WO2002007476A2 - Apparatus and methods for sound reproduction and recording - Google Patents
Apparatus and methods for sound reproduction and recording Download PDFInfo
- Publication number
- WO2002007476A2 WO2002007476A2 PCT/US2001/022086 US0122086W WO0207476A2 WO 2002007476 A2 WO2002007476 A2 WO 2002007476A2 US 0122086 W US0122086 W US 0122086W WO 0207476 A2 WO0207476 A2 WO 0207476A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- headset
- hat
- hatset
- user
- transducer
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B1/00—Hats; Caps; Hoods
- A42B1/24—Hats; Caps; Hoods with means for attaching articles thereto, e.g. memorandum tablets or mirrors
- A42B1/245—Means for mounting audio or communication systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
- H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
- H04R1/086—Protective screens, e.g. all weather or wind screens
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/105—Earpiece supports, e.g. ear hooks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
- H04R2201/107—Monophonic and stereophonic headphones with microphone for two-way hands free communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
- H04R5/0335—Earpiece support, e.g. headbands or neckrests
Definitions
- the present invention relates generally to apparatus and methods for transforming electrical reproductions of sound into audible sound itself or vice versa. More particularly, the field of the invention relates to headsets, which typically comp ⁇ se a combination of speakers and a microphone configured to be placed on a user's head in such a manner that the speakers are in close proximity to the user's ears and the microphone is in close proximity to the user's mouth.
- headsets typically comp ⁇ se a combination of speakers and a microphone configured to be placed on a user's head in such a manner that the speakers are in close proximity to the user's ears and the microphone is in close proximity to the user's mouth.
- Headsets are useful in a variety of applications. They generally comprise one or more speakers and a microphone in a configuration wearable on the head.
- speaker and microphone combinations are used in many kinds of communication systems.
- the communication system may be from one person to another, such as by telephone, radio, or intercom.
- the communication may be between a person and a computer system, with the computer system using speech recognition and text-to-speech or playback of pre-recorded speech for its user interface.
- a user of one of these systems speaks into the microphone and listens to the sound that comes out of the speaker(s). Mounting these elements together on a headset allows the user's hands to stay free for other tasks. It also allows the user to talk and listen naturally, as if the other party was located within speaking distance.
- headsets have to attach to the head of the user and distribute their weight in some way. Some have a band that clamps over the head. One or both ends of this band may be connected to a speaker covering the ear, exerting pressure on the ear. Other headsets rest on the external part of the ear like eyeglasses. Still others are pushed inside the ear. During extended wear, all of these headsets become uncomfortable. Furthermore, if the environment is warm or the headset user is engaged in manual labor, the user may sweat into the headset, discouraging or preventing sharing of the device among different users. Also, no one would want to share a headset with someone else who was ill. [0005] People frequently wear hats or other head apparel all day long without any comfort problems.
- Each of these embodiments provides the benefit of making the headset somewhat more comfortable, given the comfort issues of the original headsets. But none provide hygienic separation of the user from the headset elements. Nor do they provide rapid separation of the hat or head apparel from the headset elements for sharing of the headset among multiple users.
- Existing headsets sometimes allow adjustments in several dimensions to permit use with many head sizes and shapes. But there is enough variation in the size, shape, and position of ears and mouths that many people must wear headsets in a poorly adjusted manner.
- the speaker may not fit correctly over the ear, or may compress part of the ear.
- the microphone may not reach the mouth, or may go too far beyond the mouth for good input. Any poor adjustment will make the user less comfortable, and will also degrade the fidelity of the headset. Any poor adjustment will become more uncomfortable over time.
- the present invention is directed to a combination hat and headset, termed a "hatset,” for improved comfort, hygiene, and microphone positioning.
- the hat part of the hatset is worn like any other hat, is adjustable to fit essentially any size adult human head, supports the weight of the headset part, distributes the weight of the headset part over the contact area of the hat part with the user, is securely attachable to the headset part, is easily and rapidly separable from the headset part, and hygienically isolates the user from the headset part.
- the headset part of the hatset is adjustable to fit essentially any size adult human head, and has a microphone boom that can be moved from its adjusted position to a temporary not in use position and then rapidly and accurately returned to its adjusted in use position.
