DE102015002988A1 - System and method for remote control - Google Patents

Abstract

The invention relates to a web-based system (1) for the remote control of an electrical device. The system consists of a first arithmetic unit (111R1) and a second arithmetic unit (121R2) to be remotely controlled, to which a first optical display device (122DISP1) is connected. The system (1) is configured such that remote control signals (SREM) sent from a remote control unit (2FG) are received by the system (1) and supplied to the remote control device (121R2), and the remote control device (121R2) is controlled in accordance with the signals (SREM) sent from the remote control unit (2FG). According to the invention, the system (1) is initiated as a function of first information (I1), which designates the geographical position of the remote control unit (2FG), and in response to a second information (I2), which includes a signal, with which the remote control is initiated is controlling the remote control device (121RG) according to the remote control signals (SREM).

Description

The invention relates to a system and a method for remote control according to the preamble of claim 1 or according to claim 8.

From the Chinese patent application CN 000102739800 A is a web-based system and a method for controlling a browser web page on the Internet known. In the known system user name and passwords are checked for admissibility.

Based on this prior art, the present invention seeks to provide a web-based system and a method of the type mentioned, which allows remote control of an electrical device in response to a predefined local positioning of a remote control unit and independent of a personal authorization.

This object is achieved by a system and by a method which is defined in the patent claims.

The invention is characterized by a plurality of advantages.

The system consists of a first arithmetic unit and a second arithmetic unit, wherein the second arithmetic unit is remotely controlled and wherein a first optical display device is connected to the second arithmetic unit. A remote control unit is connected to the system via the Internet. The system is configured such that remote control signals sent by the remote control unit are received by the system and supplied to the device to be remotely controlled. The remote control device is controlled by the transmitted remote control signals. The system is further configured to control the device to be remotely controlled in response to a first information indicating the geographic position of the remote control unit and a second information input by the remote control.

While in the prior art remote control transmitters are able to control one or more devices, provided that the emitted by the remote control transmitter signals reach this facility or facilities due to their electrical transmission power, the system of the invention specifically limits a remote control that the remote control unit is located at a predefinable location or in a predeterminable local area. At the same time, the remote control is specifically limited to an object, for example, on exactly one website. This remote control transmitter are equipped in an advantageous manner with another function.

Advantageously, in one embodiment of the invention in which web pages in the public domain, for example in the shop window of a business, are remotely controlled by any person, the personal authorization for remote control or authorization associated with a remote control transmitter ("remote control unit") is straightforward Not checked. The remote control transmitter is preferably formed by a smartphone. In addition, advantageously ("second") information on the shop window for anyone freely accessible, with the actual remote control for the presentation of a website on a monitor behind the shop window is initiated. This information, for example QR code data, can be read by the remote control unit, so that the operator of the remote control unit is relieved of initiating the remote control by a manual operation on his remote control unit.

Another example is the aforementioned control of web pages on a monitor in a publicly accessible location, for example, in the shop window of a pedestrian area shop, by persons having a smart phone and in front of the shop window within sight of the monitor , In this way, the system according to the invention makes it possible for these persons to take note of information provided in a targeted manner, for example tourist information; they can also order services and / or goods without entering the shop in question.

Another example of the application of the system according to the invention is that at least two persons use the aforementioned monitor for a "computer game".

A further advantageous embodiment of the system according to the invention is characterized in that the first information is GPS data. The second information is through data, for example Code data formed, which provides the system of the remote control unit, in particular in a place that is within sight of the remote control unit of the remote device to be controlled.

GPS data is basically available at almost all geographical points in the world; In addition, a part of the so-called smartphones, which can be used in the context of the invention as remote control units, via GPS units that provide the GPS data to the user.

A further advantageous embodiment of the system according to the invention is characterized in that the remote control unit has a second optical display device which is in particular a touch-sensitive screen. The remote control unit is designed in such a way that remote control signals are generated by means of the touch-sensitive screen. Furthermore, the remote control unit and the system are configured in such a way that, after their connection has been established, identical optical information is displayed simultaneously on the first optical display device of the system and on the second optical display device of the remote control device.

