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

• Translationsgeste The invention relates to a switch actuator, a mobile device with the switch actuator and a method for actuating a switch with the
• Translational gesture in particular a human hand.
• 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 device for optically detecting a non-tactile gesture is conventionally a camera which disadvantageously takes up a large space and entails high investment costs.
• camera-based devices for gesture recognition in miniaturized design at low cost such as would be advantageous for use in mobile phones, not to realize.
• camera-based devices have a disadvantageous high energy consumption, which mobile
• Touch screens are only suitable for detecting tactile gestures and not for detecting non-tactile gestures.
• the object of the invention is a
• a switch actuator and a method for actuating a switch with the switch actuator by a non-tactile translational gesture to create the switch actuator has a miniaturized design at a low cost and low energy consumption and the operation of the switch with the switch actuator is safe and poor in error.
• the temporal succession of the signal excursion the exercise of one of the types of translational gestures can be determined, and having an actuator which is controlled by the signal evaluation unit and, as soon as the exercise of one of the types
• Translational Gestures is actuated, the switch actuated, wherein a first type of translational gestures by a movement of the part in a longitudinal direction, a second type of
• Translational gestures by a movement of the part against the longitudinal direction a third type of translational gestures by a movement of the part in one of the longitudinal direction
• Translational gestures is defined by a movement of the part against the transverse direction and four of the pixels in each case in one of the corners of a convex quadrilateral, one of the diagonals being substantially parallel to the longitudinal direction and the other diagonal being substantially parallel to the transverse direction.
• the inventive mobile device has the
• Switch actuator wherein the switch for activating / deactivating a functionality of the mobile device is connected in this.
• a switch actuator comprises the steps of: applying one of the possible translational gestures to the heat emitting part so that the sequence of signal excursions is output from the pixels to the signal evaluation unit; based on the sequence of signal rashes:
• Translational gesture is identified as the first, the second, the third or the fourth type; depending on the identified type of translation gesture: corresponding activation of the actuator for actuating the switch by the signal evaluation unit.
• the pyroelectric material lead zirconate titanate is preferred.
• the signals generated by the heat emitting part in applying the non-tactile translational gestures are so advantageous that the detection of the The type of translational gesture exercised with the method according to the invention can be carried out safely and with little error.
• the gesture sensor with the pixels 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 films by the heat emitted by the part, so that the gesture sensor does not need to be powered with an external power source.
• the switch operation means instructs the signal evaluation unit and the actuator as
• the quadrangle is a rhombus.
• the distance between two immediately adjacent pixels is preferably between 50 pm to 300 pm.
• the part is a human hand and the heat emitted from the part is the body heat radiated from the human hand.
• the method for operating the switch actuating device comprises the step:
• the first predetermined offset period is 0.5 ms.
• Simultaneity of the occurrence of the average signal beats for safe and error-free gesture recognition is set.
• the method for operating the switch actuator preferably further comprises the step of: checking whether the first time signal excursion at least a second predetermined offset period before the time second or third signal excursion and the fourth time
• the second predetermined offset period is between 7 ms and 40 ms.
• the second predetermined offset period specifies the time advance of the first signal excursion and the time delay of the last signal excursion relative to the average signal excursion for safe and error-free gesture recognition. Checking if the time lag of the middle
• Offset period is and whether the lead time of the first signal excursion and the time lag of the last
• the directions provided for the translational gestures are substantially parallel to the longitudinal direction or substantially parallel to the transverse direction.
• the signal deflections prefferably use either the amplitude profiles of the signals output by the pixels or the first derivative according to the time of the amplitude profiles of the signals output by the pixels.
• the pixels each have the thin layer of the pyroelectric material, preferably lead zirconate titanate.
• the respective S-shaped signal excursion has a sinusoidal shape, as shown in particular in FIG.