- Another object of the present invention is to provide a headset that a user can wear like a hat, with the headset part supported by the hat part and the hat part supported by the user.
- a further object of the present invention is to provide a headset that uses the hat part to keep the user separate from the headset part.
- Yet another object of the present invention is to provide a headset that may be adjusted to fit properly on a greater variety of adult human head sizes and shapes, and ear and mouth sizes and positions.
- Still another object of the present invention is to provide a headset with a microphone boom that can be adjusted for a user, then moved out of the way, then rapidly and accurately restored to its previously adjusted in-use position.
- FIG. 1 is a perspective view of the hatset of this invention, showing one possible combination of hat and headset.
- FIG. 2 is a side view of the hatset of this invention.
- FIG. 3 is a front view of the hatset of this invention.
- FIG. 4 is an exploded view of the hatset of this invention.
- FIG. 5 shows the hat and headset connection of the hatset of this invention.
- FIG. 6 shows the earpiece and the earpiece adjustments of the hatset of this invention.
- FIG. 7 shows the microphone boom and the microphone boom adjustments of the hatset of this invention.
- FIG. 8 shows an alternative use of the headset part of the hatset of this invention, without the hat. Best Mode for Carrying Out the Invention:
- FIG. 1 , FIG. 2, and FIG. 3 show a preferred embodiment of the complete hatset 10 in accordance with the present invention.
- FIG. 1 shows an overall perspective view of the complete hatset 100.
- the hatset 100 is comprised of the hat 101 , the hat insert assembly 102, and the headset 103.
- the headset 103 is comprised of the earpiece support assembly 104, the earpiece assembly 105, and the microphone boom assembly 106.
- the wind screen 108 covers the microphone 107. Both parts are attached to the end of the microphone boom assembly 106.
- FIG. 2 shows a side view of the hatset 200 of FIG. 1.
- the hatset 200 is comprised of the hat 201, the hat insert assembly 202 and the headset 205.
- the headset 205 is comprised of the earpiece support assembly 204, the earpiece assembly 209 and the microphone boom assembly 206.
- the wind screen and microphone 207 are attached to the end of the microphone boom assembly 206.
- the microphone boom assembly rotates about pivot 208 relative to the other parts of the hatset 200.
- FIG. 3 shows a front view of the hatset 300 of FIG. 1.
- the hatset 300 is comprised of the hat 301, the hat insert assembly 302 and the headset 307.
- the headset 307 is comprised of the earpiece support assembly 313, the earpiece assembly 312 and the microphone boom assembly 308.
- the wind screen and microphone 311 are attached to the end of the microphone boom assembly 308.
- the top portion 303 of the earpiece support assembly 313 slides into the earpiece support guide 304, thereby attaching the earpiece support assembly 313 to the hat insert assembly 302.
- the earpiece support assembly 313 includes the earpiece support arm 310 which houses buttons 305, 306 which are located on the external side of the earpiece support arm 310.
- the microphone boom assembly 310 rotates about pivot 309.
- FIG. 4 is an exploded view of the hatset 400 of the previous figures, displaying how the hatset 400 is assembled.
- the hat 401 is securely attached to the hat insert assembly 402.
- the hat insert band 402 may be inserted into a hat sleeve 403 in the hat 401.
- the hat 401 is attached to the hat insert band 402 with hat loops (not shown).
- the hat sleeve may be in the interior or exterior of the hat 401.
- the earpiece support guide 404 is attached to the hat insert band 402. [0035]
- the earpiece support assembly 405 slides into the earpiece support guide 404, thereby attaching the earpiece support assembly 405 to the hat insert assembly 406.
- the earpiece support assembly 405 is comprised of the earpiece support arm 407 which houses two buttons 408, 409. Buttons 408, 409 are located on the external side of the earpiece support arm 407.
- the button printed circuit board (PCB) assembly 410 implements the electrical requirements for the buttons.
- the button PCB assembly 410 is located in the earpiece support arm 407, attached by means of the button PCB assembly screws 411.
- the earpiece assembly 412 attaches to the earpiece support assembly 405 by components comprising a retaining ring 415 and an inner earpiece screw 416.
- the earpiece support arm 407 is attached to the upper microphone boom 425 by pivot 413.
