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US5978020A Expired / Lapsed US ⏱️ 0.0 years remaining

Image pickup system adaptable to computer processing power and/or display

Assignee: Canon Inc
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Filing: 1996-07-19
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Granted: 1999-11-02
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Expires: 2016-07-19
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Abstract

Abstract In an image pickup system, an image pickup unit is connected to a computer which has a display device. In order to make a display by matching the characteristic of the image pickup unit with that of the display device, the image pickup unit is provided with a control part which is arranged to measure a signal processing speed of the computer, to compare the signal processing speed with an image pickup speed or a picked-up image data output speed of the image pickup unit and to vary an image pickup action or a picked-up image data output action of the image pickup unit according to a result of the comparison or according to an operation performed by an operator of the image pickup system.

Inventors

  • 👤 Gaku Watanabe
  • 👤 Kenichi Kondo
  • 👤 Nobuo Fukushima
  • 👤 Masayoshi Sekine
  • 👤 Koichi Sono
  • 👤 Motohiro Ishikawa
  • 👤 Yuji Koide

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 17:33
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00127; H04N1/00204; H04N1/00236; H04N1/00241; G; G06; G06F; G06F3/00; G06F3/002; G06F3/005; H04N23/00; H04N23/60; H04N23/63; H04N2201/00; H04N2201/0008; H04N2201/0034