• Switch operator means the step of: identifying the shapes of the signal excursions and checking whether the shapes of the signal excursions each have the S-shape; is the
• pyroelectric material preferably lead zirconate titanate
• the characteristic S-form of Signal deflections during the approach of the part is the characteristic S-form of Signal deflections during the approach of the part and the
• the temporal occurrence of the maxima and / or minima of the S-shaped signal amplitudes of the signals of the pixels are used for the checks.
• the maxima and / or minima of the S-shaped signal amplitudes of the signals can be easily and precisely determined by the signal evaluation unit.
• 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 schematic representation of a gesture sensor
• 3 shows a diagram with amplitude profiles of signals of the gesture sensor from FIG. 2,
• FIG. 2 shows a schematic representation of a gesture sensor
• FIG. 4 shows a diagram with the first derivative after the time of the amplitude profiles from FIG. 3,
• Figure 5 is a detail view of Figure 3 and
• FIG. 6 shows a diagram with a prescription for the formation of the first derivative after the time of the amplitude profiles, as shown in FIG.
• FIG. 1 there is shown 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 for detecting non-tactile
• Translational gesture of the gesture sensor 1 detects one or more signals via the signal line 102 for
• the operation of the switch 103 is only triggered when the gesture sensor 1 and the
• Signal evaluation unit 101 one of four types
• Translational gestures 111 to 114 is identified.
• the translational gestures must be non-tactile with a hand 115 near the gesture sensor 1, using the gesture sensor 1 heat emitted by the hand 115 is detectable.
• the translational gesture of first type 111 is a
• Translational gesture of the second kind 112 a movement of the hand 115 from right to left, the translational gesture of the third kind 113, a movement of the hand 115 from bottom to top and the
• FIG. 2 is a schematic representation of the gesture sensor
• the first pixel 21 is seen in the upper corner of the rhombus 11, the second pixel 22 in the right corner of the rhombus 11, the third pixel 23 in the lower corner of the rhombus 11, and the fourth pixel 24 in the left corner of the rhombus 11 arranged.
• the distance 25 of two immediately adjacent pixels is between 50 pm to 300 pm.
• a longitudinal direction 31, which runs horizontally in FIG. 2, is parallel to the longitudinal diagonal 12, which is formed by the fourth pixel 24 and the second pixel 22.
• a transverse direction 32 is seen in Figure 2 parallel to
• Transverse diagonal 13 which is formed by the first pixel 21 and the third pixel 23.
• the translational gestures of the first type 111 and second type 112 run parallel to the longitudinal direction 31, whereas the translational gestures of the third type 113 and fourth type 114 run parallel to the transverse direction 32, wherein the
• the pixels 21 to 24 each have a thin film
• the signal upon exerting one of the translational gestures with the hand 115 of each pixel 21 through 24, the signal will be signal bounce 58 corresponding to the temporal intensity pattern of the thin film of the thin film corresponding pixels 21 to 24 detected heat to the
• Signal evaluation unit 101 is output.
• 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 designated by the reference numeral 54.
• FIG. 3 shows a diagram with the temporal amplitude profiles of the signals 51 to 54 output by the pixels 21 to 24, the time being plotted over the abscissa 61 and the time
• the signals 51 to 54 each have an S-shape, wherein a first part 56 of the S-shape of the signal excursion at an approach of the hand 115 to the gesture sensor 1 and a second part 57 following on the first part 56 of the S-shape of Signal excursion at one
• Removal of the hand 115 is generated by the gesture sensor 1.
• a signal level 55 at pixel passivity occurs, which occurs when no heat emitted by the hand 115 is detected by the gesture sensor 1.
• FIG. 5 shows a detail from FIG. 3, wherein the first part 56 of the S-shape of the signal excursion on approach
• the signals 51 to 54 are generated by the translational gesture of the first type 111.
• the hand 115 passes first the fourth pixel 24, then simultaneously the first pixel 21 and the third pixel 23, and then the second pixel 22. This results in a corresponding time offset of the signals 51 to 54, so that the signal 54 of the fourth pixel 24, the time-first signal and the signal 52 of the second pixel 22 are the last-time signal.
