TWI696945B - Module, electrical device and process to operate a module - Google Patents

Abstract

The present invention provides a module for providing a human-machine interface, wherein the module is suitable for positioning objects in a positioning area, wherein the module is suitable for generating a primary beam, and the module has a scanning mirror structure , Where the scanning mirror structure can be controlled in a manner such that the primary beam performs a scanning movement generally along the irradiation surface located in the positioning area, wherein the module adopts a certain configuration scheme so that when passing through the primary When the beam interacts with the object in the irradiation surface to generate a primary signal, the secondary signal is detected. The module is adapted to generate positioning information based on the secondary signal. The module has a A light source for generating the primary beam and an optical detection mechanism for detecting the secondary signal, wherein the light source, the scanning mirror structure and the optical detection mechanism are integrated in the module.

Description

Module information appliance and method for operating module

The starting point of the present invention is a module as described in the preamble to item 1 of the patent application scope.

Devices for providing human-machine interfaces are known to me.

The object of the present invention is to propose a module for providing a human-machine interface, which has a relatively compact structure and thus has multiple uses.

Compared with the prior art, the advantage of the module of the present invention and the method of the present invention as described in the parallel item is that it provides a relatively compact and simple structure, but can relatively accurately and reliably determine user instructions . In addition, the object can be positioned extremely, especially the finger, so as to realize a module that can be applied very flexibly and recognize user instructions by collecting user gestures. In a certain way, the light source, scanning mirror structure and optical detection mechanism are integrated into a single module of the present invention, so that the module can be flexibly incorporated into many different types of equipment. Due to the modular structure, the modular concept can be followed to adjust each component or the entire module more flexibly according to different requirements. Due to the use of a scanning mirror structure including a micro-electromechanical system (MEMS) in particular, compared with the prior art, the advantage of the module of the present invention is that it is miniaturized A relatively high-level module for providing human-machine interfaces. The human-machine interface is also referred to herein as Human-Machine-Interface (HMI), and the module is also referred to as an HMI module.

In particular, the human-machine interface refers to a user interface through which a person can interact with or input commands to the information appliances and/or modules in some way, thereby controlling the information appliances and/or modules And/or operation. The module is especially used as a command transmitter for information appliances. The object is preferably a finger, a pen, or another object placed and/or moved by the user in the positioning area. In particular, positioning here refers to determining the position coordinates of the object relative to the module, wherein the distance between the object and the module and/or the speed of the object relative to the module is specifically determined according to the position coordinates Detect. In particular, the interaction of the primary beam and the object means that the primary beam is reflected on the object so that the secondary signal is the reflected primary beam that can be detected by the optical detection mechanism section. The light source is preferably suitable for generating the primary beam entering the positioning area, wherein the primary beam includes, for example, visible light and/or infrared light. In particular, the scanning motion of the primary beam (approximately along the irradiation surface) refers to the grid-like or row-like periodic motion of the primary beam between the two positioning limits of the positioning area, where in particular, the The primary beam is a continuous or pulsed beam. The optical detection mechanism is preferably adapted to detect the secondary signal, wherein when the object is in the illuminated surface, the secondary signal is generated in particular by the interaction of the primary beam and the object, Therefore, the secondary signal can be detected.

For advantageous design schemes and improvement schemes of the present invention, please refer to the accompanying items and the description made in conjunction with the drawings.

According to a preferred improvement, the scanning mirror structure can be adjusted to a position between two maximum deflection positions, wherein the scanning mirror structure adopts a certain configuration scheme so that the primary beam is Positioning between two positioning limits of the positioning area Exercise in the plane.

In this way, the object can be positioned with higher accuracy. In particular, the scanning movement substantially along the irradiation surface refers to a scanning movement which is substantially a single line.

According to another preferred improvement, the scanning mirror is configured as a microelectromechanical system (MEMS), wherein the scanning mirror configuration has a microelectromechanical scanning mirror element, wherein the scanning mirror element has a /Or a mirror member that is offset about a second axis that is substantially perpendicular to the first axis, where in particular, the mirror member can be offset about the first and second axes or can only be done about the first axis Offset.

