EP1787468A2 - Lecteur multimedia personnel et procede associe - Google Patents

Lecteur multimedia personnel et procede associe

Info

Publication number
EP1787468A2
EP1787468A2 EP05774805A EP05774805A EP1787468A2 EP 1787468 A2 EP1787468 A2 EP 1787468A2 EP 05774805 A EP05774805 A EP 05774805A EP 05774805 A EP05774805 A EP 05774805A EP 1787468 A2 EP1787468 A2 EP 1787468A2
Authority
EP
European Patent Office
Prior art keywords
content
media player
memory
coupled
interface
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Withdrawn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
EP05774805A
Other languages
German (de)
English (en)
Other versions
EP1787468A4 (fr
Inventor
Mitchell Kroll
Steven Spilman
Blake Squires
Christopher Celeste
Lauren Spilman
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.)
Findaway World LLC
Original Assignee
Findaway World LLC
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
Priority claimed from US10/975,534 external-priority patent/US20060020968A1/en
Priority claimed from US11/029,419 external-priority patent/US7562394B2/en
Application filed by Findaway World LLC filed Critical Findaway World LLC
Publication of EP1787468A2 publication Critical patent/EP1787468A2/fr
Publication of EP1787468A4 publication Critical patent/EP1787468A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus

Definitions

  • the present invention relates generally to portable personal media player. More particularly, the present invention relates to a personal digital media player having a fixed, pre-loaded content for playing entertainment, advertising, providing information, education, etc. for a user.
  • a personal, fixed digital content media player comprising, a microprocessor, a memory coupled to the microprocessor, the memory being inaccessible to a user and digital content to be stored in the memory being inalterable by the user, a digital-to-analog converter (DAC) coupled to the microprocessor, a headphone jack coupled to the DAC, a control interface controlling operation of the player, and a compact, handheld size casing housing the microprocessor, memory, DAC, headphone jack and control interface.
  • DAC digital-to-analog converter
  • a system for loading a personal, fixed digital content media player comprising, a microprocessor, a memory coupled to the microprocessor, the memory being inaccessible to a user and digital content to be stored in the memory being inalterable by the user, a digital-to-analog converter (DAC) coupled to the microprocessor, a headphone jack coupled to the DAC converter, a control interface controlling operation of the player, a compact, handheld size casing housing the microprocessor, memory, DAC, headphone jack and control interface, a content loader interface interior to the headphone jack, wherein content to be stored in the memory is loaded into the memory via an insertion of an elongated contact into the headphone jack, making contact with the content loader interface, and a data bus coupled to the content loader interface.
  • DAC digital-to-analog converter
  • a system for loading a personal, fixed digital content media player comprising, a microprocessor, a memory coupled to the microprocessor, the memory being inaccessible to a user and digital content to be stored in the memory being inalterable by the user, a digital-to-analog converter (DAC) coupled to the microprocessor, a headphone jack coupled to the DAC, a control interface controlling operation of the player, a compact, handheld size casing housing the microprocessor, memory, DAC, headphone jack and control interface, a content loader interface in an access port within a user-removable power source compartment, wherein content is loaded into the memory via an insertion of a loader contact into the access port, and a data bus coupled to the content loader interface.
  • DAC digital-to-analog converter
  • a personal, fixed digital content media player comprising, processing means for processing digital information, storage means for storing digital information, the storage means being coupled to the processing means, wherein the storage means is inaccessible to a user and digital content to be stored in the storing means is inalterable by the user, conversion means for converting the processed digital information into analog information, the conversion means being coupled to the processing means, coupling means for coupling the analog information to a listening means, the coupling means being coupled to the conversion means, control means for controlling operation of the player, the control means being coupled to the processing means, and a covering means for enclosing the above processing, storage, conversion, coupling, and control means, the covering means being of a handheld size.
