Kenneth Shinozuka: My simple invention, designed to keep my grandfather safe

229,267 views ใƒป 2015-02-12

TED


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: YERI OH ๊ฒ€ํ† : Jeong-Lan Kinser
00:12
What's the fastest growing threat to Americans' health?
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๋ฏธ๊ตญ์ธ์˜ ๊ฑด๊ฐ•์„ ์œ„ํ˜‘ํ•˜๋Š” ์งˆ๋ณ‘ ์ค‘ ๊ฐ€์žฅ ๋น ๋ฅด๊ฒŒ ์ฆ๊ฐ€ํ•˜๋Š” ๊ฒƒ์ด ๋ญ˜๊นŒ์š”?
00:16
Cancer? Heart attacks? Diabetes?
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์•”? ์‹ฌ์žฅ๋ณ‘? ๋‹น๋‡จ๋ณ‘? ์ „๋ถ€ ์•„๋‹™๋‹ˆ๋‹ค.
00:19
The answer is actually none of these;
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00:21
it's Alzheimer's disease.
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๋ฐ”๋กœ ์•Œ์ธ ํ•˜์ด๋จธ์ž…๋‹ˆ๋‹ค.
00:23
Every 67 seconds,
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๋ฏธ๊ตญ์—์„œ 67์ดˆ์— ํ•œ ๋ช…์”ฉ ์•Œ์ธ ํ•˜์ด๋จธ ์ง„๋‹จ์„ ๋ฐ›์Šต๋‹ˆ๋‹ค.
00:25
someone in the United States is diagnosed with Alzheimer's.
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00:28
As the number of Alzheimer's patients triples by the year 2050,
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2050๋…„๊นŒ์ง€ ์•Œ์ธ ํ•˜์ด๋จธ ํ™˜์ž๊ฐ€ 3๋ฐฐ ์ฆ๊ฐ€ํ•  ๊ฒƒ์ด๊ธฐ ๋•Œ๋ฌธ์—
00:32
caring for them, as well as the rest of the aging population,
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๋…ธ์ธ ์ธ๊ตฌ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ํŠนํžˆ ๊ทธ๋“ค์„ ๋Œ๋ณด๋Š” ๊ฒƒ์ด
00:35
will become an overwhelming societal challenge.
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์—„์ฒญ๋‚œ ์‚ฌํšŒ์  ๋ฌธ์ œ๋กœ ๋Œ€๋‘ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
00:38
My family has experienced firsthand
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์ œ ๊ฐ€์กฑ๋“ค์€ ์•Œ์ธ ํ•˜์ด๋จธ ํ™˜์ž๋ฅผ ๋Œ๋ณด๋Š” ์–ด๋ ค์›€์„ ์‹ค์ œ๋กœ ๊ฒฝํ—˜ ํ–ˆ์ฃ .
00:40
the struggles of caring for an Alzheimer's patient.
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00:42
Growing up in a family with three generations,
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3๋Œ€๊ฐ€ ๋ชจ์—ฌ์‚ฌ๋Š” ์ง‘์•ˆ์—์„œ ์ž๋ž€ ์ €๋Š” ํ• ์•„๋ฒ„์ง€์™€ ๊ฐ€๊นŒ์šด ์‚ฌ์ด์˜€์Šต๋‹ˆ๋‹ค.
00:45
I've always been very close to my grandfather.
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00:47
When I was four years old,
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์ œ๊ฐ€ 4์‚ด ๋•Œ ํ• ์•„๋ฒ„์ง€์™€ ์ €๋Š” ์ผ๋ณธ์˜ ํ•œ ๊ณต์›์—์„œ ์‚ฐ์ฑ… ์ค‘์ด์—ˆ๋Š”๋ฐ
00:48
my grandfather and I were walking in a park in Japan
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00:51
when he suddenly got lost.
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ํ• ์•„๋ฒ„์ง€๊ฐ€ ๊ฐ‘์ž๊ธฐ ๊ธธ์„ ์žƒ์—ˆ์ฃ .
00:52
It was one of the scariest moments I've ever experienced in my life,
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์ธ์ƒ์—์„œ ๊ฐ€์žฅ ๋‘๋ ค์šด ์ˆœ๊ฐ„ ์ค‘ ํ•˜๋‚˜์˜€์ฃ .