Claims Analysis

Total Claims: 81
Claim 1
Independent Claim 171 words
An image pickup system composed of an image pickup unit which has a connection terminal for connection with an external apparatus and which is arranged to pick up an image to output picked-up image data from the connection terminal and at least one external apparatus which is connected to said image pickup unit, said image pickup unit comprising: data exchange means for exchanging data with said external apparatus connected; processing-speed detection means for measuring or predicting a processing speed of said external apparatus connected; speed comparison means for making a comparison between the processing speed of said external apparatus detected by said processing-speed detection means and an image pickup speed or a picked-up image data output speed of said image pickup unit; and varying control means for varying an image pickup action or a picked-up image data output action of said image pickup unit according to a result of the comparison made by said speed comparison means or according to an operation performed by an operator of said image pickup system.
Claim 2
Dependent Claim 171 words
An image pickup system composed of an image pickup unit which has a connection terminal for connection with an external apparatus and which is arranged to pick up an image to output picked-up image data from the connection terminal and at least one external apparatus which is connected to said image pickup unit, said image pickup unit comprising: data exchange means for exchanging data with said external apparatus connected; processing-speed detection means for measuring or predicting a processing speed of said external apparatus connected; speed comparison means for making a comparison between the processing speed of said external apparatus detected by said processing-speed detection means and an image pickup speed or a picked-up image data output speed of said image pickup unit; and varying control means for varying an image pickup action or a picked-up image data output action of said image pickup unit according to a result of the comparison made by said speed comparison means or according to an operation performed by an operator of said image pickup system.
Claim 3
Dependent Claim 44 words
A system according to claim 1, further comprising informing means for informing one of or all of the operator of said image pickup system, said external apparatus and said image pickup unit of the result of the comparison made by said speed comparison means.
Claim 4
Dependent Claim 69 words
A system according to claim 2, further comprising Dm detection means for measuring or predicting a maximum amount Dm of picked-up image data transferable per unit time to said external apparatus connected, and data amount comparison means for making a comparison between the detected maximum amount Dm of picked-up image data and an amount Sp of picked-up image data being outputted per unit time by said image pickup unit.
Claim 5
Dependent Claim 61 words
A system according to claim 2, further comprising operation clock detecting means for measuring or predicting an operation clock speed of said external apparatus, and wherein said speed comparison means is arranged to compare the image pickup speed of said image pickup unit with the operation clock speed of said external apparatus measured or predicted by said operation clock detection means.
Claim 6
Dependent Claim 37 words
A system according to claim 2, wherein, when said image pickup unit obtains a plurality of pixel data, said varying control means selects and outputs at least one pixel data from among the plurality of pixel data.
Claim 7
Dependent Claim 33 words
A system according to claim 2, wherein said varying control means is arranged to vary the number of frames of images to be picked up per unit time by said image pickup unit.
Claim 8
Dependent Claim 51 words
A system according to claim 2, wherein said varying control means is arranged to select and output picked-up image data for at least one picture from among picked-up image data for a plurality of pictures being sent out at intervals of a predetermined length of time from said image pickup unit.
Claim 9
Dependent Claim 49 words
A system according to claim 2, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plurality of pixel rows, said varying control means selects and outputs picked-up image data for a fewer number of pixel rows than the plurality of pixel rows.
Claim 10
Dependent Claim 46 words
A system according to claim 2, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control means selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 11
Dependent Claim 37 words
A system according to claim 2, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 12
Dependent Claim 69 words
A system according to claim 1, further comprising Dm detection means for measuring or predicting a maximum amount Dm of picked-up image data transferable per unit time to said external apparatus connected, and data amount comparison means for making a comparison between the detected maximum amount Dm of picked-up image data and an amount Sp of picked-up image data being outputted per unit time by said image pickup unit.
Claim 13
Dependent Claim 61 words
A system according to claim 11, further comprising operation clock detecting means for measuring or predicting an operation clock speed of said external apparatus, and wherein said speed comparison means is arranged to compare the image pickup speed of said image pickup unit with the operation clock speed of said external apparatus measured or predicted by said operation clock detection means.
Claim 14
Dependent Claim 37 words
A system according to claim 11, wherein, when said image pickup unit obtains a plurality of pixel data, said varying control means selects and outputs at least one pixel data from among the plurality of pixel data.
Claim 15
Dependent Claim 33 words
A system according to claim 11, wherein said varying control means is arranged to vary the number of frames of images to be picked up per unit time by said image pickup unit.
Claim 16
Dependent Claim 51 words
A system according to claim 11, wherein said varying control means is arranged to select and output picked-up image data for at least one picture from among picked-up image data for a plurality of pictures being sent out at intervals of a predetermined length of time from said image pickup unit.
Claim 17
Dependent Claim 49 words
A system according to claim 11, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plurality of pixel rows, said varying control means selects and outputs picked-up image data for a fewer number of pixel rows than the plurality of pixel rows.
Claim 18
Dependent Claim 46 words
A system according to claim 11, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control means selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 19
Dependent Claim 37 words