• the signals 52 and 53 of the second pixel 22 and the third pixel 23 are located in time between the signals 51 and 54.
• This temporal arrangement order of the signals 51 to 54 is also reflected in the arrangement of the minima 81 to 84, so that the fourth minimum 84 first and second minimum 82 occurs last, with first minimum 81 and third minimum 83 between minima 84 and 82.
• the translational gesture of the first type 111 is carried out so that the hand 115 is moved parallel to the longitudinal direction 31 and perpendicular to the transverse direction 32. As a result, the hand 115 is first detected by the fourth pixel 24 and lastly by the second pixel 22, with the detection of the hand 115 from the third pixel 23 and first pixel 21 interposed therebetween. Characterized in that the translational gesture of the first type 111 is perpendicular to the transverse direction 32 detect the first pixel 21 and the third
• the occurrence of the fourth minimum 84 is designated in FIG. 5 with a first time 91, the occurrence of the first time
• Time 92 and the third time 93 is in each case a time offset 94.
• any gesture may be exercised by the hand 115.
• Translational gesture to be actuated is necessary to identify the presence of a translational gesture of one of the four types 111-114.
• Signal evaluation unit 101 is checked whether the signals 51 to 54 have an S-shape and in the course of time first
• Amplitude deflection down and then up that is, whether first the minima 81 to 84 of the signals 51 to 54 and then their maxima occur. If this check is positive, signals 51 to 54 are used to identify the translational gesture. It would also be conceivable that the pixels 21 to 24 are connected in such a way that, when the same translational gesture is exercised, first the maxima and then the minimums occur. In addition, it is checked in the signal evaluation unit 101 whether the absolute values of all four minima 81 to 84 of the first part 56 of the S-shape of the signal excursion at
• the predetermined amplitude level is sized such that expected spurious signals from the environment of the gesture sensor 1 are below the predetermined amplitude level.
• the distance between two of the pixels 21 to 24, which are arranged immediately adjacent, is between 50 pm to 300 pm. Due to the usual movement speeds of the hand 115, the identification of the type 111 to 114 with the time sequence of the minima 81 to 84 or their associated maxima Translational gesture or rejection of the translational gesture as not belonging to one of the types 111 to 114 possible.
• the functioning of the signal evaluation unit 101 will be explained below with reference to the identification of the translational gesture of the first type 111.
• the identifications of the translational gestures of the other types 112 to 114 are analogous.
• the signal detected by the gesture sensor 1 is to be rejected as not belonging to a translational gesture of one of the four types 111 to 114. For example, in the
• Signal evaluation unit 101 determines that the first minimum 81 of the first pixel 21 and the third minimum 83 of the third pixel 23 occur within 0.5 ms, it is derived that either a translational gesture of the first type 111 or a translational gesture of the second type 112th is present. Then it is checked in the signal evaluation unit 101, whether the fourth minimum 84 of the fourth pixel 24 before and after the
• the fourth minimum 84 is 7 ms to 40 ms before the first minimum 81 or the third minimum 83, whichever of the minima 81, 83 occurs earlier, and the second minimum 82 is 7 ms to 40 ms after the first minimum 81 or the third minimum 83, depending on which of the minima 81, 83 occurs later, the translational gesture detected by the gesture sensor 1 becomes one
• Translational gesture of the first type 111 identified.
• the switch 103 is actuated via the actuator 104. Gestures that are not considered to be one of the four types 111 to 114 are identified, are discarded in the signal evaluation unit 101 and lead to none
• Translational gesture of the second to fourth types 112 to 114 takes place in an analogous manner. In principle, any combination of the checks in any order is conceivable.

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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)
• Geophysics And Detection Of Objects (AREA)
• Electronic Switches (AREA)
• Telephone Set Structure (AREA)
• Thermotherapy And Cooling Therapy Devices (AREA)
• Position Input By Displaying (AREA)

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• 2014
  • 2014-05-12 DE DE102014106661.8A patent/DE102014106661B4/de not_active Expired - Fee Related
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• 2015
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