WO2020074154A1 - Dispositif à micro-scanner laser - Google Patents

Dispositif à micro-scanner laser Download PDF

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Publication number
WO2020074154A1
WO2020074154A1 PCT/EP2019/071516 EP2019071516W WO2020074154A1 WO 2020074154 A1 WO2020074154 A1 WO 2020074154A1 EP 2019071516 W EP2019071516 W EP 2019071516W WO 2020074154 A1 WO2020074154 A1 WO 2020074154A1
Authority
WO
WIPO (PCT)
Prior art keywords
projection
projection surface
image information
laser
optical system
Prior art date
Application number
PCT/EP2019/071516
Other languages
German (de)
English (en)
Inventor
Christoph Brueser
Christian Nitschke
Peter Ostertag
Felix Schmidt
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2020074154A1 publication Critical patent/WO2020074154A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F11/00—Arrangements in shop windows, shop floors or show cases
    • A47F11/06—Means for bringing about special optical effects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F25D2400/361—Interactive visual displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices

Definitions

  • the application relates to a laser microscanner device.
  • the application also relates to an optical system with the laser microscanner device and a storage unit with the optical system.
  • the optical system with the laser microscanner device and a storage unit with the optical system.
  • a projection device is known from document EP 1 814 003 A1, which makes it possible to image information on a carrier unit of a
  • a laser microscanner device has at least one laser light source for generating at least one laser beam.
  • the projected image of a laser microscope is created by the horizontal and / or vertical deflection of the laser beam generated by the laser light source.
  • the laser beam is deflected, for example, by a
  • Generated micromirror arrangement which in particular has a two-dimensionally movable micromirror or two one-dimensionally movable micromirrors for realizing a line-wise or column-wise scanning movement of the laser beam.
  • the use of a laser scanner makes it possible to focus image information at different distances from the laser microscanner device.
  • the laser microscanner device is designed to receive first and / or second image information, in particular row by row or column by column, to project onto a projection area.
  • the projection area has at least one first projection surface with at least one known first surface dimension.
  • the known first area measurement can mean, for example, the length of the, in particular, rectangular first projection area. Alternatively or additionally, with the known first
  • Area measurement also includes the height of the particularly rectangular first
  • the projection area has at least one second projection surface with at least one known second surface dimension.
  • the known second area measurement for example, the length of the in particular rectangular second
  • the known second area measurement can also mean the height of the, in particular, rectangular second projection area.
  • the laser microscanner device is designed to project the first image information onto the first projection surface and / or the second image information onto the second projection surface.
  • the first and second projection surfaces are on
  • the different projection planes are preferably arranged horizontally, one above the other.
  • the microscanner device preferably has an interface to an external server. By connecting to the external server, the projected first and / or second image information can be adapted to the application and user.
  • Another object of the invention is an optical system which comprises the laser microscanner device described above.
  • the optical system has an environment detection unit, such as a photosensitive element.
  • the photosensitive element is in particular a camera or at least one photodiode.
  • Environment detection unit is used to detect at least one object at at least two successive times within one
  • the projection area in this case comprises at least a first projection surface with at least one known first surface dimension and a second projection plane with at least one known second surface dimension.
  • the first and second projection surfaces are arranged on different projection levels.
  • the optical system has a computing unit which is designed to determine a movement of the object as a function of the object detected at two successive points in time.
  • the computing unit is designed to be dependent on the detected one
  • the laser microscanner device is preferably designed to be the first
  • the first and / or second control elements can mean, for example, virtual keys and / or buttons.
  • the computing unit is designed to make a gesture for making the first and / or second depending on the detected object movement
  • the gesture can mean, for example, a hand movement, such as pressing a button or a button. If a detected finger of a user moves in the direction of, for example
  • Control element and remains above the control element in one
  • control element is actuated, for example by pressing a button.
  • the arrangement described enables a combined projection and detection unit that is able to operate information and interactions simultaneously on several levels.
  • the computing unit is preferably designed to transmit information about the first and / or second operating element to an external server.
  • Another object of the present invention is a
  • the goods storage unit can be, for example, a refrigerator or a wardrobe.
  • Goods storage unit has at least a first and a second carrier unit, which for carrying the goods
  • the first and second carrier units are concerned for example, the rules of the wardrobe.
  • the first and second carrier units are, for example, refrigerator compartments.
  • Laser microscanner device of the optical system has at least one first projection surface with at least one known first
  • Projection screens are arranged on different projection levels.
  • the first projection surface is on the first carrier unit and the second
  • Projection area arranged on the second support unit.
  • buttons and / or buttons for online shopping can also be shown.
  • the direct display in close proximity to the stored items makes it possible to carry out online shopping directly in connection with the stored items. If, for example, a user determines in a standard wardrobe board in which he normally stores socks that he needs new socks, he can order new socks directly using the button function in the assigned shelf.
  • a connection to your own social media profile can also be made possible in order to share your selected clothing items and / or to receive comments from friends and / or followers directly on the wardrobe.
  • the services described can also be used in a similar manner for other goods storage units, for example
  • the first and second carrier units are preferably arranged horizontally offset from one another, in particular in a step-like manner.
  • the first projection surface of the laser microscanner device is arranged on an edge region of the first carrier unit and the second projection surface on an edge region of the second carrier unit.
  • Another object of the present invention is a method for actuating an optical system, which was previously described.
  • first, in particular row by row or column by column first image information is projected onto a first projection surface of a projection area by means of a laser microscanner device.
  • the first projection surface comprises at least one known first surface dimension.
  • second image information is projected onto a second projection surface of the projection area by means of the laser microscanner device.
