{"id":1508,"date":"2015-02-21T02:50:44","date_gmt":"2015-02-21T02:50:44","guid":{"rendered":"http:\/\/codienlanh.com\/?p=1508"},"modified":"2015-02-21T02:51:58","modified_gmt":"2015-02-21T02:51:58","slug":"thong-so-ky-thuat-camera-can-biet-den","status":"publish","type":"post","link":"https:\/\/codienlanh.com\/en\/thong-so-ky-thuat-camera-can-biet-den\/","title":{"rendered":"Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Camera c\u1ea7n bi\u1ebft \u0111\u1ebfn"},"content":{"rendered":"<p><\/p>\n<p><strong>T\u1ed5ng h\u1ee3p c\u00e1c <em>th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Camera<\/em> ch\u00fang ta c\u1ea7n bi\u1ebft \u0111\u1ebfn khi l\u1ef1a ch\u1ecdn m\u1ed9t camera ch\u1ea5t l\u01b0\u1ee3ng, th\u00f4ng s\u1ed1 \u0111\u1ea3m b\u1ea3o \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u1ec1 v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t, ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh, \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng v\u00e0 ngu\u1ed3n \u0111i\u1ec7n cung c\u1ea5p.<\/strong><\/p>\n<h3><strong>I. Camera Indoor, Outdoor.<\/strong><\/h3>\n<ul>\n<li style=\"text-align: justify;\">Indoor: Camera \u0111\u1eb7t trong nh\u00e0.<\/li>\n<li style=\"text-align: justify;\">Outdoor: Camera \u0111\u1eb7t ngo\u00e0i tr\u1eddi.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Ch\u00fa \u00fd r\u1eb1ng, n\u1ebfu Camera c\u1ee7a b\u1ea1n d\u1ef1 \u0111\u1ecbnh \u0111\u1eb7t ngo\u00e0i tr\u1eddi th\u00ec n\u00ean ch\u1ecdn Camera Outdoor \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c \u0111\u1ed9ng b\u00ean ngo\u00e0i nh\u01b0 \u0111\u1ed9 \u1ea9m, th\u1eddi ti\u1ebft, n\u01b0\u1edbc, b\u1ee5i, hay c\u00e1c t\u00e1c nh\u00e2n ph\u00e1 ho\u1ea1i kh\u00e1c.<\/p>\n<h3><strong>II. IR Camera: Camera h\u1ed3ng ngo\u1ea1i. Tia h\u1ed3ng ngo\u1ea1i &#8211; Infrared rays<\/strong><\/h3>\n<p style=\"text-align: justify;\">V\u1edbi Camera h\u1ed3ng ngo\u1ea1i, b\u1ea1n c\u00f3 th\u1ec3 ghi h\u00ecnh v\u00e0o ban \u0111\u00eam, \u0111i\u1ec1u m\u00e0 c\u00e1c Camera th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c. V\u1edbi nh\u1eefng \u1ee9ng d\u1ee5ng quan s\u00e1t 24\/24, b\u1ea1n c\u1ea7n ch\u1ecdn Camera c\u00f3 ch\u1ee9c n\u0103ng h\u1ed3ng ngo\u1ea1i. C\u0169ng n\u00ean nh\u1edb r\u1eb1ng, trong \u0111i\u1ec1u ki\u1ec7n \u0111\u1ee7 \u00e1nh s\u00e1ng Camera, Camera n\u00e0y ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng kh\u00e1c nh\u1eefng Camera b\u00ecnh th\u01b0\u1eddng, ch\u1ec9 khi \u0111\u00eam t\u1ed1i, \u0111\u00e8n h\u1ed3ng ngo\u1ea1i \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng b\u1eadt, v\u00e0 Camera b\u1eaft \u0111\u1ea7u ho\u1ea1t \u0111\u1ed9ng v\u1edbi t\u00ednh n\u0103ng h\u1ed3ng ngo\u1ea1i. C\u00f3 m\u1ed9t s\u1ed1 kh\u00e1ch h\u00e0ng th\u1eafc m\u1eafc t\u1ea1i sao Camera khi quay \u0111\u00eam h\u00ecnh \u1ea3nh l\u1ea1i chuy\u1ec3n sang \u0111en tr\u1eafng. Th\u1ef1c ra t\u1ea5t c\u1ea3 c\u00e1c Camera h\u1ed3ng ngo\u1ea1i d\u00f9 c\u00f3 hi\u1ec7n \u0111\u1ea1i \u0111\u1ebfn \u0111\u00e2u th\u00ec khi quay \u0111\u00eam h\u00ecnh \u1ea3nh c\u0169ng ch\u1ec9 l\u00e0 \u0111en tr\u1eafng.