WO2020222809A1 - Alimentateur automatique de documents ayant des plateaux de supports automatisés - Google Patents

Alimentateur automatique de documents ayant des plateaux de supports automatisés Download PDF

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Publication number
WO2020222809A1
WO2020222809A1 PCT/US2019/029948 US2019029948W WO2020222809A1 WO 2020222809 A1 WO2020222809 A1 WO 2020222809A1 US 2019029948 W US2019029948 W US 2019029948W WO 2020222809 A1 WO2020222809 A1 WO 2020222809A1
Authority
WO
WIPO (PCT)
Prior art keywords
document feeder
automatic document
media
user
tray
Prior art date
Application number
PCT/US2019/029948
Other languages
English (en)
Inventor
Rene O. VALENZUELA-RIVAS
Ryan M. Smith
Michael V. Leman
Original Assignee
Hewlett-Packard Development Company, L.P.
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 Hewlett-Packard Development Company, L.P. filed Critical Hewlett-Packard Development Company, L.P.
Priority to PCT/US2019/029948 priority Critical patent/WO2020222809A1/fr
Priority to US17/298,583 priority patent/US20220041387A1/en
Publication of WO2020222809A1 publication Critical patent/WO2020222809A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/04—Supports or magazines for piles from which articles are to be separated adapted to support articles substantially horizontally, e.g. for separation from top of pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/02—Pile receivers with stationary end support against which pile accumulates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
    • B65H2405/11—Parts and details thereof
    • B65H2405/111—Bottom
    • B65H2405/1115—Bottom with surface inclined, e.g. in width-wise direction
    • B65H2405/11151—Bottom with surface inclined, e.g. in width-wise direction with surface inclined upwardly in transport direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
    • B65H2405/11—Parts and details thereof
    • B65H2405/111—Bottom
    • B65H2405/1115—Bottom with surface inclined, e.g. in width-wise direction
    • B65H2405/11152—Bottom with surface inclined, e.g. in width-wise direction with surface inclined downwardly in transport direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/10—Cassettes, holders, bins, decks, trays, supports or magazines for sheets stacked substantially horizontally
    • B65H2405/11—Parts and details thereof
    • B65H2405/111—Bottom
    • B65H2405/1117—Bottom pivotable, e.g. around an axis perpendicular to transport direction, e.g. arranged at rear side of sheet support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/30—Other features of supports for sheets
    • B65H2405/32—Supports for sheets partially insertable - extractable, e.g. upon sliding movement, drawer
    • B65H2405/324—Supports for sheets partially insertable - extractable, e.g. upon sliding movement, drawer between operative position and non operative position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/30—Other features of supports for sheets
    • B65H2405/33—Compartmented support
    • B65H2405/331—Juxtaposed compartments
    • B65H2405/3311—Juxtaposed compartments for storing articles horizontally or slightly inclined
    • B65H2405/33115—Feed tray juxtaposed to discharge tray
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/30—Other features of supports for sheets
    • B65H2405/35—Means for moving support
    • B65H2405/354—Means for moving support around an axis, e.g. horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/21—Angle
    • B65H2511/214—Inclination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/511—Presence of user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/39—Scanning

