{"id":1475,"date":"2015-02-16T09:20:19","date_gmt":"2015-02-16T09:20:19","guid":{"rendered":"http:\/\/codienlanh.com\/?p=1475"},"modified":"2015-02-16T09:21:58","modified_gmt":"2015-02-16T09:21:58","slug":"kien-thuc-co-ban-ve-he-thong-camera-giam-sat","status":"publish","type":"post","link":"https:\/\/codienlanh.com\/en\/kien-thuc-co-ban-ve-he-thong-camera-giam-sat\/","title":{"rendered":"Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 h\u1ec7 th\u1ed1ng camera gi\u00e1m s\u00e1t"},"content":{"rendered":"<p><\/p>\n<p style=\"text-align: justify;\"><strong>B\u1ea1n \u0111\u00e3 t\u1eebng s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc Camera v\u00e0 b\u1ea1n kh\u00f4ng bi\u1ebft n\u00f3 l\u00e0 lo\u1ea1i Camera nh\u01b0 th\u1ebf n\u00e0o, t\u1ed1t hay kh\u00f4ng t\u1ed1t? Hay b\u1ea1n ch\u01b0a t\u1eebng bi\u1ebft g\u00ec v\u1ec1 <em>h\u1ec7 th\u1ed1ng Camera gi\u00e1m s\u00e1t<\/em>? V\u00e0 b\u1ea1n \u0111ang b\u0103n kho\u0103n kh\u00f4ng bi\u1ebft n\u00ean ch\u1ecdn lo\u1ea1i Camera n\u00e0o cho ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch c\u1ee7a b\u1ea1n. \u0110i\u1ec1u \u0111\u00f3 kh\u00f4ng quan tr\u1ecdng, b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y \u1edf t\u00e0i li\u1ec7u n\u00e0y nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n nh\u1ea5t v\u1ec1 Camera c\u0169ng nh\u01b0 nh\u1eefng l\u1eddi khuy\u00ean b\u1ed5 \u00edch cho vi\u1ec7c ch\u1ecdn l\u1ef1a lo\u1ea1i Camera th\u00edch h\u1ee3p. YOCO M&amp;E mong r\u1eb1ng b\u1ea1n s\u1ebd t\u00ecm \u0111\u01b0\u1ee3c c\u00e2u tr\u1ea3 l\u1eddi.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Kh\u00e1i ni\u1ec7m \u0111\u1ea7u ti\u00ean: Camera l\u00e0 g\u00ec?<\/strong><\/p>\n<p style=\"text-align: justify;\">Theo m\u1ed9t \u0111\u1ecbnh ngh\u0129a \u0111\u01a1n gi\u1ea3n nh\u1ea5t th\u00ec Camera l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ghi h\u00ecnh. V\u1edbi m\u1ed9t chi\u1ebfc Camera, b\u1ea1n c\u00f3 th\u1ec3 ghi l\u1ea1i \u0111\u01b0\u1ee3c nh\u1eefng h\u00ecnh \u1ea3nh trong m\u1ed9t kho\u1ea3ng th\u1eddi gian n\u00e0o \u0111\u00f3, l\u01b0u tr\u1eef v\u00e0 sau \u0111\u00f3 b\u1ea1n xem l\u1ea1i b\u1ea5t c\u1ee9 khi n\u00e0o b\u1ea1n mu\u1ed1n.<\/p>\n<p style=\"text-align: justify;\">V\u1edbi ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n l\u00e0 ghi h\u00ecnh, Camera \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c gi\u00e1m s\u00e1t. M\u1ed9t h\u1ec7 th\u1ed1ng c\u00e1c Camera \u0111\u1eb7t t\u1ea1i nh\u1eefng v\u1ecb tr\u00ed th\u00edch h\u1ee3p s\u1ebd cho ph\u00e9p b\u1ea1n quan s\u00e1t, theo d\u00f5i to\u00e0n b\u1ed9 ng\u00f4i nh\u00e0, nh\u00e0 m\u00e1y, x\u00ed nghi\u1ec7p hay nh\u1eefng n\u01a1i b\u1ea1n mu\u1ed1n quan s\u00e1t, ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng c\u00f3 m\u1eb7t tr\u1ef1c ti\u1ebfp t\u1ea1i \u0111\u00f3.