<\/p>\n<p style=\"text-align: justify;\">Trong b\u1ea3ng th\u00f4ng s\u1ed1, b\u1ea1n c\u1ea7n quan t\u00e2m \u0111\u1ebfn nh\u1eefng th\u00f4ng s\u1ed1 sau:<\/p>\n<ul>\n<li style=\"text-align: justify;\">IR LED: S\u1ed1 l\u01b0\u1ee3ng \u0111\u00e8n LED h\u1ed3ng ngo\u1ea1i.<\/li>\n<li style=\"text-align: justify;\">VISIBLE DISTANCE AT : Kho\u1ea3ng c\u00e1ch quan s\u00e1t.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Khi ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 h\u1ed3ng ngo\u1ea1i, c\u00e1c \u0111\u00e8n LED s\u1ebd t\u1ef1 \u0111\u1ed9ng b\u1eadt l\u00ean, v\u00e0 \u0111\u00f2i h\u1ecfi c\u00f4ng su\u1ea5t kh\u00e1 l\u1edbn, \u0111\u00f3 l\u00e0 l\u00ed do t\u1ea1i sao ngu\u1ed3n c\u1ea5p cho c\u00e1c Camera h\u1ed3ng ngo\u1ea1i th\u01b0\u1eddng l\u00e0 l\u1edbn h\u01a1n nhi\u1ec1u v\u1edbi c\u00e1c Camera th\u00f4ng th\u01b0\u1eddng.<\/p>\n<h3><strong>III. Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh.<\/strong><\/h3>\n<p style=\"text-align: justify;\">Ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh c\u1ee7a m\u1ed9t Camera ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u th\u00f4ng s\u1ed1.<\/p>\n<p><strong>1. Image Sensor: C\u1ea3m bi\u1ebfn h\u00ecnh<\/strong><\/p>\n<p style=\"text-align: justify; padding-left: 30px;\">Hi\u1ec7n t\u1ea1i, ch\u1ec9 c\u00f3 2 h\u00e3ng s\u1ea3n xu\u1ea5t c\u1ea3m bi\u1ebfn h\u00ecnh tr\u00ean th\u1ebf gi\u1edbi l\u00e0 Sony v\u00e0 Sharp. Tuy nhi\u00ean c\u0169ng c\u00f3 s\u1ef1 kh\u00e1c nhau v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng d\u1eabn \u0111\u1ebfn kh\u00e1c nhau v\u1ec1 gi\u00e1 c\u1ea3. Ngo\u00e0i th\u1ecb tr\u01b0\u1eddng, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y 2 chi\u1ebfc Camera gi\u1ed1ng h\u1ec7t nhau v\u1ec1 ki\u1ec3u d\u00e1ng, nh\u01b0ng gi\u00e1 c\u1ea3 kh\u00e1 ch\u00eanh l\u1ec7ch nhau. Xin \u0111\u1eebng ng\u1ea1c nhi\u00ean, v\u00ec th\u1ef1c ch\u1ea5t 2 chi\u1ebfc Camera \u0111\u00f3 ch\u1ec9 kh\u00e1c nhau 1 \u0111i\u1ec3m duy nh\u1ea5t l\u00e0 c\u1ea3m bi\u00ean h\u00ecnh c\u1ee7a h\u00e3ng n\u00e0o. N\u1ebfu b\u1ea1n mu\u1ed1n ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh t\u1ed1t, c\u00f3 1 l\u1eddi khuy\u00ean l\u00e0 n\u00ean d\u00f9ng c\u1ea3m bi\u1ebfn h\u00ecnh c\u1ee7a h\u00e3ng Sony. K\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh c\u1ea3m bi\u1ebfn c\u00e0ng l\u1edbn th\u00ec ch\u1ea5t l\u01b0\u1ee3ng c\u00e0ng t\u1ed1t. (tuy nhi\u00ean m\u00e0n h\u00ecnh 1\/3 inch Sony CCD s\u1ebd c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t h\u01a1n 1\/4 inch CCD).