CN1337020A

CN1337020A - Electronic apparatus with display shared by different electronic modules

Info

Publication number: CN1337020A
Application number: CN00802930A
Authority: CN
Inventors: 约翰·昆廷·菲利普斯
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-01-21
Filing date: 2000-01-21
Publication date: 2002-02-20
Also published as: HK1040302A1; CA2360919A1; GB2345988A; KR20010101621A; ID29986A; GB9901354D0; GB2345988B; MXPA01007289A; AU3064900A; JP2002535769A; WO2000043864A1; EP1153341A1; BR0007667A

Abstract

A portable electronic apparatus comprises display means including a screen (2) and configured to be contemporaneously responsive to display control signals from a plurality of electronic modules (6, 7) so that the screen (2) is shared by said modules. Thus, the modules (6, 7) are separately responsible for data/signal processing functions and the display means is provided so that the different data/signal processing functions of the modules (6, 7) can share the display (2). This is different from the case of a portable computer with an anciliary card because, in the conventional portable computer, the computer's microprocessor generates the display control signals related to the operation of the anciliary card.

Description

Electronic equipment with display of sharing by different electronic modules

Invention field

The present invention relates to a kind of electronic equipment, this electronic equipment comprises display device and the screen of being controlled by this display device.

Background technology

Typical portable electric appts such as palmtop computer or communicator, computing machine/mobile phone mixture just, make up based on a kind of microprocessor, this microprocessor operation is such as WindowsCE or the such operating system program of EPOC.The function of this electronic equipment is provided by the application program of moving in the operating system environment and task specialized hardware such as radio circuit.

For portable electric appts, one of most important consideration is its battery life.For example, compare with the ASIC (application-specific IC) that carries out same task, the power consumption of general purpose microprocessor is quite big.

But power consumption is not unique Consideration, compares with general purpose microprocessor, also needs to obtain from custom circuit extra speed in some applications.

Although these above-mentioned characteristics are arranged, the present invention is not limited to portable electric appts.

Summary of the invention

Characteristics according to electronic equipment of the present invention are: display device is configured to respond simultaneously from the display control signal of a plurality of electronic packages so that screen can be shared by described assembly.Like this, each assembly just can act in accordance with the division of their functions and duties to data/signal processing function, and provides display device so that the different pieces of information/signal processing function of each assembly can be shared display.This situation with the portable computer with supplementary card is different, because in traditional portable computer, the microprocessor of computing machine produces the display control signal relevant with the operation of supplementary card.

The performed function of this equipment preferably, have at least an assembly to be easy to just can disconnect, so that can change.This or each assembly that is easy to just can disconnect can be held by the separation in the main body of holding display device (bay).But between assembly that can disconnect and display device, do not need physical connection.For example, this connection can be provided by Radio Link such as IR link.

Preferably, display device can be respectively each assembly and produce a window separately.More preferably, the window of an assembly can be hidden the firmly window of another assembly fully.More preferably, also comprise for example switching device shifter that optionally Audio-Frequency Transformer is connected with assembly of microphone or loudspeaker and being used for of Audio-Frequency Transformer, conversion equipment is connected Audio-Frequency Transformer in response to display device with the assembly with focus window.More preferably fixed-point apparatus is included selecting the point on the screen, and the position indication of exporting selected point to display device, display device has operationally comprised described position to its window on the basis of described indication assembly sends information.Fixed-point apparatus can comprise one and the coextensive tactile sensor of screen.

Electronic equipment according to the present invention preferably includes memory storage, and this memory storage comprises a storer and is used for optionally file from assembly to memory transfer with the device of storing He optionally file is transmitted to assembly from memory storage.More preferably, storer is a non-volatile solid state memory.

Preferably, display device comprises the storer that is used for the storage bitmap image, is used for receiving display control signal and the device of position being set and being used for device according to the content driven screen of storer at storer according to this signal from assembly.More preferably, the device that is used to receive display control signal has the input that is respectively applied for each assembly.But can use bus arrangement.More preferably, display device comprises: fixed-point apparatus, and the point that is used to respond on the user-selected screen produces screen location data; The content that is used for reference memory is determined described screen location data relevant with which assembly (if any) and the device that this screen position is sent to that assembly.

Description of drawings

Fig. 1 has shown according to first electronic equipment of the present invention;

Fig. 2 is the functional block diagram of the electronic equipment of Fig. 1;

Fig. 3 has shown according to second electronic equipment of the present invention;

Fig. 4 is the functional block diagram of the electronic equipment of Fig. 3.

