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Europilsohes Patantemt
`
`European Patent Office
`
`Office auropéen dos brevets
`
`® Publication number:
`
`0 166 441 B1
`
`EUROPEAN PATENT SPECIFICATION
`
`w 6
`
`9
`
`Date of publication of patent specification: 04.03.92
`
`rm. Cl.-'-; HO4L 12f28, G06F 13/42,
`G06F 1 511 6
`
`® Application number: 351079613
`
`(23 Date of filing: 27.05.35
`
`@ Computer networlr.
`
`Priority: 29.06.84 us 525944
`
`@ Date of publication of application:
`02.01.86 Bulletin BSID1
`
`@ Publication of the grant of the patent:
`04.03.92 Bulletin 92310
`
`® Designated Contracting States:
`DE FR B IT NL
`
`References cited:
`FR-A- 2 214 385
`Us-A- 3 652 993
`US-A- 4 322 849
`
`PATENT ABSTRACTS OF JAPAN. vol. 7. no.
`no (E-168)[1225], 2nd April 1983; 8. JP-A-5a
`7949 (OK! DENKI KOGYO K.K.} 17-01-1983-
`
`6} Proprietor: Hewlett-Packard Company
`Mail Stop 20 Ease, 3000 Hanover Street
`Palo Alto, California 94304[US}
`
`@ Inventor: Cains. Nathanael T.
`777 south Mathilda Ave
`
`Sunnyvale California 940B7{US}
`Inventor: Simon. Jean-Jacques
`5 Rue du Fournet
`
`F-38120 saint-Egreve{Ffi)
`
`Representative: Llesegang. Roland. Dr. at al
`BOEHMEI-IT 8: EIOEHMERT Wldenmayer-
`strasee 4n
`W-8000 Mllnohen 22(DE)
`
`EP0166441B1
`
`Nole: Within nine months from the publication of the mention of the grant or the European patent. any person
`may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition
`shall be flied in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee
`has been paid (Art. 99(1) European patent convention).
`
`PMC Exhibit 2087
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`Apple v. PMC
`|PR2016-00755
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`Apple v. PM
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`PMC Exhibit 2087
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`2087
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`EP 0166441 B1
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`(2) transmits data frames (with an address of ‘li..,.J.
`(3) adds a number equal to the number of data frames {the number of data frames would include the poll
`response frame) transmitted to the low nibble (bits 150453) at the original Poll command. and then
`forwards the. modified Poll command to network processor 83. For instance, ll‘ network processor 32 sent
`out 8 frames. it would increment bits 143-153 to be 181......
`Network processor 83 performs in a manner similar to network processor 32. However, no more than
`fifteen frames may be sent in response to a Poll command. So.
`if network processor 83 sees that its
`response to the Poll command would require it to increment bits 150-153 to be greater than 15 {e.g..
`if
`network processor 82 sent out 8 frames-. network processor 83 could send‘ out 7 or lower frames}. than it
`will send the Poll command on to network processor84 unmodified. and wait for the next Poll command.
`Central processor 81 receives this data and forwards it to microprocessor 111. Central processor 81
`may be prompted by microprocessor 111 to issue additional Poll commands. or central processor 81 may
`do so automatically.
`The following table gives a summary of the commands listed with the hexadecimal encoded values
`within bits 143-153.
`
`1'0
`
`Conlaiand the: val uel:
`no
`
`Interface -Clear (IFC)
`
`Table 1
`
`llama:
`
`:11
`
`oz
`
`03
`
`or
`
`as
`
`as
`
`or
`
`as (08 -> or‘)
`
`‘ID (~>1Fl
`
`an (-> 2F}
`so
`
`31
`
`32 -> x
`
`so
`
`3E
`
`3F
`
`40 -3- 4?
`
`48 -21- 4F
`
`50 -> FR
`
`F8‘
`
`FC
`
`FD
`
`FE
`
`FF
`
`Enter Passthrough Mode
`
`Enter Loopback Mode
`
`1dent1f_y it Describe
`Device Soft Reset
`
`Perform Self Test
`
`Comand Trailer
`
`Data Trailer
`
`Auto Configure
`Poll
`
`llepoll
`
`Report Nana
`
`Report Status
`not used I reserved
`
`Disable Autorepea-t
`
`Enable Autorepeat,
`
`Cursor Rate = 1/30 second
`
`Enable Autorepeat,
`Cursor Rate -= 1/60 second
`
`Prompt 0 -3' 7
`
`Acknowledge 0 -> 7
`
`not used I reserved
`
`Master Hard Reset
`
`Data Error
`
`tionftgure Error
`Device Hard Reset
`
`not used I prohibited
`
`50
`
`PMC Exhibit 2087
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`Apple v. PMC
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`|PR2016-
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`PMC Exhibit 2087
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`IPR2016-00755
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`1'0
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`EP 016644131
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`dispasitif central (41),
`- une sortie d'anvoi comportent una piste da transmission partant da Pantréa d'anvol du dlsposltif
`da réseau (42) at pouvant fitre reliée 5 Pantréa d'anvoi d'un autre dispositif (43) du résaau.