00:55
and it was also the first instance that informed us
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๋˜ํ•œ ๊ฐ€์กฑ๋“ค์ด ํ• ์•„๋ฒ„์ง€๊ฐ€ ์•Œ์ธ ํ•˜์ด๋จธ ๋ณ‘์ด ์žˆ๋‹ค๋Š” ๊ฒƒ์„
00:58
that my grandfather had Alzheimer's disease.
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์ฒ˜์Œ์œผ๋กœ ๊นจ๋‹ซ๊ฒŒ ํ•ด์ค€ ๊ณ„๊ธฐ์˜€์Šต๋‹ˆ๋‹ค.
01:00
Over the past 12 years, his condition got worse and worse,
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์ง€๋‚œ 12๋…„ ๋™์•ˆ ํ• ์•„๋ฒ„์ง€ ์ƒํƒœ๋Š” ์ ์  ๋‚˜๋น ์กŒ๊ณ 
01:04
and his wandering in particular caused my family a lot of stress.
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ํŠนํžˆ ํ• ์•„๋ฒ„์ง€๊ฐ€ ๋Œ์•„๋‹ค๋‹ˆ๋Š” ๊ฒƒ์ด ๊ฐ€์กฑ๋“ค์—๊ฒŒ ํฐ ์ŠคํŠธ๋ ˆ์Šค๋ฅผ ์ฃผ์—ˆ์ฃ .
01:07
My aunt, his primary caregiver,
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์ฃผ๋กœ ์ œ ์ด๋ชจ๊ฐ€ ๋งก์•„์„œ ๋Œ๋ณด์…จ๋Š”๋ฐ
01:09
really struggled to stay awake at night to keep an eye on him,
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๋ฐค์—๋„ ํ• ์•„๋ฒ„์ง€๋ฅผ ์ง€ํ‚ค๊ธฐ ์œ„ํ•ด ๊นจ์–ด ์žˆ์œผ๋ ค๊ณ  ๋งค์šฐ ๊ณ ์ƒํ•˜์…จ์Šต๋‹ˆ๋‹ค.
01:12
and even then often failed to catch him leaving the bed.
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๊ทธ๋Ÿฐ๋ฐ๋„ ์ข…์ข… ํ• ์•„๋ฒ„์ง€๊ฐ€ ์นจ๋Œ€์—์„œ ๋ฒ—์–ด๋‚˜๋Š” ๊ฒƒ์„ ๋†“์ณค์Šต๋‹ˆ๋‹ค.
01:15
I became really concerned about my aunt's well-being
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์ €๋Š” ํ• ์•„๋ฒ„์ง€์˜ ์•ˆ์ „ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์ด๋ชจ์˜ ๊ฑด๊ฐ• ์ƒํƒœ๋„ ์ •๋ง ๊ฑฑ์ • ๋์Šต๋‹ˆ๋‹ค.
01:17
as well as my grandfather's safety.
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01:19
I searched extensively for a solution that could help my family's problems,
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๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•  ๋ฐฉ๋ฒ•์„ ์—ด์‹ฌํžˆ ์ฐพ์•„๋ดค์ง€๋งŒ ์ฐพ์„ ์ˆ˜ ์—†์—ˆ์Šต๋‹ˆ๋‹ค.
01:23
but couldn't find one.
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01:24
Then, one night about two years ago,
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๊ทธ๋ฆฌ๊ณ , ์•ฝ 2๋…„ ์ „ ์–ด๋Š ๋‚  ๋ฐค
01:27
I was looking after my grandfather and I saw him stepping out of the bed.
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ํ• ์•„๋ฒ„์ง€๋ฅผ ์ง€ํ‚ค๊ณ  ์žˆ๋‹ค๊ฐ€ ์นจ๋Œ€์—์„œ ๋‚ด๋ ค์˜ค์‹œ๋Š” ๊ฑธ ๋ดค์Šต๋‹ˆ๋‹ค.
01:31
The moment his foot landed on the floor,
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๋ฐœ์ด ๋ฐ”๋‹ฅ์— ๋‹ฟ๋Š” ์ˆœ๊ฐ„์—,
01:33
I thought, why don't I put a pressure sensor on the heel of his foot?