The specific embodiment

Now will be by example embodiment with reference to the accompanying drawings to describe the present invention.

With reference to Fig. 1, portable electric appts comprises fuselage 1, and fuselage 1 comprises again: front 1a, The back (not shown), top (not shown), bottom 1b, the first side 1c, second side The face (not shown). The LCD 2 of illumination is installed on the 1a of front from behind. Loudspeaker 3 peaces Be contained between the top of back, LCD 2 and fuselage 1 of front 1a. Microphone 4 is installed in Between the bottom 1b of the back of front 1a, LCD 2 and fuselage 1. Wheat also is provided on the fuselage 1 Gram wind and earphone slot (not shown).

First to

fourth separation

5a, 5b, 5c and 5d can pass through first side of fuselage 1c In each hole enter.

Separation

5a, 5b, the cross section of 5c and 5d are rectangle, and side by side Be arranged in a straight line. Be each

separation

5a, 5b, the blind end of 5c and 5d provide respectively one The male member (not shown) of multiple connector.

Separation

5a, 5b, 5c and 5d can hold plug in

package

6,7,8 mutually with exchanging. In this example, first assembly 6 comprises mobile telephone circuitry and stretches out antenna 9. Second Assembly 7 comprises an ASIC who is used for carrying out time clock feature. The 3rd assembly 8 comprise one low The ROM of power microprocessor and a storage application program, the application program of storing comprises Word processor, spreadsheet and mapping program.

Each

assembly

6,7,8 all provide an indent plug with

separation

5a, 5b, 5c Cooperate with the male member of the end of 5d.

Also be

assembly

6,7,8 provide little ledge 8a, to help them from fuselage Take out on 1.

Insert first and

second assemblies

6,7, LCD 2 just demonstrates mobile phone user interface 10 Facsimile signal and the surface 11 of a clock. The lower right corner of LCD 2 comprises a zone 12, Be used for showing the

icon

13 and 14 of the

assembly

6,7 that inserts fuselage 1.

Scribble a touch-sensitive layer above the LCD 2, stylus 15 is kept at the end by fuselage 1 In the tubular opening of end 1b.

In

fact assembly

6,7, and 8 all are suitable for inserting

separation

5a, 5b, 5c and 5d. But An assembly can comprise that is used for inserting a

separation

5a, 5b, and the plug of 5c and 5d, this is inserted Head links to each other with having comprised its fuselage most of or all electronic units by a lead-in wire.

Power switch 16 is installed on the fuselage 1.

With reference to Fig. 2, fuselage 1 (Fig. 1) holds display driver circuit 21 and touch location sensing Circuit 22, with detect stylus 15 contact LCD 2 places point the position and export the seat of this point Mark. Display driver circuit 21 and touch location sensing circuit 22 are connected to LCD 2 and interface On the controller 23. Interface switch unit 24 between interface controller 23 and

assembly

6,7, And the route of the interface message between

Control Component

6,7 and the interface controller 23. Interface control Device 23 also links to each other with an Audio conversion unit 25. Audio conversion unit 25 is microphone 4 Link together with loudspeaker 3 and

assembly

6,7.

6,7 pairs of public nonvolatile memories of memory access switch unit 26 Control Components 27 access.

Interface controller 23 also links to each other with the illumination of control LCD 2 with back of the body lamp control circuit 28.

Battery 30 and voltage regulator 31 are that parts and the

assembly

6,7 in the fuselage provides electric energy. It also will be understandable that solar cell is used as power supply.

Assembly

6,7 can also comprise it Power supply separately, to be used for for example memory backup.

The generation of LCD 2 epigraphs is described now with reference to Fig. 1 and Fig. 2.

Icon area 12 is preserved for interface controller 23 and always carries out when equipment is opened Show.

Interface switch unit 24 receives from

assembly

6,7 and shows control message, and is if necessary just right It carries out buffer memory, then they is input to interface controller 23. These show control message also Be accompanied with the ID coding for identified

component

6,7. These ID encode for each

assembly

6, 7 can be unique, perhaps only is the type of

recognizer component

6,7, in this situation If lower two

assemblies

6,7 with identical ID are inserted simultaneously, will show error message. Interface switch unit 24 also receives the stylus location message from interface controller 23, and it Send to

assembly

6,7.