  • a system for loading a personal, fixed digital content media player comprising, processing means for processing digital information, storage means for storing digital information, the storage means being coupled to the processing means, wherein the storage means is inaccessible to a user and digital content to be stored in the storing means is inalterable by the user, conversion means for converting the processed digital information into analog information, the conversion means being coupled to the processing means, coupling means for coupling the analog information to a listening means, the coupling means being coupled to the conversion means, control means for controlling operation of the player, the control means being coupled to the processing means, a covering means for enclosing the above processing, storage, conversion, coupling, and control means, the covering means being of a handheld size, a loading means for loading digital information into the player, and a bus means for conveying signals coupled to the loading means.
  • a method assembling a personal, fixed content, digital media player comprising the steps of, coupling a microprocessor to a fixed memory, coupling a digital-to-analog converter (DAC) to the microprocessor, coupling a headphone jack to the DAC, coupling a control interface, controlling operation of the player to the microprocessor, encasing the microprocessor, memory, DAC, headphone jack and control interface in a compact, handheld size casing, and preventing the memory from being accessed by a user and preventing digital content to be stored in the memory from being altered by the user.
  • DAC digital-to-analog converter
  • a personal, fixed digital content media player comprising, a single chip device capable of performing the functions of a microprocessor, memory, and digital-to-analog converter (DAC), a headphone jack coupled to the single chip, a control interface controlling operation of the player, and a compact, handheld size casing housing the single chip, headphone jack and control interface, wherein the memory is inaccessible to a user and digital content to be stored in the memory is inalterable by the user.
  • DAC digital-to-analog converter
  • FIG. 1 is a functional illustration of an exemplary embodiment of the invention.
  • FIG. 2 is a block diagram of another exemplary embodiment.
  • FIG. 3 is an illustration of an exploded view of an exemplary embodiment.
  • FIG. 4 is an illustration of a front appearance of an exemplary embodiment.
  • FIG. 5 is an illustration of a back appearance of the exemplary embodiment of FIG. 4.
  • FIG. 6 is an illustration of another appearance of an exemplary embodiment.
  • FIG. 7 is an illustration of an exemplary content loading system.
  • FIG. 1 A functional illustration 10 of an exemplary player 2 is provided in FIG. 1.
  • the exemplary player 2 is effectively illustrated in FIG. 1 as a personal, portable media player 2 having digitally encapsulated fixed content therein, that is non-consumer modifiable.
  • the player 2 is generally configured with a microprocessor (uP) 4 and/or digital signal processor (DSP) 6 for processing and converting the digital content contained in memory 8 for amplification by an amplifier/digital-to-analog converter (DAC) 12.
  • uP microprocessor
  • DSP digital signal processor
  • the microprocessor 4 is coupled, directly or indirectly, to an optional display 14, which displays information relating to the content and/or the status of the player 2.
  • the display 14 may be a liquid crystal display (LCD) or an organic light emitting diode (OLED), which monitors the battery status, play status, song title/artist/time, etc.
  • the display 14 can also, in various exemplary embodiments, operate as a screen for video playback or photo illustration and is preferably designed to consume nominal power to conserve energy. Power conservation schemes for the microprocessor 4 and DSP 6 may also be used, as according to design preference.
  • the microprocessor 4 also operates to respond to user input in the control interface 16.
  • the control interface 16 contains standard control functions, such as, for example, volume, play, stop, fast forward/skip, reverse, etc.
  • Other control functions such as, for example, mode select, pause, random play, equalizer, bass/treble, etc., may be implemented according to design preferences.
  • the DSP 6 may not be necessary for various exemplary embodiments. This is, it is well known that some microprocessors are capable of performing DSP functions, therefore, depending on the sophistication of the microprocessor chosen and the type of decompression/conversion being performed on the stored content, the DSP 6 may not be a necessary element for performing the desired function. Accordingly, the microprocessor 4 may be directly coupled to the amplifier/DAC 12, for amplifying the content extracted from the memory 8.
  • FIG. 1 illustrates the memory 8 as having a "chip" like appearance
  • any type of memory capable of storing digital content may be used.
  • any memory whether in a single or distributed configuration or, as commonly used, such as ROM, flash, DTP, etc., may be used for storing the content.
  • the memory 8 may be integrated into the microprocessor 4 or DSP 6. That is, it is well known that microprocessors or DSP's are capable of being designed with built-in memory, whether in cache and/or static form. Therefore, based on the availability and size of built-in memory, the stand alone memory 8, as a separate component, may not be necessary.