In this way, a relatively tight module can be provided, which can locate the object relatively accurately and quickly.

According to another preferred improvement, the module has a wide-angle optical system, wherein the wide-angle optical system or the extended optical system has a convex mirror optical system, a concave mirror optical system, and a DOE (Diffractive Optical Element, around Optical element) and/or a lens or lens system.

In this way, a relatively large opening angle can be generated by the wide-angle optical system through relatively small deflection or change of the deflection position of the movable scanning mirror element. In this way, the object can be accurately and quickly positioned by the construction of a single movable mirror. In particular, the wide-angle optical system is fixedly integrated in the module.

According to another preferred improvement, the module has another light source integrated in the module, wherein the other light source is suitable for generating another primary beam, and the scanning mirror structure adopts a certain configuration scheme, so as to be roughly Perform another scanning movement along another irradiation surface in the positioning area, where the module adopts a certain configuration scheme so that when passing through the other primary beam and the When the interaction of the objects in the irradiation surface generates another secondary signal, the other secondary signal is detected, wherein the module is adapted to generate another positioning information according to the other secondary signal.

In this way, the positioning accuracy of the object can be further improved both in the irradiation surface and in the other irradiation surface.

According to another preferred improvement,-the scanning mirror element is adapted to generate the scanning movement and to generate the other scanning movement, or-the scanning mirror configuration has another scanning mirror element, wherein the scanning mirror element is adapted The scanning motion is generated, and the other scanning mirror element is adapted to generate the other scanning motion.

In this way, the two irradiation surfaces can be realized in different ways, and thus the module can be adjusted according to different requirements, thereby improving the positioning accuracy.

According to another preferred improvement, the irradiation surface and the other irradiation surface are arranged parallel to each other, wherein the irradiation surface and the other irradiation surface overlap along a projection direction substantially perpendicular to the irradiation surface, wherein In other words, the irradiation surface completely overlaps the other irradiation surface. In addition, according to another preferred improvement, the irradiation surface and the other irradiation surface are separated by an irradiation distance along the projection direction, wherein the irradiation distance is preferably 0 to 50 mm, particularly preferably 1 to 5 mm, and most preferably 3 mm.

In this way, the positioning accuracy can be further improved. In addition, in particular, when the object is caused to pass through the illuminating surface and the other illuminating surface in sequence, the object motion of the object can be detected in a projection direction perpendicular to the illuminating surface. In particular, in this way, the click or touch motion of the object can be detected.

According to another preferred improvement, the wide-angle optical system and the illuminated surface The bodies are arranged in different planes perpendicular to the projection direction of the illuminated surface.

Thereby, the compactness of the structural form of the module can be further increased, because the light source and the scanning mirror structure are arranged in a manner overlapping with the wide-angle optical system.

According to another preferred improvement, the module is suitable for positioning by time-of-flight method and/or by intensity measurement.

In this way, the object can be positioned with a relatively high accuracy and resolution.

According to another preferred improvement, the optical detection mechanism includes an optical detection element, wherein-the optical detection element and the light source are integrated in the same semiconductor laser element, wherein in particular, the semiconductor element includes A vertical cavity surface-emitting laser (VCSEL) or a surface-emitting laser containing an external vertical cavity (VeCSEL), or-the optical detection element and the light source are arranged separately from each other, wherein the optical detection The measuring element and the scanning mirror structure are separated by an offset distance, wherein the offset distance is less than 5 cm, preferably less than 2 cm, and most preferably less than 1 cm.

In this way, a more compact and smaller implementation of the module can be realized.

According to another preferred improvement, the information appliance can be controlled based on the positioning information and/or the other positioning information.

In this way, the module can be used by an information appliance to provide a human-machine interface on the information appliance. Specifically, the information appliance is a portable information appliance, a communication terminal, a laptop computer, a notebook computer, a personal computer, a television, or another device for electronic data processing.

