EP2941863A1 - Automatic document feeder - Google Patents

Automatic document feeder

Info

Publication number
EP2941863A1
EP2941863A1 EP13829017.6A EP13829017A EP2941863A1 EP 2941863 A1 EP2941863 A1 EP 2941863A1 EP 13829017 A EP13829017 A EP 13829017A EP 2941863 A1 EP2941863 A1 EP 2941863A1
Authority
EP
European Patent Office
Prior art keywords
document
platform
accordance
automatic
feeder
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP13829017.6A
Other languages
German (de)
French (fr)
Inventor
Miguel Leitmann
Bento Correia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vision Box Solucoes de Visao por Computador SA
Original Assignee
Vision Box Solucoes de Visao por Computador SA
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 Vision Box Solucoes de Visao por Computador SA filed Critical Vision Box Solucoes de Visao por Computador SA
Priority claimed from PCT/PT2013/000066 external-priority patent/WO2014077716A1/en
Publication of EP2941863A1 publication Critical patent/EP2941863A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00519—Constructional details not otherwise provided for, e.g. housings, covers
    • H04N1/00525—Providing a more compact apparatus, e.g. sheet discharge tray in cover
    • H04N1/00533—Providing a more compact apparatus, e.g. sheet discharge tray in cover using slidably mounted components, e.g. reader in drawer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00599—Using specific components
    • H04N1/00604—Transport trays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00795—Reading arrangements
    • H04N1/00827—Arrangements for reading an image from an unusual original, e.g. 3-dimensional objects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
    • H04N2201/0063—Constructional details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0081—Image reader
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0422—Media holders, covers, supports, backgrounds; Arrangements to facilitate placing of the medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0434—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 specially adapted for scanning pages of a book
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0442—Details of scanning carriage or moving picture-bearing surface support, e.g. bearing contact with guide rails
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0446—Constructional details not otherwise provided for, e.g. mounting of scanning components

