EP2852895A1 - Verfahren und vorrichtung zum überprüfen der datenanzeige in einem sicherheitskritischen system - Google Patents
Verfahren und vorrichtung zum überprüfen der datenanzeige in einem sicherheitskritischen systemInfo
- Publication number
- EP2852895A1 EP2852895A1 EP13720972.2A EP13720972A EP2852895A1 EP 2852895 A1 EP2852895 A1 EP 2852895A1 EP 13720972 A EP13720972 A EP 13720972A EP 2852895 A1 EP2852895 A1 EP 2852895A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- computer
- pattern
- input
- image signals
- supplied
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/1608—Error detection by comparing the output signals of redundant hardware
- G06F11/1616—Error detection by comparing the output signals of redundant hardware where the redundant component is an I/O device or an adapter therefor
- G06F11/162—Displays
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
Definitions
- the invention relates to a method and apparatus for operating a computer system.
- the invention relates fer ⁇ ner a system and a computer program.
- Step of inputting at least one input in a computer unit the step of computational processing least the input in the computing unit to the A ⁇ input variable imaging image data sequence, the step of forwarding the image data sequence to a display device, and the step of representing the image data sequence on the display device and the step of supplying the image data sequence to a test unit, and the step of existing by ⁇ performing a security check by calculating technical creating a check code for the image data sequence, the step of comparing the check code with a plurality of the strigein ⁇ standardize comparison code and the step of Assignment of the comparison code to be determined to a correspon ⁇ dierenden possible value of the input variable and its comparison with the value of the input variable to form either a positive or negative test result in the test unit R cause of a safety-related reaction.
- each comparison code corresponds to a precalculated CRC checksum based on a predetermined bitmap.
- a disadvantage of the known method is in particular that it only works if the input variables corresponding comparison codes are stored in the test unit. This procedure does not work for unknown input values. Also, a minimum deviation in the input input entered, for example a different color representation or a different font size, suffices for a
- Patent EP 0 856 792 B1 discloses a method for the reliable display of an image on a monitor.
- two independent image memory provided ⁇ see which store image data corresponding to an image to be displayed.
- the image data are generated by means of an image processing computer and additionally stored in a frame buffer which operates the monitor. At certain times, the data of the individual memories are read out and compared with each other.
- German Offenlegungsschrift DE 4 332 143 A1 discloses a method for operating a data display device and devices for carrying out the method.
- said checksums are formed based on the data stored in the dataritaspei ⁇ manuals. At certain times, these checksums are compared.
- a disadvantage of these two known methods is in particular that they need to run two image memory, which in so far means an increased cost of materials and increases the complexity of a corresponding structure.
- the published patent application EP 2 405 317 A1 discloses a method for the secure parameterization of a safety device.
- the method comprises the steps of entering a meter Para ⁇ value by an operator in a configuration unit and of displaying the parameter value on a display unit.
- the method further comprises the method steps of closing the parameter value in the configuration unit and storing at least one feature resulting from the closure .
- the parameter value is then displayed on the display unit for the second time after its verification on the basis of the feature, the second display being temporally and spatially correlated to the first display. This is followed by a value comparison of the parameter value displayed with the two displays by the operator and confirmation of a valid parameter specification if there is a match.
- a disadvantage of the known method is, in particular, that the verification of the entered and represented parameter values takes place exclusively by a visual check by the operator.
- the object underlying the invention can therefore be seen to provide a method for operating a computer system, which overcomes the known disadvantages and then enables a check of an input displayed on a display device, whether the displayed input size also corresponds to the input supplied to the computer.
- the object underlying the invention can also be seen to provide a corresponding device for operating a computer system.
- the problem underlying the invention can also be seen to provide a corresponding system.
- a method of operating a computer system includes a computer and a display device.
- Image signals for the display device for displaying the input quantity are formed based on an input supplied to the computer.
- a reference pattern is formed. Pattern recognition is performed on the image signals, and a pattern recognized by the pattern recognition is compared with the reference pattern. It can preferably be provided that the method according to the invention is carried out by means of the computer itself. In particular, all steps or some steps or only one step of the method according to the invention can be carried out or executed by means of the computer.
- an apparatus for operating a computer system includes ⁇ a computer and a display device.
- the device comprises a reference pattern means for forming a reference pattern based on a computer supplied ⁇ led input.
