fax

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fax:

see facsimilefacsimile
or fax,
in communications, system for transmitting pictures or other graphic matter by wire or radio. Facsimile is used to transmit such materials as documents, telegrams, drawings, pictures taken from satellites, and even entire newspapers.
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fax

[faks]
(communications)

fax

fax

(FACSimile) Originally called "telecopying," it is the communication of a printed page between remote locations. Fax machines scan a paper form and transmit a coded image over the telephone system. The receiving machine prints a copy (a facsimile) of the original. A fax machine is made up of a scanner, printer and modem with fax signaling.

Group 1, 2, 3 and 4
Fax standards were developed starting in 1968 and are classified by Groups. Groups 1 and 2, used until the late 1980s, transmitted a page in six and three minutes respectively. Group 3 transmits at less than one minute per page and uses data compression at 9,600 bps. The Group 3 speed increase led to the extraordinary rise in usage in the late 1980s. Group 3 resolutions are 203x98 dpi in standard mode, 203x196 in fine mode and 203x392 in super fine mode.

Group 3 is the common standard, but Group 4 machines can transmit a page in just a few seconds and provide up to 400x400 resolution. Group 4 requires 56 to 64 Kbps bandwidth and needs ISDN, Switched 56 circuits or DSL lines. See fax/modem, Internet faxing and e-mail.


A Different Kind of Fax Machine
This earlier portable fax machine from Reflection Technology weighed eight ounces, worked with most cellphones and stored 25 fax pages. Its virtual display simulated a 12" monitor, and its "virtual keyboard" (lever and buttons on top) let you select menu options. (Image courtesy of Reflection Technology, Inc.)
References in periodicals archive ?
In addition to mailbox rentals, Hare says his business offers services such as telephone messages, copying, facsimile transmissions and instant passport photos.
Another early customer is Canon, using the ISDN link for Group 4 facsimile transmissions.
Facsimile transmissions that took six minutes per page to complete over ordinary telephone lines in 1966 can now be done in less than a minute.
Facsimile transmissions of bidding documents will not be accepted.
The tender offer is not being made, directly or indirectly, in or into the United States, or by the use of the mails, or by any other means or instrumentality (including, but not limited to, telephones, telexes, facsimile transmissions, e-mails and internet communications) of interstate or foreign commerce, or by any facility of a national securities exchange of the United States of America.
PJI] over claims the company sent facsimile transmissions to individuals and businesses without their express permission between October 5, 1997 to the present.
E[acute accent]Loads are tendered via Internet accessible screens, E-mail or Facsimile transmissions (based on each carrier's specific profile).
Customers in many sectors including Finance, Insurance, Telecommunications, Legal and Healthcare rely on FACSys to quickly and securely deliver and receive their facsimile transmissions while increasing organizational efficiency.