WO2002073433A2 - Method and assembly for displaying tasks - Google Patents

Method and assembly for displaying tasks Download PDF

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Publication number
WO2002073433A2
WO2002073433A2 PCT/DE2002/000410 DE0200410W WO02073433A2 WO 2002073433 A2 WO2002073433 A2 WO 2002073433A2 DE 0200410 W DE0200410 W DE 0200410W WO 02073433 A2 WO02073433 A2 WO 02073433A2
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WO
WIPO (PCT)
Prior art keywords
task
object
spatial
associated
displayed
Prior art date
Application number
PCT/DE2002/000410
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German (de)
French (fr)
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WO2002073433A3 (en
Inventor
Thomas Ryll
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE10111192 priority Critical
Priority to DE10111192.4 priority
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2002073433A2 publication Critical patent/WO2002073433A2/en
Publication of WO2002073433A3 publication Critical patent/WO2002073433A3/en

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management, e.g. organising, planning, scheduling or allocating time, human or machine resources; Enterprise planning; Organisational models
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/95Retrieval from the web
    • G06F16/953Querying, e.g. by the use of web search engines
    • G06F16/9537Spatial or temporal dependent retrieval, e.g. spatiotemporal queries

Abstract

The invention relates to a method for displaying tasks, to which a time and a location are assigned. The advantage of the method is that only the tasks are displayed that are pertinent to the current location of the user.

Description

description

Method and arrangement for displaying tasks

The invention relates to a method and an arrangement for displaying tasks. In particular, this arrangement relates to mobile communication devices such as Personal Digital Assistants (PDA's) or mobile terminals.

The use of diaries has long been known. The basic idea of ​​a schedule is to remind you of a task that should be done, for example, at any given time. Schedule are ten known in a variety of AusführungsVaria. In recent years, the use of electronic diaries has increased greatly. This electronic diary are for example in stationary devices such as PCs, but also in mobile devices, such as so-called PDA (personal digital assistant). The user enters this one a task that is connected to a fixed point in time, so a date. The user is then recalls a reasonable period of time prior to that date to the date, for example, by an acoustic signal. The memory is thus purely time-dependent.

The disadvantage can affect that the user of the schedule but is not at this time in the place, which is important for the task reminder for him is here. For example, the memory of a task in the house makes no sense when the user is away from the house.

Therefore, the invention has the objective technical object to overcome this drawback.

This object is solved by the features of the independent claims. Further developments of the invention emerge from the dependent claims. According to the invention an object is displayed in function of the location. For this purpose, the task is assigned to a first spatial region, which vergli- with the current location is chen. If there is a local agreement, the task appears.

A first spatial location, for example, a supermarket, which may be assigned to the task "Shopping". The size of the first spatial range depends on the accuracy with which it is associated with a particular geographical position: For example, the position of the supermarket may be determined to within a few meters, it may be known only to the cell of a cellular network on the Cell ID, in which the supermarket or the city, for example on the LAI (Location Area Identifier). In one embodiment of the first spatial region is bound to the position of a person or an object. For example, an object with a transmitter off can be prepared by means of which its position can be determined. The position of a person is known, for example, if it leads an activated mobile station with him. First spatial areas can be entered by the user or because of an access to a database in which a relationship between the application and the first spatial region is stored, to be available. The invention includes both manual and automatic associations between tasks, and first spatial areas.

The location is a region of space whose area depends on the type of position determination. For example, a particular spatial coordinate is determined which is then connected to a space area due to the inaccuracy of the determination method. Methods such as GPS are (Global Positioning System), the use of the location area ID (LAI) or the Cell ID for the position determination, known triangulation between base stations, as well as, for example, time measurements within a mobile radio cell.

The object is displayed when the current location within the object of the associated first spatial range. So the first spatial area triggers display of the task. The condition "current location in the first spatial domain" indicates that, for example, the intersection of the surfaces of the first spatial region and location is non-zero. This includes, inter alia, the following: the current location is located entirely within the first spatial region, or at the edge of the first spatial region or there is any intermediate stage between these two extremes before. Depending on the used determination methods, the area of ​​residence may be greater than that of the first spatial region, under certain circumstances. This case is also included by the above definition. The definition of condition and user requirements can be designed accordingly.