- Both upper microphone boom 425 and support arm 407 are fitted with circular ratchets 413, which control pivotal movement of upper microphone boom 425 by permitting rotation in discrete increments dictated by the spacing of the teeth on the ratchets. This, for example, permits the microphone boom assembly 424 to be moved away from a particular position in front of a user's mouth and then returned precisely to original its position in front of the user's mouth. This feature is important, for example, in speech recognition applications.
- the microphone boom assembly 424 attaches to the earpiece support assembly 405 at the same place as the earpiece assembly 412, by means of the earpiece coupling 413.
- the microphone boom assembly 424 is comprised of the upper microphone boom 425, and lower microphone boom 426, the end boom 427, the microphone 428, and the microphone wind screen 429.
- the inner earpiece screw 416 attaches the earpiece housing 417 to the earpiece support assembly 405. Attached to the earpiece housing 417 are the isolation foam 418, the speaker 419, and the speaker grill 420, all secured by means of the speaker grill screws 421.
- the inner comfort pad 422 attaches to the speaker grill 420.
- FIG. 5 displays the means by which the hatset 500 is attached to the hat insert assembly 502, and thereby to the headset 503.
- the hat loops 504 or the hat sleeve 505 are secured to the hat 501 , and define a specific position for the hat insert band 506 to be attached to the hat 501.
- the hat insert band 506 and the hat 501 then move together as a unit.
- the weight of the hatset 500 apart from the hat 501 rests on the hat 501.
- the hat insert assembly 502 forms a boundary between the hat 501 and the headset 503.
- the hat 501 may be separated from the headset 503 either by separating the hat 501 from the hat insert assembly 502, or by separating the hat insert assembly 502 from the headset 503.
- the hat 501 is separated from the hat insert assembly 502 by detaching the hat insert band 506 from the hat 501.
- the headset 503 is separated from the hat insert assembly 502 by removing the earpiece support arm 507 from the earpiece support guide 508. Furthermore, separating the earpiece support guide 508 from the hat insert band 506 may separate the hat 501 from the headset 503.
- Hygienic isolation of the user from the headset 503 is accomplished by means of the hat 501 , and also the inner comfort pad 509, the outer comfort pad 510, and the microphone wind screen 511.
- the hat 501, the inner comfort pad 509, the outer comfort pad 510, and the microphone wind screen 511 are meant to be user specific and are not to be shared among multiple users, even when the headset 503 is shared among multiple users.
- FIG. 6 displays the adjustments available for the earpiece assembly 600 for positioning the speaker 601 correctly over the user's ear. These adjustments take place at the earpiece support guide 602.
- the earpiece support arm 604 may be adjusted along bi-directional arrow 607, sliding in or out of the earpiece support guide 602, to change the distance from the earpiece support guide 602 to the end of the earpiece support arm 604.
- the earpiece support guide 602 may be rotated along bidirectional arrow 605 to adjust the angle the earpiece support arm 604 makes with a vertical line through the ear in the approximate plane of the side of the face.
- the earpiece support guide 602 may be rotated along bidirectional arrow 603.
- the earpiece housing 606 is designed to be large enough to fit over essentially any human adult external ear.
- the extent of the adjustment motions along bi-directional arrows 607, 605, and 603 are designed to be large enough to place the earpiece assembly 600 over essentially any human adult external ear position.
- FIG. 7 displays the adjustments available for the microphone boom assembly 700 for positioning the microphone 701 correctly in place by the user's mouth.
- the microphone boom assembly 700 may be adjusted along any of the bidirectional arrows 702, 703, 704, 705 and 706.
- the microphone 701 is typically a directional microphone for use with a speech recognition system. This requires that the microphone 701 be adjusted not only for position, but also for orientation, so that speech from the mouth is directed toward the input direction of the microphone 701 , typically by orienting the speech direction to be perpendicular to the plane of the microphone 701.
- the five adjustments along the bi-directional arrows 702,703,704,705 and 706 are used to position the microphone 701 and orient the microphone 701 for best directional sensitivity to the input speech from the user.
- the extent of the adjustments along bi-directional arrows 702,703,704,705 and 706 are designed to be large enough to place the microphone 701 correctly in front of any human adult mouth.