- a pattern recognition device for performing a pattern recognition on ba- formed on the input image signals formed for the display device for displaying the input.
- the apparatus further comprises a comparison device for comparing a pattern recognized by means of the pattern recognition device with the reference pattern.
- the device is therefore particularly adapted or constructed to carry out the method according OF INVENTION ⁇ dung.
- the pre ⁇ direction is integrated into the computer.
- some elements of the device are integrated in the computer. Other elements of the device may, for example, be formed externally by the computer.
- a system in another aspect, includes a computer system having a computer and a display device. Furthermore, the system includes the apparatus for operating a computer system.
- a computer program which comprises program code comprising for executing the procedure for operating a computer system, a Com ⁇ computer and a display device when the computer program is executed on a computer.
- the invention thus encompasses, in particular, the idea that pattern recognition is performed on image signals for a display device.
- pattern recognition one or more patterns in the image signals can advantageously be recognized.
- a comparison is made between the recognized pattern (s) and a reference pattern.
- this Refe rence ⁇ pattern is formed based on the computer supplied input, which input is used as a basis for the formation of the image signals is proposed.
- the supplied input variable is used as the basis for the reference pattern eliminates the need for nes memory with predetermined comparison codes analogous to the patent EP 2 273 369 Bl, which must be elaborately determined or calculated at an earlier time ⁇ point before the execution of the method.
- different deviations for example a different coloring or a different font size, according to the invention advantageously do not lead to false alarms, since these deviations are taken into account directly in the formation of the reference pattern.
- the reference pattern is thus formed at runtime based on the input quantity supplied.
- the period the time period or the time interval of execution of the method or of the Compu ⁇ terprogramms or the operation of the device or SYS tems is meant in particular.
- the runtime designates the time in which the method or the computer program is executed.
- the runtime designates the time in which the device or the system is active. Another advantage is in particular that a
- Verification whether the applied input variable, also corresponds to the attached ⁇ showed input and automaticallycloudsi ⁇ cher by the system or the apparatus can be carried out itself.
- a visual inspection by an operator analogous to the published patent EP 2 405 317 AI is not required.
- An input variable in the sense of the present invention can be, for example, a letter and / or a number.
- an input of the present invention may include a string of letters and / or a sequence of numbers, which may be mixed.
- the input variable preferably comprises a command and / or a parameter of a programming language such as, for example C, C ++, Fortran, Java, Javascript, Visual Basic, Python, C #, JPython, Pearl, PHP, SQL.
- the input variable may be a graphical element, for example a graphical command of a graphical programming language.
- An input variable in the sense of the present invention can be, for example, a connection between such graphical elements or graphical commands.
- the aforementioned examples of programming languages are not intended to be limiting. The invention is not limited to the aforementioned programming languages, but is applicable to any programming languages.
- supplying an input to the computer comprises detecting a groove input to the computer.
- a supplied by means of a user input variable may be referred to as game at ⁇ as an input an input variable.
- a groove input can be detected for example by means of a keyboard.
- sensors may include, for example, optical, acoustic and / or tactile sensors.
- supplying the input to the computer comprises sending the input to the computer.
- the transmission can preferably be carried out by means of a wireless or wireless connection and / or by means of a cable connection, ie wired.
- Wireless connections may include, for example, W-LAN, Bluetooth, cellular and / or infrared connections. Wired connections can include Ethernet connections, for example.
- Pattern recognition in the sense of the present invention particularly designates a method for the detection of regularities and / or repetitions and / or similarities and / or laws in a set of signals, in this case the image signals or data. From these regularities,
- Image signals in accordance with the present invention include in particular information for the display device, which this enable to display the supplied input to ⁇ zu accorden, ie in particular visually.
- the supplied input an identifier is supplied ⁇ arranged, wherein the image signals and the reference pattern are formed ba ⁇ sierend on the inputted input with the assigned arrange ⁇ th identifier.
- pattern recognition can advantageously be carried out more efficiently and effectively insofar as it is possible to specifically scan the identifier during pattern recognition, since the identifier generally supplies a unique and previously known signal. A possible error rate of pattern recognition can thus be advantageously reduced or avoided. Furthermore, an arithmetic performance required for the pattern recognition can be advantageously reduced thereby, so that an energy saving can also be effected via this.
- the pattern recognition can be carried out, for example, advantageously on less well designed processors.