Definitions

  • This invention was conceived with this in mind, and ensures the automatic scanning of all types of document with no need for active human involvement.
  • patents illustrating the state of the art in this area of technical invention include US5790278, DE29716637U and US6157466.
  • patent N° US 5790278 the document to be scanned is placed on a tray which is later removed, the scan taking place while the document is being collected.
  • this mechanism only serves to scan flat documents.
  • Patent N° DE29716637U refers to a scanner featuring a mechanism which transfers the documents to the scan area.
  • the principal innovation is the fact the optical scanner features a mechanism for transferring the documents, but once again, only flat documents can be scanned.
  • Patent US 6157466 corresponds to a computer scanner, and includes a mechanism composed of a drawer for withdrawing the document and subsequent scanning.
  • This invention features an automatic transparent sliding feeder mechanism located on the upper part of a standard optical scanner.
  • the transparent sliding mechanism feeds, moves and repositions any document, both flat and bulky, to the correct position over the standard reader to activate the optical, electronic or radio-frequency scanning process, with no need for the user to intervene and no risk of the document being damaged.
  • the main parts of the invention are a sliding platform, an optical sensor, side guides with a spring system, a controller, a document locking mechanism, a protection bar and a standard document reader.
  • One of the main advantages of the invention is the absence of friction between the document and the surrounding parts, due to the fact the document is transferred to the reading area on a sliding platform with no need for any sliding part placed on top of the document, meaning the document cannot become stuck to the part in question and undergo damage.
  • the invention is designed so documents placed on the platform and transferred (with the platform) to the reading position are always partially visible, enabling the user to remove the document during the reading/scanning without causing any damage to the document or the equipment .
  • the invention can be installed immediately above a standard document reader, whereby the reading process is activated by an external signal, or in other words, the document is placed on the mechanism by the user, whereby this and the collection of the document on conclusion of the scanning process is the only involvement of the user throughout the scanning process .
  • the manner in which this mechanism is installed on the scanner gives the user the sensation of using one integrated piece of equipment, when in fact two different mechanisms are being used.
  • a liner actuator pins the document to the transparent platform
  • the document is read by a standard document reader
  • Figure 1 an exterior view of the invention with the platform in the initial position.
  • Figure 2 - a cross-section view from below in order to illustrate the respective parts.
  • Figure 3 - illustrates the invention with all the parts in the reading position.
  • Figure 4 - shows the invention in the reading position with the parts hidden as a means of viewing the document sensors (13) .
  • Figure 5 - a side view of the invention positioned on top of the document reader (21) and the remaining support structure.
  • Figure 6 - illustrates the complete structure of the invention and a standard document reader.
  • Figure 7 an isometric illustration of the final assembly.
  • this invention is a mechanism for the automatic reading of documents, activated when the user places a document on the platform (1) , this being the only human intervention in relation to the process .
  • the documents to be read/scanned may be placed on the platform in any position (1) provided the side to be read is facing down (1) .
  • a motion sensor (13) is attached to the platform (1) and positioned in such a way it will detect any type of document, both flat and bulky.
  • the system has been designed so the space between the platform (1) and the base of the invention is equivalent to approximately four ⁇ sheets of paper.
  • the optical sensor (13) When the optical sensor (13) detects the presence of the document it sends a signal to the controller (22) , which, in turn, activates the linear actuator (4) by means of an electric signal.
  • the linear actuator (4) then pins the document to the tempered glass platform (1) with a frictional force of 3ON to prevent the passport from sliding around the glass platform.
  • a linear spring (14) also helps hold the document in position. Together with the linear actuators, this spring ensures the system is capable of handling documents of different thicknesses and textures.
  • the force applied by the linear actuator (4) is specifically designed to hold the document firmly in place throughout the scanning process. Furthermore, the force applied enables the user to remove the document in the middle of the scanning process without damaging the same or the linear actuator (4) .
  • the platform (1) will automatically return to the initial position once the optical sensor (13) no longer detects the presence of the document .
  • a protection bar (12) is attached to the platform (1) to prevent foreign objects from entering the equipment and moves in time with the platform.
  • the linear actuator (4) sends a signal to activate the motor (6) , whereby the movement is transferred to the platform (1) by means of a bobbin (5) which places the platform (1) in the position to read the document;
  • the invention features side guides (3) to guarantee the document is correctly aligned, applying minimal friction on the mechanism, achieved by means of two sets of parallel bushings (8) , one on each side of the equipment, in addition to two or four bearings (20) positioned on the base on which the platform (1) rests.
  • a rigid piece of plastic (11) activates the end position sensor (10), which, in turn, activates the reading/scanning of the document .
  • Bulky documents are pinned to the glass platform (1) by the pressure applied by the linear actuator (4) and the existence of longitudinal guides (7) which prevent the natural tendency of the document to close .
  • the document is read by a standard reader (21) which captures infrared and ultraviolet images in the visible spectra, guaranteeing a quality which enables the image to be processed on a computer program.
  • the reader (21) sends an electric signal of confirmation to the controller (22) , which will then assume the scanning process has been concluded and sends an electric signal to the linear actuator (4) , which then releases the document and returns the platform (1) to the initial position to enable the user to collect the same from the platform (1) .

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

This invention involves an automatic document feeder composed of a transparent sliding platform (1), side guides (3), longitudinal guides (7) and a horizontal guide (2), a system of springs (9), a controller (22), a linear actuator (4), a protection bar (12), a rigid part (11), a set of bushings, bearings (20), document detection and motion sensors, (13) and an end position sensor (10), a linear spring (14), a bobbin (5) and a motor (6). The invention can be adapted to all types of document reader (21) and reads flat and bulky documents alike. The invention also includes the operating method of the automatic document feeder.

