WO2002069243A1 - Lesegerät zur abtastung eines kodierte information enthaltenden datenstreifens - Google Patents
Lesegerät zur abtastung eines kodierte information enthaltenden datenstreifens Download PDFInfo
- Publication number
- WO2002069243A1 WO2002069243A1 PCT/EP2002/001405 EP0201405W WO02069243A1 WO 2002069243 A1 WO2002069243 A1 WO 2002069243A1 EP 0201405 W EP0201405 W EP 0201405W WO 02069243 A1 WO02069243 A1 WO 02069243A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- reading device
- scanning
- shell
- information
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners
Definitions
- Reader for scanning a data strip containing coded information
- the invention relates to a reading device for scanning a data strip containing coded information, which in particular in . contains digitally encoded information.
- a scanning device which is guided in a rectangular frame.
- the scanning device comprises a light source, a line sensor for receiving light beams which are reflected by the object to be scanned.
- the light beams are generated by a light source to obtain image information while the scanner is moving and the object to be scanned is scanned in the vertical direction orthogonal to a horizontal scanner of the line sensor.
- the guidance of the scanning device comprises a guide frame on which the scanning device rests.
- the filler frame structure includes first and second straight portions that run along the horizontal and vertical scanning directions of the scanning device, corresponding to the scanning area of the scanning device.
- a transparent, flat surface is provided between the first and the second rectilinear section. The scanning device is moved manually in the vertical scanning direction along the second stretched section on the flat surface in order to read out the image information of the object to be scanned.
- DE 198 29 776.9 relates to a scanner head for scanning originals.
- a device is proposed which is used for line-by-line optical scanning of a flat original.
- the entire line length of the line of the template is mapped onto a sensor.
- An optics is attached to an optics carrier, and a mirror can optionally be accommodated on the optics carrier.
- a point on the optical axis is moved on a V-shaped path as a reference point between the line and the line sensor.
- the optics carrier is arranged between two points, each of which runs on curved tracks.
- the optics carrier is designed as a central frame of a symmetrical quadrilateral joint.
- Readers that scan an information-containing template include a housing that must be suitable for assembly or disassembly to accommodate the internals. When installing the reader, it must be ensured that no stray light influences can affect the scanning.
- EP 0 783 157 A2 discloses an electro-optical reading device with a housing and a carrier structure arranged in the housing in snap locks. Inside the housing there is a radiation sensor which emits radiation. Furthermore, a radiation sensor for detection of reflected radiation incident over a field of view is accommodated within the housing of the reading device. In the housing there is also a scanning device which scans at least one beam of the reflected radiation incident over the field of view. Finally, receiving devices are provided with which the transmitter, the sensor and a reflector are fastened to the support structure within the housing. The housing is connected via a connecting cable to a decoding unit arranged externally outside the housing.
- EP 0 829 814 AI relates to an optical hand-held reader.
- a mirror is accommodated within a shell arrangement, which deflects rays diffusely reflected by an optical code.
- the mirror is mounted in the housing by means of a spring element.
- the spring element comprises a central plate on which the mirror can be resiliently received.
- resilient tongue-shaped elements are arranged, each comprising a first section and inclined at an angle to the central plate such that they protrude above the mirror.
- Another section of the resilient tongue-shaped elements is designed to be inclined by a second angle with respect to the first section.
- the second section comprises flat connecting elements which can be releasably latched onto receptacles of the shell arrangement of the optical hand-held reading device.
- G 92 07 063.9 refers to a scanner.
- the scanner includes an upper shell that is connected to a lower shell.
- a scanning lens arrangement with a reflector is provided, as well as an LED arrangement and a multiplicity of printed circuit boards.
- the scanning lens arrangement and the reflector are mounted on an intermediate plate, which is held between the upper shell and the lower shell, the LED arrangement being supported on the intermediate plate at its front edge. With this arrangement, the scanning lens arrangement, the reflector and the LED arrangement in Maintained position when the upper and lower shell are deformed by external forces.