- multiple identifiers may be provided.
- the identifiers may be the same or different.
- the identifier comprises a barcode.
- the barcode may be formed as a data matrix code.
- multiple barcodes can be provided.
- the barco ⁇ des can be the same or different.
- a barcode designates, in particular, an opto-electronically readable font, which has a different width, and preferably parallel, from each other. includes spaced strokes with gaps between the strokes.
- a barcode may also be referred to as a bar code or as a bar code.
- the barcode can be formed as a 1D or as a 2D barcode, where "D" stands for dimension.
- ID barcode that is to say a one-dimensional barcode
- the data is encoded in one direction, ie in a two-dimensional barcode a 2D barcode, the data is encoded in the form of an area over two dimensions, in two directions
- a data matrix code is an example of a 2D barcode.
- the identification element to a graphic ⁇ sums may be, for example, any geometric shape such as a circle, a rectangle, a triangle or a hexagon.
- the identifier is embedded as a steganographic element in the image signals.
- a steganographic element in the sense of the present invention refers in particular ⁇ sondere a member which is embedded by means of a steganographic method in the image signals. By means of a steganographic method thus in particular the Ken ⁇ voltage is embedded in the image signals.
- the image signals form here in particular carrier signals in which the identifier or the corresponding identification signals can hide or can.
- a steganographic method it is possible in particular in an advantageous manner to embed the code in the image signals, without any specific one dar ⁇ position corresponding to the image signals input variable is changed so that the presence be the identifier in the input variable and the corresponding assignment in the Usually by a user who has entered, for example, the input, is not noticed.
- the image signals comprise control signals for controlling pixel elements of the display device, wherein the pattern recognition is performed on the control signals.
- image signals which are sent to an Ad ⁇ organization used further processed by this to control signals in order to control, for example, the individual Pixelele ⁇ elements of the display device in accordance with the control signals.
- inventively ⁇ perform at these control signals, pattern recognition. So as far as image signals are used for pattern recognition, which are formed at one end of the chain computer display device, there is no longer insbesonde- re the possibility that still more can imma system ⁇ component failures.
- state values or state parameters of the pixel elements corresponding to the control signals are interrogated, for example by means of the computer, the pattern recognition being performed on the state values or state parameters.
- the pattern recognition is so far performed here indirectly based on the image signals, in that the Schmsig ⁇ dimensional summarize the control signals for driving the pixel elements at ⁇ , wherein the pixel elements switch in the control signals corresponding to states or the control signals corresponds to operate speaking.
- a state may for example be "transparent state", in which the pixel element is transparent.
- Another state may for example be "un ⁇ transmitting state” in which the pixel element opaque, not transparent is.
- Other states may be, for example, intermediate states between the two states “transparent state” and “impermeable state”.
- control signals and / or the detecting condition-values or state parameters of the pixel elements can be particular as performing a screen capture ⁇ be distinguished.
- the term "screenshot" can generally be used for this purpose.
- an identification device is formed for assigning an identifier to the input quantity supplied, wherein the reference pattern means is adapted to form the reference pattern based on the supplied input size with the zugeord ⁇ Neten identifier. That means insbesonde re ⁇ that here be formed with the identifier associated with the image signals input variable on the basis of the supplied inputs.
- the pattern recognition device in particular performs the pattern recognition on the corresponding image signals.
- the pattern recognition device is formed or arranged in the display device for performing pattern recognition on control signals encompassed by the image signals for driving pixel elements of the display device.
- the signal detection device is provided for detecting image signals and / or for detecting control signals and / or state parameters, which is connected to the pattern recognition device. This means, in particular, that the signal detection device only detects the image signals and sends them to the pattern recognition device in order to carry out the pattern recognition.
- the signal detection device can also be referred to below as a detection device. It can preferably be provided that the signal detection device is integrated or arranged in the display device. So can in particular, they detect in particular the control signals and / or the state parameters. Preferably, it can be provided that the signal detection device is designed to detect the control signals and to send them to the pattern recognition device. It can preferably be provided that the signal detection device is designed to detect the state values or state parameters. The signal detection device is preferably designed to detect the control signals and / or the state parameters and send them to the pattern recognition device as a function of a query by the computer.
- a wired connection and / or a wireless Verbin ⁇ dung are formed between the signal detection means and said pattern recognition means.