The above described method for displaying task runs on an arrangement which comprises an input device, a storage device, a display device, a unit for determining the current location, and a processor means. This may be be a communication device such as a PDA or a mobile terminal. The input device and the display device, which may be made in multiple parts may be assigned to the communication onsgerät or wired with it or be connected wirelessly. The same applies to the memory device, the unit for determining the current location, and the processor means. A function, such as the display of the object is perceived by the most appropriate part of the body or unit: This can be the case of displaying of tasks, for example in the office to be the display of the PC and on the way the display of the mobile terminal.

An advantage of the invention is that the user will only recall tasks, it is in the right place for their settlement.

A development of the invention provides that the task is assigned to a first spatial region adjacent to a time domain. It is now determined, and the object appears when additionally represent the time range associated with the object and the determined current time with each other in a fixed ratio and the current time. Under the time domain a closed time interval such as from 8.00 can be understood to 19.00, or even a one-sided open time interval such as from 01/20/01 or until 25/01/01. It is also possible to have multiple time ranges, not related to combine, about at 20:01. 14:00 to 18:00 and 29.01. 19:00 to 20:00.

Under a fixed ratio from the coincidence is meant, for example of currently determined time and the time domain, which is associated with the task. Similarly, however, the display can in a certain period before the

be time region which is associated with the task. The determination of the time may for example be effected by means of a time measurement on the communication device or it can take over the time from the network.

In one embodiment of the time range is causally linked to another task, such as with the condition "display when done Another object".

In another variant conversation tasks are displayed only during the presence of the interlocutors. An advantage of this development is that a space-time is defined with the coordinates of locations and time, which is unique.

Another development of the invention is that the size of the first spatial region is adjustable. This provides the user open to adjust the display of the task to the nature of the task. For example, a very small first spatial location for an object in the office can be selected for an object in the center, a larger. The advantage of this training is an increased comfort for the user.

Another development of the invention is that the time range within which the object is displayed, is adjustable. This increased flexibility of user comfort is also increased.

Another development of the invention provides that the representation of the object, depending on how great the distance to the task associated with the first spatial region, is different. For example, a variation of the volume possible with an acoustic signal, such that the intensity is a function of the distance. Likewise, can be about visually and acoustically, change the display between the species. Advantageous that the user a sort of prioritization is proposed affects it out.

A further advantageous development of the invention is that the user leaving and / or entering a task assigned to a first spatial region is signaled. The advantage of this is that a task is even less likely to forget by this additional memory. In another development, in the case of a manual assignment of the task and the first spatial region to facilitate this to the user by pre folders are offered to him, which a first accomodat - associated Licher area. These folders can z. be as the folder "Shopping", the folder "Office", the "work" folder or the "Leisure" folder. A new task can then be moved into one of these folders and then automatically assigned to the location, which is associated with the entire folder. This allows the user comfort is also increased.

Another development provides that the association between a task and a first spatial area after completion of the task is disabled, so there is no memory of the task when the user enters this first spatial area. If the same object re-entered, the assignment is activated again so that the user does not again even exist a mapping between the first assembly and the spatial domain must be done. It is also possible that if the task for example, was already assigned more first spatial regions, the user is provided a list in which the existing assignments appear and he can select one of these assignments.

In one embodiment, the limitation to same tasks is not required, it is, for example, a definition of criteria possible, the same first spatial area is allocated in the different tasks denominated. As an example, about the purchase of milk and vegetables can lead. Both fall under the generic term "food" and so the first spatial area "supermarket" assigned. Likewise, this deactivation or activation is possible for temporal areas. For example, as the task "grocery shopping" zero administration can be reassigned to the store opening times.

Advantage of these developments is a reduction of the organizing effort for the user.

With a variety of tasks the user must prioritize between these tasks. A development of the invention therefore provides that the display of tasks in dependence assigned by one of the task Priorisierungsin- formation takes place. This prioritization information may be assigned to the task, for example, directly at the input, as well, however, be entered at a later date or changed. The advantage is is the user of the to be handled by him tasks in a better overview.

