United States Patent [191
`Gordon et al.
`
`[111
`[45]
`
`l||l|llllllllllllllllllllllllllllllllllllllllllllllll||||lllllllllllllllll
`
`US005291302A
`Patent Number:
`Date of Patent:
`
`5,291,302
`Mar. 1, 1994
`
`[54] FACSIMILE TELECOMMUNICATIONS
`SYSTEM AND METHOD
`[75] Inventors: Richard J. Gordon, Los Angel'es,
`Calif; James R. Kennedy, Tucson,
`Ariz.
`
`[73] Assignee: _ Audiofax, Inc., Marietta, Ga.
`[21] Appl. No.: 955,833
`[22] Filed:
`Oct. 2, 1992
`
`[63]
`
`Related US. Application Data
`Continuation of Ser. No. 654,181, Feb. 12, 1991, aban
`doned, which is a continuation-in-part of Ser. No.
`248,798, Sep. 22, 1988, Pat. No. 4,994,926.
`
`[51] Int. Cl.5 ............................................. .. H04N 1/00
`[52] US. Cl. .................................. .. 358/400; 358/407;
`358/479; 358/402; 358/404; 358/405; 358/434;
`358/435; 358/410; 379/100; 370/61
`[58] Field of Search ............. .. 358/400, 401, 402, 403,
`358/404, 405, 407, 434, 435, 436, 438, 439, 479;
`379/100, 109; 370/61; HO4N l/OO
`References Cited
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`
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`
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`
`Primary Examiner-Edward L. Coles, Sr.
`Assistant Examiner-Jerome Grant, II
`Attorney, Agent, or Firm-—Louis T. lsaf
`[57]
`ABSTRACT
`A system and method has one or more store and for
`ward facilities, (SAFF) each associated with a plurality
`of subscriber facsimile machines. The SAFF include a
`computer for controlling operations and mass data stor
`age equipment. A subscriber to the system delivers an
`outgoing facsimile message to the SAFF with which it
`is associated, which records the fax message, together
`with data as to originating facsimile machine and desti
`nation facsimile machine. The SAFF then delivers the
`facsimile message to the intended receiver facsimile
`machine, either directly or through another SAFF. If
`unsuccessful on an initial attempt, the SAFF periodi
`cally retries to send the facsimile message' The system
`also provides spooling of all facsimile messages for an
`intended receiver machine, which are all spooled upon
`connection with the receiver machine. Subscriber mail
`boxes are provided as part of the mass storage, which
`can be accessed by a subscriber to have his messages
`delivered to any facsimile machine he designates. Se
`cure facsimile transmission is achieved through use of
`subscriber PIN numbers. Broadcasting redirecting mes
`sages and cost accounting can also be achieved by the
`system and method. After receipt of a message by the
`subscriber, the system may provide an immediate-reply
`service, allowing the recipient to immediately send out
`a message selected from a reply service menu. The
`system can also be used in cooperation with a paperless
`facsimile machine which directly displays the facsimile
`message on a screen and is capable of entering outgoing
`facsimile messages to the SAFF. The system can con
`vert the received fax message into voice mail message
`and direct the converted voice message to a voice mail
`box as instructed by the message sender or recipient.
`
`39 Claims, 10 Drawing Sheets
`
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`Google Ex. 1024, pg. 1
`
`

`

`5,291,302
`Page 2
`
`_ U.S. PATENT DOCUMENTS
`
`4,106,060 8/1978 Chapman, Jr. .................... .. 358/402
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`358/260
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`340/8253
`4,327,251 4/ 1982 Fomenko et a1.
`179/1 SM
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`.... .. 179/2 A
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`
`4,491,873 1/1985 Takayama . . . . .
`
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`
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`364/900
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`179/18 B
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`
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`57-119537 7/1982 Japan ........................... .. H04N 1/00
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`
`57-184362 11/1982 Japan . . . . .
`
`. . . .. H04N l/00
`
`57-192167 1l/l982 Japan . . . . .
`
`. . . .. H04N l/OO
`
`58-138148 8/1983 Japan . . . . .
`
`. . . .. H04N 1/00
`
`58-138162 8/1983 Japan . . . . .
`
`. . . .. H04N 1/00
`
`58-165452 9/1983 Japan . . . . .
`
`. . . .. H04N l/OO
`
`58-175342 10/1983 Japan
`
`0186253 10/1983 Japan . . . . .
`
`59-27664 2/ 1984 Japan
`
`59-30352 2/ 1984 Japan . . . . .
`59-99846 6/1984 Japan .................. ..
`59-117845 7/1984 Japan .................. ..
`
`H04N l/32
`
`. . . . . .. 358/403
`
`H04N l/00
`
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`H04N l/OO
`H04N l/OO
`
`0196647 1l/l984 Japan . . . . .
`. . . . . .. 358/402
`59-214365 12/1984 Japan .......................... .. H04M 3/42
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`
`Google Ex. 1024, pg. 2
`
`