- a wired connection may generally comprise, for example, an Ethernet connection, vorzugswei ⁇ se a Gigabit Ethernet connection.
- a wireless connection may generally include a W-LAN, infrared, cellular, and / or Bluetooth connection.
- the signal detection device connected to the pattern recognition device is designed to detect image signals between an image signal output of an image signal generator and an image signal input of the display device.
- the image signal generator is preferably keptbil ⁇ det to make based on the supplied input correspond ⁇ de image signals for the display device.
- Such an image signal generator may for example comprise or be formed as a graphics chip.
- a graphics chip may for example be included in a graphics card.
- the image signal generator may be formed as a graphics card.
- the image signal generator can be arranged, for example, in the computer.
- the image signal generator may be located external to the computer.
- the supplied input variable is stored, the reference pattern and the image signals being formed on the basis of the stored supplied input variable.
- a stored input variable which is usually used as a basis for further processing steps in the computer is also displayed correctly and that the ex ⁇ save the supplied input no error has occurred, for example, to a change Input size leads.
- a plurality of signal detection devices are formed.
- a signal detection device may be provided between the image signal output of the image signal generator and the image signal input of the display device.
- a further signal detection device can be provided in the display device in order to detect the control signals and / or the state parameters.
- 1 shows an apparatus for operating a computer system
- 2 shows a system
- FIG. 3 is a flow chart of a method for operating a computer system.
- Fig. 4 shows another system
- FIG. 5 shows a graphical user interface of a graphical editor.
- FIG. 1 shows an apparatus 101 for operating a computer system (not shown) comprising a computer and an on ⁇ pointing device.
- the device 101 comprises reference pattern means 103 for forming a reference pattern based on an input supplied to the computer. Further, a pattern recognition means 105 is formed, which is designed to perform ei ⁇ ne pattern recognition based on formed on the supplied input image signals for the display means for displaying the input variable. Furthermore, the device 101 comprises a comparison device 107 for comparing a pattern recognized by the pattern recognition device 105 with the reference pattern.
- Fig. 2 shows a system 201.
- the system 201 comprises a computer system 203 with a computer 205 and a display device 207. Furthermore, the system 201 comprises the device 101 according to FIG. 1.
- a computer 205 supplied input is supplied to the Refe ⁇ ence pattern device 103, so that they can form based on the input, a reference pattern.
- Image signals which are formed based on the input input, are supplied to the display device 207 so that it can display the input input based on the image signals.
- This Schmsigna ⁇ le also be supplied to the pattern recognition means 105, so that this can lead to the image signals pattern recognition throughput.
- the pattern (s) recognized or recognized by the pattern recognition are then supplied to the comparison device 107.
- the comparison device 107 is supplied with the reference pattern, so that the comparison device 107 can compare the reference pattern with the recognized or the recognized patterns.
- the device 101 is integrated in the computer 205.
- execution ⁇ of the invention may be provided, that only some elements of the device 101 such as the Referenzmus ⁇ ter worn 103 and / or the comparison device 107 and / or the pattern recognition means are integrated in the, computer 205 105th
- the pattern recognition device is integrated in the display device 207.
- the comparison device 107 is formed in the pattern recognition device 105. so that means in particular, that the pattern recognition device 105 can perform both a pattern recognition and a comparison of the recognized patterns with the reference pattern.
- a signal detection device for detecting image signals, which is connected to the pattern recognition device 105.
- the signal detection device only detects the image signals and sends them to the pattern recognition device 105 for the purpose of performing the pattern recognition.
- the signal detection device is integrated in the display device 207. It can preferably be provided that the Signalerfas- formed sungs adopted to send the control signals to erfas ⁇ sen and to the pattern detection means 105th It can preferably be provided that the signal detection device is designed to detect the state values or state parameters.
- Fig. 3 shows a flow diagram of a method Operator Op ben ⁇ a computer system wherein the computer system comprises a computer and a display device.
- image signals are formed, this forming based on an input supplied to the computer.
- the image signals are intended for the display device, so that they can display to ⁇ guided input based on the image signals.
- a reference pattern is formed based on the input quantity supplied.
- a pattern recognition is performed on the image signals, wherein according to a step 307 a pattern recognized by the pattern recognition is compared with the reference pattern. It can be ensured in an advantageous manner so that the supplied input corresponds to the actually showed ⁇ input. For example, it may happen that there is only such a minimal difference between the supplied input variable and the displayed input variable that a user or an operator does not perceive this difference. For example, the user can input the variable name "Varlnput 12", but the variable name "Varlnput21" is displayed.