Another development is that the task is assigned to a further, second spatial area. This second region has a spatial not larger area than the first spatial area and is located within the first spatial region. If now the user in the first spatial range that he can choose whether he wants to be led to the second spatial region. can lead this round take place as the specialist well-known navigation services. The details of the method to lead to the second spatial area depends inter alia on the used communication device, in particular the size of the display. As an example of first and second spatial regions one can cite as the first spatial area about the center of the object "buying skis", the second spatial area is then a shop in the city center. The advantage of this is that a user-zer who does not know the locations, will be led directly to the desired location by means of a device that he already uses to manage its duties. Another development is that the association between object and a spatial region by means of a graphical user interface in the form of a card takes place. Examples game, the user could on an electronic

Map click on a site, making the association between task and place occurs. this is advantageous to quickly enter and the clarity of the input method.

In the following the invention will be explained with reference to a number of selected embodiments, illustrated in the figures. Show it

Figure 1 illustrates an exemplary arrangement of the different spatial regions, Figure 2 shows the schematic sequence in memory of an object in which the data is stored in a communication device, Figure 3 shows the schematic sequence for Reminding an object, in which the data are stored in the network , Figure 4 is an exemplary implementation of the Aufgabenverwal- processing in the network, Figure 5 is a schematic embodiment of a processor unit which is suitable to perform the inventive method, and may be part of the arrangement of the invention.

1 shows a section of a city plan can be seen. A first spatial area 1 is marked by a circle. Two further second spatial regions are indicated by rectangles 3 and 5. FIG. It is now, for example, the task "milk purchasing" entered. As a first spatial region of this task is associated with a shopping mall. The mall is allocated, for example, via the mobile radio cell or local area, in which it is located a geographical position. The Local Area ID allows a determination of a larger spatial area in which the user is located. This size is already known, for example for users of mobile networks: To the location management, so that to make the knowledge of the current location of the user, effective are individual cells of a mobile network (PLMN: Public Land Mobile Network) (so-called location areas LA) combined. Each LA a PLMN has its own code, which is hierarchical and internationally unique, the location area ID (LAI).

Furthermore, the course of the cell identity (Cell ID) can be used the mobile radio cell for determining the position. The accuracy of this method then depends on the size of the mobile radio cell.

The size of the first spatial region depends not only on the type of calculation method, but also by the user request, the urgency of the purchase, the number of other tasks as well as the average speed of travel of the user. For example, the first spatial area can be greater, the more urgent is the purchase. Also, the first spatial area can with an increasing number of other tasks will be smaller. Furthermore, depending the size of whether the user is moving on foot or by car.

The task is now displayed when the user in egg ne specified geographical area to a shopping center, which is located in the city, is located.

The task "milk shopping" further relates to a second spatial region associated with, for example, a supermarket. In the example shown two second spatial regions to see 3 and 5, which are intended to represent the position of supermarkets in the shopping center.

The user's location can be determined in different methods, for example GPS, averaging methods on the Cell ID, by triangulation between base stations or mobile ER within a cell, such as the Timing Advance method.

When determining the position data via GPS the co mu delivers nikationsgerät even the position data. Using GPS, an accuracy of localization in outdoor areas within a few meters possible.

The location determination with the aid of a plurality of base stations or base station is well known in the art. The accuracy of the final process depends among other things on the user's location within a cell.

As soon as an overlap between the first spatial region and the current location is present, the object is displayed. The display of the object can be carried out differently depending on where it is stored, for example in the communication device or in the network. In the latter case, the notification may for example, via a text message.

Similar to the hand-over conditions also for the display of the object are of course possible, such that the user in a specific time is located within the first spatial region. The condition for the display of a task can be variable course: In the case of very few tasks, the task is already displayed, if the intersection between the current location and the first spatial region is not zero, in the case of many tasks, however, is only indicated if the current up enthaltsort lies completely in the first spatial domain.