\u00a0<\/p>\n<p><strong>2. Resolution: \u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/strong><\/p>\n<p style=\"text-align: justify; padding-left: 30px;\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i c\u00e0ng l\u1edbn th\u00ec ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh c\u00e0ng n\u00e9t. Th\u01b0\u00f2ng th\u00ec trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i quan s\u00e1t th\u1eadt r\u00f5 n\u00e9t th\u00ec \u0111\u1ed9 ph\u00e2n gi\u1ea3i 480 TV Lines l\u00e0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n<p><strong>3. CCD Total Pixels: S\u1ed1 \u0111i\u1ec3m \u1ea3nh.<\/strong><\/p>\n<p style=\"text-align: justify; padding-left: 30px;\">Th\u00f4ng s\u1ed1 n\u00e0y n\u00f3i l\u00ean ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh, s\u1ed1 \u0111i\u1ec3m \u1ea3nh c\u00e0ng l\u1edbn th\u00ec ch\u1ea5t l\u01b0\u1ecdng h\u00ecnh \u1ea3nh c\u00e0ng t\u1ed1t, tuy nhi\u00ean, ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh c\u00e0ng t\u1ed1t th\u00ec c\u0169ng \u0111\u1ed3ng ngh\u0129a v\u1edbi dung l\u01b0\u1ecdng \u1ea3nh c\u00e0ng l\u1edbn, v\u00e0 s\u1ebd t\u1ed1n b\u1ed9 nh\u1edb l\u01b0u tr\u1eef c\u0169ng nh\u01b0 \u1ea3nh h\u01b0\u1ecfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n.<\/p>\n<p style=\"text-align: justify; padding-left: 30px;\">Th\u00f4ng th\u01b0\u1eddng l\u00e0 v\u1edbi NTSC: 811 (H) x 508 (V), v\u1edbi PAL: 795 (H)x596 (V).<\/p>\n<h3><strong>IV. \u0110i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng.<\/strong><\/h3>\n<p><strong>1. Minimum Illumination: C\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng nh\u1ecf nh\u1ea5t.<\/strong><\/p>\n<p style=\"text-align: justify;\">Th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng Lux. Th\u00f4ng s\u1ed1 n\u00e0y n\u00f3i l\u00ean r\u1eb1ng, Camera ch\u1ec9 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng l\u1edbn h\u01a1n c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng nh\u1ecf nh\u1ea5t. Trong \u0111i\u1ec1u ki\u1ec7n qu\u00e1 t\u1ed1i, n\u1ebfu kh\u00f4ng ph\u1ea3i l\u00e0 Camera c\u00f3 ch\u1ee9c n\u0103ng h\u1ed3ng ngo\u1ea1i th\u00ec s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c.<\/p>\n<ul>\n<li style=\"text-align: justify;\">\u00c1nh n\u1eafng m\u1eb7t tr\u1eddi: 4000 lux<\/li>\n<li style=\"text-align: justify;\">M\u00e2y: 1000lux<\/li>\n<li style=\"text-align: justify;\">\u00c1nh s\u00e1ng \u0111\u00e8n tu\u00fdp 500 lux,<\/li>\n<li style=\"text-align: justify;\">B\u1ea7u tr\u1eddi c\u00f3 m\u00e2y: 300lux<\/li>\n<li style=\"text-align: justify;\">\u00c1nh s\u00e1ng \u0111\u00e8n tu\u00fdp \u0111\u1ecf 500 lux, tr\u1eafng (300 lux) tr\u1eafng s\u00e1ng 1lux<\/li>\n<li style=\"text-align: justify;\">\u0110\u00eam kh\u00f4ng tr\u0103ng 