- FIG. 4 shows another system 401.
- the system 401 comprises a computer 403 and a display device 405, which form a computer system here without extra reference numerals.
- the display device 405 comprises pixel elements 407, which are shown symbolically as crossing points of crossed lines. Such a structure of pixel elements 407 may also be referred to as a pixel structure or as a pixel matrix.
- the display device 405 further comprises a scaler 409 and a processing device 411, which can form control signals for driving the pixel elements 407 based on image signals. These control signals are sent or transmitted to the pixel elements 407 by means of control signal lines 413.
- the image signals underlying the control signals are transmitted by means of an image signal line 415 from the computer 403 to the scaler 409. It may be provided that the image signal line 415 may be formed as a wireless Signallei ⁇ tung or a wired signal cable. So there is a wired or a wireless transmission of the image signals. Preferably, both forms of transmission, ie a wired and a wireless transmission, may be provided. It is then preferably formed corresponding signal lines.
- the corresponding image signals on the image signal line 415 are transmitted, are in the computer 403 by means of a not shown image signal generator, formed into ⁇ particular a graphics card.
- the Schmsignalerzeu ⁇ ger can provide, for example, an RGB signal and / or an HDMI signal and / or a DVI signal and / or a display port signal as an image signal.
- RGB stands for "red
- the image signal generator preferably comprises appropriate signal ⁇ outputs to which corresponding matching image signal lines can be connected, for example.
- a detection device 417 which can detect the control signals, in particular from the control ⁇ signal lines 413 can tap. In this case, it may be provided that the detection device 417 displays state values or state parameters of the pixel values corresponding to the control signals. queries 407, this query may preferably be initiated by the computer 403.
- control signals or state values interrogated by the detection device 417 are then sent to the computer 403 via a connection 419, for example an Ethernet connection, a W-LAN connection and / or a mobile radio connection.
- a connection 419 for example an Ethernet connection, a W-LAN connection and / or a mobile radio connection.
- the communication can be carried out encrypted ⁇ selt.
- a pattern recognition means 421 is formed comprising a comparison means 422, the externally in egg ⁇ nem embodiment not shown, so se ⁇ ready, can be formed by the pattern recognition means 421st
- the pattern recognition device 421 is shown symbolically once with the comparison device 422 in the computer 403 and once externally from the computer 403 in an enlarged representation. Both arrangement possibilities, external and internal, can be provided simultaneously, in the case of two or more comparison devices, or individually.
- the pattern recognition device 421 performs a pattern recognition on the control signals and / or on the state parameters, which are sent by the detection device 417 to the
- Computer 403 will be sent. These transmitted control signals and / or transmitted state parameters are shown here symbolically with the arrow with the reference numeral 429.
- Symbolically represented by the reference numeral 425 is an eight (8) as input.
- the correspondingly formed image signals are here identified by the reference numeral 427, these image signals 427 then being transmitted to the scaler 409 for processing for a visual display of the eight by means of the pixel elements 407.
- this this.sgrö ⁇ SSE, which has not yet shown eight, was carried out because no pattern ⁇ recognition of the returned control signals and supply status values. Only in the arrow with the reference numeral 431, the eight as an input variable 425 Darge ⁇ presents, as here a corresponding pattern recognition was performed by means of the pattern recognition device 421.
- Pattern recognition device comprising a detection device may be formed. This means in particular that in this exemplary embodiment pattern recognition is then carried out on the corresponding signals externally by the computer 403. The recognized patterns are then sent via connection 419 to the computer 403. Internally in the computer 403, the comparison circuit 422 may then perform a comparison between the detected patterns with the reference pattern, wherein it may be preferable for the comparison circuit 422 to be arranged externally of the computer 403.
- FIG. 5 shows, inter alia, a graphical user interface of a graphical editor 501 in order to be able to write, for example, by means of graphical elements, which can represent, for example, commands and / or variables, a computer program which can be executed after compilation.
- graphical elements which can represent, for example, commands and / or variables, a computer program which can be executed after compilation.
- connections 509 between the input variables 503 and 507 and the input 505 are gebil ⁇ det.