A system according to claim 11, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 20
Dependent Claim 61 words
A system according to claim 1, further comprising operation clock detecting means for measuring or predicting an operation clock speed of said external apparatus, and wherein said speed comparison means is arranged to compare the image pickup speed of said image pickup unit with the operation clock speed of said external apparatus measured or predicted by said operation clock detection means.
Claim 21
Dependent Claim 37 words
A system according to claim 19, wherein, when said image pickup unit obtains a plurality of pixel data, said varying control means selects and outputs at least one pixel data from among the plurality of pixel data.
Claim 22
Dependent Claim 33 words
A system according to claim 19, wherein said varying control means is arranged to vary the number of frames of images to be picked up per unit time by said image pickup unit.
Claim 23
Dependent Claim 51 words
A system according to claim 19, wherein said varying control means is arranged to select and output picked-up image data for at least one picture from among picked-up image data for a plurality of pictures being sent out at intervals of a predetermined length of time from said image pickup unit.
Claim 24
Dependent Claim 49 words
A system according to claim 19, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plurality of pixel rows, said varying control means selects and outputs picked-up image data for a fewer number of pixel rows than the plurality of pixel rows.
Claim 25
Dependent Claim 46 words
A system according to claim 19, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control means selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 26
Dependent Claim 37 words
A system according to claim 19, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 27
Dependent Claim 37 words
A system according to claim 1, wherein, when said image pickup unit obtains a plurality of pixel data, said varying control means selects and outputs at least one pixel data from among the plurality of pixel data.
Claim 28
Dependent Claim 33 words
A system according to claim 26, wherein said varying control means is arranged to vary the number of frames of images to be picked up per unit time by said image pickup unit.
Claim 29
Dependent Claim 51 words
A system according to claim 26, wherein said varying control means is arranged to select and output picked-up image data for at least one picture from among picked-up image data for a plurality of pictures being sent out at intervals of a predetermined length of time from said image pickup unit.
Claim 30
Dependent Claim 49 words
A system according to claim 26, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plurality of pixel rows, said varying control means selects and outputs picked-up image data for a fewer number of pixel rows than the plurality of pixel rows.
Claim 31
Dependent Claim 46 words
A system according to claim 26, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control means selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 32
Dependent Claim 37 words
A system according to claim 26, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 33
Dependent Claim 33 words
A system according to claim 1, wherein said varying control means is arranged to vary the number of frames of images to be picked up per unit time by said image pickup unit.
Claim 34
Dependent Claim 51 words
A system according to claim 32, wherein said varying control means is arranged to select and output picked-up image data for at least one picture from among picked-up image data for a plurality of pictures being sent out at intervals of a predetermined length of time from said image pickup unit.
Claim 35
Dependent Claim 49 words
A system according to claim 33, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plurality of pixel rows, said varying control means selects and outputs picked-up image data for a fewer number of pixel rows than the plurality of pixel rows.
Claim 36
Dependent Claim 46 words
A system according to claim 32, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control means selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 37
Dependent Claim 37 words
A system according to claim 32, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 38
Dependent Claim 51 words
A system according to claim 1, wherein said varying control means is arranged to select and output picked-up image data for at least one picture from among picked-up image data for a plurality of pictures being sent out at intervals of a predetermined length of time from said image pickup unit.
Claim 39
Dependent Claim 49 words
A system according to claim 37, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plurality of pixel rows, said varying control means selects and outputs picked-up image data for a fewer number of pixel rows than the plurality of pixel rows.
Claim 40
Dependent Claim 46 words
A system according to claim 37, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control means selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 41
Dependent Claim 37 words
A system according to claim 37, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 42
Dependent Claim 49 words
A system according to claim 1, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plurality of pixel rows, said varying control means selects and outputs picked-up image data for a fewer number of pixel rows than the plurality of pixel rows.
Claim 43
Dependent Claim 46 words
A system according to claim 41, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control means selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 44
Dependent Claim 37 words
A system according to claim 41, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 45
Dependent Claim 46 words
A system according to claim 1, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control means selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 46
Dependent Claim 37 words
A system according to claim 44, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 47
Dependent Claim 37 words
A system according to claim 1, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 48
Dependent Claim 147 words
An image pickup unit which has a connection terminal for connection with an external apparatus and which is arranged to pick up an image to output picked-up image data through the connection terminal comprising: data exchange means for exchanging data with said external apparatus connected; processing-speed detection means for measuring or predicting a processing speed of said external apparatus connected; speed comparison means for making a comparison between the processing speed of said external apparatus detected by said processing-speed detection means and an image pickup speed or a picked-up image data output speed of said image pickup unit; and varying control means for varying an image pickup action or a picked-up image data output action of said image pickup unit according to a result of the comparison made by said speed comparison means or according to an operation performed by an operator of said image pickup unit.
