AU739713B2 - Portable terminal device capable of controlling direction of screen display on display - Google Patents

Portable terminal device capable of controlling direction of screen display on display Download PDF

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Publication number
AU739713B2
AU739713B2 AU91322/98A AU9132298A AU739713B2 AU 739713 B2 AU739713 B2 AU 739713B2 AU 91322/98 A AU91322/98 A AU 91322/98A AU 9132298 A AU9132298 A AU 9132298A AU 739713 B2 AU739713 B2 AU 739713B2
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AU
Australia
Prior art keywords
display
portable terminal
terminal device
data
user
Prior art date
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Application number
AU91322/98A
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AU9132298A (en
Inventor
Fumiyuki Kobayashi
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NEC Corp
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NEC Corp
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Publication of AU739713B2 publication Critical patent/AU739713B2/en
Anticipated expiration legal-status Critical
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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/56—Arrangements for indicating or recording the called number at the calling subscriber's set
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/161—Indexing scheme relating to constructional details of the monitor
    • G06F2200/1614—Image rotation following screen orientation, e.g. switching from landscape to portrait mode
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0492—Change of orientation of the displayed image, e.g. upside-down, mirrored
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Description

jj': S F Ref: 440970
AUSTRALIA
PATENTS ACT 1990 COMPLETE SPECIRCA1TON FOR A STANDARD PATENT
ORIGINAL
0 es
S
S
OS
'0 0 5 OS 0 0 0
S
0 *0S SO Name and Address of Applicant: Actual Inventor(s): Address for Service: Invention Title: NEC Corporation 7-1, Shiba Minato-ku Tokyo
JAPAN
Fumlyuki Kobayashi Spruson Ferguson, Patent Attorneys Level 33 St Martins Tower, 31 Market Street Sydney, New South Wales, 2000, Australia Portable Terminal Device Capable of Controlling Direction of Screen Display on Display The following statement is a full description of this invention, including the best method of performing it known to me/us:- 5845 PORTABLE TERMINAL
DEVICE
BACKGROND OF THE NVENTIN Eield of the Invention The present invention relates to a portable terminal device, and More particularly to a portable terminal device having a display S. displaying a character string, a synbol or the like.
Description of the Related rt 0 Recently, a obile information terminal having a function such as a ca nication function using a telephone and a data camunication function performed by connecting to a telephone circuit has been widely spread. In this type of robile infornatio terina, charaters displayed on a display are always displayed parallel to a long side.
At this tin., when a user holds the robile information termina 0.o parallel to the long side, it is difficult for the user to read the c 0 characters displayed on the display. Thus, this terminal has a problem of a serious lack of facilities.
A telephone handset disclosed in Japanese Patent Laid-open No.
Heisei 1(1988)-243646 incorporates a sensor for sensing a direction of gravity. In accordance with a. signal frman the sensor, the direction of the characters or the like displayed on the display is changed. Even if this telephone handset is tilted, the characters or the like are always displayed in the direction of gravity. Thus, the user easily reads the characters or the like displayed on the display.
However, even if this telephone handset is changed in its direction on a desk, the direction of gravity is not changed and thus the direction of the characters or the like displayed on the display is not changed.
SUMMARY OF THE INVENTION An object of the present invention is to provide an improved portable terminal device.
In a first aspect, the present invention provides a portable terminal device comprising: display means for displaying data; e 10 means for determining whether said portable terminal *O O device is held by a user; and control means for automatically controlling a direction in which data is displayed on said display means according to an output of said determining means.
'15 In a preferred embodiment, a portable terminal device includes: a display for displaying data; decision circuit for deciding whether or not the portable terminal device is held by a user; and a controller for automatically controlling a direction of screen display on the displaying means in accordance with a result of decision from the decision circuit. The decision circuit is a preferably at least one of a pressure sensor and a photo-detection sensor.
The portable terminal device may further include a setting section for automatically setting a telephone function when the direction of screen display on the display is controlled by the controller. The display may automatically display information about the telephone function when the direction of screen display on the display is controlled by the controller. The information about the telephone function may be information for use in inputting a telephone number. The portable terminal device may be either a mobile telephone or a radio selective call receiver.