This provides the advantage that the same information is displayed on the first display unit, which is located, for example, behind the shop window of a shop, and on the second display unit on the remote control unit. The user is thus enabled to control the information displayed on the first display device by means of his remote control unit which he holds in his hand. Simultaneous display of the identical information on both displays also enables the user to perform the remote operations when the view of the first display unit is completely or partially obstructed by, for example, a large number of persons in front of the display window.

A further advantageous embodiment of the system according to the invention is characterized in that the first processing unit is a server, and that the remote control unit is a mobile telecommunication device, in particular a telephone terminal ("smartphone").

This provides the advantage that existing software and hardware components of the smartphone are also used for the invention.

A further advantageous embodiment of the system according to the invention is characterized in that the first processing unit is associated with a first operating system, in particular Linux, a Web server service program, in particular Apache web server or nginx web server, and a Websocket service program consisting of nodjes and a first Javascript Program file is assigned. Furthermore, the second processing unit is a second operating system, in particular Linux, a first browser program, in particular Firefox, assigned to the remote control, in particular by a Javascript program web page The remote control unit is a third operating system and a second browser program, especially Firefox, assigned to the remote control in particular by a Javascript program edited website. This design of the system has proven to be extremely stable during testing.

The invention also relates to a remote control unit for establishing a connection to the system according to the invention and to a method for the remote control of an electrical device by means of the abovementioned system and by means of a corresponding remote control unit.

Advantageous embodiments of the invention will now be described with reference to the drawing.

It shows

1 a web-based embodiment of the system according to the invention and a remote control unit, and

2a to 2e Steps of the method according to the invention.

In the 1 illustrated embodiment relates to the remote controllable presentation of web pages, this embodiment of the invention is accordingly web-based, so that the system 1 and the remote control unit 2 FG, which is formed in particular by a smartphone, are connected to each other via the Internet.

This in 1 illustrated system 1 consists of two system parts, from a first system part 1.1 and a second system part 1.2 , Both system parts 1.1 and 1.2 are geographically separated from each other but connected via the Internet.

In the first part of the system 1.1 is a first arithmetic unit 111 R1, which is formed by a server of an Internet provider. In the second part of the system 1.2 is a second arithmetic unit 121 R2 arranged to be remotely controlled. The second arithmetic unit 121 R2 has Internet access z. B. via DSL (Digital Subscriber Line, Digital subscriber line) is preferably activated at any time and is, for example, for the presentation of a web page on a first optical display device 122 DISP1 is used by the second processor 121 R2 is connected.

The first optical display device 121 For example, R2 is a screen. This screen is located, for example, in the shop window of a shop, on a trade fair stand, in public or public buildings such as railway stations, airports, hotels, restaurants, schools and universities. Such a screen preferably has comparatively large dimensions, for example a screen size of at least 23 inches or 58.4 cm.

In 1 is still a remote control unit 2 FG shown. This points at the in 1 illustrated embodiment, a control unit 21 CTR, a second optical display device 22 DISP2, a memory 23 MEM, and optionally a GPS unit 24GPS (Global Positioning System, Global Positioning System, see http://de.wikipedia.org/wiki/Global_Positioning_System ) on. The second optical display device 22 For example, DISP2 is a touchscreen.

The GPS unit GPS24, which may optionally be provided, is preferably a commercially available unit, providing first information I1 representing the geographic position of the remote control unit 2 Denote FG. The remote control unit 2 FG compares this information I1 with information I3 indicating the geographical position of the device to be remotely controlled 122 R2, which in the first arithmetic unit 111 R1 are stored and the remote control unit 2 FG be transmitted before the actual remote control.