Claim 49
Dependent Claim 147 words
An image pickup unit which has a connection terminal for connection with an external apparatus and which is arranged to pick up an image to output picked-up image data through the connection terminal comprising: data exchange means for exchanging data with said external apparatus connected; processing-speed detection means for measuring or predicting a processing speed of said external apparatus connected; speed comparison means for making a comparison between the processing speed of said external apparatus detected by said processing-speed detection means and an image pickup speed or a picked-up image data output speed of said image pickup unit; and varying control means for varying an image pickup action or a picked-up image data output action of said image pickup unit according to a result of the comparison made by said speed comparison means or according to an operation performed by an operator of said image pickup unit.
Claim 50
Dependent Claim 40 words
A unit according to claim 47, further comprising informing means for informing one of or all of the operator of said external apparatus and said image pickup unit of the result of the comparison made by said speed comparison means.
Claim 51
Dependent Claim 69 words
A unit according to claim 47, further comprising Dm detection means for measuring or predicting a maximum amount Dm of picked-up image data transferable per unit time to said external apparatus connected, and data amount comparison means for making a comparison between the detected maximum amount Dm of picked-up image data and an amount Sp of picked-up image data being outputted per unit time by said image pickup unit.
Claim 52
Dependent Claim 61 words
A unit according to claim 47, further comprising operation clock detecting means for measuring or predicting an operation clock speed of said external apparatus, and wherein said speed comparison means is arranged to compare the image pickup speed of said image pickup unit with the operation clock speed of said external apparatus measured or predicted by said operation clock detection means.
Claim 53
Dependent Claim 37 words
A unit according to claim 47, wherein, when said image pickup unit obtains a plurality of pixel data, said varying control means selects and outputs at least one pixel data from among the plurality of pixel data.
Claim 54
Dependent Claim 33 words
A unit according to claim 47, wherein said varying control means is arranged to vary the number of frames of images to be picked up per unit time by said image pickup unit.
Claim 55
Dependent Claim 51 words
A unit according to claim 47, wherein said varying control means is arranged to select and output picked-up image data for at least one picture from among picked-up image data for a plurality of pictures being sent out at intervals of a predetermined length of time from said image pickup unit.
Claim 56
Dependent Claim 49 words
A unit according to claim 47, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plurality of pixel rows, said varying control means selects and outputs picked-up image data for a fewer number of pixel rows than the plurality of pixel rows.
Claim 57
Dependent Claim 46 words
A unit according to claim 47, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control means selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 58
Dependent Claim 37 words
A unit according to claim 47, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 59
Dependent Claim 184 words
An external apparatus which is connected to an image pickup unit which has a connection terminal for connection with said external apparatus and which is arranged to pick up an image to output picked-up image data through the connection terminal, said image pickup unit having: data exchange means for exchanging data with said external apparatus connected; processing-speed detection means for measuring or predicting a processing speed of said external apparatus connected; speed comparison means for making a comparison between the processing speed of said external apparatus detected by said processing-speed detection means and an image pickup speed or a picked-up image data output speed of said image pickup unit; and varying control means for varying an image pickup action or a picked-up image data output action of said image pickup unit according to a result of the comparison made by said speed comparison means or according to an operation performed by an operator of said image pickup unit, wherein said external apparatus comprises another terminal to be connected to said image pickup unit and a transmitter for transmitting data to said image pickup unit.
Claim 60
Dependent Claim 184 words
An external apparatus which is connected to an image pickup unit which has a connection terminal for connection with said external apparatus and which is arranged to pick up an image to output picked-up image data through the connection terminal, said image pickup unit having: data exchange means for exchanging data with said external apparatus connected; processing-speed detection means for measuring or predicting a processing speed of said external apparatus connected; speed comparison means for making a comparison between the processing speed of said external apparatus detected by said processing-speed detection means and an image pickup speed or a picked-up image data output speed of said image pickup unit; and varying control means for varying an image pickup action or a picked-up image data output action of said image pickup unit according to a result of the comparison made by said speed comparison means or according to an operation performed by an operator of said image pickup unit, wherein said external apparatus comprises another terminal to be connected to said image pickup unit and a transmitter for transmitting data to said image pickup unit.
Claim 61
Dependent Claim 30 words
An apparatus according to claim 57, further comprising informing means for informing the operator of said external apparatus of the result of the comparison made by said speed comparison means.
Claim 62
Dependent Claim 69 words
An apparatus according to claim 57, further comprising Dm detection means for measuring or predicting a maximum amount Dm of picked-up image data transferable per unit time to said external apparatus connected, and data amount comparison means for making a comparison between the detected maximum amount Dm of picked-up image data and an amount Sp of picked-up image data being outputted per unit time by said image pickup unit.
Claim 63
Dependent Claim 61 words
