Classifications

• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
  • G06F3/012—Head tracking input arrangements
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
  • G06F3/0304—Detection arrangements using opto-electronic means
  • G06F3/0308—Detection arrangements using opto-electronic means comprising a plurality of distinctive and separately oriented light emitters or reflectors associated to the pointing device, e.g. remote cursor controller with distinct and separately oriented LEDs at the tip whose radiations are captured by a photo-detector associated to the screen
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
  • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
  • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
  • H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
  • H03K17/943—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector using a plurality of optical emitters or detectors, e.g. keyboard
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
  • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
  • H03K17/945—Proximity switches
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
  • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
  • H03K2217/941—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector
  • H03K2217/94102—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector characterised by the type of activation
  • H03K2217/94106—Passive activation of light sensor, e.g. by ambient light
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
  • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
  • H03K2217/941—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector
  • H03K2217/94112—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector having more than one receiver

Definitions

• the invention relates to a switch actuator, a mobile device with the switch actuator and a method for actuating a switch with the
• Switch actuator by a non-tactile "push" - gesture in particular a human hand.
• a non-tactile "push” - gesture in particular a human hand.
• interactive systems and their man-machine interfaces are known, which are equipped with a device for the automatic detection of non-tactile or tactile gestures performed by humans.
• the gesture can be derived in principle from any posture and any body movement, with the largest
• the gesture recognition device is equipped with a device for optical detection, in particular of the gesturing hand, the image information generated thereby being evaluated with corresponding algorithms in order to derive a gesture from the image information.
• the apparatus for optically detecting a non-tactile gesture is conventionally a camera which adversely takes up a large space and has a high investment cost.
• Touch screens are suitable for detecting tactile gestures and are not suitable for detecting non-tactile gestures.
• the object of the invention is a
• Switch actuator a mobile device with the Switch actuator and a method for actuating a switch with the switch actuator by a non-tactile push gesture to create, wherein the
• Switch actuator has a miniaturized design at low cost and low energy consumption and the operation of the switch with the switch actuator is safe and poor in error.
• the switch actuator comprises a gesture sensor for actuating a switch by a non-tactile "push” gesture to be applied with a heat-emitting part and an approach phase in which the part approaches the gesture sensor, a waiting phase in which the part in FIG the proximity of the gesture sensor persists and one
• Retraction phase in which the part is to be moved away from the gesture sensor is formed, wherein the gesture sensor is adapted to detect the heat emitted by the part by means of at least one pyroelectric material having a thin film of pyroelectric material when applying the gesture and a signal per pixel with
• Sequence of the signal beats the exercise of the gesture is determined, and an actuator on, by the
• the pyroelectric material is in particular lead zirconate titanate.
• the inventive mobile device has the
• a switch actuator comprises the steps of: applying the non-tactile push gesture to the heat-emitting portion such that the signal excitation caused in the approach phase and the signal excursion caused in the retraction phase are output to the signal evaluation unit from between the signal bounce during of the
• Wait phase from the signal a wait level is reached, which has a lower absolute value than the level of signal excursions; Monitoring the signal and identifying the occurrence of a succession of the signal excursions and in time
• the alternative method for operating the switch actuating device comprises the steps of: applying two immediately consecutive non-tactile push gestures in which the waiting phase lasts zero seconds, with the heat-emitting part, so that a succession of pixels Signal excursion in the form of the signal excursion caused in the approach phase of the first "push” gesture, the signal excursion caused in the retraction phase of the first "push” gesture, the signal excursion caused in the approach phase of the second "push” gesture and the signal excursion caused in the Retraction phase of the second "push” gesture is output to the signal evaluation unit, wherein the signal excitations caused in the
• the gesture sensor with the pixel in such a miniaturized design at low cost can be produced that the
• Switch actuator for the mobile device is advantageously used.
• the signal is generated with the thin film by the heat emitted by the part, so that the gesture sensor does not need to be powered with an external energy source.
• the switch actuator on the signal value unit and the actuator as an energy consumer, so that the total energy consumption of
• Switch actuator for the mobile device is advantageously low.
• the gesture sensor has at least two of the pixels.
• the signal evaluation unit is two
• Gesture recognition is carried out advantageously redundant.
• the part is preferably a human hand and the heat emitted by the part is preferably the body heat radiated by the human hand.
• the recognition of the non-tactile "push" gesture with the human hand is usually more human
• the first alternative method according to the invention comprises the step of: checking whether the time offset of the signal deflections is within a first predetermined range
• the first alternative method according to the invention comprises the step of: checking whether the signal excursions have different directions; is the Review positive, proceed to the next step. It is further preferred that for the signal deflections of
• Amplitude curve of the signal output from the pixel is used. In this case, it is preferable to check whether the absolute value of the wait level is at most 20% of the absolute value of the signal level that is at a
• Non-response of the pixel prevails.
• the signal excursions it is preferable for the signal excursions to use the first derivative after the time of the amplitude characteristic of the signal output by the pixel.
• the waiting level is at most 20% of at least one of the absolute values of the signal level of the signal deflections. It is also preferred that it is checked whether the
• Each succession is a period of time that is within a predetermined time range.
• the predetermined time range is from 100 ms to 1500 ms.
• the second alternative method according to the invention preferably has the step:
• the gesture sensor has at least two of the pixels and that it is preferably checked whether the analog, associated signal amplitudes are each within a second predetermined period of time; is the review
• the second predetermined period of time is 50 ms.