Definitions

  • An automatic document feeder may be used for automatically
  • the automatic document feeder may eject the media and process a next sheet of media.
  • FIGS. 1 A and 1 B are block diagrams illustrating an example of an automatic document feeder including automated media trays in a closed position and an open position, respectively.
  • FIG. 2 is a block diagram illustrating an example of an inkjet printing system including an example of an automatic document feeder.
  • FIGS. 3A and 3B are perspective views illustrating an example of an automatic document feeder including automated media trays in a closed position and an open position, respectively.
  • FIGS. 4A and 4B are cross-sectional views illustrating an example of the automatic document feeder of FIGS. 3A and 3B including automated media trays in a closed position and an open position, respectively.
  • FIG. 5 is a flow diagram illustrating an example of a method of operating an automatic document feeder. Detailed Description
  • ADF 10 includes a media path 12 to route media 2 through ADF 10, and automated media trays 14 to supply media 2 to media path 12 and receive media 2 from media path 12, as represented by arrows 4.
  • automated media trays 14 include an input tray 141 to supply media 2 to media path 12, and an output tray 142 to receive media 2 from media path 12.
  • automated media trays 14, including input tray 141 and output tray 142 are to be positioned based on a presence of a user 20 at ADF 10.
  • automated media trays 14 are in a closed positon, and, as illustrated in the example of FIG. 1 B, with the presence of user 20 at ADF 10, automated media trays 14 are in an open positon.
  • automated media trays 14 are non-communicated with media path 12, and, as illustrated in the example of FIG. 1 B, with the presence of user 20 at ADF 10, automated media trays 14 are communicated with media path 12.
  • ADF 10 includes a sensor 16 to sense the presence of user 20 at ADF 10, and provide input to control the position of automated media trays 14.
  • an automatic document feeder such as ADF 10 may be used to automatically transport media (one sheet or multiple sheets sequentially) along a media path, such as media path 12, from an input tray, as an example of an automated media tray 14, to a scanning or imaging position, and then to an output tray, as another example of an automated media tray 14.
  • the media may be scanned or imaged for copying, scanning, faxing, displaying on a monitor, or other processing.
  • ADF 10 may be part of a printer, a scanner, a photocopier, a fax machine, or a multi-function or all-in-one device providing printing, scanning, copying, and/or faxing capabilities.
  • FIG. 2 illustrates an example of an inkjet printing system.
  • Inkjet printing system 100 includes a printhead assembly 102, as an example of a fluid ejection assembly, a fluid (e.g., ink) supply assembly 104, a mounting assembly 106, a media transport assembly 108, an electronic controller 1 10, and a power supply 1 12 that provides power to electrical components of inkjet printing system 100.
  • Printhead assembly 102 includes a printhead die 1 14, as an example of a fluid ejection die or fluid ejection device, that ejects drops of fluid through a plurality of orifices or nozzles 1 16 toward a print media 1 18 so as to print on print media 1 18.
  • Print media 1 18 can be any type of suitable sheet or roll material, such as paper, card stock, transparencies, Mylar, and the like, and may include rigid or semi-rigid material, such as cardboard or other panels.
  • Nozzles 1 16 are arranged in columns or arrays such that properly sequenced ejection of fluid from nozzles 1 16 causes characters, symbols, and/or other graphics or images to be printed on print media 118 as printhead assembly 102 and print media 1 18 are moved relative to each other.
  • Fluid supply assembly 104 supplies fluid to printhead assembly 102 and, in one example, includes a reservoir 120 for storing fluid such that fluid flows from reservoir 120 to printhead assembly 102.
  • printhead assembly 102 and fluid supply assembly 104 are housed together in an inkjet cartridge or pen.
  • fluid supply assembly 104 is separate from printhead assembly 102 and supplies fluid to printhead assembly 102 through an interface connection, such as a supply tube.
  • Mounting assembly 106 positions printhead assembly 102 relative to media transport assembly 108, and media transport assembly 108 positions print media 1 18 relative to printhead assembly 102.
  • a print zone 122 is defined adjacent to nozzles 1 16 in an area between printhead assembly 102 and print media 118.
  • printhead assembly 102 is a scanning type printhead assembly.
  • mounting assembly 106 includes a carriage for moving printhead assembly 102 relative to media transport assembly 108 to scan print media 1 18.
  • printhead assembly 102 is a non scanning type printhead assembly.
  • mounting assembly 106 fixes printhead assembly 102 at a prescribed position relative to media transport assembly 108.
  • media transport assembly 108 positions print media 1 18 relative to printhead assembly 102.
  • Electronic controller 1 10 includes a processor, firmware, software, memory components including volatile and non-volatile memory components, and other printer electronics for communicating with and controlling printhead assembly 102, mounting assembly 106, and media transport assembly 108.
  • Electronic controller 1 10 receives data 124 from a host system, such as a computer, and temporarily stores data 124 in a memory.
  • Data 124 is sent to inkjet printing system 100 along an electronic, infrared, optical, or other information transfer path.