An apparatus according to claim 57, further comprising operation clock detecting means for measuring or predicting an operation clock speed of said external apparatus, and wherein said speed comparison means is arranged to compare the image pickup speed of said image pickup unit with the operation clock speed of said external apparatus measured or predicted by said operation clock detection means.
Claim 64
Dependent Claim 37 words
An apparatus according to claim 57, wherein, when said image pickup unit obtains a plurality of pixel data, said varying control means selects and outputs at least one pixel data from among the plurality of pixel data.
Claim 65
Dependent Claim 33 words
An apparatus according to claim 57, wherein said varying control means is arranged to vary the number of frames of images to be picked up per unit time by said image pick-up unit.
Claim 66
Dependent Claim 51 words
An apparatus according to claim 57, wherein said varying control means is arranged co select and output picked-up image data for at least one picture from among picked-up image data for a plurality of pictures being sent out at intervals of a predetermined length of time from said image pickup unit.
Claim 67
Dependent Claim 49 words
An apparatus according to claim 57, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plurality of pixel rows, said varying control means selects and outputs picked-up image data for a fewer number of pixel rows than the plurality of pixel rows.
Claim 68
Dependent Claim 46 words
An apparatus according to claim 57, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control means selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 69
Dependent Claim 37 words
An apparatus according to claim 57, wherein said varying control means is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 70
Dependent Claim 170 words
An image pickup method for an image pickup unit which has a connection terminal for connection with an external apparatus and which is arranged to pick up an image to output picked-up image data from the connection terminal and at least one external apparatus which is connected to said image pickup unit, comprising: a data exchange step for exchanging data with said external apparatus connected; a processing-speed detection step for measuring or predicting a processing speed of said external apparatus connected; a speed comparison step for making a comparison between the processing speed of said external apparatus detected by said processing-speed detection means and an image pickup speed or a picked-up image data output speed of said image pickup unit; and a varying control step for varying an image pickup action or a picked-up image data output action of said image pickup unit according to a result of the comparison made by said speed comparison means or according to an operation performed by an operator of said image pickup unit.
Claim 71
Dependent Claim 170 words
An image pickup method for an image pickup unit which has a connection terminal for connection with an external apparatus and which is arranged to pick up an image to output picked-up image data from the connection terminal and at least one external apparatus which is connected to said image pickup unit, comprising: a data exchange step for exchanging data with said external apparatus connected; a processing-speed detection step for measuring or predicting a processing speed of said external apparatus connected; a speed comparison step for making a comparison between the processing speed of said external apparatus detected by said processing-speed detection means and an image pickup speed or a picked-up image data output speed of said image pickup unit; and a varying control step for varying an image pickup action or a picked-up image data output action of said image pickup unit according to a result of the comparison made by said speed comparison means or according to an operation performed by an operator of said image pickup unit.
Claim 72
Dependent Claim 41 words
A method according to claim 67, further comprising an informing step for informing one of or all of the operator of said external apparatus and said image pickup unit of the result of the comparison made by said speed comparison step.
Claim 73
Dependent Claim 71 words
A method according to claim 67, further comprising a Dm detection step for measuring or predicting a maximum amount Dm of picked-up image data transferable per unit time to said external apparatus connected, and a data amount comparison step for making a comparison between the detected maximum amount Dm of picked-up image data and an amount Sp of picked-up image data being outputted per unit time by said image pickup unit.
Claim 74
Dependent Claim 62 words
A method according to claim 67, further comprising an operation clock detecting step for measuring or predicting an operation clock speed of said external apparatus, and wherein said speed comparison step is arranged to compare the image pickup speed of said image pickup unit with the operation clock speed of said external apparatus measured or predicted by said operation clock detection step.
Claim 75
Dependent Claim 37 words
A method according to claim 67, wherein, when said image pickup unit obtains a plurality of pixel data, said varying control step selects and outputs at least one pixel data from among the plurality of pixel data.
Claim 76
Dependent Claim 33 words
A method according to claim 67, wherein said varying control step is arranged to vary the number of frames of images to be picked up per unit time by said image pickup unit.
Claim 77
Dependent Claim 51 words
A method according to claim 67, wherein said varying control step is arranged to select and output picked-up image data for at least one picture from among picked-up image data for a plurality of pictures being sent out at intervals of a predetermined length of time from said image pickup unit.
Claim 78
Dependent Claim 49 words
A method according to claim 67, wherein, when said image pickup unit obtains picked-up image data for one frame composed of a plurality of pixel rows, said varying control step selects and outputs picked-up image data for a fewer number of pixel rows than the plurality of pixel rows.
Claim 79
Dependent Claim 45 words
A method according to claim 67, wherein said image pickup unit obtains picked-up image data for one frame composed of a plural number of colors, said varying control step selects and outputs data for an arbitrary number of colors from among the picked-up image data.
Claim 80
Dependent Claim 38 words
A method according to claim 67, wherein, when said varying control step is arranged to increase or decrease an amount of information carried by each of pixels with which said image pickup unit forms the picked-up image data.
Claim 81
Dependent Claim 32 words
A program storage medium for use in the method according to claim 67, wherein said medium includes a program storage area for storing programs which carry out one each of said steps.

References Cited (Backward Citations)

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