatus.
`Patent Document 2 also describes a reverse button in the portable terminal apparatus for the user to give a reverse
`instruction for turning the front display and the back display on and off. Patent Document 2 describes providing a hysteresis
`characteristic to the determination of the output value of the gravity sensor used in switching between the front display and
`the back display of the portable terminal device.
`(0006)
`A general portable information processing apparatus has a function for setting a power saving mode after a prescribed
`time has elapsed without an input operation by the user.
`(PRIOR ART DOCUMENTS)
`(PATENT DOCUMENTS)
`(0007)
`(PATENT DOCUMENT 1) Patent Appl. Publication No. JP 2007-080219
`(PATENT DOCUMENT 2) Patent Appl. Publication No. JP 2007-281864
`(OUTLINE OF THE INVENTION)
`(PROBLEM THE INVENTION IS INTENDED TO SOLVE)
`
`
`
`
`
`Petitioner Samsung Ex-1015, 0006
`
`

`

` 
`
`(6) 
`
`JP 2010‐262341 A Nov. 18, 2010 
`
`(0008) 
`The  use  of  an  acceleration  sensor  (gravity  sensor)  capable  of  orientation  detection  has  been  proposed  in  the 
`operation  control  of  a  power  saving  function  in  a  portable  information  processing  apparatus  such  as  the  portable 
`terminal apparatuses described in Patent Documents 1 and 2. 
`(0009) 
`However, in the control method of Patent Document 1, a switch is made from the ordinary mode to the power saving 
`mode when the tilt of the portable terminal apparatus detected by sensor is within a prescribed range, and a return is 
`made from the power saving mode to the ordinary mode when outside the prescribed range, so there is the problem 
`of continuous repeated switching between the ordinary mode and the power saving mode when near the prescribed 
`range (near the threshold value). (0010) 
`In the control method described in Patent Document 2, the problem of repeating the switch to power reduction and back 
`again is solved as a problem of the portable terminal apparatus described in Patent Document 1 by providing a hysteresis 
`characteristic  to  the  determination  by  the  control  unit,  but  further  improvement  is  needed  in  the  power  reduction 
`function. 
`(0011) 
`The  present  invention  was  devised  taking  the  above  problems  into  consideration,  and  it  is  an  object  of  the  present 
`invention  to  provide  a  portable  information  processing  apparatus  that  uses  an  orientation  detection  unit  capable  of 
`detecting orientation to achieve a superior power reduction function. 
`(MEANS 
`TO 
`SOLVE 
`THE 
`PROBLEM) (0012) 
`The portable information processing apparatus of the present invention is characterized in being provided with a power 
`saving function unit for stopping or restricting various functions during startup to suppress power consumption and extend 
`the operation  time,  an  orientation  detection  unit capable of detecting the  orientation  of the main  unit with  respect to 
`gravity, a storage unit for storing and holding conditions, as setting information, for operating the power saving function 
`unit in association with the orientation of the main unit with respect to gravity, and a control unit for acquiring information 
`pertaining to orientation outputted by the orientation detection unit and controlling the power saving function unit on the 
`basis of the setting information recorded in the storage unit. 
`(0013) 
`The method for controlling a portable information processing apparatus of the present invention is characterized in having 
`a step for using a power saving function unit and an orientation detection unit that outputs, as information pertaining to 
`orientation, an orientation determined from an incline with respect to the direction of gravity and a form to acquire from a 
`storage unit setting information stored as a condition for carrying out a power saving control in response to an orientation 
`with respect to gravity, a step for acquiring an orientation of a main unit with respect to gravity as information pertaining to 
`orientation from the orientation detection function unit, and a step for controlling the power saving function on the basis of 
`the  acquired  information  pertaining  to  orientation  and  a  condition  of  power  saving  control  recorded  as  the  setting 
`information. 
`(EFFECT OF THE INVENTION) 
`(0014) 
`According to the present invention, a portable information processing apparatus is provided that uses an orientation 
`detection unit capable of detecting orientation to achieve a superior power reduction function. 
`(BRIEF DESCRIPTION OF THE DRAWINGS) 
`(0015) 
`(FIG. 1) A block view showing the portable information processing apparatus in the mode. 
`(FIG. 2) An explanatory view showing axes X, Y and Z, which are rotating axes of the portable information processing 
`apparatus. (FIG. 3) An explanatory view showing rotation about the axes in the X‐Y plane. 
`(FIG. 4) An explanatory view showing rotation about the axes in the X‐Z plane. 
`(FIG. 5) An explanatory view showing rotation about the axes in the Y‐Z plane. 
`(FIG. 6) An explanatory view showing, as examples, information for determining associated regions at planar angles of the 
`portable information processing apparatus. 
`(FIG. 7) An explanatory view showing, as examples, the setting regions of orientations in the setting information. 
`(FIG.  8)  An  explanatory  view  showing,  as  examples,  the  setting  regions  of  operation  modes  for  orientations  in  the 
`setting information. 
`(FIG. 9) An explanatory view showing, as examples, hysteresis setting regions in the setting information. 
`(FIG. 10) An explanatory view showing, as examples, other hysteresis setting regions in the setting information. 
`(FIG. 11) An explanatory view exemplifying setting regions of processing operations for operations pertaining to orientation in 
`the setting information. 
`
`Petitioner Samsung Ex-1015, 0007
`
`