The user who is now in the first spatial area can now choose whether he wants to be put forwards for the second spatial region. The lead is carried out as in the well-known those skilled navigation services. Which of the two spatial regions 3, 5 is displayed, for example, depends on whether the user at the input enters the first spatial region 1 closer to the second spatial region 3 or is closer to the second spatial region. 5 Likewise, the current time can be compared to the opening times of the two supermarkets. Is only egg ner opened during the current time, this second spatial area is the valid one. The opening times for can. B. be queried in a database on the network or be stored from the last milk Shopping ago. Similarly, you can query where the milk is cheapest currently and the user is then guided to the respective second spatial area.

Is a task done, so the memory function is deactivated. The completion of the task, for example, via a selection dialog box. Likewise, the touching object is possible with a pen when using a PDA. Comes the task in the event of a task storage in the network by means of an SMS to indicate the answering or deleting the SMS could signal the completion of the task. For deleting the task, for example, after a shopping it is also possible that the bar code using a bar code reader is scanned at the communication device and thus the object is deleted.

Figure 2 shows the schematic sequence of input, storage and memory of an object, wherein the data are stored in the communication device, such as the mobile terminal. In the flowchart, three levels are shown below: The user level 9 (U: User), the device level 11 (D: Device) and the network level 13 (N: Network). In a first

Step is performed, the input 15 of the data. This may be by the user by means of the communication apparatus or device, which is wirelessly or wired connected to the communication device to be made. So to enter the tasks it is also possible to use the input device of a PC. The data can be transmitted to Kommunikationsge- advises, for example by means of an infrared interface, Bluetooth or a data cable.

The input unit may further be realized from the above options, for example, by a keyboard, an electronic pen, a data cable, voice input or the like or combinations thereof.

Subsequently takes a decision 17 instead (DD: Decisi- on Decider) whether the association between job and location is done automatically or by the user. decides the user to make this association between place and task itself, it receives a display 19 (DL: Display Location) of the places that had already been assigned the task conces-. Due to this display, the user makes the decision 21 (DL: Decision location), which location will be associated with the task. There now takes place the assignment 23 (A: Assignment) between the application and the first space region. A storage 25 (FS: File Safe) this assignment is carried out in the device, for example a Mobi1funk terminal. The position data (PD: Position Data) supplied, for example in the form of the Cell ID from the network. If a GPS device used to determine the position data, this data is determined directly at the device level. 11 If now the position data provided by the network 27, so the device asks from this and takes a local comparison 29 between the actual position data 27 and the stored first spatial areas before. There is a match, so is the task, the first spatial area in conformity with the current position data to the display 31 (DT: Display

Task). The definition of the "match" is related to the calculation method of the position data and the associated local inaccuracy.

In Figure 3, this process now shown, except that the association between the first object and the spatial domain automatically, that is ER- example, at the network level 13 follows. After entering 15 the object, the decision is made 17 whether the association between object and the first spatial area by the user or automatically. When deciding on an automatic allocation decision 19 is performed with respect to the first spatial area at the network level 13. In order to make this decision, there may be stored earlier associations between the first spatial areas and tasks. Likewise, however, access to databases is also conceivable, for example, in which about opening times of shops are found. Then, also the mapping 23 and the storage of the data 25. The current position data 27 are determined and carried out associated with tasks first spatial areas compared (comparison 29). If they match, the object is at the device displayed (31). If several tasks displayed, this can occur for example by means of a list on the display. This list can be sorted, for example, according to the degree of overlap between the current location and the first spatial region, according to the temporal input tasks or to the art. Furthermore, the list can be designed so that a minimum way for the user results (Traveling Salesman Problem). Automatic and manual input are naturally not tied to network or user level: The supply order between object and the first spatial area can manually by the user or automatically for example by means of an access to a database in the matching tasks to first spatial areas are stored, carried. The database can be, as stated in the overall advises themselves or are in the network.

Figure 4 shows an exemplary implementation of the task management in the network. The core is an intelligent network 33 (IN: Intelligent Network), which is a database 35 (DB: Data Base) accesses. This database 35 each task 37 (T: task) for the various customer C and C (C: Customer) stored. For each customer 38 or 39, there is a list of places Ll, L2 or L3 and L2 Ll x, L3 '(L: Location), etc. Each of these places is a list of tasks, in so assigned by Tl_i. This assignment may depend also on other parameters than the point, of course, for example by time.