<\/p>\n<p style=\"text-align: justify;\">B\u1ea1n \u0111ang c\u00f4ng t\u00e1c \u1edf M\u1ef9, v\u00e0 b\u1ed7ng d\u01b0ng th\u1ea5y nh\u1edb c\u0103n nh\u00e0 v\u00e0 nh\u1eefng \u0111\u1ee9a con th\u00e2n y\u00eau c\u1ee7a b\u1ea1n, b\u1ea1n mu\u1ed1n th\u1ea5y c\u1ea3nh ch\u00fang \u0111ang ch\u01a1i \u0111\u00f9a, ch\u1ea1y nh\u1ea3y, r\u1ea5t \u0111\u01a1n gi\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n v\u00e0o m\u1ea1ng Internet, v\u1edbi v\u00e0i c\u00e1i click chu\u1ed9t, th\u1ebf l\u00e0 to\u00e0n c\u1ea3nh ng\u00f4i nh\u00e0 hi\u1ec7n l\u00ean, tho\u1ea3 m\u00e3n n\u1ed7i nh\u1edb nhung c\u1ee7a b\u1ea1n. \u0110i\u1ec1u \u0111\u00f3 th\u1eadt \u0111\u01a1n gi\u1ea3n.<\/p>\n<p style=\"text-align: justify;\"><strong>B\u1ea1n c\u1ea7n nh\u1eefng g\u00ec \u0111\u1ec3 th\u1ef1c hi\u1ec7n mong mu\u1ed1n \u0111\u00f3?<\/strong><\/p>\n<p style=\"text-align: justify;\">M\u1ed9t v\u00e0i chi\u1ebfc Camera, m\u1ed9t b\u1ed9 ghi h\u00ecnh k\u0129 thu\u1eadt s\u1ed1, v\u00e0 m\u1ea1ng Internet. V\u00e0 c\u00f3 th\u1ec3 c\u00f2n \u0111\u01a1n gi\u1ea3n h\u01a1n n\u1ebfu b\u1ea1n d\u00f9ng lo\u1ea1i Camera m\u1ea1ng (Camera IP), khi \u0111\u00f3 th\u00ec b\u1ea1n ch\u1ec9 c\u1ea7n c\u00f3 2 th\u1ee9 l\u00e0 Camera v\u00e0 m\u1ea1ng.<\/p>\n<p style=\"text-align: justify;\"><strong>Ch\u00fang t\u00f4i g\u1ecdi \u0111\u00f3 l\u00e0 m\u1ed9t <em>h\u1ec7 th\u1ed1ng camera gi\u00e1m s\u00e1t<\/em>.<\/strong><\/p>\n<p><a href=\"http:\/\/codienlanh.com\/wp-content\/uploads\/2015\/02\/ki\u1ebfn-th\u1ee9c-c\u01a1-b\u1ea3n-nh\u1ea5t-v\u1ec1-h\u1ec7-th\u1ed1ng-Camera.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1476\" src=\"http:\/\/codienlanh.com\/wp-content\/uploads\/2015\/02\/ki\u1ebfn-th\u1ee9c-c\u01a1-b\u1ea3n-nh\u1ea5t-v\u1ec1-h\u1ec7-th\u1ed1ng-Camera.gif\" alt=\"h\u1ec7 th\u1ed1ng Camera gi\u00e1m s\u00e1t , he thong camera giam sat\" width=\"500\" height=\"500\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><strong>I. Ph\u00e2n lo\u1ea1i Camera:<\/strong><\/p>\n<p style=\"text-align: justify;\">B\u1ea1n c\u1ea7n Camera v\u00e0o m\u1ee5c \u0111\u00edch gi ? Ch\u00fang t\u00f4i s\u1ebd t\u01b0 v\u1ea5n gi\u00fap b\u1ea1n ch\u1ecdn lo\u1ea1i Camera cho ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch c\u1ee7a b\u1ea1n. Xin hay theo d\u00f5i ph\u1ea7n d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u00e2u l\u00e0 Camera b\u1ea1n mu\u1ed1n.<\/p>\n<p style=\"text-align: justify;\"><strong>\u0110\u1eb7c \u0111i\u1ec3m:<\/strong><\/p>\n<p style=\"text-align: justify;\">M\u1ed7i Camera th\u01b0\u1eddng c\u00f3 3 d\u00e2y:<\/p>\n<ul style=\"text-align: justify;\">\n<li>T\u00edn hi\u1ec7u h\u00ecnh.<\/li>\n<li>RS485.<\/li>\n<li>D\u00e2y c\u1ea5p ngu\u1ed3n.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">C\u00f3 3 c\u00e1ch ph\u00e2n lo\u1ea1i Camera:<\/p>\n<ul style=\"text-align: justify;\">\n<li>Ph\u00e2n lo\u1ea1i theo k\u0129 thu\u1eadt h\u00ecnh \u1ea3nh.<\/li>\n<li>Ph\u00e2n lo\u1ea1i theo \u0111\u01b0\u1eddng truy\u1ec1n.