According to a preferred improvement of the method of the present invention, in the second operation step, the primary beam constructed toward the scanning mirror is deflected in a certain manner and toward the wide-angle optical system, thereby passing through the wide-angle optical system such that The primary beam is deflected to the irradiation surface. According to the present invention, the wide-angle optical system can select the angle through which the primary beam passes through to be larger than the scanning angle of the mirror member. The beam shaping optical system of the light source is preferably matched to the wide-angle optical system in a manner such that the diameter of the beam shaping of the primary beam after the wide-angle optical system does not exceed 5 mm, preferably does not exceed 3 Mm, particularly preferably not more than 1 mm, and best not more than 0.5 mm.

In this way, a relatively large opening angle can be generated through a relatively small deflection or change of the deflection position of the scanning mirror structure. In this way, the object can be accurately and quickly positioned by the construction of a single movable mirror.

For the embodiments of the present invention, refer to the drawings, and these embodiments will be further described below.

1: Information appliances

2: Module

2': Module bottom

3: primary beam

3': primary beam

3": primary beam

4: Object

5: secondary signal

5': Another secondary signal

6: Light source

6': another light source

7: Scanning mirror element

7': another scanning mirror element

8: Wide-angle optical system

8': Mirror element

8": another mirror element

9: Optical detection mechanism

10: base, bearing surface

11: Irradiation distance

12: Offset distance

13: Irradiation distance

21: The first sub-module, optical module

22: Second sub-module, scanning module

23: Third submodule, first control and/or detection module

24: Fourth sub-module, analysis module

25: Fifth sub-module, second control and/or detection module

26: Sixth sub-module, control module

27: The seventh sub-module, camera module

28: Eighth sub-module, communication module

30: Irradiated surface

30': another illuminated surface

71: Mirror component

100: main extension plane

101: Irradiation direction

101': the first irradiation direction

101": the second irradiation direction

103: projection direction

1 to 7 show modules in different embodiments of the present invention. FIG. 1 is a schematic diagram of a module 2 for providing a human-machine interface in an embodiment of the present invention.

FIG. 2 shows the module 2 in an embodiment of the invention. The module 2 has a light source 6 for generating the primary beam 3.

FIG. 3 shows the module 2 in an embodiment of the invention.

FIG. 4 shows the module 2 in an embodiment of the invention.

FIG. 5 shows the module 2 in an embodiment of the invention.

FIG. 6 shows the module 2 in an embodiment of the invention.

FIG. 7 shows the module 2 in an embodiment of the invention.

In the drawings, the same components are always indicated by the same element symbols, so these components are usually named or mentioned only once.

FIG. 1 is a schematic diagram of a module 2 for providing a human-machine interface in an embodiment of the present invention. According to this embodiment, the module 2 is suitable for positioning objects 4 arranged in the positioning area in the manner of the irradiation surface 30. The module 2 adopts a certain configuration scheme, so that the primary beam 3 generally performs a scanning movement along the irradiation surface 30, wherein when the primary beam 3 interacts with the object 4 in the irradiation surface 30 in a manner to generate the secondary signal 5 When functioning, the secondary signal 5 is detected. For example, when the primary beam 3 is emitted along the irradiation direction 101 and is incident on the object 4, and when the object viewed from the module 2 is in the irradiation surface 30 along the irradiation direction 101, the primary beam 3 is transmitted The reflection on the object 4 generates the secondary signal 5.

The module 2 is suitable for positioning the object 4 by detecting the secondary signal 5, wherein the object 4 is positioned according to distance detection and/or intensity detection, in particular distance detection by time-of-flight method and /Or intensity detection through intensity measurement, where the intensity detection includes comparing the intensity of the measured secondary signal 5 with the reference intensity. For example, the reference intensity is measured in the reference measurement, and the reference intensity is stored in the module 2.

The positioning of the object 4 here refers to: determining the position of the entire object or only a part of the object (for example, the projection point generated by the primary beam 3 on the surface of the object 4), wherein the position determination is based on the module 2 The determination of the distance or spacing from the object 4 (or object part), and/or based on the projection point (associated with the object part) relative to another (with another object) (Partially related) the determination of the position of the projection point, in particular, the projection point and another projection point are generated at different points in time during the scanning movement.