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๋ฐœ๋’ค๊ฟˆ์น˜์— ์••๋ ฅ์„ผ์„œ๋ฅผ ๋ถ™์ด๋ฉด ์–ด๋–จ์ง€ ์ƒ๊ฐํ•ด ๋ณด์•˜์ฃ .
01:36
Once he stepped onto the floor and out of the bed,
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๋ฐ”๋‹ฅ์— ๋‚ด๋ ค์™€ ์นจ๋Œ€๋ฅผ ๋ฒ—์–ด๋‚˜๋ฉด
01:38
the pressure sensor would detect an increase in pressure caused by body weight
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์••๋ ฅ์„ผ์„œ๊ฐ€ ์ฒด์ค‘ ๋•Œ๋ฌธ์— ์••๋ ฅ์˜ ์ฆ๊ฐ€๋ฅผ ๊ฐ์ง€ํ•  ๊ฒƒ์ด๊ณ 
01:42
and then wirelessly send an audible alert to the caregiver's smartphone.
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๋ฌด์„ ์œผ๋กœ ๊ฐ„๋ณ‘์ธ์˜ ํœด๋Œ€ํฐ์— ์†Œ๋ฆฌ๋‚˜๋Š” ๊ฒฝ๊ณ ์‹ ํ˜ธ๋ฅผ ๋ณด๋‚ผ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
01:45
That way, my aunt could sleep much better at night
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๊ทธ ๋ฐฉ๋ฒ•์œผ๋กœ ์ œ ์ด๋ชจ๋Š” ๋ฐค์— ํ›จ์”ฌ ๋” ํŽธํ•˜๊ฒŒ
01:48
without having to worry about my grandfather's wandering.
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ํ• ์•„๋ฒ„์ง€๊ฐ€ ๋Œ์•„ ๋‹ค๋‹ ๊ฒƒ์— ๋Œ€ํ•œ ๊ฑฑ์ • ์—†์ด ์ž˜ ์ˆ˜ ์žˆ์—ˆ์ฃ .
01:51
So now I'd like to perform a demonstration of this sock.
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์ž, ๊ทธ๋Ÿฌ๋ฉด ์ด ์–‘๋ง์ด ์ž‘๋™ ํ•˜๋Š” ๊ฑธ ๋ณด์—ฌ ๋“œ๋ฆด๊ฒŒ์š”.
01:57
Could I please have my sock model on the stage?
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์–‘๋ง ๋ชจ๋ธ๋ถ„ ๋ฌด๋Œ€ ์œ„๋กœ ์™€์ฃผ์‹œ๊ฒ ์–ด์š”?
02:00
Great.
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์ข‹์Šต๋‹ˆ๋‹ค.
02:04
So once the patient steps onto the floor --
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์ด๋ ‡๊ฒŒ ํ™˜์ž๊ฐ€ ๋ฐ”๋‹ฅ์„ ๋”›๋Š” ์ˆœ๊ฐ„--
02:07
(Ringing) --
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(์†Œ๋ฆฌ)--
02:09
an alert is sent to the caregiver's smartphone.
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๊ฒฝ๊ณ ์†Œ๋ฆฌ๊ฐ€ ๊ฐ„๋ณ‘์ธ์˜ ์Šค๋งˆํŠธํฐ์œผ๋กœ ์ „์†ก ๋ฉ๋‹ˆ๋‹ค.
(์†Œ๋ฆฌ)
๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. (๋ฐ•์ˆ˜)
02:16
Thank you. (Applause)
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02:18
Thank you, sock model.
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์–‘๋ง ๋ชจ๋ธ๋ถ„, ๊ณ ๋งˆ์›Œ์š”.
02:24
So this is a drawing of my preliminary design.
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์ด๊ฒƒ์ด ์ œ๊ฐ€ ์ฒ˜์Œ์— ๊ตฌ์ƒํ•œ ๋„์•ˆ์ž…๋‹ˆ๋‹ค.