When

assembly

6,7 is at first inserted

slot

5a, 5b, 5c and 5d and when switching on, it is logical Cross interface switch unit 24 and send registration message to interface controller 23. Interface switch unit 24 ID is joined a table, and this table is used for ID is mapped to separation number. Separation number disappears from reception Can obtain in the input of breath. This message is passed to interface controller 23, and come with separation number The ID that replaces assembly. Then, interface controller 23 is the separation number adding from registration message In now tabulating with separation. After having sent registration message,

assembly

6,7 is controlled to interface Device 23 sends the source of screen request message. This

message definition assembly

6,7 desired demonstrations The size in zone. As seen from Figure 1, components of mobile phone 6 needs one and compares clock assembly 7 bigger display sizes. This message and all subsequent message all will by with in the table every The cabin number replaces assembly ID and makes amendment. After the source of screen request message,

assembly

6, 7 send icon messages. Interface controller 23 is defined by showing in icon area 12 Icon and icon messages is responded.

Afterwards,

assembly

6,7 sends and shows that control message is to arrange the initial demonstration configuration of oneself. These message comprise following combination:

The body of standard display unit such as button or square, and relevant parameter such as position and chi Very little;

Text with related font, size and positional information;

Has the position, the bitmap of shape and size parameter.

When interface controller 23 receives these message, at the base of received separation number Determine on the plinth that they should be relevant with which zone of internal RAM memory cell. Set then RAM The state of memory cell is to produce the expression of bitmap from received message. For example, if Message represents a button, so with regard to the drawing process of executive button so that suitable in RAM The place, unit produce the bitmap of button.

Interface controller 23 is gone back according to the z-order position of being correlated with

assembly

6,7 by reading RAM and the pixel of setting LCD 2 refresh LCD 2. Z-order 0 is assigned to and is gathered

Burnt assembly

6,7.

When

assembly

6,7 is carried out their function, they will send aobvious to interface controller 23 Show that control message is to upgrade their demonstration.

When the user touches LCD 2 with stylus 15, just detect coordinate and the handle of contact point This coordinate sends to interface controller 23. Whether interface controller 23 at first determines this contact point In icon area 12. Subsequently, if this contact point correspondence in an icon, interface control Device 23 just the z-order of

relevant assembly

6,7 be set to 0 and notification audio switch Unit 25,

assembly

6,7 is the assembly for being focused now. Then, the Audio conversion unit is 25 Microphone 4 and loudspeaker 3 couple together with the

assembly

6,7 that is focused.

Interface controller 23 also sends to focal length forfeiture message assembly 6, the 7 (vacations of first front focal length The assembly that fixed and the icon that touches are identified is different).

Assembly

6,7 so out of focus is just organic Can oneself be set to idle mode or sleep state to reduce energy consumption.

If contact point is not in icon area 12, interface controller 23 utilizes it aobvious to assembly The knowledge of diagram picture and their z-order is determined the position that being presented at of which assembly touched Put. If the exposed parts of the window that the zone of touching partly hides corresponding to a quilt, that This window just is moved to z-order position 0, and 25 of Audio conversion unit are notified

relevant Assembly

6,7 is the assembly for being focused now, but also to 6,7 of the assemblies that before had been focused Send focal length forfeiture message. Under any circumstance, interface controller 23 all can be from touching the position The absolute coordinate of putting sensing circuit 22 is converted to the relative coordinate with respect to the window that touches. Then these coordinates with to send with charge free to number being sent to together by the separation of the

assembly

6,7 of focal length Interface switch unit 24; Message from interface switch unit and

assembly

6,7 does not need ID. When

front assembly

6,7 will respond according to its internal logic.

When interface controller 23 current not processes and displays message and produce the stylus location message The time, it can periodically carry out poll to determine whether they still exist to

assembly

6,7. Do not reply if receive from

assembly

6,7, this assembly will be moved out of the component list and handle The bitmap of this assembly window and its icon wipe out.

Interface controller 23 is controlled back of the body lamp (if lamp is carried on the back in use by back of the body lamp controller 28 Words), just be illuminated so that only have by the window of the assembly of focal length. Back of the body lamp is by independent operation Lamp source array forms.

Provide memory 27 so that

assembly

6,7 can swap data. Memory switch unit 26 Remain with the catalogue of memory 27 Files.

Will be in memory 27 during storage file when

assembly

6,7, it is to the memory switch unit 27 send message, and this message comprises name and the size of file. The memory switch unit 26 then Meeting is the file allocation space in memory 27 and asks the assembly Transmit message.