In a second aspect, the present invention provides a portable terminal device comprising: "i 10 display means for displaying data; means for detecting contact between the device and the user; and control means for automatically controlling the direction of data display on said display means according S- 15 to an output of said detecting means.
In a preferred embodiment, a portable terminal device includes a display for displaying the data; a decision circuit, for example, a sensor for detecting a contact with the user; and a controller for automatically controlling the direction of screen display in accordance with a result of detection obtained from the decision circuit. The decision circuit may be at least one of a pressure sensor and a photo-detection sensor. The decision circuit may be arranged on a surface other than the surface on which the display is disposed. The decision circuit may be arranged on both side surfaces with respect to the surface on which the display is disposed, 'in the condition where the portable terminal device is longitudinally held. The controller may set the direction of screen display on the display to a first direction when the user is in contact with one or both of the decision circuit arranged on both the side surfaces, and the controller sets the direction of screen display on the display to a different second direction from the first direction when the user is in contact with neither of the decision circuit arranged on both the side surfaces. The portable terminal device may 10 further include at least one recess arranged on the surface even with the surface on which the display is disposed, wherein the decision circuit is disposed in the recess.
The recess may be shaped so that it may fit the finger of the user. The portable terminal device may further include 15 setting section for automatically setting the telephone function when the direction of screen display on the display is controlled by the controller. The display may automatically display the information about the telephone function when the direction of screen display on the display is controlled by the controller. The information about the telephone function may be information for use in inputting a telephone number. The portable terminal device may be either a mobile telephone or a radio selective call receiver.
In a third aspect, the present invention provides a method of controlling a direction of data display on a display of a portable terminal device, comprising the steps of: determining whether said portable terminal device is held by a user; and automatically controlling the direction of data display on said display in accordance with a result of the determination.
In a preferred embodiment, a method of controlling a direction of data display of a portable terminal device includes the steps of; displaying data on a display; 1 0 deciding whether or not the portable terminal device is held by a user; and automatically controlling the direction of screen display on the display in accordance with a result of decision obtained from the deciding step. The controlling step may further include the steps of: deciding whether or not the direction of screen display on the display is previously set to a first direction, when the deciding step decides that the portable terminal device is held by the user; displaying the data without controlling the direction of screen display on the display, when the direction of screen display is previously set to the first direction; and displaying the data by controlling the i direction of screen display on the display to the first direction, when the direction of screen display is not previously set..to the first direction.
Accordingly, the direction of display screen on the display can be controlled only by the user's operation of the controlling button disposed on the portable terminal device. A general-purpose properties can be thus improved.
Moreover, the direction of the screen display on the display can be controlled in accordance with whether or not the user's fingers and palm come. into contact with a pressure sensor or a photo-detection sensor on any surface of a portable device body. Thus, the direction of 7 display screen on the display can be automatically controled in response to how the user holds the portable terminal device, without needing any user' s operation. An operability can be thus enhanced.
Furthermre, the pressure sensor or the photo-detection sensor can be arranged on the surface other than the surface having the -display, whereby there is no need for an additional space for the controling button for controling the direction of screen display on the display.
A miniaturization can be thus realized.
0.
0 0* BRIEF DESCPJPTICN OF THEI DRAWINGS 0. Preferred features of the present invention will now be described, purely by way of example only, with reference to the accompanying drawings, in which:- *e Fig. 1 is an external plan view of a general mrobile information Fig. 2 shows a circuit constitution of the mbile informxation *0* 000 terminal 1 shown in Fig. 1; Fig. 3 shows the circuit constitution of the mrobile information terminal 1 shown in Fig. 2 having an additional telephone function; Figs. 4a and 4b are external plan views of a mobile information terminal in which a screen display on a display of the rrobile information terminal is set along a long side and along a short side; Fig. 5 shows the circuit constitution of.
the mrobile information terminal shown in Figs. 4a and 4b; Fig. 6 is a flow chart for describing a controling operation of a direction of display on the display in 8 response to a user's operation in the mobile information terminal shown in Figs. 4a and 4b; Fig. 7 is a flow chart for describing the controling operation of the direction of display on a display 22 in response to the function for use in a mobile information terminal 21 shown in Figs. 4a and 4b; Figs. 8a and 8b are an external plan view and a perspective view of a preferred embodiment in which the screen display on the display of a first embodiment of a mobile information terminal is set along the o long side; Figs. 9a and 9b are an external plan view and a perspective view of a preferred embodiment in which the screen display on the display of the mobile information terminal shown in Figs. 8a and 8b is set along the short side; Fig. 10 illustrates an example of the display of a preferred enbodiment of the display in which a schedule function of the nobile information terminal shown in Figs. 8a and 8b is used; Fig. 11 shows the circuit constitution of a preferred enbodiment of the nobile information terminal shown in Figs. 8a nd 8b and Figs.