  • the digital content stored in the memory 8 may be in compressed form, according to any one or more of now known or future compression schemes, such as, for example, MP3, WAV, RA, OGG, AAC, Atrac, WMA, and WMx, etc.
  • Video content can be accommodated, therefore, compression such as MPEG, WMV, JPEG, DV, and DiVx, etc. can be used. Compression, whether lossy or non-lossy, is desired to increase the amount of content storable in the memory 8.
  • the content stored may encompass any type of storable content, ranging from a series of songs, an audible book, a movie, etc.
  • the compressed content is decompressed or converted by the microprocessor 4 and/or the DSP 6, which is amplified and converted by the amplifier/DAC 12.
  • the amplified content stream is conveyed to headphones 18 for aural presentation and to optional display 14 for visual presentation to the user.
  • Portions of or the entire control interface 16 may be attached to the headphones 18 to conveniently enable a user to control the player 2, or the headphones 18 may be of a wired variety or non-wired, comprising one or more speaker elements. Additionally, the headphones 18 may be integrally attached to the player 2, so as to prevent removal from the player 2, or, as seen in conventional player systems, removably attached.
  • the headphone jack (not shown) is preferably, but not necessarily, a standard headphone stereo jack, so as to enable compatibility with standard headphone jack mating equipment. Accordingly, the player's headphone jack (not shown) may be connected to a home stereo or other systems to enable the user to enjoy the content using speakers or amplifiers other than that of the player's.
  • the headphone jack may additionally facilitate the use of an FM tuner/broadcaster or other broadcast or playback mechanism, as is commonly seen in other portable electronic devices.
  • FIG. 1 An enclosure or "skin” 3 is illustrated in FIG. 1 as encompassing the player 2.
  • the skin 3 in addition to providing an enclosure for the player 2, may be configured to with a design for visual branding of elements tied to the content in the memory 8 or to a third-party.
  • the configuration of the skin 3 may comprise a design and/or a shaping of the form of the enclosure.
  • the skin 3 may be shaped in the form of Mickey Mouse ears to convey a Disney- related content in the player 2.
  • the skin 3 or exterior of the player 2 can also be altered to enable easier "wearablity" of the player 2.
  • a ring or hole in the skin of the player 2 can be accommodated to facilitate a lanyard, a clip, etc., to enable attachment to a user's person.
  • the content encapsulated in memory 8 is understood to be non-re-recordable by the user/consumer.
  • the content may be of any form of digital audio, video, audio/video, multimedia, textual, graphical, etc., or any combination thereof.
  • the content is pre-loaded into the memory 8 prior to the user's receipt and, thus cannot be manipulated, overwritten, re-recorded by the user.
  • the memory 8, may be separately loaded from the player 2, having content pre-loaded therein and, thereafter, inserted into the player 2, either during the player' s 2 assembly or prior to distribution to a user.
  • DAC digital-to- analog converters DAC
  • FIG. 1 shows a combined amplifier/DAC 12.
  • the DAC may be a separate component from the amplifier and thus implemented between the microprocessor 4/DSP 6 unit and the amplifier 12.
  • the DAC may be situated between the amplifier 12 and the headphones 18 and/or the display 14.
  • the memory 8 is prevented from being subsequently removed from the player 2 by the user.
  • the ability to secure the memory 8 and thus the content in the player 2 can be accomplished by using a 1-way mechanical latch in the player 2.
  • an electrical fuse or a coating/lock-out scheme can be implemented in the memory 8, preventing unauthorized removal of the memory 8 from the player 2.
  • the exemplary player 2 Based on the exemplary player 2, a user upon purchase or acquisition of the exemplary player 2, can immediately enjoy or access the content in the player 2. Thus, the exemplary player 2 provides an "un-wrap and play" functionality. Moreover, since the content in the player 2 is fixed and non- rerecordable, content providers and sponsors of the content/player/skin advertisements do not need to fear wholesale copying of the content, as the content is only playable via the analog output to the headphones 18 or a coupled device through the headphone jack.
  • FIG. 2 is an illustration 20 of a functional layout of various elements of another exemplary embodiment.
  • the exemplary embodiment of FIG. 2 shares many of the same components that were described in the embodiment of FIG. 1.
