WO2000007357A1 - A digital handheld keyboard oriented device with multikey data and control input, display, wireless communication and data processing, and a camera feeding the communication - Google Patents

A digital handheld keyboard oriented device with multikey data and control input, display, wireless communication and data processing, and a camera feeding the communication Download PDF

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Publication number
WO2000007357A1
WO2000007357A1 PCT/EP1999/005037 EP9905037W WO0007357A1 WO 2000007357 A1 WO2000007357 A1 WO 2000007357A1 EP 9905037 W EP9905037 W EP 9905037W WO 0007357 A1 WO0007357 A1 WO 0007357A1
Authority
WO
WIPO (PCT)
Prior art keywords
communication
camera
data
multikey
image
Prior art date
Application number
PCT/EP1999/005037
Other languages
French (fr)
Inventor
Abdelwaheb Marzouki
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Priority to EP99938264A priority Critical patent/EP1042909A1/en
Priority to JP2000563057A priority patent/JP2002521971A/en
Publication of WO2000007357A1 publication Critical patent/WO2000007357A1/en

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
    • 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
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
    • H04N1/00307—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a mobile telephone apparatus
    • 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
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
    • H04N1/00209—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays
    • H04N1/19594—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays using a television camera or a still video camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/52—Details of telephonic subscriber devices including functional features of a camera