  • Data 124 represents, for example, a document and/or file to be printed. As such, data 124 forms a print job for inkjet printing system 100 and includes print job commands and/or command parameters.
  • electronic controller 1 10 controls printhead assembly 102 for ejection of fluid drops from nozzles 1 16.
  • electronic controller 1 10 defines a pattern of ejected fluid drops which form characters, symbols, and/or other graphics or images on print media 1 18. The pattern of ejected fluid drops is determined by the print job commands and/or command parameters.
  • Printhead assembly 102 includes one (i.e., a single) printhead die 114 or more than one (i.e., multiple) printhead die 1 14.
  • printhead assembly 102 is a wide-array or multi-head printhead assembly.
  • printhead assembly 102 includes a carrier that carries a plurality of printhead dies 1 14, provides electrical communication between printhead dies 1 14 and electronic controller 1 10, and provides fluidic communication between printhead dies 1 14 and fluid supply assembly 104.
  • inkjet printing system 100 is a drop-on-demand thermal inkjet printing system wherein printhead assembly 102 includes a thermal inkjet (TIJ) printhead that implements a thermal resistor as a drop ejecting element to vaporize fluid in a fluid chamber and create bubbles that force fluid drops out of nozzles 1 16.
  • inkjet printing system 100 is a drop-on- demand piezoelectric inkjet printing system wherein printhead assembly 102 includes a piezoelectric inkjet (PIJ) printhead that implements a piezoelectric actuator as a drop ejecting element to generate pressure pulses that force fluid drops out of nozzles 1 16.
  • PIJ piezoelectric inkjet
  • inkjet printing system 100 includes an automatic document feeder (ADF) 130, as an example of ADF 10, and an image reader 126 such that ADF 130 automatically transports media 128 along a media path 132, as an example of media path 12, to and/or past image reader 126.
  • ADF automatic document feeder
  • image reader 126 may acquire and/or generate an image of a side or surface of media 128.
  • ADF 130 includes automated media trays 134, as an example of automated media trays 14, to support media 128 for input to media path 132 (e.g., an input tray) and to receive media 128 as output from media path 132 (e.g., an output tray).
  • automated media trays 134 may be automatically positioned (for example, closed or opened, stowed or deployed, covered or uncovered, concealed or revealed, retracted or extended, non-communicated or communicated, accessible or inaccessible) based on a presence of a user of inkjet printing system 100, including based on a presence of a user at ADF 130.
  • a presence of a user is determined by a sensor 136.
  • sensor 136 is communicated with electronic controller 1 10 and electronic controller 110 is communicated with ADF 130, including automated media trays 134.
  • electronic controller 1 10 controls a position of automated media trays 134 based on a presence of a user of inkjet printing system 100, including based on a presence of a user at ADF 130, as
  • FIGS. 3A and 3B are perspective views illustrating an example of an automatic document feeder (ADF) 200, as an example of ADF 10, including automated media trays 210, as an example of automated media trays 14, in a closed position and an open position, respectively
  • FIGS. 4A and 4B are cross-sectional views illustrating an example of ADF 200 with automated media trays 210 in a closed position and an open position, respectively.
  • ADF automatic document feeder
  • automated media trays 210 may be automatically positioned (e.g., moved between a first position and a second position) based on a position of a user, for example, user 220, as an example of user 20, relative to ADF 200 including, more specifically, based on a presence of a user, for example, user 220, at ADF 200.
  • automated media trays 210 may be automatically positioned based on a proximity of a user, for example, user 220, being within a predetermined distance of ADF 200.
  • ADF 200 includes a housing 202, automated media trays 210 supported by housing 202, and a media path 204, as an example of media path 12, within housing 202.
  • media path 204 includes a variety of guides, rollers, wheels, etc. to achieve handling and routing of media within and/or through ADF 200, as disclosed herein.
  • automated media trays 210 include an input tray 211 and an output tray 212 such that input tray 211 supports and supplies media for input to ADF 200, and output tray 212 receives and supports media as output from ADF 200.
  • input tray 21 1 and output tray 212 are positioned such that input tray 21 1 communicates with one end of media path 204 (i.e., an input end), and output tray 212 communicates with an opposite end of media path 204 (i.e., an output end).
  • media may be routed from input tray 21 1 to output tray 212 along media path 204, as represented by broken line arrows 205 (FIG. 4B).
  • automated media trays 210 may be automatically positioned (e.g., oriented, arranged, configured, operated, actuated) to selectively communicate with media path 204 or provide access to media path 204.
  • automated media trays 210 including both input tray 21 1 and output tray 212, are positioned so as not to communicate with or provide access to media path 204. More specifically, in the position of FIGS.
  • automated media trays 210 are in a closed, stowed, covered, concealed, or retracted position (collectively referred to herein as a "closed position” for simplicity) such that automated media trays 210 are not communicated with media path 204 (i.e., are non-communicated or uncommunicated with media path 204).