9a and 9b; Fig. 12 is an external plan view of a preferred embodiment in which the screen display on the display of a second embodiment of a mobile information terminal is set along the long side; Fig.-13 shows the circuit constitution of a preferred embodiment of the robile information terminal shown in Fig. 12; and Fig. 14 illustrates an arrangement of a preferred embodiment of C1 a pressure sensor.
DETAILED DESCRIPTION OF THE PREFERRED
RBODIMENTS
First, to facilitate understanding of the present a general mobile information terminal will be described with reference to Fig. 1, 2 and 3.
Fig. .1 is an external plan view of the general mo~bile information terminal.
In Fig. 1, a mrobile information terminal 1 has a rectangular 10 display 2 which is constituted by a LCD. This mrobile infoarmtion terminal 1 is designed so that contents displayed on the display 2 is displayed in a direction parallel to a long side. Thus, the contents displayed on the display 2 are always displayed parallel to a longitudinal direction and are not displayed -parallel to a short side.
Using Fig. 2, a circuit constitution of the mrobile infon-ntion terminal 1 shown in Fig. 1 will be described.
less see In Fig. 2, when data is inputted fran an input section 3 such as a touch panel or a button, the input data is processed in a controller 4. The input data is also stored in a storage 5 and displayed on the display 2. The input section 3 is operated, whereby the data stored in the storage 5 is read out and displayed on the display 2.
Among this type of mrobile information terminals, sar~e terminals have a telephone function. That is, they incorporate PHS in the bodiy thereof and are used as PHS telephone.
Using Fig. 3, the circuit constitution of the mrobile information terminal 1 shown in Fig. 2 having an additional telephone function will be described. The sane~ eleirents as the elemrents shown in Fig. 2 have.
the samre reference nurrrals.
In Fig.- 3, when the telephone function is used, a telephone nu-nber to be called is inputted from the input section 3. The telephone number to be called inputted frcn the input section 3 is transmitted/received fran an antenna 11 through a controller 6 and a radio section 10. When a voice is transmitted/received, an audio arrlifier 9, *a receiver 7 and a microphone 8 which serve as an input/output unit are used. When the data other than the voice is transmitted/received, the input section 3 and the display 2 are Used.
However, this type of portable tenminal device 1 has a problem.
of a serious lack of facilities, because the contents displayed on the display 2 are always displayed parallel to the longitudinal direction and are not displayed parallel to the short side. Now will be described in detail the present -invention with reference to Figs. 4 to 14.
In view of the above-mentioned problems, in a preferred embodiment t he present invention en hances an operability by controlling the direction of screen display on the display in accordance with whether or not the user' s fingers and palm cane into contact with a pressure sensor or a photo-detection sensor on any surface of a portable terminal device body.
Figs. 4a and 4b are external plan views of a screen display on the display of a portable terminal device or preferably a mobile information terminal set parallel to the long side of the display and parallel to the short side thereof.
In Fig. 4a, the screen display such as characters and symrbols is displayed parallel to the long side of the rectangular display on a display 22 such as LCD of a mrobile information terminal 21. In this situation, when the user operates a controlling button '23, the direction of screen display on the display 22 is controlled to the direction parallel to the short side as shown in Fig. 4b. Sirnilarly, in the state where the screen display is displayed a-long the short side on the display 22 in Fig. 4b, when the user operates the controllino button 23, the direction of screen display on the display 22 is controlled to the 'direction parallel to the long side as shown in Fig.
4a. The direction of a screen display can be switched altenatively.
Although the rectangular display is described in Figs. 4a and 4b,the display is not limnited to the rectangular display. A square display may be also used. That is, the screen display my be 0displayable in a transverse direction along each of two perpendicular 00 sides. In other words, the screen display may be displayed in a constant direction for the user, for exairple, in the transverse :i:direction, regardless of the direction of the mobile information terminal. The same is true of all the following errbodinients.