`

`5,291,302
`Page 3
`
`US. PATENT DOCUMENTS
`4,581,656 4/1986 Wada ................................ .. 358/438
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`
`4,713,837 12/1987 Gordon . . . . .
`
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`
`379/93
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`
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`
`59-214366 12/1984 Japan ................................. .. 379/100
`59-231964 12/1984 Japan
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`60-46647 3/1985 Japan
`. 379/100
`0081963 5/1985 Japan
`358/402
`
`0093875 5/1985 Japan . . . . .
`
`60-96945 5/1985 Japan
`
`60-119161 6/1985 Japan . . . . .
`
`60419164 6/1985 Japan
`60-134554 7/1985 Japan
`60-134656 7/1985 Japan
`
`. . . . . .. 358/434
`
`H04N l/OO
`
`. . . . . . . .. 379/88
`
`379/100
`379/100
`.
`H04M 3/42
`
`60-178765 9/1985 Japan . . . . .
`
`. . . .. H04N l/OO
`
`60-197059 10/1985 Japan . . . . .
`. . . . . .. 379/100
`60-248057 12/1985 Japan ................................. .. 379/100
`61-13727 l/l986 Japan .
`0013727 l/l986
`59-13371] 1/1986
`61-60060 3/1986
`63-133753 6/1986
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`“Design for Facsimile Storage and Conversion Process
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`1985.
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`Terminal Connection”, Computer Design, Feb. 1984,
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`tems”, Telecommunications Sep. 1984, pp. 64g-64k,
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`Inbound-Outbound, “Special Request by Spectrafax”,
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`Jack Lesar, “Making Databases Available to Computer
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`Cara Chang Mutert, “Just The Fax, Ma’am”, Business
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`Masao Setoguchi, “Facsimile Data Converter Applied
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`
`Google Ex. 1024, pg. 3
`
`

`

`5,291,302
`Page 4
`
`US. PATENT DOCUMENTS
`
`4,769,719 9/1988 Endo ................................. .. 358/296
`4,837,798 6/1989 Cohen et a1. .
`.... .. 379/88
`
`. . . . .. 379/88
`4,847,891 7/ 1989 Kotani . . . . . . . . . .
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`379/100
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`.. 379/89
`5,003,575 3/1991 Chamberlin et a1.
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`358/400
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`5,136,634 8/1992 Rae et _a1. .......................... .. 379/100
`
`FOREIGN PATENT DOCUMENTS
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`62-53545 3/1987 Japan
`.. H04N 1/00
`62-132464 6/1987 Japan
`...... .. 379/100
`62-135061 6/1987 Japan ........................... .. I-IO4N 1/00
`0141847 6/1987 Japan .
`62-141849 6/1987 Japan ........................... .. H04N 1/00
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`63-105541 5/1988 Japan .
`0187941 8/1988 Japan ............................... .. 358/402
`
`0221736 9/1988 Japan . . . . . .
`
`0290041 ll/1988 Japan
`
`. . . . . . .. 358/400
`
`l-l04N/1/100
`
`. . . . . . .. 379/100
`64-12657 1/1989 Japan . . . . . .
`358/400
`0073942 3/1989 Japan .... ..
`...... .. 358/400
`0112856 5/1989 Japan ..
`H04L/ll/20
`1258526 10/1989 Japan ..
`...... .. 358/402
`(B05658 1/1990 Japan ..
`. 358/402
`...... ..
`0268535 11/1990 Japan ..
`2211698 7/ 1989 United Kingdom .............. .. 379/98
`
`OTHER PUBLICATIONS
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`1.1.4/l-6-l.1.4.6.
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`NEAX 2400 IMS (Facsimile Mail Module) Station
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`
`Google Ex. 1024, pg. 4
`
`

`

`US. Patent
`
`Mar. 1, 1994
`
`Sheet 1 of 10
`
`5,291,302
`
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`Google Ex. 1024, pg. 5
`
`Google Ex. 1024, pg. 5
`
`
`
`

`

`US. Patent
`
`Mar. 1, 1994
`
`Sheet 2 of 10
`
`5,291,302
`
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`Google Ex. 1024, pg. 6
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`Google Ex. 1024, pg. 8
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`Google Ex. 1024, pg. 8
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`