02:27
My desire to create a sensor-based technology
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์„ผ์„œ์— ๊ธฐ๋ฐ˜ํ•œ ๊ธฐ์ˆ ์„ ๊ฐœ๋ฐœํ•˜๋ ค๋Š” ์ œ ์š•๊ตฌ๋Š”
02:30
perhaps stemmed from my lifelong love for sensors and technology.
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์•„๋งˆ๋„ ์„ผ์„œ์™€ ๊ธฐ์ˆ ์— ๋Œ€ํ•œ ์ œ ํ‰์ƒ์˜ ์• ์ •์—์„œ ๋น„๋กฏ๋œ ๊ฒƒ์ด์ฃ .
02:33
When I was six years old,
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์ œ๊ฐ€ ์—ฌ์„ฏ ์‚ด ๋•Œ ์นœ์ฒ™ ์–ด๋ฅธ์˜ ์นœ๊ตฌ๋ถ„์ด ์š•์‹ค์—์„œ ๋„˜์–ด์ง€๋Š” ๋ฐ”๋žŒ์—
02:35
an elderly family friend fell down in the bathroom
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02:37
and suffered severe injuries.
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์‹ฌ๊ฐํ•˜๊ฒŒ ๋‹ค์ณ์„œ ๊ณ ์ƒํ•˜์…จ์Šต๋‹ˆ๋‹ค.
02:39
I became concerned about my own grandparents
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์ €๋Š” ์ œ ํ• ์•„๋ฒ„์ง€๊ฐ€ ๊ฑฑ์ • ๋๊ณ 
02:41
and decided to invent a smart bathroom system.
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์Šค๋งˆํŠธ ์š•์‹ค ์‹œ์Šคํ…œ์„ ๋ฐœ๋ช…ํ•˜๊ธฐ๋กœ ๋งˆ์Œ๋จน์—ˆ์Šต๋‹ˆ๋‹ค.
02:43
Motion sensors would be installed inside the tiles of bathroom floors
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์š•์‹ค ๋ฐ”๋‹ฅ์˜ ํƒ€์ผ ์•ˆ์— ๋™์ž‘ ๊ฐ์ง€ ์„ผ์„œ๋ฅผ ์„ค์น˜ํ•ด์„œ
02:47
to detect the falls of elderly patients whenever they fell down in the bathroom.
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๋…ธ์ธ ํ™˜์ž๋“ค์ด ์š•์‹ค์—์„œ ๋„˜์–ด์ง€๋Š” ๊ฒƒ์„ ๊ฐ์ง€ํ•˜๋Š” ๊ฒ๋‹ˆ๋‹ค.
02:51
Since I was only six years old at the time
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๋‹น์‹œ ์ €๋Š” ๊ณ ์ž‘ ์—ฌ์„ฏ ์‚ด์ด์—ˆ๊ณ  ์œ ์น˜์›๋„ ์กธ์—…ํ•˜์ง€ ๋ชปํ–ˆ๊ธฐ ๋•Œ๋ฌธ์—
02:53
and I hadn't graduated from kindergarten yet,
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02:55
I didn't have the necessary resources and tools to translate my idea into reality,
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์ œ ์ƒ๊ฐ์„ ํ˜„์‹คํ™” ํ•  ๋„๊ตฌ๋‚˜ ์ถฉ๋ถ„ํ•œ ์ž์›์ด ์—†์—ˆ์Šต๋‹ˆ๋‹ค.
03:00
but nonetheless, my research experience
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ํ•˜์ง€๋งŒ ๊ทธ๋Ÿผ์—๋„ ๋ถˆ๊ตฌํ•˜๊ณ  ์ด ์—ฐ๊ตฌ ๊ฒฝํ—˜์€
03:02
really implanted in me a firm desire to use sensors to help the elderly people.
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๋…ธ์ธ๋“ค์„ ๋„์šธ ์ˆ˜ ์žˆ๋Š” ์„ผ์„œ ์‚ฌ์šฉ์˜ ํ™•๊ณ ํ•œ ์—ด๋ง์œผ๋กœ ์ž๋ฆฌ ์žก์•˜์Šต๋‹ˆ๋‹ค.
03:06
I really believe that sensors can improve the quality of life of the elderly.