Description

Description
Automatic document feeder
The Technical Side of the Invention
The scanning of bulky documents such as passports currently requires the intervention of the user, due to the fact existing scanners are only capable of correctly scanning flat documents .
In relation to border control, specifically at airports, many scanners fail to scan documents accurately, largely due to the need for human intervention. The main problem is the correct positioning- of the document, passports for example, where there is a need to push the same into position and hold it down in order to guarantee an accurate reading.
Several different alternative solutions have been tried out, namely the use of visual animation. However, these attempts merely reduced the margin of error and failed to deal with the problem involving the need for the user to intervene.
Hence, a solution was required for obtaining greater efficiency when scanning bulky documents .
This invention was conceived with this in mind, and ensures the automatic scanning of all types of document with no need for active human involvement.
State of the art
Nowadays the use of scanners with sliding drawers for scanning flat documents is common.
Some of the patents illustrating the state of the art in this area of technical invention include US5790278, DE29716637U and US6157466. In the case of patent N° US 5790278, the document to be scanned is placed on a tray which is later removed, the scan taking place while the document is being collected. However this mechanism only serves to scan flat documents.
Patent N° DE29716637U refers to a scanner featuring a mechanism which transfers the documents to the scan area. In this case the principal innovation is the fact the optical scanner features a mechanism for transferring the documents, but once again, only flat documents can be scanned.
Patent US 6157466 corresponds to a computer scanner, and includes a mechanism composed of a drawer for withdrawing the document and subsequent scanning.
There is not one scanner in the current state of the art with a automatic feeder composed of a single platform for scanning bulky documents. Existing scanners are composed of drawers or trays for storing and transferring documents to the scanning area.
Furthermore, existing mechanisms involve the document being moved to the scanning area, whereas with this invention it is the platform itself which moves and not the document, thereby significantly reducing the risk of damaging the document.
A Summary of the Invention
This invention features an automatic transparent sliding feeder mechanism located on the upper part of a standard optical scanner. The transparent sliding mechanism feeds, moves and repositions any document, both flat and bulky, to the correct position over the standard reader to activate the optical, electronic or radio-frequency scanning process, with no need for the user to intervene and no risk of the document being damaged. We intend to patent the working mechanism of the invention in addition to the mechanism itself. Thus, both the device and the working method of the device will be patented.
The main parts of the invention are a sliding platform, an optical sensor, side guides with a spring system, a controller, a document locking mechanism, a protection bar and a standard document reader.
One of the main advantages of the invention is the absence of friction between the document and the surrounding parts, due to the fact the document is transferred to the reading area on a sliding platform with no need for any sliding part placed on top of the document, meaning the document cannot become stuck to the part in question and undergo damage.
The invention is designed so documents placed on the platform and transferred (with the platform) to the reading position are always partially visible, enabling the user to remove the document during the reading/scanning without causing any damage to the document or the equipment .
The invention can be installed immediately above a standard document reader, whereby the reading process is activated by an external signal, or in other words, the document is placed on the mechanism by the user, whereby this and the collection of the document on conclusion of the scanning process is the only involvement of the user throughout the scanning process . The manner in which this mechanism is installed on the scanner gives the user the sensation of using one integrated piece of equipment, when in fact two different mechanisms are being used.
It is important to reiterate the work flow of the invention:
- The user places the document on the transparent platform;
- A sensor detects the document and the transparent platform slides into the mechanism;
- A liner actuator pins the document to the transparent platform;
- The document is read by a standard document reader;