The intelligent network 33 accesses a Ortsermittlungs- unit 41 (LS: Location Server) to. This Ortsermittlungs- unit such as the Home Location Register (HLR) can be. If a match between the current position data and the stored first spatial regions L is determined is notified of the user by means of a notifying unit 43 (NS: Notification Server). This notification unit can be for example a SMS center.

Figure 5 shows the basic schematic configuration of a processor unit which is suitable to carry out the method of the invention or may be a part of the arrangement erfindungsgemä- SEN. The processor unit 45 may be, for example, a microcontroller and a central processing unit 47 (CPU: Central Processing Unit) and a memory unit comprise 49th The processor unit 45 may of course also with a further storage unit 50, before WEL is externally mounted, can be connected. Depending on the embodiment can thereby inside or outside of the processor unit 45 further, the processing unit 45 associated, 45 controlled by the processor unit or the processor unit 45 controlling components may be disposed. Its principle of operation is well known in the art, which is why no further details at this point.

Furthermore, the processor unit 45 having a user interface 51 (MMI: Man-Machine Interface), respectively. The user interface 51 for example comprises a display unit 53 (D: Display), an input unit 55 (IU: Input Unit) and an output unit 57 (OU: Output Unit). The different components can 59 (B: bus) via a bus system or input / output interface and any appropriate controller to the central processing unit 47 to exchange data. Depending on the embodiment, the storage units 49 and 50, which may also involve one or more volatile and / or nonvolatile memory devices may be implemented as part of the central processing unit 47 can.

Addition to the above embodiments of the invention is a variety of other embodiments within the scope of the invention which are not described here, but can easily be implemented on the basis of exemplary embodiments explained in practice.