The module 2 preferably has a first submodule 21, a second submodule 22, a third submodule 23, a fourth submodule 24, a fifth submodule 25, a sixth submodule 26, a seventh Submodule 27, eighth submodule 28 and/or other submodules. In this way, a module 2 with a modular structure can be provided, which can be adjusted in a way that matches a plurality of different information appliances and/or application examples according to the modular concept.

According to an exemplary embodiment of the module 2, the first sub-module 21 is an optical module 21 suitable for generating the primary beam 3 and/or another primary beam, and/or the second sub-module 22 is A scanning module 22 suitable for generating the scanning motion of the primary beam 3 and/or another scanning motion of the other primary beam 3', and/or the third sub-module 23 is suitable for generating The first control and/or detection module 23 of the detection signal of the signal 5 and/or another secondary signal, and/or the fourth submodule 24 is an analysis module 24 for generating positioning information, and/or Alternatively, the fifth sub-module 25 is the second control and/or detection module 25, and/or, the sixth sub-module 26 is the control module 26 for controlling the power supply, and/or, the seventh The sub-module 27 is a camera module, and/or the eighth sub-module 28 is a communication module 28 suitable for communicating with the information appliance 1 and/or transmitting data to the information appliance 1.

FIG. 2 shows the module 2 in an embodiment of the invention. The module 2 has a light source 6 for generating the primary beam 3. The light source is preferably a laser diode, such as a surface-emitting laser. In particular, the primary beam 3 generated by the light source 6 is a visible beam 3 (ie, light with a wavelength of 380 nanometers (nm) to 780 nanometers) or an infrared (IR) beam 3.

Here the module 2 has a scanning mirror in the form of a microelectromechanical scanning mirror element 7 structure. In particular, the module 2 adopts the following configuration scheme: the primary beam 3 is deflected in a certain manner through the scanning mirror configuration, so that the primary beam 3 extends substantially along the (flat) irradiation surface 30. The micromechanical scanning mirror element 7 can be adjusted to a plurality of deflection positions between the two maximum deflection positions (of the scanning mirror element 7). In the first maximum deflection position among the two maximum deflection positions, the primary beam 3 is emitted along the irradiation surface 30 through the scanning mirror structure along the first irradiation direction 101 ′. In the second maximum deflection position among the two maximum deflection positions, the primary beam 3 is emitted along the irradiation surface 30 along the second irradiation direction 101" through the scanning mirror structure. Here, the first irradiation direction 101' and the second The irradiation direction 101" defines the positioning limits 101', 101" of the positioning area (irradiated surface 30). Specifically, in the present embodiment, the "positioned area" has the same meaning as the "irradiated surface 30". In particular, the arrangement of the micromechanical scanning mirror element 7 is such that when a control signal is applied to the scanning mirror element 7, the scanning mirror element 7 performs a deflection movement between the two maximum deflection positions. In particular, the primary beam 3 is a laser beam 3, such as a continuous laser beam 3 or a pulsed laser beam 3.

In particular, the primary beam 3 is moved by a scanning frequency during the scanning movement, wherein the scanning frequency is related to the scanning period of the scanning movement. In particular, during this scan period, the primary beam 3 reaches the second positioning limit 101" (from the element symbol is as follows) from the first positioning limit 101' (shown by the elementary beam with element symbol 3') The 3" primary beam is shown) and then scanned or shifted back to the first positioning limit 101'. The scanning frequency is preferably 1 to 2000 Hertz (Hz), particularly preferably 5 to 500 Hertz, and most preferably 10 to 200 Hertz.

In the deflection position between the maximum deflection positions of the scanning mirror element 7, the primary beam 3 is emitted in the irradiation direction 101. When the object 4 (for example, the user's finger 4) is arranged or located in the irradiation surface 30 in such a way that the object 4 contacts or intersects with the irradiation surface 30, the primary beam 3 interacts with the object 4 (eg, reflection) To generate secondary signal 5. For example, Through the movement of the object 4, the object 4 moves into the irradiation surface 30 along the projection direction 103 perpendicular to the irradiation surface 30, so that the object 4 is arranged on or in the irradiation surface 30. In this case, when the primary beam 3 is emitted along the irradiation direction 101 (during the scanning movement), the secondary signal 5 is generated.