The remote control unit 2 FG uses I1 and I3 to check if the distance L (of the order of a few meters) between the device to be remotely controlled 122 R2 and the remote control unit 2 FG has a value that has been previously defined as acceptable. This value is also in the edited web page on the first processing unit 111 R1 filed.

Preferably, the remote control unit 2 FG a mobile telecommunication device, in particular a telephone terminal or a tablet computer with Internet access (eg GSM, LTE).

At the in 1 illustrated system 1 is located in a location that is within sight (especially on the order of a few meters) of the remote control unit 2 FG from the remote control device 121 R2 is a facility 3 for example, a code carrier on which one of a, in 1 not shown reading device (eg QR scanner) of the remote control unit 2 FG readable code is shown. This code is for example a QR code (Quick Response).

The device 3 may preferably be alternatively to the code carrier or in addition to the code carrier from a so-called NFC (Near Field Communication) -tag. By means of the code carrier or by means of the NFC tag, a second information I2 is formed by the remote control unit 2 FG is received or read. With this second information I2, which is the URL of the first processing unit 111 R1 forms, the actual remote control is initiated, which will be described. The remote control unit 2 FG uses the second information I2 to call the URL (Uniform Resource Locator) of the web page previously prepared for remote control on the first processor 111 R1 up.

This in 1 illustrated system and the in 1 illustrated remote control unit 2 FG are designed in such a way that, depending on the first information I1, the geographical position of the remote control unit 2 FG, and in response to the second information I2, the remote control is performed.

As will be described, the remote control unit checks 2 FG based on the server 111 R1 transmitted information I3, the geographical position of the device to be remotely controlled 122 R2 indicates whether the distance L between the device to be remotely controlled 122 R2 and remote control unit 2 FG is within a permissible value. If the distance L is within the permissible value, transmits the remote control unit 2 FG remote control signals SREM to the server 111 R1; these remote control signals denote the Control the on the touch screen of the remote control unit 2 FG presented website.

In the in 1 The web-based system shown is the first processor 111 R1, a first operating system, in particular Linux, a web server service program, in particular Apache web server or nginx web server assigned. Furthermore, the first arithmetic unit 111 R1 is assigned a Websocket service program consisting of nodjes and a first Javascript program file.

The second processor 121 R2 is a second operating system, in particular Linux, a first browser program, in particular Firefox, and assigned to the remote control in particular by a Javascript program edited website.

The remote control unit 2 FG is a third operating system and a second browser program, especially Firefox, and associated with a specially prepared for remote control by a Javascript program website.

The website, in this application example of the first arithmetic unit 111 R1 consists of an HTML code to represent products, services and information. The website provides access to very large amounts of data via a menu structure. She uses techniques such as scrolling and browsing the web page to make more data navigable than can be displayed on a single page. The entire web application can also be operated via standard personal computers (with mouse and keyboard), whereby the same code is used to facilitate the maintainability of the application. In addition, the web application consists of a Javascript code to allow the use of the web application on mobile devices such as smartphones.

The interaction of in 1 shown and described components turns - as well as in the basis of 2a to 2e shown - as follows:
When commissioning the application receives the remote controlled unit 121 R2 via browser software the edited website of the unit 111 R1 submits its URL manually 121 R2 is to be entered, 2 B ,

The code contained in the edited web page sends a registration from the unit to be remotely controlled 121 R2 to the Websocket service of the unit 111 R1, via the TCP port 5000 . 2c ,

The same URL is also in the facility 3 , coded as a QR code or within an NFC tag. At a later time, the remote control unit refers 2 FG the URL from the facility 3 , Then it will be on the unit 2 FG installed browser software started and via the received URL the edited website of the unit 111 R1 loaded over the internet, 2d , Thus, the identical web pages are located on both units 111 R1 and 2 FG and thus on both optical display units 122 DISP1 and 22 DISP2.