0.0001 Lux<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Xin ch\u00fa \u00fd \u0111\u1ebfn lo\u1ea1i Camera c\u00f3 ch\u1ee9c n\u0103ng Auto Iris (T\u1ef1 \u0111\u1ed9ng hi\u1ec7u ch\u1ec9nh \u00e1nh s\u00e1ng). \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Camera lo\u1ea1i n\u00e0y l\u00e0 ch\u1ec9 v\u1edbi 1 ngu\u1ed3n s\u00e1ng nh\u1ecf, n\u00f3 c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng khuy\u1ebfch \u0111\u1ea1i ngu\u1ed3n s\u00e1ng \u0111\u00f3 l\u00ean \u0111\u1ec3 c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c.<\/p>\n<p style=\"text-align: justify;\"><strong>2. Power Supply: Ngu\u1ed3n cung c\u1ea5p<\/strong><\/p>\n<p style=\"text-align: justify;\">Hi\u1ec7n nay \u0111a s\u1ed1 c\u00e1c Camera \u0111\u1ec1u d\u00f9ng lo\u1ea1i ngu\u1ed3n 12VDC, ch\u1ec9 m\u1ed9t s\u1ed1 \u00edt c\u00e1c Camera d\u00f9ng ngu\u1ed3n kh\u00e1c. Tuy nhi\u00ean, b\u1ea1n kh\u00f4ng ph\u1ea3i lo l\u1eafng \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 ngu\u1ed3n 12VDC, v\u00ec ph\u1ea7n l\u1edbn c\u00e1c Camera \u0111\u1ec1u \u0111i k\u00e8m v\u1edbi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n, do \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp ngu\u1ed3n 220VAC.<\/p>\n<p style=\"text-align: justify;\"><strong>3. Operatinon Temperature: D\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng.<\/strong><\/p>\n<p style=\"text-align: justify;\">Ph\u1ea7n l\u1edbn c\u00e1c Camera \u0111\u1ec1u cho ph\u00e9p ho\u1ea1t \u0111\u1ed9ng trong d\u1ea3i nhi\u1ec7t \u0111\u1ed9 -100C \u2013 500C, n\u1ebfu Camera c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t nh\u01b0 trong c\u00f4ng nghi\u1ec7p, khu v\u1ef1c c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao th\u00ec b\u1ea1n n\u00ean s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i Camera chuy\u00ean d\u1ee5ng trong c\u00f4ng nghi\u1ec7p.<\/p>\n<p style=\"text-align: justify;\"><strong>4. Operational Humidity: \u0110\u1ed9 \u1ea9m cho ph\u00e9p.<\/strong><\/p>\n<p style=\"text-align: justify;\">Th\u00f4ng th\u01b0\u1eddng, \u0111\u1ed9 \u1ea9m cho ph\u00e9p l\u00e0 85% RH (\u0111\u1ed9 \u1ea3m t\u01b0\u01a1ng \u0111\u1ed1i)<\/p>\n<div id=\"attachment_1511\" style=\"width: 510px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/codienlanh.com\/wp-content\/uploads\/2015\/02\/giai_phap-camera-3g-cho-nhung-noi-khong-co-internet.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1511\" class=\"size-full wp-image-1511\" src=\"http:\/\/codienlanh.com\/wp-content\/uploads\/2015\/02\/giai_phap-camera-3g-cho-nhung-noi-khong-co-internet.jpg\" alt=\"giai phap camera 3G , gi\u1ea3i ph\u00e1p camera 3G\" width=\"500\" height=\"500\" srcset=\"https:\/\/codienlanh.com\/wp-content\/uploads\/2015\/02\/giai_phap-camera-3g-cho-nhung-noi-khong-co-internet.jpg 500w, https:\/\/codienlanh.com\/wp-content\/uploads\/2015\/02\/giai_phap-camera-3g-cho-nhung-noi-khong-co-internet-150x150.jpg 150w, https:\/\/codienlanh.com\/wp-content\/uploads\/2015\/02\/giai_phap-camera-3g-cho-nhung-noi-khong-co-internet-300x300.