  • automated media trays 210 including both input tray 21 1 and output tray 212, are positioned to communicate with or provide access to media path 204. More specifically, in the position of FIGS. 3B and 4B, automated media trays 210 are in an open, deployed, uncovered, revealed, or extended position (collectively referred to herein as an "open position” for simplicity) such that automated media trays 210 are communicated with media path 204.
  • a position of automated media trays 210 including, more specifically, a position of input tray 21 1 and a position of output tray 212, may be established based on a presence of a user, for example, user 220, at ADF 200. More specifically, without a presence of a user at ADF 200, or with an absence of a user at ADF 200, automated media trays 210 may be in a closed position, as illustrated, for example, in FIGS. 3A and 4A. As such, automated media trays 210 do not communicate with media path 204, and ADF 200 is not available for use.
  • automated media trays 210 may be in an open position, as illustrated, for example, in FIGS. 3B and 4B. As such, automated media trays 210 communicate with media path 204, and ADF 200 is available for use.
  • a presence (or absence) of a user at ADF 200 is based on a proximity of a user to ADF 200. More specifically, in examples, when a user is not within a proximity of ADF 200 (i.e., the proximity of the user is not less than a threshold), automated media trays 210 may be in a closed position, for example, automatically moved to or changed to a closed position, as illustrated, for example, in FIGS. 3A and 4A.
  • automated media trays 210 may be in an open position, for example, automatically moved to or changed to an open position, as illustrated, for example, in FIGS. 3B and 4B.
  • a proximity of a user to ADF 200 may be determined by or based on a reading of a sensor 206, as an example of sensor 136.
  • sensor 206 is supported by or mounted on housing 202 of ADF 200.
  • sensor 206 is an optical or laser-based sensor such as a time-of-flight (TOF) laser sensor, including 2D or 3D laser scanning, such as LIDAR, or other scanning, sensing and/or detection capability.
  • TOF time-of-flight
  • sensor 206 is a proximity sensor and measures or determines a distance of an individual, for example, user 220, from ADF 200. In examples, if an individual is within a predetermined distance of ADF 200, as measured or determined, for example, by sensor 206, a presence of an individual at ADF 200 is established (such that automated media trays 210 are in or automatically moved to or changed to the open position). Flowever, if an individual is not within a predetermined distance of ADF 200, as measured or determined, for example, by sensor 206, a presence of an individual at ADF 200 is not established and, correspondingly, an absence of an individual at ADF 200 is established (such that automated media trays 210 are in or automatically moved to or changed to the closed position).
  • automated media trays 210 are in the closed position (e.g., FIGS. 3A and 4A).
  • a user for example, user 220
  • ADF 200 i.e., is within a predetermined distance of ADF 200
  • automated media trays 210 are automatically moved to or changed to the open position (e.g., FIGS. 3B and 4B).
  • the user may use ADF 200.
  • automated media trays 210 are automatically moved to or changed to the closed position (e.g., FIGS. 3A and 4A).
  • sensor 206 operates as a verification or authentication sensor for controlled access to ADF 200.
  • Authorization to use ADF 200 may be established, for example, by a user credential, such as a badge or access card (e.g., employee badge or access card with RFID, bar code, magstripe, etc.) or a code (e.g., unique pin).
  • a user credential such as a badge or access card (e.g., employee badge or access card with RFID, bar code, magstripe, etc.) or a code (e.g., unique pin).
  • automated media trays 210 are automatically moved to or changed to the open position (e.g., FIGS. 3B and 4B). As such, the user may use ADF 200. Thereafter, when the user leaves or walks away from ADF 200 (and, therefore, is not within a predetermined distance of ADF 200), automated media trays 210 are automatically moved to or changed to the closed position (e.g., FIGS. 3A and 4A).
  • a presence of a user at ADF 200 is based on physical interaction with ADF 200 by a user.
  • automated media trays 210 may be in an open position, for example, automatically moved to or changed to an open position, as illustrated, for example, in FIGS. 3B and 4B.
  • the closed position of automated media trays 210 and the open position of automated media trays 210 represent different operational modes of ADF 200. More specifically, in one implementation, a closed position of automated media trays 210 represents a standby mode of ADF 200, and an open position of automated media trays 210 represents a ready or use mode of ADF 200.
  • automated media trays 210 are pivoted relative to housing 202 to establish the open position and the closed position. More specifically, automated media trays 210 are pivotally mounted in or pivotally supported by housing 202. In one example, input tray 21 1 is pivotally mounted or pivotally supported about an axis 213, and output tray 212 is pivotally mounted or pivotally supported about an axis 214. As such, between the closed position of FIGS. 3A and 4A and the open position of FIGS. 3B and 4B, input tray 21 1 is pivoted about axis 213 and output tray 212 is pivoted about axis 214.
  • ADF 200 includes a drive system 216 (FIGS. 4A and 4B) to move input tray 211 and output tray 212 and establish the open position and the closed position.
