Thursday, November 11, 2010

Web camera (Webcam)

A Webcam is video capture device connected to a computer or laptop or notebook .It is mainly used in ethernet services or Wi-Fi and also using a USB port.The basic features such as photo capture and video recording,Dell webcam center has a Motion Detection feature that alows us to record live video or any thing which occurs infront of the webcam,also Remote Monitiring will let you take a photo or record video at a specific time frames and it saves it in to computer or in a website very useful to parents to watch students when they stay in Foregein countries or at longer distances by viewing through webcam is possible by using Internet facility.
*To take advantage of these resolutions we will need a computer with USB 2.0 connection capabilities
*At lower resolutions,the NX-6000 performed very well .The images are clear and its easy to adjust various colour increment or decrment,zoom in or zoom out,sharpness
*The most popular use is for videotelephony,permitting a computer to acts as a videophone.It is used in messengers whie chatting we can see them live it is applicable in most of messengers of Yahoo ,live messenger and skype services.
Webcams aer known for low manufacturing costs and flexiblity making them the lowest cost form of videotelephony.The USB video device class (UVC) specification allows for interconnectivity of webcams to computers even without propritary drivers installed.Microsoft Windows XP,LINUX and MAC OSX have USB video device class rivers built in and do not require extra drivers, although they are often installed in capable of supporting additional features.It supports JPG,WMV,BMP and AVI file formats

0 comments:

Post a Comment

Twitter Delicious Facebook Digg Stumbleupon Favorites More

 
Powered by Blogger
//=(thisNum-displayPageNum-1)&&p<(thisNum+displayPageNum)){if(fFlag==0&&p==thisNum-2){if(thisNum==2){upPageHtml=''+upPageWord+''}else{upPageHtml=''+upPageWord+''}fFlag++}if(p==(thisNum-1)){html+=''+thisNum+''}else{if(p==0){html+='1'}else{html+=''+(p+1)+''}}if(eFlag==0&&p==thisNum){downPageHtml=' '+downPageWord+'';eFlag++}}}if(thisNum>1){html=''+upPageHtml+' '+html+' '}html='
Pages '+(postNum-1)+''+html;if(thisNum<(postNum-1)){html+=downPageHtml}if(postNum==1)postNum++;html+='
';var pageArea=document.getElementsByName("pageArea");var blogPager=document.getElementById("blog-pager");if(postNum<=2){html=''}for(var p=0;p0){html=''}if(blogPager){blogPager.innerHTML=html}}function showpageCount2(json){var thisUrl=home_page_url;var htmlMap=new Array();var isLablePage=thisUrl.indexOf("/search/label/")!=-1;var thisLable=isLablePage?thisUrl.substr(thisUrl.indexOf("/search/label/")+14,thisUrl.length):"";thisLable=thisLable.indexOf("?")!=-1?thisLable.substr(0,thisLable.indexOf("?")):thisLable;var thisNum=1;var postNum=1;var itemCount=0;var fFlag=0;var eFlag=0;var html='';var upPageHtml='';var downPageHtml='';var labelHtml='';var thisUrl=home_page_url;for(var i=0,post;post=json.feed.entry[i];i++){var timestamp1=post.published.$t.substring(0,19)+post.published.$t.substring(23,29);timestamp=encodeURIComponent(timestamp1);var title=post.title.$t;if(title!=''){if(itemCount==0||(itemCount%pageCount==(pageCount-1))){if(thisUrl.indexOf(timestamp)!=-1){thisNum=postNum}if(title!='')postNum++;htmlMap[htmlMap.length]='/search/label/'+thisLable+'?updated-max='+timestamp+'&max-results='+pageCount}}itemCount++}for(var p=0;p=(thisNum-displayPageNum-1)&&p<(thisNum+displayPageNum)){if(fFlag==0&&p==thisNum-2){if(thisNum==2){upPageHtml=labelHtml+upPageWord+''}else{upPageHtml=''+upPageWord+''}fFlag++}if(p==(thisNum-1)){html+=''+thisNum+''}else{if(p==0){html=labelHtml+'1'}else{html+=''+(p+1)+''}}if(eFlag==0&&p==thisNum){downPageHtml=' '+downPageWord+'';eFlag++}}}if(thisNum>1){if(!isLablePage){html=''+upPageHtml+' '+html+' '}else{html=''+upPageHtml+' '+html+' '}}html='
Pages ('+(postNum-1)+')'+html;if(thisNum<(postNum-1)){html+=downPageHtml}if(postNum==1)postNum++;html+='
';var pageArea=document.getElementsByName("pageArea");var blogPager=document.getElementById("blog-pager");if(postNum<=2){html=''}for(var p=0;p0){html=''}if(blogPager){blogPager.innerHTML=html}}var home_page_url=location.href;var thisUrl=home_page_url;if(thisUrl.indexOf("/search/label/")!=-1){if(thisUrl.indexOf("?updated-max")!=-1){var lblname1=thisUrl.substring(thisUrl.indexOf("/search/label/")+14,thisUrl.indexOf("?updated-max"))}else{var lblname1=thisUrl.substring(thisUrl.indexOf("/search/label/")+14,thisUrl.indexOf("?&max"))}}var home_page="/";if(thisUrl.indexOf("?q=")==-1){if(thisUrl.indexOf("/search/label/")==-1){document.write('