0.00 Using Fig. 5, the circuit constitution of the nrobile information terminal 21 shown in Figs. 4a and 4b will be described.
In Fig. 5, the data inputted fran an input section 24 is processed in a controller 25 and then stored in a storage 26. The input section 24 is operated, whereby the data stored in the storage 26 is read out and displayed on the display 22. The direction of display on the display 22 is selectively set to the display along the short side or the display along the long side by the user's operation of the controlling button 23. It is preferable that the input section 24 is the touch panel or the button.
Next, Fig. 6 is used so as to describe in detail the controlling operation of a direction of display on the display 22 in response to the user's operation in the mobile information terminal 21 shown in Figs. 4a and 4b.
In Fig. 6, a determination is made as to whether or not the user gave an instruction to control the direction of screen display, i.e., whether or not the controlling button 23 was operated (step 101). If it is determined that the user gave the instruction to control the direction of screen display (YES in step 101), it is determined whether.
S* :10 or not the direction of display on the display 22 is currently set to the direction of the long side (step 102). If the direction of display on the display 22 is set to the direction of the long side (YES in step 102), the direction of display on the display 22 is controlled and then the characters or the like are displayed along the short side (step 103). On the other hand, if the direction of display on the display 22 is set to the direction of the short side (NO in step 102), the direction of display on the display 22 is controlled and then the characters or the like are displayed along the long side (step 104).
If it is determined that the user gave no instruction to control the direction of screen display (NO in step 101), the characters or the like are displayed in the direction of screen display which is currently set (step 105).
In this manner, the user operates the controlling button 23 in accordance with the situation or the application, whereby the display screen on the display 22 is controlled between the direction of the short side and the direction of the long side.
In the state where the display 22 is set to the direction of the I short side, the display 22 can display not only the in formtion displayed during setting the direction of the long side but also the information required for the use of the telephone function, for example, a ten key or the like for inputting the telephone number. In this case, the inforation needed for the use of the telephone function should preferably be automatically displayed when the direction of screen display on the di splay 22 is set to the direction of the short side by operating the controlling button 23. Alternatively, a different button shown) frarn the controlling button 23 m-ay be operated by the user,..
10: whereby the information is displayed. On the other hand, as a matter .of course, the same is true of the contents displayed when the display :.22 is set to the direction of the long side during using the telephone function.
Fig. 7 is used so as to describe in deta-il the controlling *2*operation of the direction of display on the **.display 22 in the case of using the telephone function.
In Fig. 7, the detennination is made as to whether or not the operation for using the telephone function, for exarr~le, the push of the button (not shown) was performed by the user (step 201). If the opea"--ii for using the telephone function was performed (YES in step 201), the direction of screen display on the display 22 is autanaetically set to the direction of the short side (step 202). On the other hand, if the operation for using the telephone function was not performed (NO in step 201), the direction of screen display on the display 22 is autanatically set to the direction of the long side (step 203).
Figs. 8a and 8b are an external plan view and a perspective view of a preferred embodiment in whjich the screen display on the d~isplay of the portable terminal device or* preferably the mo~bile informtion terminal of a first emnbodiment *is set parallel to the long side of the display. Figs. 9a and 9b are an external plan view and a perspective view of a preferred emrbdijint in which the screen display on the display of the portable terminal device or preferably the mobile information terminal of the first enboirnent is set parallel to the short side of the display.
7(jIn Figs. 8a and 9a, a rrbile information tenrminal 31 has the functions of a telephone directory, an address book, a schedule, a rrem, etc. which are used in the formn of an electronic tool containing the necessary information which the user has put down in a datebook or the like. The mobile information terminal 31. also has PlM (personal 15 information management). function including the telephone function and an electronic mail function.
*..When the function of the schedule, the marro, etc. is used, the direction of screen display on a display 32 is typically along the long side. Thus, as shown in Fig. 8a, the mrobile information terminal 31 is laterally used and held. It is preferable that the display 32 includes LCD. Fig. 10 shows an exanpie of the display of a preferred embodiirrnt of the display 32 in which the schedule function is used.
On the other hand, when the telephone function is used, the direction of screen display on the display 32 is typically a-long the short side. Thus, as shown in Fig. 9a, the mobile information terminal 31 is longitudinally used and held.