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><p id=\"caption-attachment-1511\" class=\"wp-caption-text\">Gi\u1ea3i ph\u00e1p camera 3G cho nh\u1eefng n\u01a1i ch\u01b0a cho h\u1ec7 th\u1ed1ng internet.<\/p><\/div>\n<h3><strong>V. G\u00f3c quan s\u00e1t.<\/strong><\/h3>\n<p style=\"text-align: justify;\">Trong t\u00e0i li\u1ec7u k\u0129 thu\u1eadt th\u01b0\u1eddng kh\u00f4ng ghi g\u00f3c m\u1edf, m\u00e0 ghi th\u00f4ng s\u1ed1 d thay cho g\u00f3c m\u1edf. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ea3ng quy \u0111\u1ed5i sau:<\/p>\n<ul>\n<li style=\"text-align: justify;\">Ti\u00eau c\u1ef1&#8230;&#8230;G\u00f3c m\u1edf<\/li>\n<li style=\"text-align: justify;\">2.8mm&#8230;&#8230;..1050<\/li>\n<li style=\"text-align: justify;\">3.6mm&#8230;&#8230;..900<\/li>\n<li style=\"text-align: justify;\">4mm&#8230;&#8230;&#8230;.850<\/li>\n<li style=\"text-align: justify;\">6mm&#8230;&#8230;&#8230;.700<\/li>\n<li style=\"text-align: justify;\">8mm&#8230;&#8230;&#8230;.550<\/li>\n<\/ul>\n<p>Tu\u1ef3 v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n m\u00e0 n\u00ean ch\u1ecdn lo\u1ea1i Camera c\u00f3 g\u00f3c quan s\u00e1t l\u00e0 bao nhi\u00eau \u0111\u1ed9. N\u1ebfu b\u1ea1n c\u1ea7n quan s\u00e1t r\u1ed9ng, c\u00f3 th\u1ec3 ch\u1ecdn lo\u1ea1i Camera c\u00f3 g\u00f3c m\u1edf l\u1edbn (th\u01b0\u1eddng l\u00e0 900). C\u00f2n n\u1ebfu ch\u1ec9 mu\u1ed1n quan s\u00e1t trong m\u1ed9t ph\u1ea1m vi r\u1ea5t h\u1eb9p th\u00ec c\u0169ng s\u1ebd c\u00f3 nh\u1eefng lo\u1ea1i Camera ph\u00f9 h\u1ee3p d\u00e0nh cho b\u1ea1n.\u00a0<\/p>\n<p style=\"text-align: justify;\">C\u00f2n n\u1ebfu mu\u1ed1n g\u00f3c quan s\u00e1t r\u1ea5t l\u1edbn, n\u00ean ch\u1ecdn lo\u1ea1i Camera \u0111\u1eb7c bi\u1ec7t c\u00f3 ch\u1ee9c n\u0103ng Pan\/ Tilt (quay ngang, quay d\u1ecdc). N\u1ebfu b\u1ea1n \u0111\u00e3 c\u00f3 m\u1ed9t chi\u1ebfc Camera nh\u01b0ng kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng Pan\/Tilt, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 c\u1ea3i ti\u1ebfn n\u00f3 b\u1eb1ng c\u00e1ch l\u1eafp th\u00eam m\u1ed9t \u0111\u1ebf quay ngang, quay d\u1ecdc, khi \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n Camera c\u1ee7a b\u1ea1n quay theo b\u1ea5t c\u1ee9 h\u01b0\u1edbng n\u00e0o b\u1ea1n mu\u1ed1n.<\/p>\n<h3><strong>VI. C\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c<\/strong><\/h3>\n<p style=\"text-align: justify;\">Nh\u1eefng th\u00f4ng s\u1ed1 tr\u00ean c\u0169ng ch\u1ec9 ph\u1ea3n \u00e1nh \u0111\u01b0\u1ee3c ph\u1ea7n n\u00e0o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t chi\u1ebfc Camera. Nh\u01b0ng c\u0169ng xin nh\u1eafc v\u1edbi c\u00e1c b\u1ea1n r\u1eb1ng m\u1ed9t chi\u1ebfc Camera t\u1ed1t kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 c\u1ea3 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n c\u0169ng s\u1ebd t\u1ed1t. V\u00ec h\u1ec7 th\u1ed1ng kh\u00f4ng \u0111\u01a1n thu\u1ea7n ch\u1ec9 l\u00e0 Camera.