- FIG. 7 also shows how the microphone boom assembly 700 may be temporarily removed from the speaking position and then rapidly restored to the correct speaking position. Adjustments along the bi-directional arrow 702 move the microphone 701 away from the user's mouth without changing the other adjustments along bi-directional arrows 703,704,705 and 706. There are circular ratchets at the junction between the earpiece support arm 707 and the microphone upper boom 708, which define the adjustment positions along bi-directional arrow 702. If the microphone boom assembly 700 is moved along bi-directional arrow 702 to a vertical position, the microphone boom assembly 700 will be completely clear of the mouth. To return the microphone boom assembly 700 to its correct in-use position, the microphone boom assembly is rotated back along bi-directional arrow 702 toward the mouth. Once the microphone boom assembly 700 is near the original adjusted position, a detent will guide the microphone boom assembly 700 back into the exact original position.
- adjustments along the bi-directional arrow 703 move the microphone 701 away from the user's mouth without changing the other adjustments along bidirectional arrows 702, 704, 705 and 706.
- An adjustment along bi-directional arrow 702 is also used to switch the headset 710 from right-handed (over the right ear) to left-handed (over the left ear).
- the microphone boom assembly 700 is moved along bi-directional arrow 702 from the right side of the earpiece assembly 710 to the left side of the earpiece assembly 710.
- the earpiece support guide 716 is removed from the right side of the hat insert band 712 and reattached to the left side of the hat insert band 712.
- the hatset is in position to be used in a left-handed manner (over the left ear).
- FIG. 7 shows how the buttons, button 713 and button 714, on the earpiece support 715 are easily distinguished.
- the hatset has two buttons, button 713 and button 714.
- the buttons are positioned above and below each other on the earpiece support arm 715 with a ridge in between them so that they may be easily distinguished. They are designed to be big enough to be found on the earpiece support arm 715 by a user, even if the user is wearing thick gloves.
- Button 713 is the first button found by tracing down the earpiece support arm 715 from the top, where the earpiece support arm 715 attaches to the earpiece support guide 716.
- the earpiece support arm 715 is the first button found by tracing up the earpiece support arm 715 from the bottom, where the earpiece support arm 715 attaches to the earpiece assembly 710 and the microphone boom assembly 700.
- buttons, button 713 and button 714 are electric push buttons that may be used to send a signal to the system using the hatset.
- a speech recognition system may use a button press as a signal to start or stop listening, or to transition from an active mode to a standby mode.
- a telephone system may use a button press to indicate the termination (hang up) of a call.
- FIG. 8 shows an alternative embodiment of the hatset 800 without the hat 801, using the hat insert band 802 for support of the remaining hatset 800.
- the hat insert band 802 may be separated from the hat 801 and used to mount the remaining hatset 800 on the user's head.
- the hat insert band 802 is positioned over the head in this case.
- the hat insert band 802 is not kept hygienically separate from the user.
- the earpiece support guide 803 and the rest of the headset 804 are kept hygienically separate from the user, except for the inner comfort pad 805, the outer comfort pad 806, and the microphone wind screen 807, as usual.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001276904A AU2001276904A1 (en) | 2000-07-14 | 2001-07-14 | Apparatus and methods for sound reproduction and recording |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21842700P | 2000-07-14 | 2000-07-14 | |
US60/218,427 | 2000-07-14 | ||
US24931000P | 2000-11-16 | 2000-11-16 | |
US60/249,310 | 2000-11-16 | ||
US09/853,148 | 2001-05-09 | ||
US09/853,148 US20020131616A1 (en) | 2000-11-16 | 2001-05-09 | Apparatus and methods for sound reproduction and recording |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002007476A2 true WO2002007476A2 (en) | 2002-01-24 |