- EP 0 994 436 AI relates to a portable electro-optical device.
- An opto / electronic module is encased in a protective insert and installed within a housing. Thanks to the protective structure that includes the opto / electronic module, the optical / electronic components are protected on all sides against impact loads if the portable electro-optical device should fall to the ground.
- the invention has for its object to provide an easily mountable housing for a reader, which is light-tight against stray and external light influences and controls and displays so that within the housing one to move one Sufficiently dimensioned scanning optics remain.
- a reader for scanning a coded information-containing template such as a two-dimensional data strip
- the housing halves are designed like shells and lie next to each other along a parting line, the housing halves being positioned sealingly to one another by means of a labyrinth-like seal, accommodating optical display elements and a free space for scanning optics that can be moved within the housing is trained.
- the advantages of the solution according to the invention can be seen in the fact that the configuration of the joint between the housing half-shells enables simple positioning of the housing halves relative to one another, with the formation of a light-tight connection between two components. This can prevent or reduce the falsification of the signals scanned by the scanning optics and the ingress of dust into the housing of the reading device. Stray light reflections within the housing can be avoided or minimized by keeping the inner surfaces of the housing dark, matt or black. The aim should be to make the housing parts as opaque as possible.
- a circumferential spring of a labyrinth seal to be formed on the lower housing part; locking lugs and receiving surfaces can be provided for a frame to be attached.
- a spring-shaped sealing surface By means of a spring-shaped sealing surface, on the one hand, by overlapping with a groove enclosing the tongue, it can be achieved that not only is there a light-tight connection between the housing half-shells, but also a positive fit can be achieved between the upper shell and the lower shell, which gives the joined shell-like bodies an additional one gives mechanical stability.
- a frame structure can be attached to the underside of the two half-shells joined to one another and can be aligned in position on the two housing half-shells joined together.
- a battery case is formed on the lower part of the housing, the side surfaces of which can have recesses for the contact elements which fix the energy stores in each case.
- the battery box is housed in one of the housing half-shells configured according to the invention and is located opposite the scanning optics and the scanning opening.
- a circumferential labyrinth groove is formed on the upper housing part, which receives the already mentioned circumferential spring of the lower housing part.
- a labyrinth seal made of light-tight material ensures light-tight encapsulation of the scanning optics movably accommodated in the housing, so that the image information to be scanned by the optics can only be picked up through the scanning window; the labyrinth seal also prevents dust particles from entering the housing of the reader.
- Operating and optical display elements are embedded in the upper part of the reader, which can be implemented, for example, as light-emitting diodes or as push buttons.
- the fixation of the upper housing shell and the lower housing shell relative to one another is supported by molded-on pin-shaped projections and attachment surfaces, by means of which the distance between the housing half-shells in the assembled state is defined.
- this can prevent that excessive mechanical stress, for example excessive pressing in of the surface, can damage the electronics housed in it; furthermore through these housings configuration ensures that the space required for the scanning movement of the scanning optics is guaranteed at all times within the housing and that the movement of the driven scanning optics along the scanning opening is ensured.
- One or more guide crosspieces can be formed between the side walls of a respective housing half-shell, which enable the scanning optics to be moved within the free space in the housing of the reading device.
- the guide cross members molded onto the housing are accommodated at the injection points on the side walls, which in turn can be provided with a stiffening structure.
- Such a design of the housing half-shells makes stiffening sheet metal profiles to be integrated into them unnecessary, since the mechanical stresses emanating from the drive of the scanning optics can be easily absorbed by the stiffened side walls and the injected traverses.
- circumferential, in each case divided housing sections can be formed within the housing half-shells in that circumferential webs are formed which serve to accommodate further installation elements such as loudspeaker connection sockets or charging contact openings.
- FIG. 1 shows a cross section through the housing lower half shell in the region of the battery case
- FIG. 2 the top view of the outside of the lower housing part
- FIG. 3 the view of the housing upper half shell from the inside
- Figure 3.1 - 3.3 cuts through the upper shell half shell
- FIG. 1 shows a cross section through the lower housing half-shell in the region of the battery case.