The module 2 includes an optical detection mechanism 9 suitable for detecting the secondary signal 5, which includes an optical detection element such as a photodiode. According to an alternative embodiment, especially when the light source is a VCSEL, the optical detection element containing the light source is monolithically integrated. The module 2 is preferably adapted to generate a detection signal according to the secondary signal 5 detected by the optical detection element. In particular, the module 2 is adapted to generate positioning information according to the detection signal. Preferably, the module 2 is adapted to generate a position detection signal about a deflection position of the scanning mirror element 7 during the detection of the secondary signal 5, so as to detect the signal according to the detection signal and the position The positioning information is generated in a time-parsed manner. Specifically, the positioning information includes distance information about the distance between the object 4 and the module 2, and/or orientation information about the orientation direction of the object 4 relative to the module 2, and/or about the projection point on the object surface of the object 4 Position coordinates on the coordinates. In particular, the module 2 is suitable for locating the object through time-of-flight (TOF, Detection) and/or intensity comparison through time-analyzed analysis.

FIG. 3 shows the module 2 in an embodiment of the invention. The figure shows a system including a module 2 and a base 10, wherein the module 2 has a module bottom surface 2', which bottom surface abuts against a base 10 (support surface) such as a workbench. In this embodiment, the support surface 10 mainly extends along the plane 100. In particular, the module 2 adopts a certain configuration scheme, so that when the module 2 abuts on the support surface 10 through the module bottom surface 2', the irradiation surface 30 and the main extension plane 100 are substantially parallel to each other, and There is an irradiation distance 11 (in the projection direction 103 perpendicular to the irradiation surface 30) between the support surface 10 and the irradiation surface 30. The irradiation distance 11 is preferably 0.1 to 10 millimeters (mm), It is particularly preferably 0.5 to 5 mm, and most preferably about 1 mm.

In the embodiment shown in FIG. 3, the light source 6, the scanning mirror element 7, and the optical detection element are generally arranged in the first module plane, and the wide-angle optical system 8 is arranged in the second module plane, wherein the The first and second module planes are substantially parallel and spaced apart from each other by a certain distance. In this way, it is possible to provide the module 2 with an extremely compact structure. As an alternative, according to the present invention, the light source 6, the scanning mirror element 7, the optical detection element (optical detection mechanism 9) and the wide-angle optical system 8 may be arranged in a common module plane.

FIG. 4 shows the module 2 in an embodiment of the invention. The figure shows an offset distance 12, where the offset distance extends from the first position of the module 2 (the module 2 emits the primary beam 3 at the first position) to the second position of the module 2 (module Group 2 detects the secondary signal 5 at the second position). The first position corresponds to, for example, the beam output area of the module 2, and the second position corresponds to, for example, the detection area of the module 2, in which an optical detection element (optical detection mechanism 9) is arranged . In the present invention, the offset distance 12 is less than 5 cm, preferably less than 2 cm, and most preferably less than 1 cm.

FIG. 5 shows the module 2 in an embodiment of the invention. In this embodiment, the module 2 includes a light source 6 and another light source 6'. The further light source 6'is suitable for generating another primary beam 3'. Here, the scanning mirror configuration is suitable for generating another scanning movement of the further primary beam 3'substantially along the other irradiation surface 30'. Here, the irradiated surface 30 and the other irradiated surface 30' form a positioning area. In particular, the other scanning motion of the other primary beam 3'and the scanning motion of the primary beam 3 may be implemented by the same or different scanning frequencies, and/or in a synchronous or asynchronous manner. The wide-angle optical system 8 here has a mirror element 8 ′ and another mirror element 8 ″. Through the scanning mirror element 7, the primary beam 3 is directed toward the mirror element 8 ′, and the other primary beam 3 ′ is directed toward another mirror element 8”. Here, the mirror element 8 ′ and the other mirror element 8 ″ adopt a certain configuration scheme, so that the primary beam 3 is emitted along the irradiation surface 30 during the scanning motion, and during the other scanning motion Another primary beam 3'is emitted along the other irradiation surface 30'. Here, the irradiation surface 30 is separated from the other irradiation surface 30 ′ by an irradiation distance 13 along the projection direction.