• the absolute value of the waiting level should preferably be at most 20% of the absolute value of the signal level, it is advantageously achieved that interference signals which occur approximately at
• Influences are emitted from the environment of the gesture sensor, the Gesture evaluation not or at least hardly affect, whereby the accuracy of the gesture recognition is increased.
• the processes of signal excursions which are associated with the "push” gesture
• the accuracy in detecting the "push” gesture from any gestures is advantageously high, whereby a safe and error-free gesture recognition is possible.
• the processes of the signal deflections correspond to one
• FIG. 1 shows a schematic representation of a switch actuating device according to the invention for a mobile device according to the invention
• FIG. 2 shows a diagram with amplitude profiles of signals of a gesture sensor from FIG. 1,
• FIG. 3 shows a diagram with the first derivative after the time of the amplitude sequences of FIG. 2,
• Figure 4 is a detail view of Figure 2 and
• FIG. 5 shows a diagram with a prescription for the formation of the first derivative after the time of the amplitude profiles, as shown in FIG.
• a switch actuator 100 incorporated in a mobile device.
• Switch operating device 100 has a gesture sensor 1 and a signal evaluation unit 101, which via a
• Signal line 102 for transmitting signals from the gesture sensor 1 to the signal evaluation unit 101 is coupled. According to the evaluation of the signals from the gesture sensor 1 to the
• Signal evaluation unit 101 are transmitted, the signal evaluation unit 101 activates or deactivates an actuator 104 with which a switch 103 of the mobile device can be actuated.
• the switch 103 is for activating / deactivating a
• the gesture sensor 1 is provided for detecting "push” gestures, wherein, depending on whether a "push” gesture 115
• Signal line 102 are transmitted to the Signalausncephaliser 101, due to which the operation of the switch 103 is accomplished via the actuator 104.
• the operation of the switch 103 is accomplished via the actuator 104.
• Switch 103 is only triggered if the "push" gesture 115 is identified by the gesture sensor 1 and by the signal evaluation unit 101.
• the gestures are with one hand 114 near the
• the exercise gesture sensor 1 non-tactile, wherein the gesture sensor 1 from the hand 114 emitted heat is detectable.
• the push gesture 115 is composed of the immediate timing of an approach phase 111, a wait phase 113, and a retraction phase 112. Upon execution of the push gesture 115, the hand 114 is presented to the gesture sensor 101 during the
• the switch 103 is actuated with two consecutively executed "Push" gestures, each of which only from the Approach phase 111 and the withdrawal phase 112 exist, wherein the waiting phase 113 is zero seconds. That is, in these two "push” gestures with the wait phase 113 equal to zero seconds, the hand 114 approaches the gesture sensor 1, moves away, approximates and then moves away again, without the hand 114 in the vicinity of the gesture sensor 1 a
• the signal evaluation unit 101 is set up in such a way that it receives the "push" gesture with the waiting phase 113, which lasts more than zero seconds, and / or two consecutive "push" gestures
• the gesture sensor 1 has a first pixel 21, a second pixel 22, a third pixel 23 and a fourth pixel 24.
• the pixels 21 to 24 each have a thin film
• the signal of the first pixel 21 is denoted by the reference numeral 51
• the signal of the second pixel 22 is denoted by the reference numeral 52
• the signal of the third pixel 23 is denoted by the reference numeral 53
• the signal of the fourth pixel 24 is denoted by the reference numeral 54.
• Figure 2 is a diagram with the temporal
• the signals 51 to 54 each have signal deflections 56, 57, the signal deflections 56 being generated when the hand 114 approaches the gesture sensor 1 and the signal deflections 71 when the hand 114 retracts from the gesture sensor 1.
• Signal swings 56, 57 is a waiting period 58 settled which forms the waiting phase 113, whereas the signal deflections 56 form the approach phase 111 and the signal deflections 57 form the withdrawal phase 112.
• a signal level 55 sets at pixel passivity, which occurs when no heat emitted by the hand 114 from the
• Gestensensor 1 is detected.
• the signal level 55 also adjusts itself in advance of the signal excursion 56 on approaching and following the signal excursion 57 upon withdrawal of the hand 114.
• the ordinate 63 in FIG. 3 shows the first derivative after the time of the amplitude profiles plotted in FIG.
• Figure 5 is a
• the amplitude profile is formed, in particular, by a first support point 71, a second support point 72, wherein the support points 71 and 72 are offset in time by a time increment 73 and an amplitude difference 74 is formed between the support points 71 and 72.
• Derivation after time is discrete with a quotient of the amplitude difference 74 and the time increment 73 to form.
• Gestensensor 1 is shown enlarged.
• the waveforms of the amplitudes of the signals 51 to 54 are shown, wherein each of the amplitude curves has a minimum 81 to 84.
• the signals 51 to 54 are generated by the "push" gesture 115 according to the first alternative When exerting the "push” gesture 115, the four pixels 21 to 24 are simultaneously addressed. As a result, the qualitative course of the signals 51 to 54 is simultaneous, so that the minima 81 to 84 at the same time at time 91
• the "push" gesture 115 is carried out so that the hand 114 is moved toward the gesture sensor 1 during the approach phase 111, while the wait phase 113 in the vicinity of the gesture sensor 1 remains the waiting time 58 and then again from the gesture sensor 1 during the withdrawal phase 112 is moved away. The movement of the hand during the
• the pixels 21 to 24 simultaneously detect the heat emitted by the hand 114, so that the signals 51 to 54 are generated by the pixels 21 to 24.
• any gesture may be exercised by the hand 114.
• the signals 51 to 54 are transmitted from the gesture sensor 1 to the signal evaluation unit 101.
• the signal evaluation unit 101 it is checked whether the signals 51 to 54 have the signal deflections 56 and 57, wherein the wait level 55 is to be present between the signal deflections 56 and 57 during the waiting phase 113. It is further checked in the signal evaluation unit 101, whether the
• Time offset of the signal excursions 56 and 57 within a first predetermined period of time which can be selected between 300 ms and 2000 ms.
• a first predetermined period of time which can be selected between 300 ms and 2000 ms.
• Signal evaluation unit 101 checks whether the signal excursions 56 and 57 have different directions. That is, it is checked whether the signal excursion 56 is a lower level than the waiting level 55 and the signal excursion 57 a higher
• Signal rash 57 has a lower level than the waiting level 55.
• the signal evaluation unit 101 in the signal evaluation unit 101
• the gesture detected by the gesture sensor is identified as the "push" gesture 115. Accordingly, as it is in the
• Signal evaluation unit 101 is deposited, the switch 103 is actuated via the actuator 104. Gestures not as the
• Signal evaluation unit 101 discarded. In principle, any combination of the checks in any order is conceivable. Alternatively, the signal evaluation unit 101 is such
• Signal evaluation unit 101 is actuated via the actuator 104 when there is a time interval of 100 ms to 1500 ms between the individual signal fluctuations of the sequence and whether the associated signal amplitudes are each within a period of 50 ms. Basically, any combination is at the checks in any one