<\/li>\n<li>Ph\u00e2n lo\u1ea1i theo t\u00ednh n\u0103ng s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong style=\"line-height: 1.714285714; font-size: 1rem;\">1. Ph\u00e2n lo\u1ea1i theo k\u0129 thu\u1eadt h\u00ecnh \u1ea3nh:<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Camera Analog:<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\">Ghi h\u00ecnh b\u0103ng t\u1eeb x\u1eed l\u00fd t\u00edn hi\u1ec7u analog, x\u1eed l\u00fd t\u00edn hi\u1ec7u m\u00e0u vector m\u00e0u, lo\u1ea1i Camera n\u00e0y hi\u1ec7n nay \u00edt d\u00f9ng.<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Camera CCD (Charge Couple Device) (100% s\u1ed1):<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\">Camera CCD s\u1eed d\u1ee5ng k\u0129 thu\u1eadt CCD \u0111\u1ec3 nh\u1eadn bi\u1ebft h\u00ecnh \u1ea3nh. CCD l\u00e0 t\u1eadp h\u1ee3p nh\u1eefng \u00f4 t\u00edch \u0111i\u1ec7n c\u00f3 th\u1ec3 c\u1ea3m nh\u1eadn \u00e1nh s\u00e1ng sau \u0111\u00f3 chuy\u1ec3n t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng sang t\u00edn hi\u1ec7u s\u1ed1 \u0111\u1ec3 \u0111\u01b0a v\u00e0o c\u00e1c b\u1ed9 x\u1eed l\u00fd. Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a CCD c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<p style=\"padding-left: 30px; text-align: justify;\">CCD thu nh\u1eadn nh\u1eefng h\u00ecnh \u1ea3nh th\u00f4ng qua c\u00e1c h\u1ec7 th\u1ed1ng th\u1ea5u k\u00ednh c\u1ee7a Camera. CCD c\u00f3 h\u00e0ng ng\u00e0n nh\u1eefng \u0111i\u1ec3m \u1ea3nh s\u1ebd chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng th\u00e0nh nh\u1eefng h\u1ea1t \u0111i\u1ec7n t\u00edch v\u00e0 \u0111\u01b0\u1ee3c s\u1ed1 ho\u00e1. \u0110\u00e2y l\u00e0 m\u1ed9t q\u00faa tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u01b0\u01a1ng t\u1ef1 s\u1ed1.<\/p>\n<p style=\"padding-left: 30px; text-align: justify;\">C\u00e1c th\u00f4ng s\u1ed1 k\u0129 thu\u1eadt c\u1ee7a Camera CCD l\u00e0 \u0111\u01b0\u1eddng ch\u00e9o m\u00e0n h\u00ecnh c\u1ea3m bi\u1ebfn (t\u00ednh b\u1eb1ng inch ). 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. (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, v\u00ec 1\/3 &gt; 1\/4). Hi\u1ec7n nay ch\u1ec9 c\u00f3 2 h\u00e3ng s\u1ea3n xu\u1ea5t m\u00e0n h\u00ecnh c\u1ea3m bi\u1ebfn l\u00e0 Sony v\u00e0 Sharp. Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a Sharp k\u00e9m h\u01a1n ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a Sony.<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Camera CMOS (complementary metal oxide semiconductor).<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\">CMOS c\u00f3 ngh\u0129a l\u00e0 ch\u1ea5t b\u00e1n d\u1eabn c\u00f3 b\u1ed5 sung oxit kim lo\u1ea1i. C\u00e1c lo\u1ea1i Camera s\u1ed1 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 CMOS. C\u00e1c Camera s\u1ed1 th\u01b0\u01a1ng m\u1ea1i s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 CMOS th\u00ec ch\u01b0a \u0111\u1ee7 kh\u1ea3 n\u0103ng cung c\u1ea5p trong th\u1eddi \u0111i\u1ec3m n\u00e0y khi so s\u00e1nh ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh v\u1edbi Camera CCD. C\u00e1c Camera th\u01b0\u01a1ng m\u1ea1i d\u00f9ng c\u00f4ng ngh\u1ec7 CMOS c\u00f3 gi\u00e1 th\u00e0nh kho\u1ea3ng 500 USD \u0111\u1ebfn 50000 USD.