- After reading the transparent platform transports the document back to the initial position where it is collected by the user.
The following figures will provide a clearer idea of the invention:
Figure 1 - an exterior view of the invention with the platform in the initial position.
Figure 2 - a cross-section view from below in order to illustrate the respective parts.
Figure 3 - illustrates the invention with all the parts in the reading position.
Figure 4 - shows the invention in the reading position with the parts hidden as a means of viewing the document sensors (13) .
Figure 5 - a side view of the invention positioned on top of the document reader (21) and the remaining support structure. Figure 6 - illustrates the complete structure of the invention and a standard document reader.
Figure 7 - an isometric illustration of the final assembly.
A detailed description of the invention
We will now proceed with a detailed description of the invention using the sketches . As mentioned previously, this invention is a mechanism for the automatic reading of documents, activated when the user places a document on the platform (1) , this being the only human intervention in relation to the process . The documents to be read/scanned may be placed on the platform in any position (1) provided the side to be read is facing down (1) . A motion sensor (13) is attached to the platform (1) and positioned in such a way it will detect any type of document, both flat and bulky.
Once the optical sensor (13) has detected the document a horizontal guide (2) using a system of springs (9) will place the document in the correct position.
When the document is placed on the platform (1) the spring- operated guide (2) moves the document to the left and the platform moves into the position for reading the document.
In order to prevent the document from becoming stuck in the space under the mouth of the apparatus, the system has been designed so the space between the platform (1) and the base of the invention is equivalent to approximately four ^sheets of paper.
When the optical sensor (13) detects the presence of the document it sends a signal to the controller (22) , which, in turn, activates the linear actuator (4) by means of an electric signal.
The linear actuator (4) then pins the document to the tempered glass platform (1) with a frictional force of 3ON to prevent the passport from sliding around the glass platform. A linear spring (14) also helps hold the document in position. Together with the linear actuators, this spring ensures the system is capable of handling documents of different thicknesses and textures.
The force applied by the linear actuator (4) is specifically designed to hold the document firmly in place throughout the scanning process. Furthermore, the force applied enables the user to remove the document in the middle of the scanning process without damaging the same or the linear actuator (4) .
In the event the user removes the document during the scanning process, the platform (1) will automatically return to the initial position once the optical sensor (13) no longer detects the presence of the document .
A protection bar (12) is attached to the platform (1) to prevent foreign objects from entering the equipment and moves in time with the platform.
A soon as the document is in the correct position on the platform (1) , the linear actuator (4) sends a signal to activate the motor (6) , whereby the movement is transferred to the platform (1) by means of a bobbin (5) which places the platform (1) in the position to read the document;
As a means of ensuring the platform (1) does not move out of position, the invention features side guides (3) to guarantee the document is correctly aligned, applying minimal friction on the mechanism, achieved by means of two sets of parallel bushings (8) , one on each side of the equipment, in addition to two or four bearings (20) positioned on the base on which the platform (1) rests.
When the platform (1) reaches the reading position a rigid piece of plastic (11) activates the end position sensor (10), which, in turn, activates the reading/scanning of the document .
Bulky documents are pinned to the glass platform (1) by the pressure applied by the linear actuator (4) and the existence of longitudinal guides (7) which prevent the natural tendency of the document to close . The document is read by a standard reader (21) which captures infrared and ultraviolet images in the visible spectra, guaranteeing a quality which enables the image to be processed on a computer program.
After the document has been read, the reader (21) sends an electric signal of confirmation to the controller (22) , which will then assume the scanning process has been concluded and sends an electric signal to the linear actuator (4) , which then releases the document and returns the platform (1) to the initial position to enable the user to collect the same from the platform (1) .