  • the second projection surface comprises at least one known second surface dimension.
  • the first and second projection surfaces are arranged on different projection levels.
  • Computing unit of the optical system detected. Then follows in
  • the assignment of the detected object to the first projection surface or second projection surface is based on the detected movement relative to the projected first and / or second image information.
  • At least one virtual first control element is preferably projected onto the first projection surface as the first image information.
  • at least one virtual second control element is projected onto the second projection surface as second image information.
  • a gesture in particular a hand movement, for actuating the first and / or second control element is subsequently detected on the first and / or second projection surface.
  • the information about the operating element is forwarded to an external server.
  • FIG. 1 shows the principle of gesture recognition using an embodiment of the optical system.
  • Figure 2a shows schematically in side view an embodiment of a goods storage unit.
  • Figure 2b shows the embodiment of the goods storage unit in plan view.
  • Figure 3 shows an embodiment of the method for actuating an optical system.
  • Figure 1 shows schematically an optical system with a
  • Laser microscanner device 5 which in this case projects first and / or second image information line by line onto a rectangular projection area 10.
  • the optical system additionally has an environment detection unit 15, which in this case is designed as a single photodiode.
  • the photodiode is used to detect at least one object 35 at least two successive times within the projection area 10 of the laser microscanner device 5.
  • An infrared laser is used here to implement the interactivity function, while a laser source in the visible spectrum is used for image generation.
  • the infrared laser beam 20, which functions here as a detection laser beam, is moved together with the laser beams for the image generation in a predetermined scan pattern over the projection surface 10.
  • the optical system has a computing unit 40, which is designed to determine a movement of the hand as a function of the hand detected at two successive times.
  • the computing unit 40 has one
  • connection 50 to an external server 60.
  • the connection 50 is in particular wireless.
  • FIG. 2a shows schematically in a side view a section of an embodiment of a goods storage unit 101
  • Goods storage unit 101 which in this case represents a wardrobe, has an optical system 100.
  • the optical system 100 in this case comprises a laser microscanner device 110 and one
  • the goods storage unit 101 has a first 150a, a second 150b and a third carrier unit 150c, which in this embodiment are designed as shelves of the storage unit 101.
  • the carrier units 150a, 150b and 150c are here offset from one another, arranged in a step-like manner.
  • the lowest carrier unit 150c is the longest, the uppermost carrier unit 150a the shortest.
  • the laser microscanner device 110 is here relative to those
  • Carrier units 150a, 150b and 150c are arranged such that a part of the laser beams emitted by the laser microscanner device 110 each
  • Carrier units 150a, 150b and 150c arranged
  • Laser microscanner device 110 sends first laser beams 125a to a first edge region of the first carrier unit 125a, second laser beams 125a reach a second edge region of the second carrier unit 150b, and third laser beams reach a third edge region of the third carrier unit 150c.
  • the environment detection unit 120 which in this case is a photosensitive element, is arranged relative to the laser microprojection device 110 in such a way that infrared laser beams 130a, which are reflected 130b by an object located within the projection area, are
  • Environment detection unit 120 can achieve.
  • the environment detection unit 120 and the laser micro scanner device 110 are arranged adjacent to each other.
  • the environment detection unit 120 detects a finger 140 at two different times, which is located on the second carrier unit 150b.
  • the optical system 100 has a computing unit 160, which is used, depending on the successive two
  • FIG. 2b shows the image created from the perspective of the optical system 100 for the situation shown in FIG. 2a.
  • the projection area 180 of the laser microscanner device in this case comprises a first projection surface 126a, a second projection surface 126b and a third projection surface 126c, into which first image information 195, second image information 190 and third image information 200 are projected line by line.
  • the projection surface 126a is the first carrier unit 150a
  • the second projection surface 126b is the second carrier unit 150b and the third
  • the heights 185a, 185b and 185c of the projection surfaces 126a, 126b and 126c must be known as surface dimensions in this embodiment. This is the only way the micro laser scanner device knows in which line the projection has to change from one to the next projection surface.
  • Projection areas 126a, 126b and 126c are of the same length.
  • the computing unit 160 detects a movement of the finger 140 and can use it to assign the finger 140 to one of the three projection surfaces 126a, 126b or 126c. In this case, the finger 140 remains, for example, above the projected, virtual second control element 190 as second image information in a resting phase. From this it can be concluded that the user actuates the virtual control element 140 and is therefore located in the second projection surface 126b. The computing unit 160 can subsequently forward the information about the actuated second control element 90 to the external server 170.
  • FIG. 3 shows an embodiment of a method for actuating an optical system in the form of a flow chart.
  • a method step 201 in particular row by row or column by column, first image information is projected onto a first projection surface of a projection area by means of a laser microscanner device of the optical system.
  • the first projection surface comprises at least one known first one
  • step 210 in particular row by row or column by row, second image information is placed on a second projection surface of the projection area using the
  • the second projection surface comprises at least one known second surface dimension and the first and second projection surfaces are arranged on different projection planes.
  • at least one object is located within the projection area at a first point in time
  • Laser microscanner device detected by means of an environment detection unit of the optical system.
  • the at least one object within the projection area of the laser microscanner device is detected by means of the environment detection unit at a second time following the first time.
  • a movement of the detected object relative to the projected first and / or second image information as a function of the object detected at two successive times is detected by means of a computing unit of the optical system.
  • the assignment of the detected object to the first projection surface or second follows
  • At least one virtual first control element is projected onto the first projection surface as first image information in method step 201.
  • at least one virtual second control element is also projected onto the second projection surface in method step 210 as second image information.
  • a gesture in particular a hand movement, for actuating the first and / or second control element is detected on the first and / or second projection surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)