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์ €๋Š” ์„ผ์„œ๋กœ ๋…ธ์ธ๋“ค์˜ ์‚ถ์˜ ์งˆ์„ ํ–ฅ์ƒ์‹œํ‚ฌ ์ˆ˜ ์žˆ๋‹ค๊ณ  ๊ตณ๊ฒŒ ๋ฏฟ์Šต๋‹ˆ๋‹ค.
03:12
When I laid out my plan, I realized that I faced three main challenges:
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๊ณ„ํš์— ์ฐฉ์ˆ˜ํ–ˆ์„ ๋•Œ ์„ธ ๊ฐ€์ง€ ๋‚œ์ œ์— ์ง๋ฉดํ–ˆ์Šต๋‹ˆ๋‹ค:
03:16
first, creating a sensor;
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๋จผ์ €, ์„ผ์„œ๋ฅผ ๋งŒ๋“ค์–ด์•ผ ํ–ˆ๊ณ ; ๋‘ ๋ฒˆ์งธ๋กœ, ํšŒ๋กœ๋ฅผ ๊ตฌ์ƒํ•ด์•ผ ํ–ˆ๊ณ ;
03:18
second, designing a circuit;
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03:19
and third, coding a smartphone app.
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์„ธ ๋ฒˆ์งธ๋กœ, ์–ดํ”Œ์„ ๊ฐœ๋ฐœํ•ด์•ผ ํ–ˆ์Šต๋‹ˆ๋‹ค.
03:21
This made me realize that my project was actually much harder to realize
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์ œ ๊ตฌ์ƒ์„ ์‹ค์ œ๋กœ ๊ตฌํ˜„ํ•˜๋Š” ๊ฒƒ์€ ์ฒ˜์Œ ์ƒ๊ฐ๋ณด๋‹ค ํ›จ์”ฌ ๋”
03:24
than I initially had thought it to be.
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์–ด๋ ค์šด ์ผ์ด๋ž€ ๊ฑธ ์•Œ๊ฒŒ ๋˜์—ˆ์ฃ .
03:26
First, I had to create a wearable sensor that was thin and flexible enough
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๋จผ์ €, ์ €๋Š” ์ถฉ๋ถ„ํžˆ ์–‡๊ณ  ์œ ์—ฐํ•ด์„œ ํ™˜์ž์˜ ๋ฐœ๋ฐ”๋‹ฅ์—
03:30
to be worn comfortably on the bottom of the patient's foot.
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ํŽธํ•˜๊ฒŒ ๋ถ€์ฐฉํ•  ์ˆ˜ ์žˆ๋Š” ์ฐฉ์šฉ ๊ฐ€๋Šฅํ•œ ์„ผ์„œ๋ฅผ ๊ฐœ๋ฐœํ•ด์•ผ ํ–ˆ์ฃ .
03:33
After extensive research and testing of different materials like rubber,
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๊ณ ๋ฌด ๊ฐ™์€ ๋‹ค์–‘ํ•œ ์†Œ์žฌ๋“ค๋กœ ์‹คํ—˜ํ•œ ํ›„์—
03:36
which I realized was too thick to be worn snugly on the bottom of the foot,
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์‚ฌ์‹ค ๊ณ ๋ฌด๋Š” ๋ฐœ๋ฐ”๋‹ฅ์— ํŽธ์•ˆํ•˜๊ฒŒ ๋‹ฟ๊ธฐ์—” ๋„ˆ๋ฌด ๋‘๊บผ์› ๋Š”๋ฐ์š”,
03:40
I decided to print a film sensor
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๊ทธ๋ž˜์„œ ์ „๋„์„ฑ์„ ๋„๊ณ  ์••๋ ฅ์„ ๊ฐ์ง€ํ•˜๋Š” ์ž‰ํฌ ์ž…์ž๋กœ ํ•„๋ฆ„ ์„ผ์„œ๋ฅผ ํ”„๋ฆฐํŠธ ํ–ˆ์ฃ .
03:41
with electrically conductive pressure-sensitive ink particles.
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03:44
Once pressure is applied, the connectivity between the particles increases.