Definitions

  • German Offenlegungsschrift 36 13 585 Al discloses a subscriber device for use with video telephony, and in particular, its mechanical setup for optimum use in bidirectional communication. Such a device will communicate voice as well as images of object like drawings. Advancing digital technology allows for miniaturization of such and similar devices. However, the known device would not lend itself to such miniaturization through the intrinsic necessity for a bulky frame structure.
  • the primary function of the device may be an organizer that stores multiple data items that may now be accompanied by pictures, or a communication device, such as a mobile telephone that may now include a lightweight and easy- to-use facsimile apparatus.
  • a communication device such as a mobile telephone that may now include a lightweight and easy- to-use facsimile apparatus.
  • Further advantageous aspects of the invention are recited in dependent Claims.
  • the inventor has recognized that it is more useful to have the camera in the device than to need a separate fax machine or similar camera driven device.
  • the mechanism may be integrated into future devices thereby permitting real-time exchanging of information between users.
  • Internet exchange connections may profit through the use of HTML language.
  • Figure 1 shows the front cover of a mobile phone according to the invention. Since mobile phones have been in general use for some time now, the telephone functions thereof donot warrant specific disclosure herein. Both the control by a keyboard and the transfer of information may be digital. Combination of such device with a fax mechanism would conventionally require a separately housed mechanical scanner to acquire the image, and also a physical communication layer permitting to transmit the image data between the handset and a computer. In fact, a much less convenient procedure would be as follows: acquire the image by use of a scanner and storing on a computer hard disk; connecting the handset to the computer; transmitting the image by software installed on the handset.
  • housing 20 is of more or less conventional dimensions. It carries twelve conventional telephone control keys 22 and four special function keys 30. The latter keys may inter alia control switchover between telephone and fax functionalities, and set the image sensitivity level. In another environment, the keys may include alphabetic keys to enter text elements, or even a more or less complete alphanumerical keyboard.
  • antenna 24 There are further shown an antenna 24, a display screen 26 and a magnifying glass 28. The antenna allows for wireless communication over an appropriate range.
  • the camera is positioned at the rear side, cf. Figure 2, and a small image, either as capture or taken from memory is displayed on screen 26.
  • Magnifying glass 28 as terminal part of an optical channel allows an immediate view of what the camera should effectively "see”. Comparing images 26 and 28 would teach a user whether the captured image quality is sufficient to warrant further processing thereof. Another usage of the magnifying glass is to check whether the image is alright and storing the image only when a validizing key has been actuated.
  • Figure 2 shows the rear cover of a mobile phone according to the invention.
  • the Figure shows housing 20 and antenna 24, and further mini-camera 32 and the optical objective 34 of the magnifying glass 28 in Figure 1.
  • the magnifying glass may be based on the same objective as the camera, cf.
  • Figure 3 The axis direction and the focus of the camera are adjusted by an appropriate button not specifically indicated. The effective range may vary between 10-20 centimeters for small-sheet fax applications and 1-2 meters for flipovers and similar media.
  • Figure 3 is a block diagram of the data processing setup of a device according to the invention.
  • Camera 46 has been shown as a self-supporting subsystem that comprises all necessary electronics for executing the scan feature.
  • Magnifying glass 44 receives the unprocessed image for immediate user inspection.
  • Item 48 converts the analog camera signal to digitized samples.
  • Item 50 forms the interface between the DSP core and the top row of peripherals 40-46.
  • antenna 40 allows bidirectional communication between the device shown and a further station, such as a base station.
  • Screen 42 displays a digitized image of the analog scene as captured.
  • Central processing is effected by DSP core 58 that comprises various application software modules, to wit image encoder 64, channel encoder 62, and encryption and burst building 60. These three operate in succession to convert a digitized image to a data stream that is optimized for wireless transfer via antenna 40, such as according to the MPEG4 or GIF format.
  • Further system software modules are item 66 for synchronizing and monitoring, item 68 effecting the interface to the system controller, and item 70 for implementing various miscellaneous functions. Examples of such miscellaneous functions are the filtering of white noise, image segmentation and contour detection, and other image enhancement functions that by themselves donot constitute part of the invention.
  • the DSP furthermore interfaces to the general system control and data bus 52. This also interfaces to memory facility 54 that comprises RAM and ROM as shown, and finally to item 56 that symbolizes system CPU and further periphery no shown here. Actuating the validizing key produces an interrupt call to the CPU 56.
  • ROM program is thereupon activated for effecting the following functionalities: Display a selection menu that allows to activate one of the following: send a still image to an end user fax machine, send an animated image to an end user mobilile phone or computer that has an internet connection, save the still or animated image on a hard disc, such as through a connection with a computer, whilst also allowing to select image resolution and sound mixing for animated images. Sampling the twodimensional image according to choice.
  • Figure 4 is a perspective view of the device's footprint in operation.
  • the camera viewing field is delimited by an arrangement of laser lighting elements that in this case form a continuous lighted line in a rectangular shape around the field of the image that may be captured.
  • Forming a line display may be effected by elongated lighting elements.
  • Concentrating the light energy on a narrow strip can be effected by a linear lens in front of and along the elongated laser.
  • an astigmatic lens in front of a point-shaped laser may produce an elengated image of the laser in question.
  • Lowering of energy consumption may be effected by adopting an interrupted line image instead of continuous lines; for further lowering of energy consumption, the lasers are powered in a time-multiplex organization.
  • the border of the field may be indicated by a sequence of small dots, such as eight for each edge. In the extreme the dots may number only a single one for each corner, with, or without an imaging lens. Of course, other field shapes than rectangles are feasible.
  • the speech channel is not a must, so that communication could be broader: it could be expanded to image and data, or image transfer could be combined with both voice and data transfer in a single device.
  • the invention could be applied in an organizer or similar device, for which the principal function is data storage, but which may be combined with image transfer.
  • Such organizers by themselves are in wide use, for managing appointments, address files and further personal files, and for a host of items that usually are of limited size only. In such case, the image transferred may be supplemented by an appropriate item from one of the databases stored.

Abstract

A digital keyboard-oriented device has an interconnected arrangement of multikey data and control input means, a display, communication facilities, data processing elements and a camera that may be controlled to feed the said communication facilities. In particular, the device is handheld, the camera is provided with optical output elements for delimiting a short range image capturing area through one or more visual indicators, and the communication facilities are wireless.