  • a microcontroller 21 receives digitalized content from the memory 22. The content is decompressed or processed by the microcontroller 21 and forwarded to the DAC 23. From the DAC 23, the content (now in analog form) is conveyed to the headphone jack 24. The microcontroller 21 also receives inputs from the control 26 and outputs information to the display 25. Given the capabilities of the display 25 chosen and the type of content stored in the memory 22, the content as well as status information may be passed on to the display 25, for viewing by the user.
  • FIG. 2 includes a content loading capability. That is, content loader interface 29 is provided in the exemplary embodiment to enable an exterior content loader 28, to load content into the memory 22.
  • the content loader 28 is illustrated as coupling to the memory 22 via the headphone jack 24.
  • the content loading is facilitated by a prong that protrudes into the headphone jack 24 and mates with the content loader interface 29, to enable electrical communication with the content memory 22 and, if necessary, the microcontroller 21.
  • the content loader interface 29 will be "behind" the headphone jack 24 to enable contact with the external content loader connector. Via this external -to-internal connection, content designated for downloading from the content loader 28 can be communicated into the memory 22, without disassembling the player or requiring the content to be pre-loaded into the memory 22 prior to assembly of the player.
  • FIG. 2 An alternative scheme for externally loading content is also illustrated in FIG. 2 by the dashed line connecting the content loader 28 to the content loader interface 29.
  • an access port is accommodated within the battery housing or battery chamber 27. Via this access port (not shown), the content loader 28 can similarly load content into the memory 22.
  • the content loader interface 29 will be exposed or considered accessible when the battery is removed from the battery housing 27.
  • other access ports or locations may be used according to design preferences.
  • connection between the content loader 28 and the content loader interface 29 is a serial interface, which is preferably, but not necessarily, a universal serial bus (USB).
  • USB universal serial bus
  • other bus, or communication/transfer methodologies or architectures may be utilized according to design preference, such as, for example, Firewire, USB 2, etc.
  • the content loader interface may be configured with a code key or other mechanism to restrict unauthorized access.
  • a specific sequence of button 21 presses can be used to enable the memory 22 to be loaded.
  • separate hidden buttons are switches could be used to enable programming of the memory 22. The buttons or switches would be accessible by one or more holes located in the casing, which would be covered by the content sheet.
  • FIG. 3 is an illustration of exploded view 30 of the components of an exemplary embodiment of the invention.
  • the exploded view 30 illustrates printed circuit board (PCB) 32 containing electronics (such as described in FIGS. 1 and 2) for performing the functions of the media player.
  • PCB printed circuit board
  • User controls 34 for controlling the playback and/or interaction with the player, are coupled to the PCB 32.
  • An ear bud jack or external output jack 36 in the casing frame 38 is provided for audio and/or video output.
  • the casing frame 38 provides a supporting structure for the PCB 32 and facilitates containment of a rechargeable or single use battery 42 (preferably, but not necessarily, a AAA battery) which is fixed by a locking or securing cap 43.
  • a rechargeable or single use battery 42 preferably, but not necessarily, a AAA battery
  • a casing body 44 is situated over the casing frame 38 to provide a protective cover for the PCB 32 and associated components.
  • Casing top 46 is affixed to the top portion of the casing body 44 to result in a structurally protective casing about the PCB 32 and components.
  • An exterior "branding" of the exemplary player is facilitated by an attachable content sheet 48 that is affixable to the casing.
  • the casing body 44 is desired to be of a compact size to enable users to hand carry the player.
  • the casing body 44 can be significantly smaller than a hand carry size, such as the size of a deck of cards, a matchbox or smaller, depending on design and the target market preference.
  • the casing body 44 may be shaped to conform to a particular product or purpose.
  • the exemplary player may be configurable with an optional display 35 for illustrating information regarding the content provided in the exemplary player.
  • the display 35 is coupled to the PCB 32 and to the supporting circuitry therein.
  • the display 35 is an LCD or OLED having alpha-numeric characters corresponding to the track, chapter, etc. Backlighting of the display 35 may be used according to the design preferences.
  • the display 35 is capable of going into a power conservation mode - e.g., turning off after a specified number of seconds, or by explicit manipulation of the user interface buttons 34.
  • types of displays 35 other than LCD's or OLED' s may be used accordingly to design preference.