Claims

Claims
1 - An automatic document feeder comprising :
• A transparent sliding platform ( Ί )
• Side guides (3) , longitudinal guides (7) and a horizontal guide ( 2 ) ;
• A spring system (9) ;
·. A controllex (22)
» A linear actuator (4 )
• A protection bar ( 12 ) ;;
• A .rigid part (ll) ;
• A set of bushings (8) ;
• Bearings (20) ;
• A document detection sensor , motion seilsor (13) and end position sensor ( 10 ) ;
• A linear spring (14) ;
• A bobbin. (5) ; and
• A motor (6) .
2 - Automatic document feeder in accordance wi
defined as being adaptable to all types of document reader and installed immediately above the document reader (21) ■„
3 - Automatic document feeder in accordance with claims 1 and
2, defined as comprising a space between the platform and the base of the mechanism equivalent to approximately four sheefcs of paper .
4 Automatic document feeder in accordance with claims 1 to
3, defined by the sensor detecting both flat and bulky documents .
5 - Automatic documeht. feeder in accordance, with claims 1 to
4, - defined by a low level of friction - 3 ON - in the mechanism by means of the use of two sets of two parallel bushings (8) , one on each side of the apparatus, in addition to two or four bearings (20 ) located in the base on which the platform rests.
6 - Automatic document feeder in accordance with claims 1 to 5, defined by the document being able to be removed by the user at any stage during the reading process.
7 - The automatic document feeder specified in the aforementioned claims operates in accordance with the following steps:
• The user places the document on a platform (1) with the side to be read facing down (1) ;
• A motion sensor (13) detects the document and sends a signal to the controller (22) ,-
• The document is repositioned on the platform by the horizontal guide (2) using a system of springs (9) which slide the document over to the left;
• The linear actuator (4) is activated on receiving an electronic signal sent by the controller (22) , pinning the document to the transparent platform (1) with the help of the longitudinal guides (7) ;
• The linear actuator (4) sends a signal to activate the motor (6) , whereby the movement is transferred to the platform (1) by means of a bobbin (5) which places the platform (1) in the. position to read the document;
• The document is now in the reading position and the end position-sensor (10) determines position zero, whereby the motor (6) starts the pre-programmed rotations to begin reading the document;
• The document is read by a standard document reader;
• After reading, the reader sends an electronic signal to the controller (22), which, on receiving the signal assumes the scanning process has been concluded;
• The controller (22) sends a signal to the linear actuator and to the motor (6) in order for the. transparent platform (l) to transfe the document, to the initial positio here it is CQllected by She user..
EP13829017.6A 2012-11-13 2013-11-13 Automatic document feeder Withdrawn EP2941863A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT2012664012 2012-11-13
PCT/PT2013/000066 WO2014077716A1 (en) 2012-11-13 2013-11-13 Automatic document feeder

Publications (1)

Publication Number Publication Date
EP2941863A1 true EP2941863A1 (en) 2015-11-11

Family

ID=54250589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13829017.6A Withdrawn EP2941863A1 (en) 2012-11-13 2013-11-13 Automatic document feeder

Country Status (1)

Country Link
EP (1) EP2941863A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10049201B2 (en) 2015-05-14 2018-08-14 Alclear, Llc Physical token-less security screening using biometrics
US10528716B2 (en) 2015-05-14 2020-01-07 Alclear, Llc Biometric ticketing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014077716A1 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10049201B2 (en) 2015-05-14 2018-08-14 Alclear, Llc Physical token-less security screening using biometrics
US10268812B2 (en) 2015-05-14 2019-04-23 Alclear, Llc Physical token-less security screening using biometrics
US10268813B2 (en) 2015-05-14 2019-04-23 Alclear, Llc Physical token-less security screening using biometrics
US10489573B2 (en) 2015-05-14 2019-11-26 Alclear, Llc Physical token-less security screening using biometrics
US10515202B2 (en) 2015-05-14 2019-12-24 Alclear, Llc Physical token-less security screening using biometrics
US10528716B2 (en) 2015-05-14 2020-01-07 Alclear, Llc Biometric ticketing
US10552597B2 (en) 2015-05-14 2020-02-04 Alclear, Llc Biometric ticketing
US11232183B2 (en) 2015-05-14 2022-01-25 Alclear, Llc Biometric ticketing
US11620369B2 (en) 2015-05-14 2023-04-04 Alclear, Llc Biometric ticketing
US11687637B2 (en) 2015-05-14 2023-06-27 Alclear. Llc Biometric ticketing
US11687638B2 (en) 2015-05-14 2023-06-27 Alclear, Llc Biometric ticketing
US11841934B2 (en) 2015-05-14 2023-12-12 Alclear, Llc Biometric ticketing

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