`

` 
`
`(7) 
`
`JP 2010‐262341 A Nov. 18, 2010 
`
`(FIG.  12)  An  explanatory  view  exemplifying  setting  regions  of  processing  operations  for  input  operations  in  the  setting 
`information. 
`(FIG. 13) An explanatory view exemplifying hysteresis setting regions corresponding to a right‐hand setting and a left‐hand 
`setting in the setting information. 
`(FIG. 14)  An  explanatory view exemplifying  setting  regions  in  which  affiliated regions  are  determined for  planar  angles 
`corresponding to a right‐hand setting in the setting information. 
`(FIG. 15)  An  explanatory view exemplifying  setting  regions  in  which  affiliated regions  are  determined for  planar  angles 
`corresponding to a left‐hand setting in the setting information. 
`(FIG. 16) A flowchart showing the operation of the portable information processing apparatus. 
`(FIG. 17) A block view showing the schematic configuration of a portable terminal apparatus in an embodiment. 
`(FIG. 18) An explanatory view showing a portion of the setting information in the present embodiment. 
`(FIG. 19) An explanatory view showing a portion of the setting information in the present embodiment. 
`(FIG. 20) An explanatory view showing the Y‐Z plane in an embodiment. 
`(FIG. 21) A flowchart showing an example of the entire operation for the power saving settings of the portable terminal 
`apparatus in an embodiment. 
`(FIG. 22) An explanatory view showing the setting information overwritten in embodiment 2. 
`(FIG. 23) A flowchart showing the operation of the portable terminal apparatus in embodiment 2. 
`(FIG. 24) An explanatory view showing the setting information in embodiment 3. 
`(FIG. 25) An explanatory view showing the setting information in embodiment 3. 
`(FIG. 26) An explanatory view showing the X‐Z plane in embodiment 3. 
`(FIG. 27) A perspective view showing an overview of the portable terminal apparatus of embodiment 4. 
`(MODES FOR WORKING THE INVENTION) 
`(0016) 
`A modes for working the present invention is described with reference to the drawings. Descriptions for structures not 
`closely related to the present invention are simplified or omitted. 
`(0017) 
`FIG. 1 is a block view showing a portable information processing apparatus 1 in a mode of the invention. Referring to FIG. 
`1,  the  portable  information  processing  apparatus  1  comprises  a  control  unit  10,  a  power  saving  function  unit  20,  an 
`orientation detection unit 30, a storage unit 40, an input unit 50, an output unit 60, and a power source unit 70. 
`(0018) 
`The portable information processing apparatus 1 can be used for many purposes as energy stored in a battery is acquiring 
`through the power source unit 70 and the control unit 10 is operated as various means. 
`(0019) 
`The control unit 10 is provided with a power saving function unit 20 and efficiently uses energy stored in the battery. The 
`power saving function unit 20 stops or restricts various functions during startup to curb power consumption and extend the 
`operation  time.  The  control  unit  10  is  provided  with,  according  to  need,  an  orientation  detection  stop  unit  21  and  an 
`orientation detection correction unit 22. 
`The term “power saving function” as used here refers to a function for stopping or limiting various functions to curb power 
`consumption, such functions being, for example, not displaying the display screen, turning off the backlight of the display 
`unit, slowing the computational processing of the control unit and the like, and blocking power to a device not being used. 
`(0020) 
`The orientation detection stop unit 21 uses information pertaining to orientation to stop an operation until there is an 
`input from the input unit 60 receiving a user operation. In further detail, after the orientation detection stop unit 21 operates, 
`a desired power savings is achieved by stopping or not identifying an output from the orientation detection unit 30 until an 
`input operation is received. 
`(0021) 
`The orientation detection correction unit 22 corrects, as needed, the sensor value output from the orientation detection 
`unit 30 so as to adjust a desired angle or change an axis direction to correspond to the screen. The correction may be made 
`by converting a signal with an electrical circuit or by re‐reading a value with information processing. Also, the correction may 
`be carried out by rewriting setting information 41 as described below. 
`
`Petitioner Samsung Ex-1015, 0008
`
`