<\/p>\n<p style=\"text-align: justify;\"><strong>1. DVR l\u00e0 g\u00ec?<\/strong><\/p>\n<p style=\"text-align: justify;\">Kh\u00f4ng nh\u01b0 c\u00e1c thi\u1ebft b\u1ecb VCR(Video Cassette Recorder), DVR c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m h\u01a1n, c\u0169ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 quan s\u00e1t t\u1eeb xa t\u1ea1i b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o tr\u00ean th\u1ebf gi\u1edbi qua Internet. M\u1ed9t DVR &#8211; Thi\u1ebft b\u1ecb ghi h\u00ecnh k\u0129 thu\u1eadt s\u1ed1, kh\u00e1c v\u1edbi VCD \u1edf nh\u1eefng \u0111i\u1ec3m sau:<\/p>\n<p style=\"text-align: justify;\">Ngo\u00e0i kh\u1ea3 n\u0103ng ghi h\u00ecnh v\u00e0 ti\u1ebfng l\u00ean b\u0103ng t\u1eeb, DVR c\u00f2n c\u00f3 th\u1ec3 ghi l\u00ean \u1ed5 c\u1ee9ng m\u00e1y t\u00ednh ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb l\u01b0u d\u1eef li\u1ec7u kh\u00e1c nh\u01b0 CD, DVD. Do \u0111\u00f3:<\/p>\n<ul>\n<li style=\"text-align: justify;\">Thu\u1eadn ti\u1ec7n h\u01a1n.<\/li>\n<li style=\"text-align: justify;\">Ghi v\u1edbi th\u1eddi l\u01b0\u1ee3ng l\u00e2u h\u01a1n.<\/li>\n<li style=\"text-align: justify;\">Ch\u1ea5t l\u01b0\u1ee3ng ghi t\u1ed1t h\u01a1n.<\/li>\n<li style=\"text-align: justify;\">Ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>2. H\u00ecnh \u1ea3nh v\u00e0 \u00e2m thanh ch\u1ee9a trong DVR :\u00a0<\/strong><\/p>\n<ul>\n<li style=\"text-align: justify;\">Truy c\u1eadp nhanh ch\u00f3ng,<\/li>\n<li style=\"text-align: justify;\">Quan s\u00e1t v\u00e0 ghi l\u1ea1i t\u1ea1i ch\u1ed7 hay t\u1eeb xa qua Internet.<\/li>\n<li style=\"text-align: justify;\">C\u00f9ng m\u1ed9t l\u00fac c\u00f3 th\u1ec3 nhi\u1ec1u ng\u01b0\u1eddi quan s\u00e1t \u0111\u01b0\u1ee3c.<\/li>\n<li style=\"text-align: justify;\">C\u00f3 th\u1ec3 d\u00f9ng trong h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o, b\u00e1o \u0111\u1ed9ng.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>3. PC hay kh\u00f4ng PC?<\/strong><\/p>\n<p style=\"text-align: justify;\">C\u00f3 2 lo\u1ea1i DVR. DVR tr\u00ean c\u01a1 s\u1edf m\u00e1y t\u00ednh (PC base DVR) v\u00e0 DVR \u0111\u1ed9c l\u1eadp (non PC base DVR). C\u1ea3 2 lo\u1ea1i n\u00e0y c\u00f9ng c\u00f3 ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 truy nh\u1eadp qua Internet.<\/p>\n<p style=\"text-align: justify;\">C\u00e1c c\u00e2u h\u1ecfi th\u00f4ng th\u01b0\u1eddng nh\u1ea5t l\u00e0: V\u1eady th\u00ec t\u00f4i c\u1ea7n c\u00e1i PC base DVR hay non PC base DVR?