\u00a0<br \/> C\u00e1c Camera s\u1ed1 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 CMOS v\u00e0 CCD c\u00f3 \u01b0u \u0111i\u1ec3m r\u1ea5t r\u00f5 r\u1ec7t so v\u1edbi Camera analog v\u1ec1 \u0111\u1ed9 r\u00f5 n\u00e9t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh.<\/p>\n<p style=\"text-align: justify;\"><strong style=\"line-height: 1.714285714; font-size: 1rem;\">2. Ph\u00e2n lo\u1ea1i theo k\u0129 thu\u1eadt \u0111\u01b0\u1eddng truy\u1ec1n:<\/strong><\/p>\n<p style=\"text-align: justify;\">(C\u00f3 3 lo\u1ea1i:Camera c\u00f3 d\u00e2y, Camera kh\u00f4ng d\u00e2y, IP Camera (Camera m\u1ea1ng)<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Camera c\u00f3 d\u00e2y.<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\">Camera c\u00f3 d\u00e2y c\u00f3 \u01b0u \u0111i\u1ec3m \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng an to\u00e0n cao, t\u00ednh b\u1ea3o m\u1eadt t\u1ed1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, truy\u1ec1n t\u00edn hi\u1ec7u tr\u00ean d\u00e2y c\u00e1p \u0111\u1ed3ng tr\u1ee5c kho\u1ea3ng 75ohm -1Vpp, d\u00e2y C5. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 an to\u00e0n, ch\u00fang t\u00f4i c\u0169ng khuy\u1ebfn kh\u00edch c\u00e1c b\u1ea1n n\u00ean d\u00f9ng lo\u1ea1i Camera c\u00f3 d\u00e2y, ngo\u1ea1i tr\u1eeb nh\u1eefng tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t kh\u00e1c.Ch\u00fa \u00fd r\u1eb1ng khi truy\u1ec1n v\u1edbi kho\u1ea3ng c\u00e1ch xa 300m th\u00ec c\u1ea7n c\u00f3 b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u0111\u1ec3 tr\u00e1nh vi\u1ec7c t\u00edn hi\u1ec7u \u0111\u01b0\u1eddng truy\u1ec1n suy hao, d\u1eabn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh kh\u00f4ng t\u1ed1t.<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Camera kh\u00f4ng d\u00e2y.<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\">Gi\u1ed1ng nh\u01b0 t\u00ean g\u1ecdi, c\u00e1c Camera n\u00e0y \u0111\u1ec1u kh\u00f4ng c\u00f3 d\u00e2y. Nh\u01b0ng r\u1ea5t ti\u1ebfc l\u00e0 c\u0169ng kh\u00f4ng ho\u00e0n to\u00e0n nh\u01b0 v\u1eady.C\u00e1c Camera n\u00e0y v\u1eabn c\u1ea7n thi\u1ebft ph\u1ea3i c\u00f3 d\u00e2y ngu\u1ed3n. C\u00e1c lo\u1ea1i Camera kh\u00f4ng d\u00e2y c\u00f3 \u01b0u \u0111i\u1ec3m \u0111\u00f3 l\u00e0 d\u1ec5 thi c\u00f4ng l\u1eafp \u0111\u1eb7t do kh\u00f4ng c\u1ea7n \u0111i d\u00e2y, tuy nhi\u00ean Camera c\u00f3 h\u1ec7 s\u1ed1 an to\u00e0n kh\u00f4ng cao C\u00f3 1 s\u1ed1 v\u1ea5n \u0111\u1ec1 c\u1ea7n quan t\u00e2m \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb kh\u00f4ng d\u00e2y. \u0110\u00f3 l\u00e0 t\u1ea7n s\u1ed1 b\u1ea1n s\u1eed d\u1ee5ng.Camera kh\u00f4ng d\u00e2y s\u1eed d\u1ee5ng s\u00f3ng v\u00f4 tuy\u1ebfn RF \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u th\u01b0\u1eddng t\u1ea7n s\u1ed1 dao \u0111\u1ed9ng t\u1eeb 1,2 \u0111\u1ebfn 2,4MHZ. Camera kh\u00f4ng d\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi l\u1eafp \u0111\u1eb7t t\u1ea1i c\u00e1c khu v\u1ef1c \u0111\u1ecba h\u00ecnh ph\u1ee9c t\u1ea1p kh\u00f3 \u0111i d\u00e2y t\u1eeb Camera \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb quan s\u00e1t, v\u00ed d\u1ee5 nh\u01b0 c\u00e1c ng\u00f4i nh\u00e0 c\u00f3 nhi\u1ec1u t\u01b0\u1eddng ch\u1eafn.