  • FIG. 3 illustrates the various components of an exemplary embodiment of the player as being configured with a casing "top” 46 mated to the casing body 44
  • the casing "top” may be a "bottom” and the casing structures may be a single piece rather than the multiple pieces described herein.
  • the optional display 35 may be placed at other locations in the player.
  • buttons 34 are illustrated in FIG.3 as a set of three push buttons which are situated on the PCB 32, it should be appreciated that alternative button types (e.g. switches, toggles, sensors) or configurations or locations may be used. For example, less or more buttons that are capacitive, resistive, or based on other common or future derived interface mechanisms can be implemented. Also, in an exemplary embodiment utilizing buttons, the functionalities of the buttons may be varied according to design preference. These variations of user interface buttons are well known in the art and, therefore, they are not further detailed herein.
  • a bus interface for loading content into the memory is provided.
  • the interface is situated interior to the casing 44 and in accessible through a port 45 located, for example, within the battery slot to enable a coupler to be inserted therein.
  • the interface 45 may also be situated interior to the headphone jack 36, as discussed in FIG. 2.
  • the interface may be coded, electronically or mechanically, to prevent unauthorized loading of content into the player. Methods for defeating unauthorized use of the interface are well known to one of ordinary skill in the art and are, therefore, not detailed herein.
  • FIG. 4 is an illustration of a front view 40 of an assembled exemplary embodiment.
  • the embodiment of FIG.4 is a player without a display. Since a display is not provided, the audio content in the player will be keyed with audible cues to the user. For example, when pressing a fast forward button, the microprocessor will generate a tone or sound indicating a fast forward operation. For example, an audible voice saying "fast forward” may be used to notify the user of the "mode” being invoked as being a fast forward operation.
  • Such "tags” could be stored on memory resident in the microprocessor, or may be stored in the content memory.
  • the content itself may be keyed with information indicating the tile of the song/piece/trade being played.
  • "metagging" to identify the song, artist, chapter, section, etc. could be encoded into the player as a separate asset or with the content.
  • Methods for adding audible information to assist in tracking the operation of the player are well known and, therefore, not further detailed herein. Such methods may also be utilized in embodiments with a display.
  • the assembled player of FIG. 4 illustrates the exterior of the player as provided with an image or information relating to the content of the player.
  • the images maybe affixed to the player by use of attachable content sheet as discussed in FIG. 3 or the content sheet maybe obviated by directly imprinting on the player's casing the image or information provided by the "flap.”
  • other methods for placing an image or text on the exterior of the player may be used according to design preference.
  • FIG. 5 is an illustration of a back view 50 of an exemplary player, and is self-descriptive.
  • FIG. 6 is an illustration 60 of another view of an exemplary embodiment having slightly rearranged button configurations and profile. Accordingly, modifications to the arrangement and the shape, size, attributes, etc. of the player and the components therein may be contemplated without departing from the spirit and scope of this invention.
  • FIG.7 is an illustration of a content loading system 70 for loading content in a post-assembled operation.
  • Mass loading of content can be facilitated by the use of a communication bus 72 (parallel and/or serial) coupled to a content loader 74 and the "to-be-loaded" players 76. Connection to the players 76 can be accomplished by any of the methods described herein or by methods that are known in the art.
  • the content loader 74 is illustrated in FIG. 7 as a personal computer system, however, it should be appreciated that any computing or data sharing device may be used without departing from the spirit and scope of this invention. It should also be appreciated that in a mass download operation, discrimination or selection of different content to different respective players 76 can be facilitated by a multiplexing the content over the bus and designating codes or protocols that enable different players to receive different content.
  • FIG. 7 illustrates a plurality of players being loaded or programmed
  • a single player loading action can be performed as well.
  • a laptop or similarly functioning device pre-configured to operate as a content loader 74 may be used to load content into a single player 76 at a kiosk or a store.
  • the skin or content sheet may be custom made "on the spot" and affixed to the player to afford a degree of customability to the player and for the customer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