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์••๋ ฅ์ด ๊ฐ€ํ•ด์ง€๋ฉด, ์ž…์ž๋“ค ๊ฐ„์˜ ์—ฐ๊ฒฐ์„ฑ์ด ์ฆ๊ฐ€๋ฉ๋‹ˆ๋‹ค.
03:48
Therefore, I could design a circuit that would measure pressure
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๋”ฐ๋ผ์„œ ์ €๋Š” ์ „๊ธฐ์ €ํ•ญ์„ ์ธก์ •ํ•ด์„œ ์••๋ ฅ์„ ์ธก์กํ•  ์ˆ˜ ์žˆ๋Š”
03:51
by measuring electrical resistance.
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ํšŒ๋กœ๋ฅผ ๋””์ž์ธํ•  ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
03:53
Next, I had to design a wearable wireless circuit,
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๋‹ค์Œ์œผ๋กœ ์ €๋Š” ์ฐฉ์šฉ ๊ฐ€๋Šฅํ•œ ๋ฌด์„  ํšŒ๋กœ๋ฅผ ๋””์ž์ธ ํ•ด์•ผ ํ–ˆ๋Š”๋ฐ
03:56
but wireless signal transmission consumes lots of power
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๋ฌด์„  ์‹ ํ˜ธ ์ „์†ก๊ธฐ๋Š” ์ „๋ ฅ ์†Œ๋ชจ๊ฐ€ ์‹ฌํ•˜๊ณ 
03:59
and requires heavy, bulky batteries.
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๋ฌด๊ฒ๊ณ  ํฐ ๋ฐฐํ„ฐ๋ฆฌ๊ฐ€ ํ•„์š”ํ–ˆ์Šต๋‹ˆ๋‹ค.
04:01
Thankfully, I was able to find out about the Bluetooth low energy technology,
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๋‹คํ–‰์Šค๋Ÿฝ๊ฒŒ๋„ ์ €๋Š” ๋ธ”๋ฃจํˆฌ์Šค๋ฅผ ์ด์šฉํ•œ ๊ธฐ์ˆ ์„ ์•Œ๊ฒŒ ๋˜์—ˆ๋Š”๋ฐ,
04:04
which consumes very little power and can be driven by a coin-sized battery.
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์ด ๊ธฐ์ˆ ์€ ์ „๋ ฅ ์†Œ๋ชจ๊ฐ€ ์•„์ฃผ ์ ์–ด์„œ ๋™์ „๋งŒ ํ•œ ๋ฐฐํ„ฐ๋ฆฌ๋กœ๋„ ์ž‘๋™์ด ๊ฐ€๋Šฅํ–ˆ์ฃ .
04:08
This prevented the system from dying in the middle of the night.
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๋•๋ถ„์— ๋ฐค์ค‘์— ๊ธฐ๊ธฐ๊ฐ€ ๊บผ์ง€๋Š” ๊ฒƒ์„ ๋ฐฉ์ง€ ํ–ˆ์Šต๋‹ˆ๋‹ค.
04:11
Lastly, I had to code a smartphone app that would essentially transform
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๋งˆ์ง€๋ง‰์œผ๋กœ, ๊ฐ„๋ณ‘์ธ์˜ ํœด๋Œ€ํฐ์„ ์›๊ฑฐ๋ฆฌ ๋ชจ๋‹ˆํ„ฐ๋กœ ๋ฐ”๊ฟ” ์ค„
04:15
the care-giver's smartphone into a remote monitor.
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์Šค๋งˆํŠธํฐ์šฉ ์•ฑ์„ ๊ฐœ๋ฐœํ•ด์•ผ ํ–ˆ์Šต๋‹ˆ๋‹ค.
04:17
For this, I had to expand upon my knowledge of coding with Java and XCode
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๊ทธ๋Ÿฌ๊ธฐ ์œ„ํ•ด์„œ, ์ €๋Š” ์ž๋ฐ”์™€ X ์ฝ”๋“œ๋ฅผ ๋งŒ๋“ค ์ˆ˜ ์žˆ๋Š” ์ง€์‹์„ ์Œ“์•„์•ผ ํ–ˆ๊ณ 
04:21
and I also had to learn about how to code for Bluetooth low energy devices
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๋ธ”๋ฃจํˆฌ์Šค ์ €์ „๋ ฅ ์žฅ์น˜์— ๋งž๊ฒŒ ๋งŒ๋“œ๋Š” ๋ฒ•์„ ์•Œ๊ธฐ ์œ„ํ•ด์„œ
04:24
by watching YouTube tutorials and reading various textbooks.