In Figs. 8b and 9b, when the mobile information terminal 31 is lateralily used and held, pressure sensors 33 and 34 are disposed on the upper and lower surfaces of the mobile information terminal 31. WThen the mobile information terminal 31 is longitudinally used and held, the pressure sensors 33 and 34 are disposed on both the side surfaces of the mobile informtionl terminal 31. The user' s fingers and palm cca-e into contact with the pressure sensor 33 and/or the pressure sensor 34, whereby the direction of screen display on the display 32 is controlled.
That is, when the user uses and holds the mrobile infomtion terminal :31 laterally as shown in Figs. 8a and 8b, the user's fingers and palm.
1 ~0 do not comre into contact with the pressure sensors 33 and 34. Thus, S the screen is displayed along the long side on the display 32. On the other hand, when the user uses and holds the mo~bile information terminal 31 longitudinally as shown in Figs. 9a and 9b, the user's fingers and palm cawe into contact with the pressu-re sensors 33 and/or 34. Thus, the screen is displayed along the short side on the display 32.
In this way, the direction of display can be autcrnatically changed in accordance with the direction in which the user views the display.
Fig. 11, th circuit constitution of a preferred emnbodime~nt of the mobile information terminal. 31 shown in Figs. 8a and 8b and Figs. 9a and 9b will be described.
In Fig. 11, when the data is inputted f ran an input section the input data is processed in a controller 36. The data is stored in a storage 37 and displayed on the display 32. The input section 35 is operated whereby the data stored in the storage 37 is read out and displayed on the display 32. It is preferable that the input section is the touch panel or the button.
The direction of screen display on the display 32 is controlled by the controller 36 in accordance with whether or not the signal frarn the pressure sensors 33 and 34 is detected. That is, when the user's fingers and palm do not ca-ne into contact with the pressure sensors 33 and 34, the signal is not outputted frarn the pressure sensors 33 and 34.
Thus, the controller 36 controls the display 32 so that the direction of screen display is set to the direction of the long side. On the other hand, when the user's fingers and palmn carte into contact with the P prs u e sn os3*n*3 ,t e sg a s ot ut e nt ep es r h prsesensors 33 and 34 he the signal is ouputted fran the pressure sensors 33 and/or 34, the controller 36 controls the display 32 s0 that the direction of screen display is set to the direction of the shor-t side. The direction of screen display can be controlled in accordance .~3with, for examrple, whether a binary signal1 has one value or the other value, instead of whether or not the signal is detected.
*.*When the telephone function is used, the telephone number to be called is inputted fran the input section 35. The telephone number to be called inputted fran the input section 35 is transnmtted/rceiveci fran an antenna 42 through the controller 36 and a radio section 41.
When the voice is transmitted/received, an audio amplifier 40, a receiver 38 and a microphone 39 are used as the input/output unit.
When the data other than the voice is transmitted/received, the input section 35 and the display 32 are used.
In this manner, the display screen on the display 32 can be automatically controlled between the direction of the short side and the direction of the long side in response to how the user holds the [-7 mobile informtion terminal 31, without necessity of any oferation.
Since it is unnecessary to provide the controlling button 23 shown in Fig. 4, a miniaturization can be realized without addition of a new space for the provision of the controlling button.
The operation for controlling the display 32 in response to the operation performed by the user of the rrobile infonTation terminal..31 is the samre as the operation in a flow chart shown in Fig. 6. For avoiding the repeated description, the description is arnitted. it should be noted that step 101 shown in Fig. 6, "whether or not~ :10 the instruction to control the direction of screen display is given"' corresponds to "whether or not the user's fingers and palm cane into contact with the pressure sensors 33 and/or 34" in this embcdiment.
In the state where the display 32 is set to the direction of the short side, the display 32 can display not only the informtion 5 displayed during setting the direction of the long side but also the informtion required for the use of the telephone function, for example, the ten key or the like for inputting the telephone number. The information needed for the use of the telephone function should be preferably displayed automatically when the direction of screen display on the display 32 is set to the direction of the short side.
Alternatively, the button (not shown) rnay be operated by the user, whereby the informaation is displayed. Of course, the sarre is true of the contents displayed when the display 32 is set to the direction of the long side during the use of the telephone function.
