What is the concept aft fax electrical device? in vocabulary of transmitting and receiving.
in vocabulary of transmitting and receiving.
Answers: the prime concept (not getting into the highly logical aspect of baud rate, compression, etc - since they are fairly precise & actually terribly similar to old style computer modems communications) is remarkably simple & has be around for a very long time. essentially, the belief is the same as what you own for television broadcast, though much simpler surrounded by terms of reslolution & obviously color depth (assuming you're high tech faxing surrounded by color). if you have a scanner & a printer, you own the main pieces of a fax contraption. same as with a copier, it a short time ago lacks the ability to telephone call & send the scan image. it works close to this, it starts at the top of the page & scans it one splash at a time (for whatever resolution it's talented of & what you select at the time of faxing - for this lets enunciate you're sending 100 dpi - really not great looking but they fax really fast). the fax will call the delivery machine, & assuming it connects, handshake & says, "ok, convey your fax", the sending fax machine depending on the imager, will scan several groups of lines (perhaps 100) at a time per surpass. it will then move down the page & scan again - and again - and again - until it's complete. as it's doing this, it's sending the background for each completed go past into a buffer, then from that buffer to the reception machine. the pretext for the buffer is, if the receiver say it has received an error, the sending apparatus wont have to re-scan the page contained by order to dispatch, it will just bear the image from the buffer. at the reception end, it is printing out the lines contained by the same contrast & brightness as the background that's been sent from the sending fax. abundant faxes aren't even done with a fax device though. if you've ever called an automated fax system for a almanac or some piece of technical information, it's all done by a computer that have a library of previously scanned surrounded by documents & it uses a standard modem to call your fax apparatus (or computer) to send the fax contained by the same rage.
the whole process within its simplest terms could be thought of as one essentially the same as a single frame of video individual sent from video camera, to television eyeshade. image is scan in, & next it is "printed" out on the screen -- the fax contraption just does a single picture though instead of a nippy succession of pictures. hope this helps