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์œ ํˆฌ๋ธŒ ๊ฐ•์˜์™€ ๋‹ค์–‘ํ•œ ์„œ์ ์„ ์ฝ์–ด์•ผ ํ–ˆ์Šต๋‹ˆ๋‹ค.
04:29
Integrating these components, I was able to successfully create two prototypes,
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์ด๋Ÿฐ ์š”์†Œ๋“ค์„ ํ†ตํ•ฉํ•ด ์„ฑ๊ณต์ ์œผ๋กœ ๋‘ ๊ฐœ์˜ ๊ฒฌ๋ณธ์„ ์ œ์ž‘ํ–ˆ์Šต๋‹ˆ๋‹ค.
04:33
one in which the sensor is embedded inside a sock,
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ํ•˜๋‚˜๋Š” ์–‘๋ง ์•ˆ์— ์‹ฌ์–ด์ง„ ์„ผ์„œ์ด๊ณ 
04:35
and another that's a re-attachable sensor assembly
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๋‹ค๋ฅธ ํ•˜๋‚˜๋Š” ์žฌ๋ถ€์ฐฉ์ด ๊ฐ€๋Šฅํ•œ ์„ผ์„œ์˜ ์กฐํ•ฉ์ฒด์ธ๋ฐ์š”,
04:37
that can be adhered anywhere that makes contact
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ํ™˜์ž์˜ ๋ฐœ๋ฐ”๋‹ฅ๊ณผ ์ ‘์ด‰ํ•˜๋Š” ๊ณณ์ด๋ฉด ์–ด๋””๋“ ์ง€ ๋ถ™์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
04:39
with the bottom of the patient's foot.
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04:41
I've tested the device on my grandfather for about a year now,
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์ œ ํ• ์•„๋ฒ„์ง€์—๊ฒŒ ์ด ์žฅ์น˜๋ฅผ ์‹œํ—˜ํ•œ์ง€ ์ด์ œ 1๋…„์ด ๋‹ค ๋˜์–ด ๊ฐ€๋Š”๋ฐ์š”,
04:44
and it's had a 100 percent success rate
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900๊ฑด ์ด์ƒ์˜ ํ• ์•„๋ฒ„์ง€์˜ ๊ฑฐ๋™์„ ์•Œ๋ ค 100 ํผ์„ผํŠธ์˜ ์„ฑ๊ณต๋ฅ ์„ ์ž๋ž‘ํ•ฉ๋‹ˆ๋‹ค.
04:46
in detecting the over 900 known cases of his wandering.
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04:50
Last summer, I was able to beta test my device
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์ง€๋‚œ์—ฌ๋ฆ„์—”, ์ œ ์žฅ์น˜๋ฅผ ์บ˜๋ฆฌํฌ๋‹ˆ์•„์— ์žˆ๋Š”
04:53
at several residential care facilities in California,
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์ผ๋ถ€ ์ง€์—ญ์ฃผ๋ฏผ ์ผ€์–ด์„ผํ„ฐ์—์„œ ๋ฒ ํƒ€ ํ…Œ์ŠคํŠธ๋ฅผ ํ•ด ๋ณผ ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
04:55
and I'm currently incorporating the feedback
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๊ทธ๋ฆฌ๊ณ  ์ง€๊ธˆ์€ ํ”ผ๋“œ๋ฐฑ์„ ๊ฒฐํ•ฉํ•˜์—ฌ
04:57
to further improve the device into a marketable product.
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์ด ์žฅ์น˜๊ฐ€ ์‹œ์žฅ์„ฑ์žˆ๋Š” ์ƒํ’ˆ์ด ๋˜๋„๋ก ๊ฐœ์„ ํ•˜๋Š” ์ค‘์ด์ฃ .