Assembly

6,7 will Respond, file is sent to memory switch unit 26, this unit is stored in file In the reservoir 7, and it is added in the catalogue.

Assembly

6,7 obtains by sending the directory listing request message to memory switch unit 26 Get the listed files in the memory 27.

When

assembly

6,7 was wanted file reading, it sent to memory switch unit 26 and reads file Message, this message comprises the name of this document. If this document exists, the memory switch unit 26 just read this document and it are sent to

assembly

6,7 from memory 27, otherwise just return An error message.

Can also answer the request of

assembly

6,7 that file is deleted.

Assembly

6,7, the communication between memory and the

interface switch unit

24,26 can be strings OK, parallel or the two mixed type. Selecting serial or parallel is between speed and the connection complexity The result who coordinates.

The structure that is understandable that component internal is essentially uncorrelated. Important consideration is They are connected with the shared components of system. In fact, provide for the assembly in above-described embodiment Connector component connect to carry out message, and optional file transfer and audio frequency input are defeated Go out. The operation of

assembly

6,7 must comprise above-described enrollment process and be controlled by interface The generation of the standard interface message that device 23 is identified. Optionally, assembly can be according to its institute's energy Message and the memory switch unit 26 understood interact, and the forfeiture of response focal length disappears Breath is carried out conservation measures.

In another alternative embodiment, icon area 12 by on the fuselage 1 with each The button that separation is relevant replaces.

With reference to Fig. 3, portable electric appts comprises fuselage 101, and fuselage 101 comprises again: front Face 101a, the back (not shown), the top (not shown), bottom 101b, the first side 101c, The second side (not shown). The LCD 102 of illumination is installed on the 101a of front from behind. Microphone and earphone socket 103,104 are positioned on the first side 101c of fuselage 101.

Separation 105 can be by fuselage 101 the hole of bottom 101b enter. Separation 105 Cross section is rectangle. The plug-in type of a multiple connector is provided for the blind end of separation 105 The accessory (not shown).

Separation 105 can hold plug in package 106 mutually with exchanging. In this example, assembly 6 comprise an ASIC who is used for realizing diary function. Be used for realizing the ASIC position of time clock feature In fuselage 101.

For assembly 106 provides an indent male component to join with the plug-in type of separation 105 ends Part cooperates.

Also for assembly 106 provides little ledge 106a, to help it from fuselage 101 Upper taking-up.

LCD 2 shows the facsimile signal of diary page or leaf 110 and the surface 111 of a clock.

Scribble a touch-sensitive layer above the LCD 2, stylus 115 is kept at by fuselage 101 In the tubular opening of bottom 101b.

In fact assembly 106 is suitable for inserting separation 105. But an assembly can comprise one Individual plug for inserting separation 105, this plug is by a lead-in wire and comprised its major part Or all the fuselage of electronic unit links to each other.

Power switch 116 is installed on the fuselage 1.

With reference to Fig. 4, fuselage 101 (Fig. 3) holds display driver circuit 121 and touch location Sensing circuit 122 contacts position and the output of the point at LCD 102 places to detect stylus 115 The coordinate of this point. Display driver circuit 121 and touch location sensing circuit 122 are connected to LCD 102 and interface controller 123 on. Interface switch unit 124 between interface controller 123 with Between internal clocking and the plug-in type diary assembly 106,107, and Control Component 106,107 Hes The route of the interface message between the interface controller 123. Interface controller 23 also with a sound Frequently switch unit 125 links to each other. Audio conversion unit 125 is microphone and

loudspeaker socket

103, 104 link together with assembly 106,107.

Public non-volatile of 106,107 pairs of memory access switch unit 126 Control Components The access of memory 127.

Interface controller 123 also links to each other with control LCD's 102 with back of the body lamp control circuit 128 Illumination.

Battery 130 and voltage regulator 131 are parts and the diary assembly 106 in the

fuselage

101, 107 provide electric energy. It also will be understandable that solar cell is used as power supply. The diary assembly 106 can also comprise its power supply separately, to be used for for example memory backup.

The generation of LCD 2 epigraphs is described now with reference to Fig. 3 and Fig. 4.

Interface switch unit 124 receives from assembly 106,107 and shows control message, if must To just carry out buffer memory to it, then they are input to interface controller 123. These show control Message processed also is accompanied with the ID coding for recognizer component 106,107. Interface switch unit 124 Also receive the stylus location message from interface controller 123, and they are sent to assembly 106,107.