The operation for controlling the display 32 in response to the function used in this =rbile information terminal 31 is the samr as the operation in the flow chart shown in Fig. 7. For avoiding the repeated 18 description, the description is critted.
Fig. 12 is an external plan view of a preferred embcoinent in which the screen display on the display of the portable teminal device or preferably the mo~bile information terminal of a second embodiment is set parallel to the long side of the display.
In Fig. 12, a rrbile information termninal 51 includes a recess 53 on the samne plane where a display 52 is provided. A photo-detection sensor 54 is arranged in the recess 53. It is preferable that this recess 53 is recessed so that it mpay fit the user's finger, rrre.
L6 particularly, the thumrb.
When the user laterally uses and holds the. Mrbile information terminal 51, the user's finger is put on the recess 53 in which the photo-detection sensor 54 is arranged. Since an external light is shut out in the photo-detection sensor 54, the screen is displayed along the long side on the display 52. on the other hand, when the user longitudinally uses and holds the mnbile inforrnation terminal 51, the user's finger is not put on the recess 53 in which the photo-detection sensor 54 is arranged. Since the external light is sensed by the photo-detection sensor 54, the screen is displayed along the short side on the display 52.
In this manner, the direction of screen display on the display 52 is controlled in accordance with whether or not the external light is sensed by the photo-detection sensor 54.
The operation for controlling the display 52 in response to the operation perforned by the user of the n-obile information terminal 51 is the same as the operation in the flow chart shown in Fig. For avo iding the repeated description, the description is anitted. it should be noted that step 101 shown i-n Fig. 6, "whether or not the instruction to control the direction of screen display is givenY' corresponds to "whether or not the external light is sensed by the photo-detection sensor 54" in this embodirrent.
1- Using Fig. 13, the circuit constitution of a preferred ernbodimrnt of the mrbile information terminal 51 shown in Fig. 12 will be described.
In Fig. 13, when the data is inputted frcn an i-nput section the input data is processed in a controller 56. The input data is then.
10 stored in a storage 57 and displayed on the display 52. The input section 55 is operated, whereby the data stored in the storage 57 is read out arnd displayed on the display 52. It is preferable that the input section 55 is the touch panel or the button.
The direction of screen display on the display 52 is controlled by the controller 56 in accordance with whether or not the signal frcm the photo-detection sensor 54 is detected. That is, when the user's fingers and palm are not put on the photo-detection sensor 54, the signal is not outputted frarn the photo-detection sensor 54. Thus, the controller 56 controls the display 52 so that the direction of screen display is set to the direction of the long side.- On the other hand, when the user's fingers and palm are put on the photo-detection sensor 54, the signal is outputted fran the photo-detection sensor 54. When the signal is inputted fran the photo-detection sensor 54, the controller 56 controls the display 52 so that the direction of screen display is set to the direction of the short side.
When the telephone function is used, the telephone nimber to be called is inputted fran the input section 55. The telephone numnber to Zo be called inputted f ran the input section 55 is transm-itted/received frcm an antenna 62 through the controller 56 and a radio section 61.
When the voice is transmitted/received, an audio amrplifier 60, a receiver 58 and a microphone 59 are used as the input/output unit.
When the data other than the voice is transmitted/received, the input section 55 and the display 52 are used.
In this manner, the display screen on the display 52 can be automatically controlled between the direction of the short side and the direction of the long side in response to how the user holds the .10 mo~bile informtion terminal 51, without necessity of any operation.
In the state where the display 52 is set to the direction of the short side, the display 52 can display not only the information displayed during setting the direction of the long side but also the information required for the use of the telephone function, for exam-ple, the ten key or the like for inputting the telephone number. The information needed for the use of the telephone function is auta-natically displayed, when the direction of screen display on the 9 9 display 52 is set to the direction of the shor-t side. However, the button (not shown) my be operated by the user, whereby the inforation is displayed. Of course, the same~ is true of the contents displayed when the display 52 is set to the direction of the long side during the use of the telephone function.
The operation for controlling the display 52 in response to the function used in this type of mo~bile information terminal 51 is the same as the operation in the flow chart shown in Fig. 7. For avoiding the repeated description, the description is cafitted.