<\/p>\n<p style=\"padding-left: 30px; text-align: justify;\">\u0110\u1ed1i v\u1edbi kho\u1ea3ng c\u00e1ch xa h\u00e0ng ng\u00e0n m\u00e9t ch\u00fang ta c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng nh\u1eefng thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 cao v\u00e0 gi\u00e1 th\u00e0nh kh\u00e1 \u0111\u1eaft.<\/p>\n<p style=\"padding-left: 30px; text-align: justify;\">Vi\u1ec7c s\u1eed d\u1ee5ng Camera kh\u00f4ng d\u00e2y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 kh\u00f4ng an to\u00e0n d\u1ec5 b\u1ecb b\u1eaft s\u00f3ng ho\u1eb7c b\u1ecb \u1ea3nh h\u01b0\u1edfng nhi\u1ec5u tr\u01b0\u1edbc c\u00e1c ngu\u1ed3n s\u00f3ng kh\u00e1c nh\u01b0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng.<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>IP Camera (Camera m\u1ea1ng)<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\">Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, IP Camera \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u00e0o m\u1ea1ng, t\u00edn hi\u1ec7u h\u00ecnh \u1ea3nh v\u00e0 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ea1ng.V\u1edbi Camera IP ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n v\u00e0 gi\u00e1m s\u00e1t \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u th\u00f4ng qua m\u1ea1ng internet.<\/p>\n<p style=\"text-align: justify;\"><strong>3. Ph\u00e2n lo\u1ea1i theo t\u00ednh n\u0103ng s\u1eed d\u1ee5ng<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Dome Camera (Camera \u00e1p tr\u1ea7n).<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\">Camera c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau. \u0110\u00e2y l\u00e0 lo\u1ea1i Camera th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong nh\u00e0, ki\u1ec3u d\u00e1ng r\u1ea5t trang nh\u00e3. Camera n\u00e0y c\u00f3 t\u00ednh n\u0103ng b\u1ea3o m\u1eadt cao do \u0111\u01b0\u1ee3c b\u1ecdc trong h\u1ed9p k\u00edn.<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Camera \u1ea9n.<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\">Gi\u1ed1ng nh\u01b0 t\u00ean g\u1ecdi, Camera n\u00e0y kh\u00f4ng th\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c. N\u00f3 c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau, c\u00f3 th\u1ec3 ng\u1ee5y trang v\u00e0 tr\u00e1nh b\u1ecb ph\u00e1t hi\u1ec7n.