- a battery case 3 is molded into the housing lower half shell 2 shown in cross section in FIG.
- the bottom of the battery box 3 for receiving the energy store for supplying power to the reading device is designated by reference number 4, while the two asymmetrically designed side walls are designated by reference number 5.
- Individual recesses are embedded in the side walls 5, into which contact elements for receiving the energy store can be inserted.
- the opening 6 of the battery case 3 can be closed by means of a cover which can be pushed in and locked on a lock 9, so that the batteries or rechargeable batteries are protected from the outside.
- Reference numbers 11 and 12 denote the side walls of the lower half-shell 2 of the housing, at the end of which the circumferential labyrinth spring 13 is formed. This is designed as a projection which springs back behind the outer surface of the side walls 11 and 12 and which engages in a circumferential groove formed on the housing upper half shell.
- the reference line 10 in FIG. 1 denotes the line of symmetry of the lower half shell 2 of the housing.
- the top view of the outside of the lower housing part is clearer.
- the side walls 11, 12 are arranged symmetrically to the line of symmetry 10 of the housing lower half shell 2, which assume a slightly S-shaped curve in order to allow better lying in the human hand or a better recording of the reading device in the human hand.
- a U-shaped, resilient projection 8 can be seen, as well as an attachment surface 7.
- the resilient projections 8 and the attachment surface 7 serve to accommodate a housing which is preassembled from the two housing halves 2 and 14 for connection Ralmien structure, which is aligned by means of the resilient projection 8 on the underside of the two housing half-shells 2 and 14, which are mounted on one another.
- the attachment surface 7 also allows the two separating surfaces to be covered, so that a light-tight connection with respect to the interior of the housing can also be ensured here.
- the reference numeral 9 on the top of the battery case spacers are designated with which the batteries can be held in position.
- a frame structure 37 which can be attached to the underside of the housing shells 2, 14 - indicated here by dashed lines - comprises marks with which the reading device can be positioned relative to the data strip to be scanned. Small steps can be advantageously formed in the frame structure 37, which improves the positioning accuracy of the reading device 2, 14, so that the housing 2, 14 of the reading device has an optimal scanning of the Data strip enabling scanning area, which is given by the optical components comes to rest.
- the data strip contains markings 39 within which the frame structure 37 which contains the scanning window can be positioned.
- a recess 40 is formed on the frame structure 37 which, when the reader is correctly positioned on the data strip 38, releases a text field so that the user can easily check the correct alignment of the frame structure 37 so that the reader relative to the field 41 containing digital information. If the text field applied to the data strip 38, which is released by the recess 40 when the frame structure 37 is correctly positioned, is covered by the frame structure 37, the user can incorrectly position the reading device relative to the field 41 containing digital information to be scanned by simply rotating the reading device correct.
- the top view of the upper housing half-shell 14 according to FIG. 3 shows that in the area of the side walls 11, 12 of the upper housing half-shell 14 there is a circumferential labyrinth groove 21, 32 which receives the circumferential spring 13 of the lower shell 2.
- the circumferential tongue 13 of the lower half shell 2 of the housing inserts into the groove 21 and thus forms a light and dustproof connection of the half shells 2, 14.
- the groove 21 is circumferentially arranged on the upper housing half shell 14 and is designed such that the spring projection 13 of the lower housing half shell 2 retracts in the outer and inner sides so that it overlaps.
- Stiffening wall structures for example in the form of injected ribs, can be formed on the housing walls 22 and 23 of the housing upper half shell to stiffen the housing upper half shell 14.
- cross members 34 can be injection molded during the manufacture of the upper housing half shell 14, each of which is connected to the side walls 22, 23 of the upper housing half shell 14 at injection locations 35.
- a scanning optics which can be moved by means of an electric drive can be made in parallel without the need for a stiffening sheet metal frame profile or plastic frame profile to be provided separately within the space which is identified by reference number 20 move a scanning opening of the reader, not shown here.