Abstract

L'invention concerne un dispositif de micro-scanner laser conçu pour projeter des premières informations d'image (195) et/ou des deuxièmes informations d'image (190) sur une zone de projection (180). La zone de projection (180) comprend au moins une première surface de projection (126a) ayant au moins une première dimension de surface connue (185a) et au moins une deuxième surface de projection (126b) ayant au moins une deuxième dimension de surface connue (185b). Le dispositif de micro-scanner laser est conçu pour projeter les premières informations d'image (195) sur la première surface de projection (126a) et/ou les deuxièmes informations d'image (190) sur la deuxième surface de projection (126b). La première surface de projection (126a) et la deuxième surface de projection (126b) sont disposées à différents niveaux de projection. L'invention concerne également un système optique pourvu du dispositif de micro-scanner laser et une unité de stockage pourvu du système optique. De plus, l'invention concerne un procédé d'actionnement du système optique.
PCT/EP2019/071516 2018-10-12 2019-08-10 Dispositif à micro-scanner laser WO2020074154A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018217536.5 2018-10-12
DE102018217536.5A DE102018217536A1 (de) 2018-10-12 2018-10-12 Lasermikroscannervorrichtung

Publications (1)

Publication Number Publication Date
WO2020074154A1 true WO2020074154A1 (fr) 2020-04-16

Family

ID=67704496

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/071516 WO2020074154A1 (fr) 2018-10-12 2019-08-10 Dispositif à micro-scanner laser

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DE (1) DE102018217536A1 (fr)
WO (1) WO2020074154A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1814003A1 (fr) 2006-01-31 2007-08-01 Liebherr-Hausgeräte Ochsenhausen GmbH Appareil électroménager avec dispositif de projection
US20080055087A1 (en) * 2006-09-05 2008-03-06 Hitachi, Ltd. Shelf-like display machine and image display method
US20110205500A1 (en) * 2006-03-28 2011-08-25 Toshiba Tec Kabushiki Kaisha Display shelf and display shelf system for projecting projector images displaying information about articles
US20170109115A1 (en) * 2015-10-16 2017-04-20 Omnivision Technologies, Inc. Multi-projector display box
US20180075405A1 (en) * 2016-09-15 2018-03-15 Wal-Mart Stores, Inc. Dynamic Projection System

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7976174B2 (en) * 2007-02-26 2011-07-12 Z-Laser Optoelektronik Gmbh Method and apparatus for projecting an optical projection onto a projection surface
DE102014007172A1 (de) * 2014-05-15 2015-11-19 Diehl Ako Stiftung & Co. Kg Vorrichtung zur Bedienung eines elektronischen Geräts
DE102017207221A1 (de) * 2017-04-28 2018-10-31 BSH Hausgeräte GmbH Darstellung von Information an einem Kühlgerät

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1814003A1 (fr) 2006-01-31 2007-08-01 Liebherr-Hausgeräte Ochsenhausen GmbH Appareil électroménager avec dispositif de projection
US20110205500A1 (en) * 2006-03-28 2011-08-25 Toshiba Tec Kabushiki Kaisha Display shelf and display shelf system for projecting projector images displaying information about articles
US20080055087A1 (en) * 2006-09-05 2008-03-06 Hitachi, Ltd. Shelf-like display machine and image display method
US20170109115A1 (en) * 2015-10-16 2017-04-20 Omnivision Technologies, Inc. Multi-projector display box
US20180075405A1 (en) * 2016-09-15 2018-03-15 Wal-Mart Stores, Inc. Dynamic Projection System

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DE102018217536A1 (de) 2020-04-16

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