<\/p>\n<p style=\"text-align: justify;\">Ng\u00e0y nay, ch\u1ee9c n\u0103ng c\u1ee7a PC base DVR v\u00e0 non PC base DVR g\u1ea7n nh\u01b0 l\u00e0 ho\u00e0n to\u00e0n t\u01b0\u01a1ng t\u1ef1.<\/p>\n<p style=\"text-align: justify;\">N\u1ebfu b\u1ea1n \u0111ang d\u00f9ng 1 DVR 4 k\u00eanh, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ebf k\u00e9o d\u00e0i th\u00e0nh 64 k\u00eanh b\u1eb1ng c\u00e1ch n\u1ed1i th\u00eam c\u00e1c DVR kh\u00e1c c\u00f3 kh\u1ea3 n\u0103ng giao ti\u1ebfp v\u1edbi DVR \u0111\u00f3.<\/p>\n<p style=\"text-align: justify;\">Ch\u00fa \u00fd r\u1eb1ng khi s\u1eed d\u1ee5ng t\u1eeb \u201ck\u00eanh\u201d, l\u00e0 d\u00f9ng v\u1edbi \u0111\u1ea7u v\u00e0o l\u00e0 c\u00e1c Camera hay ghi \u00e2m. Do \u0111\u00f3 64 k\u00eanh, ngh\u0129a l\u00e0 c\u00f3 th\u1ebf l\u00ean t\u1edbi 64 Camera. \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n ph\u1ea3i s\u1eed d\u1ee5ng t\u1ea5t c\u1ea3 64 Camera ngay l\u00fac n\u00e0y, m\u00e0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 gh\u00e9p n\u1ed1i th\u00eam cho \u0111\u1ebfn 64 Camera n\u1ebfu c\u1ea7n thi\u1ebft sau n\u00e0y.<\/p>\n<p style=\"text-align: justify;\">C\u00e1c DVR c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c sao cho h\u1ea1n ch\u1ebf \u1ea3nh h\u01b0\u1edfng c\u1ee7a l\u1ed7i c\u00f3 th\u1ec3 x\u1ea3y ra (lo\u1ea1i RAID5) th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c Casino, to\u00e0 \u00e1n, v\u0103n ph\u00f2ng ch\u00ednh ph\u1ee7 hay c\u00e1c nhi\u1ec7m v\u1ee5 \u0111\u1eb7c bi\u1ec7t kh\u00e1c. M\u1ed9t RAID5 l\u00e0 m\u1ed9t DVR v\u1edbi nhi\u1ec1u \u1ed5 \u0111\u0129a c\u1ee9ng, do \u0111\u00f3 n\u1ebfu m\u1ed9t \u1ed5 \u0111\u0129a b\u1ecb h\u1ecfng th\u00ec b\u1ea1n s\u1ebd kh\u00f4ng m\u1ea5t d\u1eef li\u1ec7u. H\u1ec7 th\u1ed1ng RAID5 r\u1ea5t \u0111\u1eaft ti\u1ec1n, c\u00f3 th\u1ec3 gi\u00e1 t\u0103ng g\u1ea5p 3 -5 l\u1ea7n b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p style=\"text-align: justify;\">M\u1ed9t DVR non PC th\u00ec \u201cc\u1ed1 \u0111\u1ecbnh\u201d v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng c\u00e1c k\u00eanh. V\u00ec b\u1ea1n s\u1eed d\u1ee5ng m\u1ed9t PC c\u00f3 c\u1eafm DVR card. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch d\u00f9ng c\u1eafm th\u00eam Card DVR v\u00e0o m\u00e1y nh\u01b0ng s\u1ed1 khe c\u1eafm tr\u00ean m\u1ed7i m\u00e1y t\u00ednh c\u0169ng l\u00e0 c\u1ed1 \u0111\u1ecbnh. Ho\u1eb7c d\u00f9ng th\u00eam m\u1ed9t m\u00e1y kh\u00e1c, ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n kh\u00e1c.<\/p>\n<p style=\"text-align: justify;\">Trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, DVR \u0111\u00f3ng h\u1ed9p c\u00f3 th\u1ec3 t\u1ed1t h\u01a1n. C\u00e1c PC truy\u1ec1n th\u1ed1ng r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 b\u1ee5i b\u1ea9n, s\u00f3ng Viba, v.v.v<\/p>\n<hr \/>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\">\u00a0Xem th\u00eam:<\/p>\n<ul>\n<li style=\"text-align: justify;\"><a href=\"http:\/\/codienlanh.com\/kien-thuc-co-ban-ve-he-thong-camera-giam-sat\/\">Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 h\u1ec7 th\u1ed1ng camera gi\u00e1m s\u00e1t.