05:00
Testing the device on a number of patients
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์ด ์žฅ์น˜๋ฅผ ์—ฌ๋Ÿฌ ํ™˜์ž๋“ค์—๊ฒŒ ์‹œํ—˜ ํ•ด๋ณด๋ฉด์„œ
05:02
made me realize that I needed to invent solutions
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์ž˜ ๋•Œ ์–‘๋ง ์‹ ๊ธฐ๋ฅผ ์‹ซ์–ดํ•˜๋Š” ์‚ฌ๋žŒ๋“ค์„ ์œ„ํ•œ ํ•ด๊ฒฐ์ฑ…์ด ํ•„์š”ํ•˜๋‹ค๋Š” ๊ฑธ ๊นจ๋‹ฌ์•˜์ฃ .
05:05
for people who didn't want to wear socks to sleep at night.
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05:08
So sensor data, collected on a vast number of patients,
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๊ทธ๋ž˜์„œ ์ˆ˜๋งŽ์€ ํ™˜์ž๋“ค์„ ํ†ตํ•ด ์ˆ˜์ง‘ํ•œ ์„ผ์„œ ๋ฐ์ดํ„ฐ๋Š”
05:11
can be useful for improving patient care
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ํ™˜์ž ๊ด€๋ฆฌ๋ฅผ ๊ฐœ์„ ํ•˜๋Š” ๋ฐ ์œ ์šฉํ•˜๊ฒŒ ์‚ฌ์šฉ๋  ๊ฒƒ์ด๊ณ ,
05:13
and also leading to a cure for the disease, possibly.
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๋˜ ์–ด์ฉŒ๋ฉด ๋ณ‘์„ ์น˜๋ฃŒํ•˜๋Š” ๋ฐ ๋„์›€์„ ์ค„ ์ง€๋„ ๋ชจ๋ฆ…๋‹ˆ๋‹ค.
05:16
For example, I'm currently examining
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์˜ˆ๋ฅผ ๋“ค๋ฉด, ํ˜„์žฌ ์ €๋Š”
05:18
correlations between the frequency of a patient's nightly wandering
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ํ™˜์ž๊ฐ€ ๋ฐค์— ๋Œ์•„๋‹ค๋‹ˆ๋Š” ๋นˆ๋„์ˆ˜์™€
05:21
and his or her daily activities and diet.
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๋‚ฎ ํ™œ๋™ ๋ฐ ์‹๋‹จ ์‚ฌ์ด์— ์ƒ๊ด€๊ด€๊ณ„์— ๋Œ€ํ•ด ์—ฐ๊ตฌ ์ค‘์ž…๋‹ˆ๋‹ค.
05:25
One thing I'll never forget is when my device first caught
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์ €๋Š” ์ด ์žฅ์น˜๊ฐ€ ์ฒ˜์Œ์œผ๋กœ ๋ฐค์— ์นจ๋Œ€๋ฅผ ๋‚˜์™€์„œ ๋Œ์•„๋‹ค๋‹ˆ๋Š”
05:28
my grandfather's wandering out of bed at night.
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ํ• ์•„๋ฒ„์ง€๋ฅผ ํฌ์ฐฉํ•œ ์ˆœ๊ฐ„์„ ์žŠ์ง€ ๋ชป ํ•ฉ๋‹ˆ๋‹ค.
05:30
At that moment, I was really struck by the power of technology
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๊ทธ ๋‹น์‹œ ์ €๋Š” ์‚ถ์„ ๋” ์ข‹๊ฒŒ ๋ฐ”๊พธ๋Š” ๊ธฐ์ˆ ์˜ ํž˜์— ๋งค์šฐ ๋†€๋ž์—ˆ์ฃ .
05:33
to change lives for the better.
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05:36
People living happily and healthfully --
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์‚ฌ๋žŒ๋“ค์ด ํ–‰๋ณตํ•˜๊ณ  ๊ฑด๊ฐ•ํ•˜๊ฒŒ ์‚ฌ๋Š” ์„ธ์ƒ, ๊ทธ๊ฒƒ์ด ์ œ๊ฐ€ ๊ฟˆ๊พธ๋Š” ์„ธ์ƒ์ž…๋‹ˆ๋‹ค.
05:38
that's the world that I imagine.
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05:40
Thank you very much.
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๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.
05:42
(Applause)
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(๋ฐ•์ˆ˜)
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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