- An actuation pushbutton 19 is inserted into the bottom of the upper half shell 14 shown here, which is used to activate or deactivate the reading device.
- Three optical display elements 16, 17 and 18 are inserted one above the other in the line of symmetry of the upper housing half-shell 14.
- the optical display elements can be configured, for example, as three light-emitting diodes 16, 17 and 18 lying one below the other.
- a first light-emitting diode 16 held in green reproduces the status display and the operating state of the reading device.
- a further light-emitting diode for example the middle light-emitting diode 17, can be kept in yellow and indicates to the user of the reading device 1 that data is being transferred to the PC at the moment with the appropriate cabling to a downstream PC.
- the lower one of the light-emitting diodes, for example light-emitting diode 18, can be kept in red and indicates a fault by means of a suitably selected flashing sequence.
- each of the light-emitting diodes 16, 17 and 18 can be operated in one or more flashing sequences, from which the respective status of the operation, be it in operation or be it readable in the event of a fault ,
- the respective status of the operation be it in operation or be it readable in the event of a fault
- the respective status of the operation be it in operation or be it readable in the event of a fault
- the respective status of the operation be it in operation or be it readable in the event of a fault
- 28 domfb '-shaped attachment elements are provided with position marks.
- the projections 27 and the dome-shaped attachment elements 28 achieve an exact positioning of the two half-shells 2, 14 relative to one another, so that that the free space 20 has the necessary dimensions to ensure a movement of the scanning optics along the scanning opening.
- FIGS. 3.1 to 3.3 shows sectional profiles through the upper housing half-shell according to FIG. 3.
- the length and position of the pin-shaped projection 27, as well as the position of the top dome 28 with respect to the optical axis 25, are shown in greater detail from the section according to FIG. 3.1.
- the actuating button 24 Located in the plane of symmetry of the upper housing half-shell 14 are the actuating button 24 and the openings for display elements, such as light-emitting diodes 16, 17 and 18, which are arranged one above the other.
- the position of a further dome-shaped attachment element also results from the section according to FIG. 3.2 28 more clearly.
- the side view of the opening 24 for the actuating button in the upper half shell 14 of the housing, as well as the shape of the optical axis 25, can be seen in more detail from the section according to FIG. 3.3.
- the housing lower half shell 2 comprises two side walls 11 and 12, which are provided with a (see illustration in Figure 1) spring-shaped projection 13.
- the spring-shaped projection 13 engages in a peripheral hat 21 on the upper housing half-shell 14, so that a positive and opaque connection between the two housing half-shells 2 and 14 of the housing 1 of the reader is realized.
- Reference number 31 denotes an upper boundary wall of the housing lower half shell.
- Reference numerals 30 indicate attachment areas for a frame structure to be attached to the housing, which is assembled from the upper half-shell 2 and the lower half-shell 14. A sheet metal frame stiffening the housing can be precisely aligned at these attachment surfaces 30.
- the frame structure which contains the scanning opening to be scanned by the scanning optics, is aligned by means of the resilient projection 8 and lateral attachment surfaces on the housing half-shells 2 and 14;
- the overlap of the frame structure with the attachment surface 7 on the housing half-shells 2 and 14 of the housing 1 ensures that no external light from the outside interferes with the scanning optics inside the housing 1 at this parting line.
- FIG. 4.1 shows the side view of the upper half shell 14 of the housing, as well as the course of the shoulder surface 7 formed on the side of the latter.