Although the present invention is described above with reference to the preferred emb~odime~nts, the portable terminal device' of the present invention is not limited to the above emnbodiments. For exaiple, although the portable terminal device of this embdiment includes the two pressure sensors 33 and 34, the nu~mber of pressure sensors is not limited at all. Fig. 14 shows an exarcple in which one pressure sensor 74 is arranged. The photo-detection sensor 54 shown in Fig. 12 is replaced by the pressure sensor 74. That is, a mrobile infom-ation terminal 71 comprises a recess 73 on the samre plane where a display 72 is provided. The pressure sensor 74 is arranged in the recess 73. In.
this manner, the direction of screen display on the display 72 is automtically controlled in accordance with whether or not the user's finger comres into contact with the pressure sensor 74.
Moreover, a place where the pressure sensor is arranged is not limited at all. For exarple, in the portable terminal device of this *15 embodime~nt, the pressure sensors 33 and 34 are arranged on the upper **and lower surfaces or on the side surfaces with respect to the surface on which the display is arranged. However, even if the pressure sensor is arranged on the back surface opposite to the front surface on which the display is arranged, there is no problem. Oni the other hand, as shown in Fig. 14, the pressure sensor 74 m~y be arranged on the sama plane where the display 72 is arranged.
Moreover, the photo-detection sensor is the same as the pressure sensor in that the number thereof and its place are not limited.
In the portable terminal device of this embodimnent, when the user's fingers and palm care into contact with the pressure sensors 33 and/or 34, the direction of screen display on the display 32 is automratically controlled to the longitudinal direction. However, the 22 display 32 may be controlled in such a manner that the direction of screen display on the display 32 is not autcmatically controlled to the longitudinal direction until the user's fingers and palm crme into contact with both the pressure sensors 33 and 34.
In the portable terminal device of this embodiment, when the function of the schedule, the mremo, etc. is used, the direction of screen display on the display 32 is previously set to the direction of the long side. On the other hand, when the telephone function is used, the direction of screen display on the display 32 is previously set to 10 the direction of the short side. However, the control or the like (not shown) is operated by the user, whereby the direction of screen display oooo can be previously set in response to the function.
In the portable terminal device of this embodiment, the mobile information terminal is described as an exarrple. However, of course, the present invention can be also applied to a mobile telephone, a radio selective call receiver or the like.
Although the display is quadrilateral in the above-described embodiments, it may be elliptical. That is, obviously, as long as the direction of display is changed in two perpendicular directions within the display in response to the direction of the device, any shape is possible for the control of bidirectional electrodes on LCD.
As described above, the direction of display screen on the display can be controlled only by the user's operation of the controlling button disposed on the portable terminal device. The general-purpose properties can be thus improved.
Moreover, the direction of screen display on the display can be controlled in accordance with whether or not the user's fingers and palm come into contact with the pressure sensor or the photo-detection sensor on any surface of the portable terminal device body. Thus, the direction of display screen on the display can automatically controlled in response to how the user holds the portable terminal device, without needing any user's operation. The operability can be thus enhanced.
Furthermore, the pressure sensor or the photodetection sensor is arranged on the surface other than the S" surface having the display, whereby there is no need for an additional space for the controlling button for controlling the direction of screen display on the display. The miniaturization can be thus realized.
Obviously, numerous additional modifications and variations of the present invention are possible in light of the above teachings. It is, therefore, to be understood that within the scope of the appended claims, the invention may be practiced otherwise than as specifically described herein.
Statements in this specification of the "objects of the invention" relate to preferred embodiments of the invention, but not necessarily to all embodiments of the invention falling within the claims.
The description of the invention with reference to the drawings is by way of example only.
The text of the abstract filed herewith is repeated here as part of the specification.
Pressure sensors 33 and 34 are disposed on the upper and lower surfaces of the laterally held mobile information terminal 31 or on both the side surfaces of the longitudinally held mobile information terminal 31. The user's fingers and palm contact the pressure sensors 33 and 34, whereby a direction of screen display on a display 32 is controlled. Namely, when the user laterally holds the rmobile information terminal 31, the user's fingers and palm do not contact the pressure sensors 33 and 34. Thus, a screen is displayed along a long side on the display 32. when the user longitudinally holds the mobile infomation terminal 31, the user's fingers and palm contact the 1 pressure sensors 33 and 34. Thus, the screen is displayed along a short side on the display 32.
