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Seungpyo1007Seungpyo1007
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data(smartphone): compute display ppi from resolution + size for 51,557 records
Fills display.ppi = round(sqrt(w^2+h^2)/size_inch) for records that have a resolution and screen size but no ppi. Pure geometry from existing fields — no new/external data. Validated against records that already have ppi: 89% exact, 10% off-by-1 (rounding); the rare larger deltas are Apple's marketed/rounded figures. Coverage ~26% -> ~81%. Refs #1
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51,557 files changed

Lines changed: 103114 additions & 51557 deletions

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‎data/smartphone/acer/2009/betouch-e100.json‎

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"display": {
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"size_inch": 3.2,
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"resolution": "240x400",
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"type": "TFT resistive touchscreen, 65K colors"
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"type": "TFT resistive touchscreen, 65K colors",
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"ppi": 146
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},
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"cameras": [
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{

‎data/smartphone/acer/2009/betouch-e100/acer-betouch-e100.json‎

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"display": {
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"size_inch": 3.2,
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"resolution": "240 x 400 pixels (~146 ppi pixel density)",
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"type": "TFT resistive touchscreen 65K colors"
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"type": "TFT resistive touchscreen 65K colors",
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"ppi": 146
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},
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"connectivity": {
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"network": "GSM / HSPA",

‎data/smartphone/acer/2009/betouch-e101.json‎

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"display": {
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"size_inch": 3.2,
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"resolution": "240x400",
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"type": "TFT resistive touchscreen, 65K colors"
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"type": "TFT resistive touchscreen, 65K colors",
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"ppi": 146
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},
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"cameras": [
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{

‎data/smartphone/acer/2009/betouch-e101/acer-betouch-e101.json‎

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"display": {
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"size_inch": 3.2,
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"resolution": "240 x 400 pixels (~146 ppi pixel density)",
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"type": "TFT resistive touchscreen 65K colors"
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"type": "TFT resistive touchscreen 65K colors",
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"ppi": 146
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},
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"connectivity": {
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"network": "GSM",

‎data/smartphone/acer/2009/betouch-e200.json‎

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"display": {
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"size_inch": 3.0,
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"resolution": "240x400",
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"type": "TFT, 65K colors"
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"type": "TFT, 65K colors",
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"ppi": 155
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},
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"cameras": [
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{

‎data/smartphone/acer/2009/betouch-e200/acer-betouch-e200.json‎

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"display": {
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"size_inch": 3.0,
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"resolution": "240 x 400 pixels (~155 ppi pixel density)",
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"type": "TFT 65K colors"
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"type": "TFT 65K colors",
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"ppi": 155
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},
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"connectivity": {
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"network": "GSM / HSPA",

‎data/smartphone/acer/2009/dx650.json‎

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"display": {
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"size_inch": 2.8,
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"resolution": "240x320",
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"type": "TFT resistive touchscreen, 65K colors"
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"type": "TFT resistive touchscreen, 65K colors",
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"ppi": 143
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},
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"cameras": [
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{

‎data/smartphone/acer/2009/dx650/acer-dx650-aitoolbuzz-17-1gb-2g.json‎

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"display": {
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"size_inch": 2.8,
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"resolution": "240x320 pixels",
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"type": "TFT resistive touchscreen, 65K colors"
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"type": "TFT resistive touchscreen, 65K colors",
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"ppi": 143
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},
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"cameras": [
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{

‎data/smartphone/acer/2009/dx650/acer-dx650-beridzeg45-3564-1gb.json‎

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"display": {
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"size_inch": 2.8,
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"resolution": "240x320",
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"type": "TFT resistive touchscreen, 65K colors"
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"type": "TFT resistive touchscreen, 65K colors",
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"ppi": 143
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},
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"cameras": [
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{

‎data/smartphone/acer/2009/dx900.json‎

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"display": {
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"size_inch": 2.8,
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"resolution": "480x640",
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"type": "TFT resistive touchscreen, 65K colors"
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"type": "TFT resistive touchscreen, 65K colors",
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"ppi": 286
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},
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"cameras": [
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{

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