  • drive system 216 may include, for example, a motor, solenoid or other mechanism and associated gears, guides or other components operatively connected to or coupled with input tray 21 1 and output tray 212 to move or change input tray 21 1 and output tray 212, collectively or individually, and establish the open position and the closed position of each.
  • FIG. 5 is a flow diagram illustrating an example of a method 500 of operating an automatic document feeder, such as automatic document feeder 10, 130, 200, as illustrated in the examples of FIGS. 1 A and 1 B, FIG. 2, FIGS. 3A and 3B, 4A and 4B, respectively.
  • an automatic document feeder such as automatic document feeder 10, 130, 200
  • method 500 includes sensing a presence or an absence of a user at the automatic document feeder, such as user 20, 220 at automatic document feeder 10, 200, as illustrated in the examples of FIGS. 1 A and 1 B, FIGS. 3A and 3B, 4A and 4B, respectively.
  • method 500 includes, with sensing the presence of the user at the automatic document feeder, establishing an open position of both an input tray and an output tray of the automatic document feeder, such as an open position of input tray 141 , 21 1 and output tray 142, 212 of automatic document feeder 10, 200, respectively, as illustrated in the examples of FIGS. 1 A and 1 B, FIGS. 3A and 3B, 4A and 4B.
  • method 500 includes, with sensing the absence of the user at the automatic document feeder, establishing a closed position of both the input tray and the output tray of the automatic document feeder, such as a closed position of input tray 141 , 21 1 and output tray 142, 212 of automatic document feeder 10, 200, respectively, as illustrated in the examples of FIGS.
  • FIGS. 3A and 3B, 4A and 4B are identical to FIGS. 3A and 3B, 4A and 4B.
  • establishing the open position of both the input tray and the output tray at 504 includes communicating both the input tray and the output tray with a media path of the automatic document feeder, such as communicating input tray 141 , 21 1 and output tray 142, 212 with media path 12, 204 of automatic document feeder 10, 200, respectively, as illustrated in the examples of FIGS. 1 A and 1 B, FIGS. 3A and 3B, 4A and 4B, and establishing the closed position of both the input tray and the output tray at 506, includes non-communicating both the input tray and the output tray with the media path of the automatic document feeder, such as non-communicating input tray 141 ,
  • sensing the presence or the absence of the user at the automatic document feeder at 502 includes sensing a proximity of the user to the automatic document feeder, such as sensing the presence or the absence of user 20 at automatic document feeder 10, 200, as illustrated in the examples of FIGS. 1 A and 1 B, FIGS. 3A and 3B, 4A and 4B, respectively.
  • an automatic document feeder and method of operating an automatic document feeder includes automated opening and closing of media trays of the automatic document feeder, including automated opening and closing of an input tray and an output tray of the automatic document feeder, based on a presence or an absence of a user at the
  • Automated opening and closing of media trays of the automatic document feeder may improve user experience with the automatic document feeder, as the user will not have to manually open and/or close the media trays.
  • automated closing of media trays of the automatic document feeder may improve the aesthetic appearance of the automatic document feeder by providing a more "sleek" or “clean” visual appearance to the automatic document feeder.
  • automated closing of media trays of the automatic document feeder when the automatic document feeder is not in use may help to limit damage to the media trays, as the media trays (or portions thereof) may not protrude or extend from the automatic document feeder.
  • automated opening and closing of media trays of the automatic document feeder may be used to control access to the automatic document feeder (e.g., limit use of the automatic document feeder to authorized individuals).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Facsimiles In General (AREA)

Abstract

L'invention concerne un alimentateur automatique de documents comprenant un trajet de supports servant à acheminer des supports dans l'alimentateur automatique de documents, et des plateaux de supports automatisés servant à fournir les supports au trajet de supports et à recevoir les supports en provenance du trajet de supports, les plateaux de supports automatisés étant positionnés en fonction d'une présence d'un utilisateur au niveau de l'alimentateur automatique de documents.
PCT/US2019/029948 2019-04-30 2019-04-30 Alimentateur automatique de documents ayant des plateaux de supports automatisés WO2020222809A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US2019/029948 WO2020222809A1 (fr) 2019-04-30 2019-04-30 Alimentateur automatique de documents ayant des plateaux de supports automatisés
US17/298,583 US20220041387A1 (en) 2019-04-30 2019-04-30 ADF With Automated Trays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2019/029948 WO2020222809A1 (fr) 2019-04-30 2019-04-30 Alimentateur automatique de documents ayant des plateaux de supports automatisés

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WO2020222809A1 true WO2020222809A1 (fr) 2020-11-05

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Publication number Priority date Publication date Assignee Title
JP2022044974A (ja) * 2020-09-08 2022-03-18 セイコーエプソン株式会社 媒体搬送装置及び画像読み取り装置

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