When plug in package 106 was at first inserted slot 105 and switches on, it was cut by interface Change unit 124 and send registration message to interface controller 123. Intraware 107 is being established at every turn Send registration message during standby energising. Interface switch unit 124 joins a table to ID, should Table is used for ID is mapped to separation 105 or intraware 107. ID obtains from separation 105 The fact be to obtain from the input that receives this message. This message is passed to interface controller 123, and with separation number replace assembly ID (intraware 107 can be considered to separation " 0 ", 105 of separations can be considered to separation " 1 "). Then, interface controller 123 is coming From the separation of registration message number join existing with the separation tabulation in. Sent registration message it After, assembly 106,107 sends the source of screen request message to interface controller 123. This disappears Breath has defined the size of assembly 106,107 desired viewing areas. As seen from Figure 3, Diary assembly 106 needs a viewing area bigger than clock assembly 107. This message and All subsequent message all will be by number to replace assembly ID to carry out from the separation of this table Revise.

Afterwards, assembly 106,107 sends and shows that control message is to arrange the initial demonstration of oneself Configuration. These message comprise following combination:

Standard display unit such as button or foursquare characteristic, and relevant parameter such as position and chi Very little;

Text with related font, size and positional information;

Has the position, the bitmap of shape and size parameter.

When interface controller 123 receives these message, at the base of received separation number Determine on the plinth that they are relevant with which zone of internal RAM. It is single to set then the RAM storage The state of unit is to produce the expression of bitmap from received message. For example, if message table Show a button, so with regard to the drawing process of executive button in case in RAM suitable unit The place produces the bitmap of button.

Interface controller 123 also refreshes by the pixel that reads RAM and set LCD 102 LCD 102.

When assembly 106,107 was carried out their function, they will be to interface controller 123 Send and show the display screen 110,111 of control message to upgrade them.

When the user touches LCD 102 with stylus 115, just detect the coordinate of contact point And this coordinate sent to interface controller 123. Interface controller 123 utilizes it aobvious to assembly The knowledge of diagram picture is determined the position that being presented at of which assembly touched. The window that contacts with this Corresponding assembly 106,107th, the assembly that is focused and notification audio switch unit 125 Relevant assembly 106,107 is now the assemblies for being focused, but also to before being focused Assembly 106,107 sends and focuses on forfeiture message. Audio conversion unit 125 passes through microphone Link to each other with the assembly 106,107 that is focused with loudspeaker slot 103,104 and respond.

Interface controller 123 is converted to the absolute coordinate from touch location sensing circuit 122 Relative coordinate with respect to the window that touches. Then these coordinates with to send with charge free to by focal length The separation of assembly 106, No. 107 send to together interface switch unit 124; Cut from interface The message of changing unit 124 and assembly 106,107 does not need ID. The assembly 106,107 that is focused Will respond according to its internal logic.

When interface controller 123 current not processes and displays message and generation stylus location message The time, it can periodically carry out poll to determine whether it still exists to plug in package 106. Do not reply if receive from plug in package 106, this assembly will be moved out of the component list And the bitmap of its window wiped out.

Interface controller 123 is controlled back of the body lamp (if use back of the body lamp by back of the body lamp controller 128 Words), so that the window of the assembly that only is focused just is illuminated. Back of the body lamp is by independent operation Lamp source array form.

Provide memory 127 so that assembly 106,107 can swap data. Memory switches Unit 126 remains with the catalogue of memory 127 Files.

Will be in memory 127 during storage file when assembly 106,107, it is cut to memory Change unit 27 and send message, this message comprises name and the size of file. Memory is cut then Change unit 126 can be in memory 127 for the file allocation space and ask assembly 106,107 Transmit message. Assembly 106,107 will respond, and file be sent to memory switch single Unit 126, this unit is stored in file in the memory 107, and it is added in the catalogue.

Assembly 106,107 can be asked by send directory listing to memory switch unit 126 Ask message and obtain listed files in the memory 127.

When assembly 106,107 was wanted file reading, it sent to memory switch unit 126 Read file message, this message comprises the name of this document. If this document exists, memory is cut Change unit 126 and just from memory 127, read this document and it is sent to assembly 106,107, Otherwise just return an error message.

Can also answer the request of assembly 106,107 that file is deleted.