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Theoretical Computer Science (AREA)
• Human Computer Interaction (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• User Interface Of Digital Computer (AREA)
• Telephone Function (AREA)
• Photometry And Measurement Of Optical Pulse Characteristics (AREA)
• Electronic Switches (AREA)
• Geophysics And Detection Of Objects (AREA)
• Thermotherapy And Cooling Therapy Devices (AREA)
• Telephone Set Structure (AREA)
• Position Input By Displaying (AREA)

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• 2014
  • 2014-05-12 DE DE102014106680.4A patent/DE102014106680B4/de not_active Expired - Fee Related
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  • 2014-05-22 WO PCT/EP2014/060549 patent/WO2014187902A1/de not_active Ceased
  • 2014-05-22 CN CN201480039987.6A patent/CN105531931A/zh active Pending
  • 2014-05-22 KR KR1020157036254A patent/KR20160012201A/ko not_active Withdrawn
  • 2014-05-22 JP JP2016514414A patent/JP2016530481A/ja active Pending
  • 2014-05-22 CN CN201480039985.7A patent/CN105493408A/zh active Pending
  • 2014-05-22 WO PCT/EP2014/060551 patent/WO2014187904A1/de not_active Ceased
  • 2014-05-22 EP EP14725696.0A patent/EP3005564B1/de active Active
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• 2015
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