LIST OF REFERENCE NUMBERS

1, the first spatial region 3 second spatial region 5 second spatial area

9 user level

11 device level

13 Power level

15 Input 17 decision

19 display

21 decision

23 25 allocation storage 27 position data

29 Compare

31 display

33 Intelligent Network

35 Database 37 functions

38 Customer C

39 Customer C 1

41 location determination unit

43 notification unit 45 processor unit

47 central processing unit

49 memory unit

50 further memory unit

51 user interface 53 display unit

55 input unit

57 output unit

Claims

claims
1. A method for displaying tasks in the
- at least one object is stored, - the task is assigned at least a first spatial location,
- the current location is determined and
- the object is displayed, which is associated with the first spatial area in which the current location is.
2. The method of claim 1, wherein
- is associated with the object, a time range,
- the current time is determined and - the object is displayed when the time range of the object and the determined time are in a fixed ratio to one another.
3. The method according to claim 1 or 2, wherein the size of the first spatial region within which the object is displayed, is adjustable.
4. The method according to any one of the preceding claims, wherein the time range within which the object is displayed, is adjustable.
5. The method according to any one of the preceding claims, wherein the display varies depending on the distance to the object associated with the first spatial region.
6. The method according to any one of the preceding claims, wherein the leaving and / or entering the associated one of the task of the first spatial region is signaled.
7. The method according to any one of the preceding claims wherein
- a task folder is created, the at least a first spatial location associated with - objects are stored in the object folder, where objects, which are stored in this task folder, automatically assigned to the first spatial area, which is assigned to the object folder.
8. The method in which a correspondence between object and the first spatial region after completion of the task is disabled and the assignment when re-entering the new task is re-activatable bar of the preceding claims.
9. The method according to any one of the preceding claims wherein the association between a task and a time after completion of the task is disabled, and the mapping can be activated again when re-entering the task.
10. The method according to any one of the preceding claims, wherein the display of tasks in response to a task associated prioritization information is.
11. The method according to any one of the preceding claims, wherein
- a task is assigned to a second spatial region, which is narrower than the first spatial region, - an object is displayed, if the current location area is within the associated one of the task of the first spatial region and
- is led in the display object of the user optionally to the associated task of the second spatial area.
12. A method in which
- a task is stored,
- a map is displayed, - a spatial region is selectable on this card, and
- an assignment between the selected spatial region on the map and the object.
13. arrangement
- with an input device for entering tasks,
- with a memory device for storing objects, in which at least one object is stored,
- with a display means for displaying tasks
- a unit for determining the current location,
- having a processor device which is set up such that
- at least a first task is assigned to the spatial location,
- the current location is determined and
- the object is displayed that is associated with the first spatial rich loading in which the current location is.
14. arrangement
- with a device for determining the time and - a processor device which is set up such that
- is assigned to the object, a time range,
- the current time is determined and
- the task is displayed when the time range of the task and the time determined are in a fixed ratio.
15. The arrangement, with a processor device which is set up such that the size of the first spatial loading realm within which the object is displayed by the display unit, is adjustable.
16. An arrangement with a processor device which is set up such that the time range within which the up would be displayed by the display unit is adjustable by means of the input unit.
17. The arrangement having a processor unit which is set up such that the display varies depending on the distance to the object associated with the first spatial region.
18. An arrangement having a processor unit which is set up such that the leaving and / or entering the task assigned to a first spatial region is signaled.
19. The arrangement, having a processor unit which is set up such that
- a task folder is created, to which is assigned at least a first spatial region and - objects are stored in the object folder,
- wherein objects which are stored in the object folder is automatically associated with the first spatial area, which is assigned to the object folder.
20. The arrangement, with a processor device which is set up such that
- Mapping functions and first spatial areas are deactivated after completion of the task and
- can be activated again when re-entering the task.
21. The arrangement, with a processor device which is set up such that
- Mapping functions and times are deactivated after completion of the task, - which can be activated again when re-entering the task.
22. The arrangement having a processor unit which is set up such that the display of tasks in response to a task associated prioritization information is.
23. The arrangement with a storage unit ,, in which a correspondence between a task and a second spatial region is stored, and a processor unit which is set up such that - an object is displayed, if the current location area assigned within the task second spatial range, and
- is led in the display object of the user optionally to the associated task of the second spatial area.
24 device having a memory unit in which an object is stored and with a processor unit which is set up such that - a map is displayed on the display unit,
- by means of the input unit, a spatial region is selectable on this card, and
- an assignment between the selected spatial region on the map and the object.
PCT/DE2002/000410 2001-03-08 2002-02-04 Method and assembly for displaying tasks WO2002073433A2 (en)

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Application Number Priority Date Filing Date Title
DE10111192 2001-03-08
DE10111192.4 2001-03-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10354513A1 (en) * 2003-11-21 2005-06-16 Daimlerchrysler Ag Information recording unit, e.g. for recording of location dependent information for a vehicle and output of such data again when it is in the same location, has a control and evaluation unit, storage, input and output units
WO2008002127A1 (en) * 2006-06-27 2008-01-03 Tomtom International B.V. Computer system and method for providing warnings to a user for completing tasks from the task list

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EP0763808A2 (en) * 1995-08-24 1997-03-19 Toyota Jidosha Kabushiki Kaisha Tour schedule processor for moving bodies
DE19639546A1 (en) * 1996-09-26 1998-04-09 Weiss Electronic Elektronische Vehicle related information communications method
US5938721A (en) * 1996-10-24 1999-08-17 Trimble Navigation Limited Position based personal digital assistant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0612019A2 (en) * 1993-02-18 1994-08-24 Ultradata Systems, Incorporated Coupon information system
EP0763808A2 (en) * 1995-08-24 1997-03-19 Toyota Jidosha Kabushiki Kaisha Tour schedule processor for moving bodies
DE19639546A1 (en) * 1996-09-26 1998-04-09 Weiss Electronic Elektronische Vehicle related information communications method
US5938721A (en) * 1996-10-24 1999-08-17 Trimble Navigation Limited Position based personal digital assistant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10354513A1 (en) * 2003-11-21 2005-06-16 Daimlerchrysler Ag Information recording unit, e.g. for recording of location dependent information for a vehicle and output of such data again when it is in the same location, has a control and evaluation unit, storage, input and output units
WO2008002127A1 (en) * 2006-06-27 2008-01-03 Tomtom International B.V. Computer system and method for providing warnings to a user for completing tasks from the task list

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