L'invention concerne un lecteur multimédia numérique autonome, portable, compact, dont le contenu en non enregistrable ou non effaçable par un utilisateur. Ce contenu est reproduit dans un format haute fidélité. L'association du contenu au lecteur multimédia offre un degré de protection du droit d'auteur important. La compacité du lecteur permet de l'associer à divers produits. Par ailleurs, le contenu peut être immédiatement lu étant donné qu'il est associé au lecteur.
EP05774805A 2004-07-23 2005-07-22 Lecteur multimedia personnel et procede associe Withdrawn EP1787468A4 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US59036404P 2004-07-23 2004-07-23
US10/975,534 US20060020968A1 (en) 2004-07-23 2004-10-29 Method for commercialization and advertising using a personal media player
US11/029,419 US7562394B2 (en) 2004-07-23 2005-01-06 Personal media player apparatus and method
PCT/US2005/026182 WO2006012572A2 (fr) 2004-07-23 2005-07-22 Lecteur multimedia personnel et procede associe

Publications (2)

Publication Number Publication Date
EP1787468A2 true EP1787468A2 (fr) 2007-05-23
EP1787468A4 EP1787468A4 (fr) 2009-09-30

Family

ID=35786750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05774805A Withdrawn EP1787468A4 (fr) 2004-07-23 2005-07-22 Lecteur multimedia personnel et procede associe

Country Status (3)

Country Link
EP (1) EP1787468A4 (fr)
CA (1) CA2574918A1 (fr)
WO (1) WO2006012572A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2896611B1 (fr) 2006-01-25 2008-12-26 Olivier Levy Baladeur numerique preenregistre

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US5929848A (en) * 1994-11-02 1999-07-27 Visible Interactive Corporation Interactive personal interpretive device and system for retrieving information about a plurality of objects
US6367019B1 (en) * 1999-03-26 2002-04-02 Liquid Audio, Inc. Copy security for portable music players
US20020112250A1 (en) * 2000-04-07 2002-08-15 Koplar Edward J. Universal methods and device for hand-held promotional opportunities
US20030016940A1 (en) * 2001-07-18 2003-01-23 Robbins Gerald V. Single use media device
US20040059927A1 (en) * 2002-09-23 2004-03-25 Chen I Ming Sealed memory IC in a MP3 or WMA player shaped like recording artist

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Publication number Priority date Publication date Assignee Title
US20020077988A1 (en) * 2000-12-19 2002-06-20 Sasaki Gary D. Distributing digital content

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Publication number Priority date Publication date Assignee Title
US5929848A (en) * 1994-11-02 1999-07-27 Visible Interactive Corporation Interactive personal interpretive device and system for retrieving information about a plurality of objects
US6367019B1 (en) * 1999-03-26 2002-04-02 Liquid Audio, Inc. Copy security for portable music players
US20020112250A1 (en) * 2000-04-07 2002-08-15 Koplar Edward J. Universal methods and device for hand-held promotional opportunities
US20030016940A1 (en) * 2001-07-18 2003-01-23 Robbins Gerald V. Single use media device
US20040059927A1 (en) * 2002-09-23 2004-03-25 Chen I Ming Sealed memory IC in a MP3 or WMA player shaped like recording artist

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Title
See also references of WO2006012572A2 *

Also Published As

Publication number Publication date
CA2574918A1 (fr) 2006-02-02
WO2006012572A3 (fr) 2009-04-02
WO2006012572A2 (fr) 2006-02-02
EP1787468A4 (fr) 2009-09-30

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