<\/p>\n<p style=\"padding-left: 30px; text-align: justify;\">Tuy nhi\u00ean khi s\u1eed d\u1ee5ng lo\u1ea1i Camera n\u00e0y b\u1ea1n c\u1ea7n ph\u1ea3i \u0111\u1ea3m b\u1ea3o t\u00ednh h\u1ee3p ph\u00e1p khi s\u1eed d\u1ee5ng. \u1ede m\u1ed9t s\u1ed1 n\u01a1i nh\u01b0 New York vi\u1ec7c s\u1eed d\u1ee5ng Camera \u1ea9n \u0111\u01b0\u1ee3c coi l\u00e0 b\u1ea5t h\u1ee3p ph\u00e1p.C\u00e1c Camera n\u00e0y c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n kh\u00f3i. M\u1ed9t s\u1ed1 c\u00e1c c\u00f4ng ty hi\u1ec7n nay c\u0169ng \u0111\u00e3 b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng nh\u1eefng h\u1ec7 th\u1ed1ng Camera tr\u1edf th\u00e0nh c\u00e1c thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n kh\u00f3i.<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Box Camera.<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\">\u0110\u00e2y l\u00e0 lo\u1ea1i Camera truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c v\u0103n ph\u00f2ng si\u00eau th\u1ecb. \u0110\u00e2y l\u00e0 lo\u1ea1i Camera gi\u00e1 th\u00e0nh r\u1ebb tuy nhi\u00ean th\u1eddi \u0111i\u1ec3m n\u00e0y \u00edt d\u00f9ng. Camera \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 trong h\u1ed9p \u0111\u1ec3 b\u1ea3o v\u1ec7 tr\u01b0\u1edbc t\u00e1c \u0111\u1ed9ng ph\u00e1 ho\u1ea1i hay \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng.<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Camera PTZ<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\"><em>Pan: qu\u00e9t ngang<\/em><\/p>\n<p style=\"padding-left: 30px; text-align: justify;\"><em>Tilt: qu\u00e9t d\u1ecdc<\/em><\/p>\n<p style=\"padding-left: 30px; text-align: justify;\"><em>Z: Zoom (Ph\u00f3ng to)<\/em><\/p>\n<p style=\"padding-left: 30px; text-align: justify;\">Pan\/Tilt\/Zoom hay nh\u1eefng h\u1ecd t\u01b0\u01a1ng t\u1ef1 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1i t\u00ean th\u01b0\u01a1ng m\u1ea1i l\u00e0 PTZ Camera.Camera h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng qu\u00e9t d\u1ecdc, qu\u00e9t ngang,ph\u00f3ng to thu nh\u1ecf Camera n\u00e0y c\u00f2n cho ph\u00e9p b\u1ea1n k\u1ebft n\u1ed1i v\u00f3\u00ed h\u1ec7 th\u1ed1ng sensor v\u00e0 c\u1ea3nh b\u00e1o \u0111\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u1ed1i t\u01b0\u1ee3ng di chuy\u1ec3n trong v\u00f9ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. H\u01a1n n\u1eefa Camera c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng, n\u00ean n\u00f3 c\u00f3 th\u1ec3 l\u00e0m t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng vi\u1ec7c cho b\u1ea1n.<\/p>\n<ul>\n<li><strong>IR Camera v\u00e0 Exview (Camera c\u00f3 kh\u1ea3 n\u0103ng quan s\u00e1t \u0111\u00eam)<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 30px; text-align: justify;\">Kho\u1ea3ng c\u00e1ch quan s\u00e1t c\u1ee7a Camera ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng su\u1ea5t c\u1ee7a \u0111\u00e8n h\u1ed3ng ngo\u1ea1i. Kho\u1ea3ng c\u00e1ch quan s\u00e1t c\u1ee7a Camera dao \u0111\u1ed9ng kho\u1ea3ng 10m \u0111\u1ebfn 300m.<\/p>\n<p style=\"padding-left: 30px; text-align: justify;\">Camera IR c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c trong \u0111i\u1ec1u ki\u1ec7n t\u1ed1i 100%<\/p>\n<p style=\"padding-left: 30px; text-align: justify;\">Camera Exview: M\u00e0n h\u00ecnh t\u1ef1 \u0111\u1ed9ng khu\u1ebfch \u0111\u1ea1i \u00e1nh s\u00e1ng l\u00e0m r\u00f5 h\u00ecnh \u1ea3nh khi \u00e1nh s\u00e1ng t\u1ed1i, tuy nhi\u00ean t\u1ed1i 100% s\u1ebd kh\u00f4ng quay \u0111\u01b0\u1ee3c.