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`US. Patent
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`Mar. 1, 1994
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`Sheet 5 of 10
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`5,291,302
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`Google Ex. 1024, pg. 9
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`Google Ex. 1024, pg. 9
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`

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`US. Patent
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`Mar. 1, 1994
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`Google Ex. 1024, pg. 10
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`

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`US. Patent
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`Mar. 1, 1994
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`Google Ex. 1024, pg. 11
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`Google Ex. 1024, pg. 11
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`

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`US. Patent
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`Mar. 1, 1994
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`Google Ex. 1024, pg. 12
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`

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`US. Patent
`
`Mar. 1, 1994
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`Sheet 9 of 10
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`Google Ex. 1024, pg. 13
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`

`

`US. Patent
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`Mar. 1, 1994
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`Sheet 10 of 10
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`5,291,302
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`Google Ex. 1024, pg. 14
`
`

`

`1
`
`FACSIMILE TELECOMMUNICATIONS SYSTEM
`AND METHOD
`
`This is a continuation of application Ser. No.
`07/654,181, ?led Feb. 12, 1991, now abandoned, which
`was a continuation-in-part of application Ser. No.
`07/248,798, ?led Sep. 22, 1988 now US. Pat. No.
`4,994,926.
`
`FIELD OF THE INVENTION
`The ?eld of this invention is telecommunications
`systems used in connection with facsimile transmissions.
`More speci?cally, this invention relates to a system and
`method for enhancing ease of facsimile transmissions
`and providing features relative to facsimile transmis
`sions not heretofore available.
`
`10
`
`BACKGROUND OF THE INVENTION
`The electronic transmission of documents by way of
`facsimile (fax) systems employing public and private
`switched telephone networks has become both com
`monplace and, often, an essential component in many
`business activities. In such a setting, it is very common
`25
`for the fax terminals (fax machines) to be kept quite
`busy during a major fraction of the business day. More—
`over, where sender and recipient are in different time
`zones, the “business day” can approach 24 hours, partic
`ularly in international activities. It is common for fax
`users to “broadcast” documents to a number of different
`recipients, that is, send the same message to several
`different fax machines. It is also true that the contents of
`some faxed documents are of such a sensitive nature
`that the originator or addressee would like to have a
`measure of control over who might see those docu
`ments as they move from the receiving machine to the
`hands of the actual addressee.
`These circumstances present a number of practical
`problems for a fax user. In order to make a successful
`fax transmission it is necessary that the receiving ma
`chine be available at the time that the transmitting ma
`chine attempts to contact it. If the receiving machine is
`already in use handling another message, the transmitter
`will receive a “busy” signal. The originator’s only re
`course is to continue initiating telephone calls until
`contact can be established. This is a “hit or miss” pro
`cess at best and can be very wasteful of the originating
`operator’s time.
`Some, rather expensive, fax machines have digital
`memories which will allow them to memorize the docu
`ment to be transmitted and to be programmed to make
`multiple redials in an effort to establish contact in an
`automatic way. However, this is limited to only one or
`two documents and, more importantly, it ties up the
`transmitting machine until the effort is successful or
`abandoned. This is hardly an acceptable solution if that
`machine has other documents to send or receive.
`There are other conditions which can result in a fail
`ure to transmit even though a telephone connection has
`been established. Perhaps the most common of these is
`the absence of paper in the receiving machine. In such
`situations, repeated attempts to “redia ” will lead to
`repeated toll charges with each attempt, with no actual
`success until the receiving machine is serviced (which
`may be some time if the machine is operating unat
`tended because it is nighttime half-way around the
`world).
`
`5,291,302
`2
`Busy machines which are destined to receive mes
`sages are affected by the converse problem. Since they
`and the prospective transmitting machines must engage
`in (perhaps, automated) “telephone tag”, they are used
`very inefficiently. When a transmitting machine gets a
`busy signal, even if it automatically redials, it can only
`guess at when the receiving machine will be available.
`Thus, the receiving machine will likely remain idle for
`some fraction of the time until such an attempt is made.
`The practice of broadcasting documents to a number
`of addressees obviously compounds these problems and
`adds still others of its own. Even if one does not encoun
`ter busy signals or impaired machines, convenient
`broadcasting demands an expensive memory-type fax
`machine on the transmitting end. Such machines read in
`the document once and then proceed to automatically
`dial the various recipient machines. This process ties up
`the sending machine and its telephone line and makes
`them unavailable for incoming calls. This, of course,
`exacerbates the busy signal problem for those units
`trying to contact the sending machine.
`The security of sensitive documents is still another
`problem. Once contact is established between two fax
`machines, the transmission of the document proceeds
`automatically, irrespective of who may be standing by
`the receiving machine at the time. In a busy of?ce, the
`contents of these documents are accessible to the fax
`operator and anyone else who happens to be in the
`vicinity.
`It is also common for individuals to wish to deliver
`fax documents to a recipient who is not currently avail
`able through a known machine (e.g. a person on a busi
`ness trip). This is a very inconvenient situation in that it
`requires that the paper documents be held until the
`traveler phones in from a remote machine. It further
`requires that there be someone available at that time
`who has knowledge of and access to the documents
`intended for the recipient.
`Another concern is related to so-called paperless fax
`terminals. In recent years, paperless fax techniques
`allow a computer or a micro-processor equipped with
`speci?c software and modem to directly transmit and
`receive facsimile messages. However, it is also very
`common that the recipient is not in his or her of?ce (the
`paperless fax terminal may also be located at home) at
`the time when fax message is coming. For example, the
`recipient is out to lunch or otherwise absent from his or
`her office or home. This requires the sender to retry the
`communication message delivery again and again if
`there is no other fax machine available in the office.
`Still another concern is adequate accounting control
`over the billing of calls. Typically, many businesses
`wish to be able to track the costs of both fax machine
`use and the associated telephone charges. While tele
`phone charges can be ascertained from telephone com
`pany records, in the present environment these must be
`related to records of the number of pages transmitted
`per call and so forth, separately maintained by the fax
`machine or its attendants.
`
`45
`
`35
`
`55
`
`SUMMARY OF THE INVENTION
`The objects of this invention are to address these
`many shortcomings of present fax systems and to pro
`vide an integrated system for their solution. Further
`more, the intention is to achieve this in a way which is
`fundamentally compatible with existing fax terminal
`machines. The basic approach is to provide special
`computer-based fax Store And Forward Facilities
`
`65
`
`Google Ex. 1024, pg. 15
`
`