• – die Fernsteuereinheit 2FG nimmt eine Information I2 (URL) von der Einrichtung 3 auf, wobei die Information I2 ein einheitlicher Ressourcenanzeiger URL ist, 2a;
• – die Fernsteuereinheit 2FG aktiviert ausgelöst durch die Aufnahme der Information I2 ein Browsersoftwareprogramm in der Fernsteuereinheit 2FG, 2d;
• – die Fernsteuereinheit 2FG übermittelt mittels des Browsersoftwareprogramms – die Information I2 an die erste Recheneinheit 111R1, die einen Webserver-Dienst (P1 in 2a) ausführt, 2d;
• – die Fernsteuereinheit 2FG führt einen Download von dem auf der ersten Recheneinheit 111R1 laufenden Webserver-Dienst (Port 80, 2a) durch, wobei der Download eine vorab für die Fernsteuerung aufbereitete Webseite und eine erste Information I3 umfasst, die die geographische Position der fernzusteuernden Einrichtung 122R2 bezeichnet, 2d,
• – die aufbereitete Webseite wird auf der zweiten optischen Anzeigeeinrichtung 22DISP2 der Fernsteuereinheit 2FG dargestellt, welche durch einen berührungsempfindlichen Bildschirm gebildet wird,
• – die Fernsteuereinheit 2FG überprüft anhand der von dem Server 111R1 übermittelten ersten Information I3, die die geographische Position der fernzusteuernden Einrichtung 122R2 bezeichnet, ob der Abstand L zwischen fernzusteuernder Einrichtung 122R2 und Fernsteuereinheit 2FG innerhalb eines zulässigen Wertes liegt,
• – die Fernsteuereinheit 2FG übermittelt, sofern der Abstand L innerhalb des zulässigen Wertes liegt, Fernsteuersignale SREM an den Server 111R1 und dessen Websocket-Dienst (P2 in 2a), wobei die Fernsteuersignale SREM die Steuerung der auf dem berührungsempfindlichen Bildschirm der Fernsteuereinheit 2FG dargestellten Webseite bezeichnen; der Port des Websocket-Dienstes P2 ist 5000;
• – der Server 111R1 übermittelt die Fernsteuersignale SREM an die fernzusteuernde Einrichtung 122R2 übermittelt, und
• – die fernzusteuernde Einrichtung 122R2 synchronisiert die Darstellung der Webseite auf der ersten optischen Anzeigeeinrichtung 122DISP1 mit der Darstellung der Webseite auf der zweiten optischen Anzeigeeinrichtung 22DISP2.

Overall, the method according to the invention is as follows:

• - the remote control unit 2 FG takes an I2 (URL) information from the facility 3 where the information I2 is a unified resource indicator URL, 2a ;
• - the remote control unit 2 FG activated triggered by the inclusion of the information I2 a browser software program in the remote control unit 2 FG, 2d ;
• - the remote control unit 2 FG transmits the information I2 to the first arithmetic unit by means of the browser software program 111 R1, which has a web server service (P1 in 2a ), 2d ;
• - the remote control unit 2 FG performs a download of that on the first arithmetic unit 111 R1 running web server service (port 80 . 2a ), the download comprising a web page previously prepared for remote control and first information I3 indicating the geographical position of the device to be remotely controlled 122 R2 denotes 2d .
• - The edited web page is on the second optical display device 22 DISP2 of the remote control unit 2 FG, which is formed by a touch-sensitive screen,
• - the remote control unit 2 FG checks against from the server 111 R1 transmitted first information I3, the geographical position of the device to be remotely controlled 122 R2 indicates whether the distance L between the device to be remotely controlled 122 R2 and remote control unit 2 FG is within a permissible value,
• - the remote control unit 2 If the distance L is within the permissible value, FG transmits remote control signals SREM to the server 111 R1 and its websocket service (P2 in 2a ), where the Remote control signals SREM the control of the on the touch-sensitive screen of the remote control unit 2 FG web page; is the port of the Websocket service P2 5000 ;
• - the server 111 R1 transmits the remote control signals SREM to the device to be remotely controlled 122 R2 transmitted, and
• - the device to be remotely controlled 122 R2 synchronizes the presentation of the web page on the first optical display device 122 DISP1 showing the web page on the second optical display device 22 DISP2.