<\/p>\n<hr \/>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\">Xem th\u00eam:<\/p>\n<ul>\n<li style=\"text-align: justify;\"><a href=\"http:\/\/codienlanh.com\/he-thong-am-thanh-cong-cong-pa-la-gi\/\">H\u1ec7 th\u1ed1ng \u00e2m thanh c\u00f4ng c\u1ed9ng PA l\u00e0 g\u00ec?<\/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\/chong-set-va-he-thong-tiep-dat-chong-set\/\">Ch\u1ed1ng s\u00e9t v\u00e0 h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ea5t ch\u1ed1ng s\u00e9t.<\/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\u01a1 b\u1ea3n v\u1ec1 h\u1ec7 th\u1ed1ng BMS.<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"http:\/\/codienlanh.com\/he-thong-dien-thong-minh\/\">H\u1ec7 th\u1ed1ng \u0111i\u1ec7n th\u00f4ng minh.<\/a><\/li>\n<\/ul>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n \u0111\u00e3 t\u1eebng s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc Camera v\u00e0 b\u1ea1n kh\u00f4ng bi\u1ebft n\u00f3 l\u00e0 lo\u1ea1i Camera nh\u01b0 th\u1ebf n\u00e0o, t\u1ed1t hay kh\u00f4ng t\u1ed1t? Hay b\u1ea1n ch\u01b0a t\u1eebng bi\u1ebft g\u00ec v\u1ec1 h\u1ec7 th\u1ed1ng Camera gi\u00e1m s\u00e1t? V\u00e0 b\u1ea1n \u0111ang b\u0103n kho\u0103n kh\u00f4ng bi\u1ebft n\u00ean ch\u1ecdn lo\u1ea1i Camera n\u00e0o cho ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"author":1,"featured_media":1477,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,20],"tags":[31,569,33,570,571],"class_list":["post-1475","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-ky-thuat","tag-he-thong-an-ninh","tag-he-thong-camera-giam-sat","tag-he-thong-chong-trom","tag-he-thong-ghi-hinh","tag-thiet-bi-ghi-hinh"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 h\u1ec7 th\u1ed1ng camera gi\u00e1m s\u00e1t - C\u00f4ng ty C\u01a1 \u0110i\u1ec7n L\u1ea1nh Tu\u1ed5i Tr\u1ebb (YOCO M&amp;E)<\/title>\n<meta name=\"description\" content=\"B\u1ea1n t\u1eebng s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc Camera v\u00e0 b\u1ea1n kh\u00f4ng bi\u1ebft n\u00f3 l\u00e0 lo\u1ea1i Camera nh\u01b0 th\u1ebf n\u00e0o, t\u1ed1t hay kh\u00f4ng t\u1ed1t? Hay b\u1ea1n ch\u01b0a t\u1eebng bi\u1ebft g\u00ec v\u1ec1 h\u1ec7 th\u1ed1ng Camera gi\u00e1m s\u00e1t?\" \/>\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\/kien-thuc-co-ban-ve-he-thong-camera-giam-sat\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 h\u1ec7 th\u1ed1ng camera gi\u00e1m s\u00e1t - C\u00f4ng ty C\u01a1 \u0110i\u1ec7n L\u1ea1nh Tu\u1ed5i Tr\u1ebb (YOCO M&amp;E)\" \/>\n<meta property=\"og:description\" content=\"B\u1ea1n t\u1eebng s\u1edf h\u1eefu m\u1ed9t chi\u1ebfc Camera v\u00e0 b\u1ea1n kh\u00f4ng bi\u1ebft n\u00f3 l\u00e0 lo\u1ea1i Camera nh\u01b0 th\u1ebf n\u00e0o, t\u1ed1t hay kh\u00f4ng t\u1ed1t? 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