`

` 
`
`(8) 
`
`JP 2010‐262341 A Nov. 18, 2010 
`
`(0022) 
`The orientation detection unit 30 detects the direction of the main unit (sensor) with respect to gravity. The orientation 
`detection  unit  30  may  also  identify  the  shape  of  the  portable  information  processing  apparatus  1  and  be  capable  of 
`detecting the rotational direction and acceleration thereof. In further detail, the orientation detection unit 30 outputs, as 
`information  related  to  the  orientation,  the  incline  of  the  main  unit  with  respect  to  the  direction  of  gravity  and  the 
`orientation determined from the form. The orientation detection unit 30 may be configured with, for example, a three‐axis 
`acceleration sensor, a gravity sensor, and a switch or sensor for detecting orientation. 
`(0023) 
`The shape of the portable information processing apparatus 1 is determined by the positional relationship of the main unit, 
`the display unit, and the like in the portable information processing apparatus with a movable display unit and the like. For 
`example, if the portable information processing apparatus 1 is foldable, the shape is determined by the folded state and the 
`display  unit  angle.  If  the  display  unit  of  the  portable  information  processing  apparatus  1  is  rotary  sliding,  the  shape  is 
`determined by the position of the display unit with respect to the main unit, the display direction of the display screen (the 
`screen being vertical or horizontal with respect to the long side of the display unit) and the like. Similarly, the shape is 
`determined by the reversal (turned) state and display direction of the display unit and the like if the display unit and the like 
`are  reversible  (can  be turned  over).  Also,  a  shape  containing  a  retractable  antenna  may  be  determined  if  a retractable 
`antenna is present. 
`(0024) 
`The storage unit 40 stores the setting information 41, which is conditions for operating the power saving function unit 20 
`and the like. 
`The  setting  information  41  describes  the  orientation  with  respect  to  gravity  corresponding  to  a  sensor  output 
`(information pertaining to orientation) of the orientation detection unit 30. The setting information 41 describes a power 
`saving  setting  associated  with  each  orientation.  The  “power  saving  setting  of  the  setting  information  41”  refers  to,  for 
`example, a condition for switching to the power saving mode, or a combination of a stop of power supply to a specific 
`device  and  a  power  saving  operation  or  the  like.  The  setting  information  41  may  be  stored  so  as  to  be  modifiable 
`(rewritable)  during  startup  such  that  the  condition  for  switching  to  the  power  saving  mode  is  associated  with  the 
`orientation and the content described below is combined with the use form. 
`(0025) 
`The setting information 41 may be provided with a region that can be set by the user or an application program creator. 
`The may be one such region for each application program. The region may be set by the user or the application program 
`creator to be available as one condition for operating the