Description

A digital handheld keyboard oriented device with multikey data and control input, display, wireless communication and data processing, and a camera feeding the communication
BACKGROUND OF THE INVENTION
The invention relates to a device as recited in the preamble of Claim 1. German Offenlegungsschrift 36 13 585 Al discloses a subscriber device for use with video telephony, and in particular, its mechanical setup for optimum use in bidirectional communication. Such a device will communicate voice as well as images of object like drawings. Advancing digital technology allows for miniaturization of such and similar devices. However, the known device would not lend itself to such miniaturization through the intrinsic necessity for a bulky frame structure. SUMMARY TO THE INVENTION In consequence, amongst other things, it is an object of the present invention to exchange the fixed and heavy structure of the known device for a flexible and easy to use arrangement for exactly indicating an exact target field to a human user, whilst keeping the user interface as friendly as possible.
Now therefore, according to one of its aspects the invention is characterized according to the characterizing part of Claim 1. The primary function of the device may be an organizer that stores multiple data items that may now be accompanied by pictures, or a communication device, such as a mobile telephone that may now include a lightweight and easy- to-use facsimile apparatus. Further advantageous aspects of the invention are recited in dependent Claims. Generally, the inventor has recognized that it is more useful to have the camera in the device than to need a separate fax machine or similar camera driven device. In particular, the mechanism may be integrated into future devices thereby permitting real-time exchanging of information between users. Finally, also Internet exchange connections may profit through the use of HTML language. BRIEF DESCRIPTION OF THE DRAWING These and further aspects and advantages of the invention will be discussed more in detail hereinafter with reference to the disclosure of preferred embodiments, and in particular with reference to the appended Figures that show:
Figure 1, the front cover of a mobile phone according to the invention; Figure 2, the rear cover of the same apparatus; Figure 3, a block diagram of a device according to the invention; Figure 4, an image of the device's footprint in operation. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS Figure 1 shows the front cover of a mobile phone according to the invention. Since mobile phones have been in general use for some time now, the telephone functions thereof donot warrant specific disclosure herein. Both the control by a keyboard and the transfer of information may be digital. Combination of such device with a fax mechanism would conventionally require a separately housed mechanical scanner to acquire the image, and also a physical communication layer permitting to transmit the image data between the handset and a computer. In fact, a much less convenient procedure would be as follows: acquire the image by use of a scanner and storing on a computer hard disk; connecting the handset to the computer; transmitting the image by software installed on the handset.
It would be clear that such is a complex procedure. The present invention obviates the need for these complications. In Figure 1, housing 20 is of more or less conventional dimensions. It carries twelve conventional telephone control keys 22 and four special function keys 30. The latter keys may inter alia control switchover between telephone and fax functionalities, and set the image sensitivity level. In another environment, the keys may include alphabetic keys to enter text elements, or even a more or less complete alphanumerical keyboard. There are further shown an antenna 24, a display screen 26 and a magnifying glass 28. The antenna allows for wireless communication over an appropriate range. The camera is positioned at the rear side, cf. Figure 2, and a small image, either as capture or taken from memory is displayed on screen 26. Magnifying glass 28 as terminal part of an optical channel allows an immediate view of what the camera should effectively "see". Comparing images 26 and 28 would teach a user whether the captured image quality is sufficient to warrant further processing thereof. Another usage of the magnifying glass is to check whether the image is alright and storing the image only when a validizing key has been actuated.
Figure 2 shows the rear cover of a mobile phone according to the invention. The Figure shows housing 20 and antenna 24, and further mini-camera 32 and the optical objective 34 of the magnifying glass 28 in Figure 1. Alternatively, the magnifying glass may be based on the same objective as the camera, cf. Figure 3. The axis direction and the focus of the camera are adjusted by an appropriate button not specifically indicated. The effective range may vary between 10-20 centimeters for small-sheet fax applications and 1-2 meters for flipovers and similar media. Figure 3 is a block diagram of the data processing setup of a device according to the invention. Camera 46 has been shown as a self-supporting subsystem that comprises all necessary electronics for executing the scan feature. Magnifying glass 44 receives the unprocessed image for immediate user inspection. Item 48 converts the analog camera signal to digitized samples. Item 50 forms the interface between the DSP core and the top row of peripherals 40-46. Of these, antenna 40 allows bidirectional communication between the device shown and a further station, such as a base station. Screen 42 displays a digitized image of the analog scene as captured. Central processing is effected by DSP core 58 that comprises various application software modules, to wit image encoder 64, channel encoder 62, and encryption and burst building 60. These three operate in succession to convert a digitized image to a data stream that is optimized for wireless transfer via antenna 40, such as according to the MPEG4 or GIF format. Further system software modules are item 66 for synchronizing and monitoring, item 68 effecting the interface to the system controller, and item 70 for implementing various miscellaneous functions. Examples of such miscellaneous functions are the filtering of white noise, image segmentation and contour detection, and other image enhancement functions that by themselves donot constitute part of the invention. The DSP furthermore interfaces to the general system control and data bus 52. This also interfaces to memory facility 54 that comprises RAM and ROM as shown, and finally to item 56 that symbolizes system CPU and further periphery no shown here. Actuating the validizing key produces an interrupt call to the CPU 56. A resident
ROM program is thereupon activated for effecting the following functionalities: Display a selection menu that allows to activate one of the following: send a still image to an end user fax machine, send an animated image to an end user mobilile phone or computer that has an internet connection, save the still or animated image on a hard disc, such as through a connection with a computer, whilst also allowing to select image resolution and sound mixing for animated images. Sampling the twodimensional image according to choice.
In each case, the image is displayed on the screen, whose size as indicated may or may not be larger than the magnifying glass. Figure 4 is a perspective view of the device's footprint in operation. The camera viewing field is delimited by an arrangement of laser lighting elements that in this case form a continuous lighted line in a rectangular shape around the field of the image that may be captured. Forming a line display may be effected by elongated lighting elements. Concentrating the light energy on a narrow strip can be effected by a linear lens in front of and along the elongated laser. Alternatively, an astigmatic lens in front of a point-shaped laser may produce an elengated image of the laser in question. Lowering of energy consumption may be effected by adopting an interrupted line image instead of continuous lines; for further lowering of energy consumption, the lasers are powered in a time-multiplex organization. Alternatively, the border of the field may be indicated by a sequence of small dots, such as eight for each edge. In the extreme the dots may number only a single one for each corner, with, or without an imaging lens. Of course, other field shapes than rectangles are feasible.
Now, although the above has been detailed in particular with respect to application in a mobile telephony device, various alternative usages would be feasible. In the first place, the speech channel is not a must, so that communication could be broader: it could be expanded to image and data, or image transfer could be combined with both voice and data transfer in a single device. Further, the invention could be applied in an organizer or similar device, for which the principal function is data storage, but which may be combined with image transfer. Such organizers by themselves are in wide use, for managing appointments, address files and further personal files, and for a host of items that usually are of limited size only. In such case, the image transferred may be supplemented by an appropriate item from one of the databases stored.