.o

Claims (15)

1. A portable terminal device comprising: display means for displaying data; Smeans for determining whether said portable terminal device is held by a user; and control means for automatically controlling a direction in which data is displayed on said display means according to an output of said determining means. 10 2. A portable terminal device as claimed in Claim 1, wherein said determining means is at least one of a 9 pressure sensor and a photo-detection sensor. ooooo
3. A portable terminal device as claimed in Claim 1 or 2, 15 further comprising: oee• means for automatically setting a tele'phone function when the direction of data display on said display means is ooo controlled by said control means.
4. A portable terminal device as claimed in Claim 3, wherein said display means is adapted to automatically display information about the telephone function when the direction of data di.splay on said display means is controlled by said control means. A portable terminal device as claimed in Claim 4, wherein said information about the telephone function is information for use in inputting a telephone number. 2(4
6. A portable terminal device as claimed in any preceding claim, wherein said portable terminal device is a mobile telephone.
7. A portable terminal device as claimed in any of Claims 1 to 5, wherein said portable terminal device is a radio selective call receiver. 10 8. A portable terminal device comprising: 0: display means for displaying data; means for detecting contact between the device and the ooo user; and control means for automatically controlling the direction of data display on said display means according *rr *to an output of said detecting means.
9. A portable terminal device as claimed in Claim 8, wherein said detecting means is at least one of a pressure sensor and a photo-detection sensor. A portable terminal device as claimed in Claim 8 or 9, wherein said detecting means is arranged on a surface other than the surface on which said display means is disposed.
11. A portable terminal device as claimed in Claim 8 or 9, wherein said detecting means is arranged on surface to the side of the surface on which said display means is disposed, in the condition where said portable terminal /2? 77 device is longitudinally held.
12. A portable terminal device as claimed in Claim 11, wherein said control means is adapted to set the direction of data display on said display means to a first direction when the user is in contact with detecting means arranged on one of said surfaces, and said control means is adapted to set the direction of data display on said display means to a second direction different from said first direction when the user is not in contact with said detecting means. eeelll
13. A portable terminal device as claimed in Claim 8, further comprising: at least one recess arranged on the surface on which said display means is disposed, said detecting means being disposed in said recess.
14. A portable terminal device as claimed in Claim 13, wherein said recess is shaped so that it confo ms to the shape of the finger of said user. A portable terminal device as claimed in Claim 8, further comprising: setting means for automatically setting the telephone function when the direction of data display on said display means is controlled by said control means. 28
16. A portable terminal device as claimed in Claim 8, wherein said display means is adapted to automatically display the information about the telephone function when the direction of screen display on said display means is controlled by said control means.
17. A portable terminal device as claimed in Claim 16, wherein said information about the telephone function is information for use in inputting a telephone number. i
18. A portable terminal device as claimed in Claim 17, wherein said portable terminal device is a mobile a 15 telephone. e*o
19. A portable terminal device as claimed in Claim 17, wherein said portable terminal device is a radio selective e ee call receiver. A method of controlling a direction of data display on a display of a portable terminal device, comprising the steps of: determining whether said portable terminal device is held by a user; and automatically controlling the direction of data display on said display in accordance with the result of the determination. I; S21. A method as claimed in Claim 20, wherein said controlling step further comprises the steps of: deciding whether the direction of data display on said display is previously set to a first direction, when it is determined that said portable terminal device is held by the user; displaying said data without switching the direction of data display on said display, when the direction of screen display is previously set to said first direction; and displaying said data by switching the direction of data display on said display to said first direction, when e. the direction of data display is not previously set to said first direction.
55.5 ego• S" 22. A portable terminal device substantially as herein S. ~described with reference to and as shown in any of Figures 8a, 8b, 9a, 9b, 11, 12, 13 and 14 of the accompanying drawings. 23. A method of controlling a direction of data display on a display of a portable terminal device substantially as herein described with reference to any of Figures 8a, 8b, 9a, 9b, 11, 12, 13 and 14 of the accompanying drawings.
AU91322/98A 1997-11-05 1998-11-04 Portable terminal device capable of controlling direction of screen display on display Ceased AU739713B2 (en)

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GB2331204B (en) 2000-04-19
AU9132298A (en) 1999-05-27

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