<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"http:\/\/codienlanh.com\/tong-quan-ve-he-thong-dien-nhe\/\">T\u1ed5ng quan v\u1ec1 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u1eb9.<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"http:\/\/codienlanh.com\/tim-hieu-ve-he-thong-hoi-nghi-truyen-hinh\/\">T\u00ecm hi\u1ec3u v\u1ec1 h\u1ec7 th\u1ed1ng h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh.<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"http:\/\/codienlanh.com\/nha-thong-minh-smart-home-la-gi\/\">Nh\u00e0 th\u00f4ng minh (Smart home) l\u00e0 g\u00ec?<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"http:\/\/codienlanh.com\/nhung-dieu-co-ban-ve-he-thong-bms\/\">Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 h\u1ec7 th\u1ed1ng BMS.<\/a><\/li>\n<\/ul>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng h\u1ee3p c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Camera ch\u00fang ta c\u1ea7n bi\u1ebft \u0111\u1ebfn khi l\u1ef1a ch\u1ecdn m\u1ed9t camera ch\u1ea5t l\u01b0\u1ee3ng, th\u00f4ng s\u1ed1 \u0111\u1ea3m b\u1ea3o \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u1ec1 v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t, ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh, \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng v\u00e0 ngu\u1ed3n \u0111i\u1ec7n cung c\u1ea5p. I. Camera Indoor, Outdoor. Indoor: Camera \u0111\u1eb7t trong<\/p>\n","protected":false},"author":1,"featured_media":1510,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,20],"tags":[584,31,586,32,585,583],"class_list":["post-1508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-ky-thuat","tag-chat-luong-camera","tag-he-thong-an-ninh","tag-he-thong-bao-ve","tag-he-thong-camera","tag-he-thong-giam-sat","tag-thong-so-ky-thuat-camera"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Camera c\u1ea7n bi\u1ebft \u0111\u1ebfn - C\u00f4ng ty C\u01a1 \u0110i\u1ec7n L\u1ea1nh Tu\u1ed5i Tr\u1ebb (YOCO M&amp;E)<\/title>\n<meta name=\"description\" content=\"T\u1ed5ng h\u1ee3p c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Camera ch\u00fang ta c\u1ea7n bi\u1ebft \u0111\u1ebfn khi l\u1ef1a ch\u1ecdn m\u1ed9t camera ch\u1ea5t l\u01b0\u1ee3ng, th\u00f4ng s\u1ed1 \u0111\u1ea3m b\u1ea3o \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/codienlanh.com\/thong-so-ky-thuat-camera-can-biet-den\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Camera c\u1ea7n bi\u1ebft \u0111\u1ebfn - 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