Claims

CLAIMS:
1. A digital keyboard-oriented device comprising an interconnected arrangement of multikey data and control input means, display means, communication means, data processing means, and camera means switchable to feed said communication means, characterized in that said device is handheld, said camera means are provided with optical output means for delimiting a short range image capturing area through one or more visual indicators, and said communication means are wireless.
2. A device as claimed in Claim 1 and having the primary function of an organizer.
3. A device as claimed in Claim 1, and having the primary function of a communication device.
4. A device as claimed in Claim 3, and having the primary function of a mobile telephone.
5. A device as claimed in Claim 1, wherein said communication means are arranged for effecting a facsimile transfer.
6. A device as claimed in Claim 1, wherein said visual indicators comprise a line pattern.
7. A device as claimed in Claim 1, wherein said visual indicators comprise a dot pattern.
8. A device as claimed in Claim 1, and having said camera means at an opposite side with respect to its principal multikey means.
PCT/EP1999/005037 1998-07-28 1999-07-14 A digital handheld keyboard oriented device with multikey data and control input, display, wireless communication and data processing, and a camera feeding the communication WO2000007357A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP99938264A EP1042909A1 (en) 1998-07-28 1999-07-14 A digital handheld keyboard oriented device with multikey data and control input, display, wireless communication and data processing and a camera feeding the communication
JP2000563057A JP2002521971A (en) 1998-07-28 1999-07-14 Digital handheld keyboard-oriented device with camera providing multiple key data and control inputs, display, wireless communication and data processing, and communication

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98401928 1998-07-28
EP98401928.1 1998-07-28

Publications (1)

Publication Number Publication Date
WO2000007357A1 true WO2000007357A1 (en) 2000-02-10

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EP (1) EP1042909A1 (en)
JP (1) JP2002521971A (en)
KR (1) KR100603817B1 (en)
CN (1) CN1140989C (en)
TW (1) TW520593B (en)
WO (1) WO2000007357A1 (en)

Cited By (12)