The web application consists of an HTML document that is in the respective browser software of the unit 111 R1 on the unit DISP1 or the browser software of the unit 2 FG is displayed on the unit DISP2.

All actions on the unit 2 FG within the recycled web page are converted by coding the application into news and to the entity 111 R1 and the Websocket service running there. From there, the messages go to the registered unit 121 R2 and the recycled website there.

The news leads on this website to carry out the same action as originally on the unit 2 FG was carried out. This is the generic control of the website on the unit 121 R2 through the unit 2 FG possible. It is derived from all interactive website actions that are possible in the standard-compliant use of a website.

For example, the code of an example web page is as follows:

The code of an example Javascript addressed in the HTML page is as follows:

The system according to the invention 1 allows a variety of different applications.

Another application example is the control of web pages on a monitor in a publicly accessible location, for example in the window of a shop in a pedestrian area, by persons who have a smartphone, and are in sight of the monitor in front of the shop window. In this way, the system according to the invention makes it possible for these persons to take note of information provided in a targeted manner, for example tourist information; they can also order services and / or goods without entering the shop in question.

LIST OF REFERENCE NUMBERS

1

First system

1.1

First part of the system

111 R1

First arithmetic unit; server

P1

Web Service Software

P2

Websocketdienst software

80

Port for the web server service

5000

Port of the Websocket service

1.2

Second system part

121 R2

Second processing unit, remotely controlled unit

122 DISP1

First optical display device

2, 2FG

First remote control unit

21 CTR

Control unit of 2

22 DISP2

Second optical display device; Touch-sensitive screen

23 MEM

Storage

24 GPS

GPS unit

3

disk

NFC

Short-range communication generator (Near Field Communication)

QR

(QR) code (Quick Response).

SREM

Remote control signal

I1

First information, z. Eg GPS data

I2

Second information, z. NFC data, QR code data

I3

Third information

L

distance between 121 R2 and 2 FG

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• CN 000102739800 A [0002]

Cited non-patent literature

• http://en.wikipedia.org/wiki/Global_Positioning_System [0027]

Claims (10)