Assembly 106,107, the communication between memory and the interface switch unit 124,126 can Being serial, parallel or the two mixed type. To select serial or parallel be speed and be connected complexity The result who coordinates between the property.

The structure that is understandable that component internal is uncorrelated basically. Important consideration is They are connected with the shared components of system. In fact, be the plug-in type group in above-described embodiment Part provides connector component to connect to carry out message, and optional file transfer and audio frequency are defeated Enter output. The operation of assembly 106,107 must comprise above-described enrollment process and by The generation of the standard interface message that interface controller 123 is identified. Optionally, assembly can make Interact with its message to understand and memory switch unit 126, and response is burnt Carry out conservation measures apart from forfeiture message.

Clearly can find out from foregoing: the invention provides a kind of electronic equipment, at this Display unit can interact with a plurality of display control signals source independently in the equipment.

Claims

1. electronic equipment, this equipment comprises: display device (23,24; 123,124) and the screen of controlling by this display device (2; 102), it is characterized in that: display device is configured to respond simultaneously from a plurality of electronic packages (6,7,8; 106,107) display control signal so that screen can be shared by described assembly.

2. according to the electronic equipment of claim 1, wherein assembly (6; 7; 8) can disconnect from display device (23,24) at an easy rate.

3. according to the electronic equipment of claim 1, one of them assembly (107) carries out integrated encapsulation together with display device (123,124), and another assembly (106) can disconnect from display device (123,124) at an easy rate.

4. according to the electronic equipment of claim 1,2 or 3, wherein display device (23,24; 123,124) be each assembly (6,7,8; 106,107) produce a window respectively.

5. according to the electronic equipment of claim 4, the window of one of them assembly can be hidden the window of another assembly fully.

6. according to the electronic equipment of any one claim of front, comprising: by the memory storage of storer (27,127) composition; Be used for optionally file from assembly (6,7,8; 106,107) to memory transfer with store and optionally file from memory storage to assembly (6,7,8; 106,107) device that transmits (26,126).

7. according to the electronic equipment of claim 6, wherein storer (127) is a non-volatile solid state memory.

8. according to the electronic equipment of claim 4 or 5, comprising: Audio-Frequency Transformer (3,4) and switching device shifter (25; 125), switching device shifter is used for selectively Audio-Frequency Transformer (3,4) and assembly (6,7,8; 106,107) link together, wherein switching device shifter (25) response display device (23,24; 123,124) and Audio-Frequency Transformer (3,4) with have the assembly (6,7,8 of focus window; 106,107) link together.

9. electronic equipment according to Claim 8, comprise: microphone (4) and loudspeaker (5), wherein switching device shifter (25) operationally responds display device (23,24) with microphone (4) and loudspeaker (5) and the assembly (6 with focus window, 7,8) link together.

10. according to the electronic equipment of claim 4, comprising: indicating device (15,22; 115,122), be used to select screen (2; 102) point on and to display device (23,24; 123,124) indication of the position of the selected point of output, wherein display device (23,24; 123,124) operationally on the basis of described indication, include the assembly (6,7,8 of described position to its window; 106,107) transmission information.

11. according to the electronic equipment of claim 10, wherein fixed-point apparatus (15,22; 115,122) comprise and the coextensive tactile sensor of screen (2,102).

12., comprise fuselage (1 according to the electronic equipment of claim 2 or 3; 101), it comprises display device (23,24; 123,124) and have and be used to receive each and be easy to the assembly (6,7,8 that just can disconnect; 106) separation (5a, 5b, 5c, 5d; 105).

13. according to the electronic equipment of any one claim of front, wherein display device (23,24; 123,124) comprising: storer is used for the storage bitmap image; Be used for from assembly (6,7,8; 106,107) receive display control signal and the device (24,124) of position is set in storer according to this signal; Be used for device according to the content driven screen of storer.

14., wherein be used to receive the device (24 of display control signal according to the electronic equipment of claim 13; 124) has an input respectively for each assembly.

15. according to the electronic equipment of claim 13 or 14, wherein display device (23,24; 123,124) comprising: indicating device (15,22; 115,122), be used to respond user's selected point on screen and produce screen location data; The content that is used for reference memory is determined described screen location data and which assembly (6,7,8; 106,107) relevant, if any, and this screen position to that assembly (6,7,8; 106,107) device of Fa Songing (23,123).

16. portable electric appts according to any one claim of front.