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Publication number Priority date Publication date Assignee Title
WO2003024090A1 (en) * 2001-09-07 2003-03-20 Koninklijke Philips Electronics N.V. Image device having camera and image perspective correction and possibly rotation and staggering correction
US6812717B2 (en) 2001-03-05 2004-11-02 Boxer Cross, Inc Use of a coefficient of a power curve to evaluate a semiconductor wafer
US6940592B2 (en) 2001-10-09 2005-09-06 Applied Materials, Inc. Calibration as well as measurement on the same workpiece during fabrication
US6958814B2 (en) 2002-03-01 2005-10-25 Applied Materials, Inc. Apparatus and method for measuring a property of a layer in a multilayered structure
US6963393B2 (en) 2002-09-23 2005-11-08 Applied Materials, Inc. Measurement of lateral diffusion of diffused layers
US6977643B2 (en) 2002-01-10 2005-12-20 International Business Machines Corporation System and method implementing non-physical pointers for computer devices
US7038716B2 (en) 1999-07-30 2006-05-02 Pixim, Inc. Mobile device equipped with digital image sensor
US7071924B2 (en) 2002-01-10 2006-07-04 International Business Machines Corporation User input method and apparatus for handheld computers
US7228124B2 (en) 2001-12-31 2007-06-05 Nokia Corporation Method and device for speeding up and simplifying information transfer between electronic devices
WO2011139928A2 (en) 2010-05-03 2011-11-10 Microsoft Corporation Image capture
EP2747413A1 (en) * 2012-12-21 2014-06-25 Technologies HumanWare Inc. Handheld magnification device with a two-camera module
US8767770B2 (en) 2003-08-18 2014-07-01 Nokia Corporation Selecting a data transfer method

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US7492602B2 (en) * 2006-07-14 2009-02-17 Lg Electronics Inc. Mobile terminal
CN105282371A (en) * 2013-04-25 2016-01-27 胡妍 Photographing-type miniature scanner

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Cited By (17)

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Publication number Priority date Publication date Assignee Title
US7038716B2 (en) 1999-07-30 2006-05-02 Pixim, Inc. Mobile device equipped with digital image sensor
US6812717B2 (en) 2001-03-05 2004-11-02 Boxer Cross, Inc Use of a coefficient of a power curve to evaluate a semiconductor wafer
US7130055B2 (en) 2001-03-05 2006-10-31 Applied Materials, Inc. Use of coefficient of a power curve to evaluate a semiconductor wafer
WO2003024090A1 (en) * 2001-09-07 2003-03-20 Koninklijke Philips Electronics N.V. Image device having camera and image perspective correction and possibly rotation and staggering correction
US6940592B2 (en) 2001-10-09 2005-09-06 Applied Materials, Inc. Calibration as well as measurement on the same workpiece during fabrication
USRE45982E1 (en) 2001-12-31 2016-04-19 Nokia Technologies Oy Method and device for speeding up and simplifying information transfer between electronic devices
US7228124B2 (en) 2001-12-31 2007-06-05 Nokia Corporation Method and device for speeding up and simplifying information transfer between electronic devices
US6977643B2 (en) 2002-01-10 2005-12-20 International Business Machines Corporation System and method implementing non-physical pointers for computer devices
US7071924B2 (en) 2002-01-10 2006-07-04 International Business Machines Corporation User input method and apparatus for handheld computers
US6958814B2 (en) 2002-03-01 2005-10-25 Applied Materials, Inc. Apparatus and method for measuring a property of a layer in a multilayered structure
US7141440B2 (en) 2002-03-01 2006-11-28 Applied Materials, Inc. Apparatus and method for measuring a property of a layer in a multilayered structure
US6963393B2 (en) 2002-09-23 2005-11-08 Applied Materials, Inc. Measurement of lateral diffusion of diffused layers
US8767770B2 (en) 2003-08-18 2014-07-01 Nokia Corporation Selecting a data transfer method
WO2011139928A2 (en) 2010-05-03 2011-11-10 Microsoft Corporation Image capture
EP2567534A4 (en) * 2010-05-03 2017-01-11 Microsoft Technology Licensing, LLC Image capture
EP2747413A1 (en) * 2012-12-21 2014-06-25 Technologies HumanWare Inc. Handheld magnification device with a two-camera module
US8913138B2 (en) 2012-12-21 2014-12-16 Technologies Humanware Inc. Handheld magnification device with a two-camera module

Also Published As

Publication number Publication date
TW520593B (en) 2003-02-11
CN1140989C (en) 2004-03-03
KR20010030711A (en) 2001-04-16
KR100603817B1 (en) 2006-07-24
CN1274502A (en) 2000-11-22
JP2002521971A (en) 2002-07-16
EP1042909A1 (en) 2000-10-11

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