- Reference 25 denotes the course of the optical axis; the longitudinal side of the upper housing half shell 14 is identified by the longer section of the labyrinth spring with reference number 33, while the section of the labyrinth spring located on the upper side of the housing half shell 14 is identified by reference number 33.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02718120A EP1374143A1 (de) | 2001-02-13 | 2002-02-11 | Lesegerät zur abtastung eines kodierte information enthaltenden datenstreifens |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10106542.6 | 2001-02-13 | ||
DE2001106542 DE10106542B4 (de) | 2001-02-13 | 2001-02-13 | Lesegerät zur Abtastung eines kodierte Information enthaltenden Datenstreifens |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002069243A1 true WO2002069243A1 (de) | 2002-09-06 |
Family
ID=7673813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/001405 WO2002069243A1 (de) | 2001-02-13 | 2002-02-11 | Lesegerät zur abtastung eines kodierte information enthaltenden datenstreifens |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1374143A1 (de) |
DE (1) | DE10106542B4 (de) |
WO (1) | WO2002069243A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7427018B2 (en) | 2005-05-06 | 2008-09-23 | Berkun Kenneth A | Systems and methods for generating, reading and transferring identifiers |
US8226007B2 (en) | 2007-03-23 | 2012-07-24 | Ltt, Ltd | Method and apparatus for using a limited capacity portable data carrier |
US8657189B2 (en) | 2005-05-06 | 2014-02-25 | Labels That Talk, Ltd. | Systems and methods for generating, reading and transferring identifiers |
US8662396B2 (en) | 2007-03-23 | 2014-03-04 | Labels That Talk, Ltd | Method for reproducing and using a bar code symbol |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0783157A2 (de) * | 1996-01-05 | 1997-07-09 | Symbol Technologies, Inc. | Vereinfachte Montage und automatischer Bauteiletest in elektro-optischen Systemen zum Lesen von kodierten Zeichen |
EP0926879A2 (de) * | 1997-12-18 | 1999-06-30 | Eastman Kodak Company | Aufzeichnung von Ton und elektronischen Bildern |
EP0994436A1 (de) * | 1998-10-15 | 2000-04-19 | Datalogic S.P.A. | Tragbarer elektro-optische Vorrichtung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9207063U1 (de) * | 1992-05-25 | 1992-08-13 | Silitek Corp., Taipeh/T'ai-Pei | Scanner |
ATE256891T1 (de) * | 1996-09-17 | 2004-01-15 | Datalogic Spa | Tragbarer abtaster für optischen code |
-
2001
- 2001-02-13 DE DE2001106542 patent/DE10106542B4/de not_active Expired - Fee Related
-
2002
- 2002-02-11 EP EP02718120A patent/EP1374143A1/de not_active Withdrawn
- 2002-02-11 WO PCT/EP2002/001405 patent/WO2002069243A1/de not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0783157A2 (de) * | 1996-01-05 | 1997-07-09 | Symbol Technologies, Inc. | Vereinfachte Montage und automatischer Bauteiletest in elektro-optischen Systemen zum Lesen von kodierten Zeichen |
EP0926879A2 (de) * | 1997-12-18 | 1999-06-30 | Eastman Kodak Company | Aufzeichnung von Ton und elektronischen Bildern |
EP0994436A1 (de) * | 1998-10-15 | 2000-04-19 | Datalogic S.P.A. | Tragbarer elektro-optische Vorrichtung |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7427018B2 (en) | 2005-05-06 | 2008-09-23 | Berkun Kenneth A | Systems and methods for generating, reading and transferring identifiers |
US8657189B2 (en) | 2005-05-06 | 2014-02-25 | Labels That Talk, Ltd. | Systems and methods for generating, reading and transferring identifiers |
US8226007B2 (en) | 2007-03-23 | 2012-07-24 | Ltt, Ltd | Method and apparatus for using a limited capacity portable data carrier |
US8662396B2 (en) | 2007-03-23 | 2014-03-04 | Labels That Talk, Ltd | Method for reproducing and using a bar code symbol |
US9317792B2 (en) | 2007-03-23 | 2016-04-19 | Ltt, Ltd | Method and apparatus for using a limited capacity portable data carrier |
Also Published As
Publication number | Publication date |
---|---|
DE10106542A1 (de) | 2002-08-29 |
DE10106542B4 (de) | 2004-10-21 |
EP1374143A1 (de) | 2004-01-02 |
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