`

`5,291,302
`4
`3
`documents to multiple destinations. Lists of “broadcast
`(SAFF’s) as an integral part of a switched telephone
`groups” of phone numbers can be programmed into the
`network system. All fax transmissions entered into the
`facility by users, or a list of destination phone numbers
`network are routed to such a facility, typically geo
`graphically near the originating machine, where they
`entered “by hand” at the time of a call. The SAFF can
`then broadcast the message to every machine of the
`are temporarily stored or “spooled” by the computer in
`selected list. This is a great advantage to broadcast users
`a mass storage buffer, such as a magnetic disk.
`in that they need only tie up their machines for one
`The fax message from the originating machine is
`outgoing transmission, the one to the SAFF. The SAFF
`intended for a destination machine, which may or may
`copies the message to all of the destination machines as
`not be in a position to immediately answer the call. If
`outlined above. In the meantime, the originating ma
`the destination machine is within the service region of
`chine is available for receiving or transmitting other
`that SAFF, the system then proceeds to attempt to call
`the destination fax machine. If the destination machine
`documents.
`Similarly, since the documents are stored near the
`is within the service area of a different SAFF, the sys
`originator, the system can permit messages which have
`tem forwards the fax document data to that facility by
`already been sent to be copied to other destinations after
`long-distance lines, in which case this second facility
`the fact, without the necessity of resending the message
`attempts to call the destination machine. In either case,
`if contact is established and the message is delivered
`to the SAFF. Likewise, since the messages are also
`immediately, the system directs a printed report back to
`spooled in a facility near the destination, the system also
`provides the recipient with the option of forwarding or
`the originating fax machine con?rming delivery to the
`destination machine, and other pertinent data.
`redirecting documents to still other destinations, as if
`the recipient were the originator. The system can also
`If, on the other hand, the delivery cannot be com
`pleted immediately due to a busy signal, a machine fault
`accept and store messages destined for a ?ctitious desti
`(e.g., receiving machine out of paper) or any other
`nation or “Mail Box”. Thus, individuals who are travel
`reason, the spooled document is saved and the system
`ing can, at their convenience, dial into the system and
`pick up any waiting documents.
`makes periodic attempts to contact the destination ma
`chine and complete the transmission.
`Other services are provided that are particularly
`In the meantime, the system sends a printed report
`useful to individuals who are not at the "home" ma
`chines. For example, so-called “paperless” fax termi
`back to the originating machine acknowledging that the
`nals, small portable computers equipped with modems
`message has been entered into the system, indicating the
`reason the delivery is being delayed, stating the proto
`and software programs which enable them to emulate
`fax terminals, are being employed at an increasing rate.
`c