When the object 4 is arranged in the irradiation surface 30, and the primary beam 3 interacts with the object 4, a secondary signal 5 is generated and detected by the optical detection element (optical detection mechanism 9) . When the object 4 is arranged in another irradiation surface 30', and the other primary beam 3'interacts with the object 4, another secondary signal 5'is generated and passes through the optical detection element (optical detection mechanism 9) ) Detect the other secondary signal. According to an alternative embodiment (not shown), especially when the light source 6 and the other light source 6'are VCSELs, the secondary signal 5 is detected through the light source 6, and the other light source 6' Primary signal 5'is detected. By using two (flat and parallel) irradiation surfaces 30, 30', the object 4 can have a relatively high positioning accuracy.

FIG. 6 shows the module 2 in an embodiment of the invention. The difference between the embodiment shown in this figure and the embodiment shown in FIG. 5 is that the light source 6 and another light source 6'adopt the following layout or arrangement scheme: the primary beam 3 and another primary beam 3'are carried out in some way Guidance so that the primary beam 3 is emitted substantially along the irradiation surface 30 and another primary beam 3'is emitted generally along the other irradiation surface 30', wherein the primary beam 3 and the other primary beam 3'are from the light source 6 or another light source 6'is incident on the scanning mirror element 7 at approximately the same point. The wide-angle optical system 8 uses, for example, a free-form body.

FIG. 7 shows the module 2 in an embodiment of the invention. In this embodiment, the module 2 has a scanning mirror structure including a microelectromechanical scanning mirror element 7, another microelectromechanical scanning mirror element 7 ′, and a wide-angle optical system 8. Here, the irradiation surface 30 and the other irradiation surface 30' are arranged in series In the same plane, where the scanning beam element causes the primary beam 3 to generally perform a scanning movement along the irradiation surface 30, and the other scanning mirror element causes the other primary beam 3'to substantially along the other irradiation surface 30' Perform a scanning motion. In this way, a relatively high angular resolution can be achieved when positioning the object 4.

As an alternative, the light source 6 is, for example, a VCSEL dual sensor, wherein the VCSEL dual sensor is suitable for generating the primary beam 3 and detecting the secondary signal 5.

2: Module

3: primary beam

3': primary beam

3": primary beam

4: Object

5: secondary signal

6: Light source

7: Scanning mirror element

8: Wide-angle optical system

9: Optical detection mechanism

101: Irradiation direction

101': the first irradiation direction, the first positioning limit

101": Second irradiation direction, second positioning limit

103: projection direction

Claims (21)