- the input variables 503, 505 and 507 are provided with an identifier 511, 513, 515, in which case the identifiers 511, 513, 515 are formed as a data matrix code.
- the data matrix codes instead of or in addition to the data matrix codes another barcode and / or a predetermined graphical element may be used.
- reference patterns are further formed in each case based on the input parameters 503, 505 and 507 with their associated ⁇ arranged identifier and based on the compounds 509th It can preferably be provided that a single reference pattern is formed based on the three input variables 503, 505 and 507 with their associated identifier and the corresponding connections 509.
- the graphical user interface of the graphical editor 501 is usually represented by a display device not shown here.
- the graphical editor 501 is typically executed by a computer (not shown) so that inputs to the graphical editor 501 are fed to the computer.
- Based on the are provided for a Mus ⁇ more excellent recognition.
- pattern recognition is performed on the image signals. As a rule, one or more patterns are recognized.
- a comparison is made between the recognized patterns and the reference pattern (s).
- the erzeug ⁇ th reference pattern and the reference patterns created is stored in a memory 523 at step 510 and be.
- An exchange of correspondingly stored data between the memory 523 and a comparator, not shown here, the is configured to perform the step 519 is symbo ⁇ lisch with a double arrow with the reference numeral 520 Darge ⁇ represents. If it is determined in step 519 that the detected Mus ⁇ ter or the recognized pattern matches the reference pattern or the reference patterns respectively correspond, it is formed based on the detected patterns, a second checksum in accordance with a step 521st The checksum 521 is stored in the memory 523, which is here symbolically indicated by an arrow with the reference numeral 522.
- a first checksum basie ⁇ is rend formed on the supplied input variable, in this case on the input parameters 503, 505 and 507 with compounds 509, which is also in the memory 523 beauti ⁇ chert, particularly when the recognized pattern correspond to the Refe ⁇ renzmustern.
- This storage is here symbolically marked with an arrow with the reference numeral 525.
- the first checksum is formed on the basis of the supplied input variables stored in the memory 523. Preferably, calculates a first checksum for each respective applied input variable and to each stored input quantity supplied or are ge ⁇ forms.
- the data stored in the memory 523 that is to say in particular the first checksum and the second checksum, are sent to a further comparator 527.
- This Sen ⁇ den is symbolically represented here by means of the arrow with the reference numeral 526.
- the further comparison device 527 checks in particular whether the two checksums match. Thus, a further review will take place in an advantageous manner, whether to use the ⁇ input quantities 503, 505 and 507 with their Verbindun- 509 were also displayed correctly. Thus, even if, for example, systematic errors occur, with ⁇ means of further comparison device can 527 still a deviation or a mismatch can be reliably detected. This causes advantageously a significant security gain.
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102012208481.9A DE102012208481B4 (de) | 2012-05-21 | 2012-05-21 | Verfahren und Vorrichtung zum Betreiben eines Computersystems |
PCT/EP2013/059662 WO2013174658A1 (de) | 2012-05-21 | 2013-05-08 | Verfahren und vorrichtung zum überprüfen der datenanzeige in einem sicherheitskritischen system |
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EP2852895A1 true EP2852895A1 (de) | 2015-04-01 |
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EP13720972.2A Ceased EP2852895A1 (de) | 2012-05-21 | 2013-05-08 | Verfahren und vorrichtung zum überprüfen der datenanzeige in einem sicherheitskritischen system |
Country Status (5)
Country | Link |
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US (1) | US10325100B2 (de) |
EP (1) | EP2852895A1 (de) |
CN (1) | CN104471543B (de) |
DE (1) | DE102012208481B4 (de) |