System ( 1 ) for the remote control of an electrical device, comprising - a first arithmetic unit ( 111 R1), - a second arithmetic unit ( 121 R2), - wherein the second arithmetic unit ( 121 R2) is to be remotely controlled, - wherein a first optical display device ( 122 DISP1) to the second arithmetic unit ( 121 R2), - wherein a remote control unit ( 2 FG) with the system ( 1 ), the system ( 1 ) in such a way that from the remote control unit ( 2 FG) remote control signals (SREM) that define the remote control to be performed by the system ( 1 ) and the device to be remotely controlled ( 121 R2) and that the device to be remotely controlled ( 121 R2) corresponding to that of the remote control unit ( 2 FG) remote control signals (SREM) is controlled, and - wherein the system ( 1 ) and the remote control unit ( 2 FG) are connected via the Internet, characterized in that - the system ( 1 ) in such a way that, in dependence on a first information (I1), the geographical position of the remote control unit ( 2 FG), and in dependence on a second information (I2), with which the remote control is initiated, the device to be remotely controlled ( 121 RG) is controlled. System according to claim 1, characterized in that - the first information (I1) is GPS data, and - that the second information (I2) is data, in particular code data (QR), which the system ( 1 ) of the remote control unit ( 2 FG) at a location within sight of the remote control unit ( 2 FG) from the device to be remotely controlled ( 121 R2) is available. System according to one of the preceding claims, characterized in that - the remote control unit ( 2 FG) a second optical display device ( 22 DISP2), - that the second optical display device ( 122 DISP2) is a touch-sensitive screen, and - that the remote control unit ( 2 FG) is designed in such a way that remote control signals (SREM) are generated by means of the touch-sensitive screen. System according to claim 3, characterized in that - the remote control unit ( 2 FG) and the system ( 1 ) are configured in such a way that identical optical information at the same time on the first optical display device ( 122 DSP1) of the system ( 1 ) and on the second optical display device ( 22 DISP2) of the remote control unit ( 2 FG) are displayed. System according to one of the preceding claims, characterized in that - the first arithmetic unit ( 111 R1) is a server, and - that the remote control unit ( 2 FG) is a mobile telecommunication device, in particular a telephone terminal. System according to one of the preceding claims, characterized in that - the first arithmetic unit ( 111 R1) a first operating system, in particular Linux, a web server service program, in particular Apache web server or nginx web server, - a Websocket service program consisting of nodjes and a first Javascript program file is assigned, - that the second processing unit ( 121 R2) is assigned a second operating system, in particular Linux, a first browser program, in particular Firefox, a web page specially prepared for remote control by a Javascript program, and - that the remote control unit ( 2 FG) is assigned a third operating system and a second browser program, in particular Firefox, a specially prepared for remote control by a Javascript program website. Remote control unit ( 2 FG) for establishing a connection to a system ( 1 ) according to any one of the preceding claims. Method for remote control of an electrical device ( 121 R2) by means of a system ( 1 ) according to one of claims 1 to 6 and by means of a remote control unit ( 2 FG) according to claim 7. Method for remote control of an electrical device, in particular a web page, characterized in that - the remote control unit ( 2 FG) information (I2, URL) from a device ( 3 ), wherein the information (I2) is a uniform resource indicator (URL), - that the remote control unit ( 2 FG) triggered by the inclusion of the information (I2) a browser software program in the remote control unit ( 2 FG), - that the remote control unit ( 2 FG) by means of the browser software program the information (I2) to a first processing unit ( 111 R1), which forms a server, transmits, - that the remote control unit ( 2 FG) downloads from the first processing unit ( 111 R1), the download comprising a web page prepared in advance for the remote control and first information (I1) indicating the geographical position of the device to be remotely controlled ( 122 R2), that the edited web page on the second optical display device ( 22 DISP2) of the remote control unit ( 2 FG), which is formed by a touch-sensitive screen, is shown, - that the remote control unit ( 2 FG) on the basis of the first processing unit ( 111 R1) transmitted information (I3), the geographical position of the remotely controlled device ( 122 R2), checks whether the distance (L) between device to be remotely controlled ( 122 R2) and remote control unit ( 2 FG) is within a permissible value, - that the remote control unit ( 2 FG), provided that the distance (L) is within the permissible value, remote control signals (SREM) to the server ( 111 R1), which controls the control of the touch-sensitive screen of the remote control unit ( 2 FG); - that the server ( 111 R1) the remote control signals (SREM) to the remote control device ( 122 R2), and - that the device to be remotely controlled ( 122 R2) the representation of the web page on the first optical display device ( 122 DISP1) showing the web page on the second optical display device ( 22 DISP2) synchronized. Method according to claim 8 or 9, characterized in that - the system ( 1 ) of the remote control unit ( 2 FG) transmits first information (I1) indicating the geographical position of the unit to be remotely controlled (I1). 121 R2), - that the remote control unit ( 2 FG) compares the transmitted first information (I1) with information representing the geographical position of the remote control unit (I1). 2 FG), that the remote control unit ( 2 FG) forms, on the basis of the comparison, a third information item (I3) which determines the distance (L) between the unit to be remotely controlled (I3). 121 R2) and the remote control unit ( 2 FG), and checks whether the distance (L) has at most a predefinable value, and - that the remote control unit ( 2 FG) in the case of a positive test result, a remote control signal (SREM) to the system ( 1 ), and - that the remote control unit ( 2 FG), the remote control signal (SREM) by pressing a touch-sensitive screen ( 22 DISP2) of the remote control unit ( 2 FG) generated.

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