A module (2) for providing a human-machine interface, wherein the module (2) is suitable for positioning an object (4) in a positioning area, the positioning area is in a manner of illuminating a surface (30), wherein the The module (2) is suitable for generating a primary beam (3), wherein the module (2) has a scanning mirror structure in the form of a scanning mirror element (7, 7'), wherein the scanning mirror structure can be controlled as, Causing the primary beam (3) to perform a scanning movement generally along the irradiation surface (30), wherein the module (2) adopts a certain configuration scheme so that when the primary beam (3) passes through the When the primary signal (5) is generated by the interaction of the object (4) in the illuminated surface (30), the secondary signal (5) is detected, wherein the module (2) is adapted to the secondary signal (5) 5) Generate positioning information, characterized in that the module (2) has a light source (6) for generating the primary beam (3) and a detector for detecting the secondary signal (5) An optical detection mechanism (9), wherein the light source (6), the scanning mirror structure and the optical detection mechanism (9) are integrated in the module (2), wherein the optical detection mechanism (9) includes a An optical detection element, wherein the optical detection element and the light source (6) are integrated in the same semiconductor laser element, in particular, the semiconductor element is a surface-emitting laser (VCSEL) or a vertical cavity A surface-emitting laser (VeCSEL) containing an external vertical cavity, or the optical detection element and the light source (6) are arranged separately from each other, wherein the optical detection element and the scanning mirror structure are separated by an offset Distance (12), where the offset distance (12) is less than 5 cm. For example, the module (2) of item 1 of the patent application scope, wherein the scanning mirror structure can be adjusted to a deflection position between two maximum deflection positions, wherein the scanning mirror structure is arranged such that the primary beam (3) During the scanning movement, the Movement takes place in the positioning plane between the two positioning limits (101', 101"). A module (2) as claimed in item 1 or 2 of the patent scope, wherein the scanning mirror structure is a micro-electromechanical system (MEMS), wherein the scanning mirror structure has a micro-electromechanical scanning mirror element (7), wherein the The scanning mirror element (7) has a deflectable mirror member (71). For example, the module (2) of claim 3, wherein the mirror member (71) can be offset via a first axis and/or can be offset about a second axis substantially perpendicular to the first axis. For example, the module (2) of claim 3, wherein the mirror member (71) can be offset around the first axis and the second axis or any offset around the first axis. A module as described in the first or second patent application, wherein the module (2) has a wide-angle optical system (8), wherein the wide-angle optical system (8) has a convex mirror optical system, a concave surface Mirror-like optical system, a DOE (Diffractive Optical Element, diffractive optical element) and/or a lens, wherein the wide-angle optical system (8) is preferably matched in some way to the beam shaping optical system of the light source so that The diameter of the beam shaping of the primary beam (3) behind the wide-angle optical system (8) does not exceed 5 mm. For example, the module (2) in item 6 of the patent application scope, in which the diameter does not exceed 3 mm. For example, the module (2) of item 7 of the patent application scope, in which the diameter does not exceed 1 mm. For example, the module (2) of item 8 of the patent scope, in which the diameter does not exceed 0.5 mm. For example, the module (2) of claim 1 or 2, wherein the module (2) has another light source (6') integrated in the module (2), wherein the other light source ( 6') is suitable for generating another primary beam (3'), wherein the scanning mirror is configured such that the other primary beam (3') is substantially along another illumination surface (30' located in the positioning area ) To implement another scanning movement, wherein the module (2) is arranged in such a way that when passing through the other primary beam (3') and the place When the interaction of the object (4) in the other irradiation surface (30') produces another secondary signal (5'), the other secondary signal (5') is detected, wherein the module (2) It is suitable for generating another positioning information according to the other secondary signal (5'). A module (2) as described in item 1 or 2 of the aforementioned patent application, wherein the scanning mirror structure is suitable for generating the scanning motion and for generating another scanning motion, or the scanning mirror structure has another scanning mirror element (7'), wherein the scanning mirror element (7) is adapted to generate the scanning motion, and the other scanning mirror element (7') is adapted to generate another scanning motion. For example, the module (2) of claim 1 or 2, wherein the irradiation surface (30) and the other irradiation surface (30') are arranged parallel to each other, wherein the irradiation surface (30) and One additional irradiation surface (30') overlaps along a projection direction (103) that is substantially perpendicular to the irradiation surface (30). A module (2) as claimed in item 12 of the patent scope, wherein the irradiation surface (30) completely overlaps with the other irradiation surface (30'). A module (2) as claimed in item 7 of the patent scope, wherein the irradiation surface (30) and the other irradiation surface (30') are separated by an irradiation distance (13) along the projection direction (103). For example, the module (2) of item 14 of the patent application scope, in which the irradiation distance is 0-50 mm. For example, the module (2) of item 15 of the patent application scope, in which the irradiation distance is 1 to 5 mm. For example, the module (2) of item 16 of the patent application scope, in which the irradiation distance is 3 mm. For example, the module (2) of claim 1 or claim 2, wherein the module 2 is suitable for positioning by time-of-flight method and/or by intensity measurement. For example, the module (2) of item 1 of the patent application scope, in which The offset distance (12) is less than 2 cm. For example, the module (2) of item 1 of the patent application scope, wherein the offset distance (12) is less than 1 cm. An information appliance (1) including the module (2) according to any one of the items 1 to 20 of the aforementioned patent application, wherein the information appliance (1) can be based on the positioning information and/or the other Position information to be controlled.

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