WO2002007476A3 WO2002007476A3 (en) | 2003-08-21 |
Family
ID=27396544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/022086 WO2002007476A2 (en) | 2000-07-14 | 2001-07-14 | Apparatus and methods for sound reproduction and recording |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2001276904A1 (en) |
WO (1) | WO2002007476A2 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004095876A2 (en) * | 2003-04-24 | 2004-11-04 | Niklas Danielsson | A microphone/ear-headphone unit and a computer system |
WO2006006910A1 (en) * | 2004-07-12 | 2006-01-19 | Niklas Danielson | An ear headphone unit and a computer system |
WO2006058956A1 (en) * | 2004-12-02 | 2006-06-08 | Savox Communications Oy Ab (Ltd) | Instant clamp for speech devices |
WO2010015030A1 (en) * | 2008-08-08 | 2010-02-11 | Softwear Pty Ltd | Headband headphones |
CN107259688A (en) * | 2017-08-22 | 2017-10-20 | 魏超军 | A kind of construction multifunctional safety helmet |
EP3457399A4 (en) * | 2016-05-13 | 2019-10-16 | Sony Corporation | Information processing device, information processing method, and program |
WO2021196251A1 (en) * | 2020-03-31 | 2021-10-07 | 声电电子科技(惠州)有限公司 | Headset boom microphone multi-angle rotating structure |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4189788A (en) * | 1978-03-17 | 1980-02-26 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt | Headset |
EP0062163A1 (en) * | 1981-04-01 | 1982-10-13 | Heinrich Andreas Peiker | Microtelephone set to be carried by a safety helmet |
US4833726A (en) * | 1986-03-07 | 1989-05-23 | Ngk Insulators, Ltd. | Helmet with two-way radio communication faculty |
WO1995018490A1 (en) * | 1993-12-30 | 1995-07-06 | Robert Preston Jackson, Iii | Communications device |
US5438702A (en) * | 1993-12-28 | 1995-08-01 | Jackson; Reed B. | Bicycle helmet communication device |
US5469505A (en) * | 1992-07-08 | 1995-11-21 | Acs Wireless, Inc. | Communications headset having a ball joint-mounted receiver assembly |
-
2001
- 2001-07-14 AU AU2001276904A patent/AU2001276904A1/en not_active Abandoned
- 2001-07-14 WO PCT/US2001/022086 patent/WO2002007476A2/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4189788A (en) * | 1978-03-17 | 1980-02-26 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt | Headset |
EP0062163A1 (en) * | 1981-04-01 | 1982-10-13 | Heinrich Andreas Peiker | Microtelephone set to be carried by a safety helmet |
US4833726A (en) * | 1986-03-07 | 1989-05-23 | Ngk Insulators, Ltd. | Helmet with two-way radio communication faculty |
US5469505A (en) * | 1992-07-08 | 1995-11-21 | Acs Wireless, Inc. | Communications headset having a ball joint-mounted receiver assembly |
US5438702A (en) * | 1993-12-28 | 1995-08-01 | Jackson; Reed B. | Bicycle helmet communication device |
WO1995018490A1 (en) * | 1993-12-30 | 1995-07-06 | Robert Preston Jackson, Iii | Communications device |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004095876A2 (en) * | 2003-04-24 | 2004-11-04 | Niklas Danielsson | A microphone/ear-headphone unit and a computer system |
WO2004095876A3 (en) * | 2003-04-24 | 2005-01-06 | Niklas Danielsson | A microphone/ear-headphone unit and a computer system |
WO2006006910A1 (en) * | 2004-07-12 | 2006-01-19 | Niklas Danielson | An ear headphone unit and a computer system |
WO2006058956A1 (en) * | 2004-12-02 | 2006-06-08 | Savox Communications Oy Ab (Ltd) | Instant clamp for speech devices |
WO2010015030A1 (en) * | 2008-08-08 | 2010-02-11 | Softwear Pty Ltd | Headband headphones |
EP3457399A4 (en) * | 2016-05-13 | 2019-10-16 | Sony Corporation | Information processing device, information processing method, and program |
CN107259688A (en) * | 2017-08-22 | 2017-10-20 | 魏超军 | A kind of construction multifunctional safety helmet |
CN107259688B (en) * | 2017-08-22 | 2020-07-21 | 浙江雅迪世纪汽车内饰件有限公司 | Multifunctional safety helmet for building construction |
WO2021196251A1 (en) * | 2020-03-31 | 2021-10-07 | 声电电子科技(惠州)有限公司 | Headset boom microphone multi-angle rotating structure |
Also Published As
Publication number | Publication date |
---|---|
WO2002007476A3 (en) | 2003-08-21 |
AU2001276904A1 (en) | 2002-01-30 |
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