WO (1) | WO2013174658A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018041777A1 (de) * | 2016-08-31 | 2018-03-08 | Siemens Aktiengesellschaft | Überwachen einer anzeige eines führerstands eines verkehrsmittels |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2619190T3 (es) | 2014-12-30 | 2017-06-23 | Matthias Auchmann | Método y sistema para la visualización segura de información relevante para la seguridad |
CN105654146A (zh) * | 2015-12-31 | 2016-06-08 | 田雪松 | 离散数据处理方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3043723A1 (de) * | 1980-11-20 | 1982-06-24 | Pfister Gmbh, 8900 Augsburg | Verfahren und vorrichtung zur ueberpruefung der funktionen eines anzeigesystems |
EP2189908A1 (de) * | 2008-11-06 | 2010-05-26 | ServiceTrace e.K. | Verfahren und Vorrichtung zum Bestimmen einer Kenngröße eines IT-Systems |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE902443A (fr) * | 1985-05-15 | 1985-09-02 | Hard & Soft Engineering | Procede pour verifier les donnees d'un dispositif d'affichage et dispositif d'affichage mettant en oeuvre ledit procede. |
DE4228917A1 (de) * | 1992-08-28 | 1994-03-03 | Siemens Ag | Verfahren zum signaltechnisch sicheren Anzeigen verkehrstechnischer Informationen eines Verkehrswegesystems |
JPH06309130A (ja) * | 1993-04-21 | 1994-11-04 | Fujitsu Ltd | 表示装置 |
DE4332143A1 (de) | 1993-09-17 | 1995-03-23 | Siemens Ag | Verfahren zum Betrieb eines Datensichtgerätes und Einrichtungen zur Durchführung des Verfahrens |
DE19703574A1 (de) | 1997-01-31 | 1998-08-06 | Alsthom Cge Alcatel | Verfahren zur sicheren Darstellung eines Bildes auf einem Monitor |
US8145914B2 (en) * | 2005-12-15 | 2012-03-27 | Microsoft Corporation | Client-side CAPTCHA ceremony for user verification |
US20120036081A1 (en) * | 2007-07-23 | 2012-02-09 | Hatter Brenda F | Method and system for a real-time interactive web/media-based electronic new or remote hire document processing system interfaced/interlink to an employer authorized distal/remote notaries public or 3rd party agent |
DE102007048608A1 (de) * | 2007-10-10 | 2009-04-16 | Robert Bosch Gmbh | Testeinrichtung, Anzeigevorrichtung und Verfahren zum Überprüfen einer Gültigkeit von Anzeigesignalen |
CN101515243A (zh) * | 2008-02-21 | 2009-08-26 | 鸿富锦精密工业(深圳)有限公司 | 图形显示卡测试系统及方法 |
ES2387459T3 (es) * | 2009-07-06 | 2012-09-24 | Deuta-Werke Gmbh | Procedimiento para representar información relativa a seguridad en un dispositivo de presentación y dispositivo para aplicar el procedimiento |
ATE535864T1 (de) * | 2009-07-06 | 2011-12-15 | Deuta Werke Gmbh | Verfahren zur darstellung einer sicherheitsrelevanten information auf einer anzeigevorrichtung und vorrichtung zur durchführung des verfahrens |
DE102010026392B4 (de) | 2010-07-07 | 2012-02-09 | Leuze Electronic Gmbh & Co. Kg | Verfahren zur sicheren Parametrierung eines Sicherheitsgeräts |
-
2012
- 2012-05-21 DE DE102012208481.9A patent/DE102012208481B4/de active Active
-
2013
- 2013-05-08 CN CN201380038503.1A patent/CN104471543B/zh active Active
- 2013-05-08 WO PCT/EP2013/059662 patent/WO2013174658A1/de active Application Filing
- 2013-05-08 EP EP13720972.2A patent/EP2852895A1/de not_active Ceased
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2014
- 2014-11-17 US US14/542,784 patent/US10325100B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3043723A1 (de) * | 1980-11-20 | 1982-06-24 | Pfister Gmbh, 8900 Augsburg | Verfahren und vorrichtung zur ueberpruefung der funktionen eines anzeigesystems |
EP2189908A1 (de) * | 2008-11-06 | 2010-05-26 | ServiceTrace e.K. | Verfahren und Vorrichtung zum Bestimmen einer Kenngröße eines IT-Systems |
Non-Patent Citations (1)
Title |
---|
See also references of WO2013174658A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018041777A1 (de) * | 2016-08-31 | 2018-03-08 | Siemens Aktiengesellschaft | Überwachen einer anzeige eines führerstands eines verkehrsmittels |
Also Published As
Publication number | Publication date |
---|---|
WO2013174658A1 (de) | 2013-11-28 |
US10325100B2 (en) | 2019-06-18 |
CN104471543B (zh) | 2016-09-28 |
DE102012208481A1 (de) | 2013-11-21 |
DE102012208481B4 (de) | 2022-03-03 |
CN104471543A (zh) | 2015-03-25 |
US20150074832A1 (en) | 2015-03-12 |
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