`- une sortie da ratour pouvent étra raliée diractamant cu indirectament a una antréa da ratour du
`dispositif central (41) pour transmattre das signaux da données it oalul-ct. at
`- una antrée da ratour comportant une piste da transmission reliéa in
`la sortie de ratour du
`dispositif cle réseau (42) at pouvant étra reliée 3 la sortie de ratour de |'autre dispositii de résaau
`(43) pour racavoir das signaux da données provanant da calui-ci.
`caractérlsé en ca qua :
`- cheque dispositlf da réseau (42. 43. 44. 45) est capable de raoeveir das signaux da donnéas
`provanant du dispasitif centre] (41) par l'intern1éciiaire de son entree d'envoi.
`- cheque dispasitif da résaau (42. 43. 44. 45) est capable da transmattra des signaux da données it
`.tout autre disposflif de réseau (43. 44. 45) par Plntermédiaire de sa. sortie d'en\roi.
`cheque dispositif da résaau (42. 43, 44. 45') est pourvu d'un moyan cla commutation (B2. 83. B4)
`pour lnterconnacter sélectivemant Ia sortie d'envoi du dispositif da réseau (42. 43. 44. 45) avec
`propra antréa da ratour d'una rnaniara taila qua :
`- una lnterconnexion suit établie settlement entre la sortie d‘envoi at l'arItI'ée da ratour du dernier
`
`-
`
`dispositif (45) du résaau at
`- des signaux da donnéas transrnis au dernier dispositif (45) du réseau 3 partlr du dispasitif
`précédant (44) sont ranvoyés A l'antréa da retour du dispositif précédant (44).
`
`Un réseau salon la ravandication 1. caractérisé an oa qua las signaux de donnéas sont transmis aver:
`bits an série antra les dispositifs (41. 42. 43. 44. -45) du résaeu.
`
`Un réseau salon les revandications 1 au 2. caractérisé an as que le disposilif central (41) at chaque
`dispositif da -résaau (42. 43. 44. 45) oomprannant des moyens pour alimantar an courent la dispositif
`suivant dans la réseau.
`
`Un résaau salon una qualoonque das revandications _précédant_as. caracterisé an ce que. pour qu'un
`dispasitif du résaau alimente an courant un dispositif suivant. una pairs (99. 109) do lignas d'alimanta-
`tion an courant pauvant §tra rellées par une axtrérnlté A Luna sortie du dispositif at par leur autre
`axtrémité é une antréa du dispositif suivant. una Iigna d'aIirnentation (99) foumissant un potential de
`référance at l'autra Iigna d'aJlmentation {1D9)1ournissant una tension d'aIimentation-.
`
`Un résaau salon une quelconque des ravendlcations préoédantes. caractérisé an ce qua cheque
`dispositif de réseau oomprend un procassaur d'inforrnation (Baa) pour trailer des signaux de données.
`la procaseaur Iflrrformation cumportant una entree rallée ‘a l'entréa d‘arwoi du dispositif de réaaau at
`me sortie raliéa 5 la sortie d‘envoi clu dispositif de résaau.
`
`40
`
`Patentenspruche
`
`1. Netzwerk ftir die Ubartragung Von Datansignalan zwischan sariell varbundanan Natzwarkeinrichtungan
`612.43.44.45) unci mindestans elner Zantraleinriohtung (41) zurn Uberwachen dar" Netzwarkainrichtungan
`end zurn Verarbaiten van Datensignalen. die von den Natzwerkainrichtungen (42.43.-14.45) emptangen
`warden slnd. wabei die Zentralainrlchtung (41) mit der arstan (42) dar Natzwerkeinrichtungan
`(_42.43.4-4.45) varbunden ist. wobei jade dar Netzwerkainrichtungen (4-2.43.44.4-5) umfaflt:
`-'
`einen Sendaeingang. dar dirakt odar indirekt mit ainam Sandeausgang dar Zantraleinrichtung (41)
`verbindbar ist.
`
`50
`
`- einen Sendaausgang. dar einen Ubartragungspiad van darn Sandaaingang dar NatzwarkeinrIch-
`tung {-42-} umfaflt und mit darn Sendeaingang einer waitaran Netzwarkainrichtung (43) varbindbar
`ist.
`
`-
`
`-
`
`einen Flilcklaufausgang. dar.direlv:t oder indirekl mit einem Rflcklaufeingang dar Zantraiainrichlung
`(41) varbindbar ist. urn daran Datensignala zu iibartragan. und
`einen Rticklaufeingang. dar einen Ubertragungspfad zu dam Rtlcklaulausgang dar Natzwarkain-
`richtung (42) autwaist und mit dam Fluaktaufausgang dar weitaran Natzwerkeinrichtung (43)
`varbindbar Est. urn Datensignaie davon zu ampfangen.
`dadurch gekennzeichnet; deli!
`-
`jade Natzwarkainrichtung (42.-13.44.45) Datensignaie van dar Zenlraleinflchlung (41) Llber ihran
`PMC Exhibit 2087
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`Apple v. PMC
`IPR2016-00755
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`PMC Exhibit 2087
`Apple v. PMC
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`

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`EP 0166441 B1
`
`-
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`-
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`Sendeeingang ampfangen kann.
`jade Netzwarkainrichtung (42.-43.44.45) Datensignale an jade waiters Netzwerkeinrichtung
`(43.44.-$5) Ubsr ihran Sandeausgang Ubertragen kann.
`jeda Nstzwerkainrichtung {42,43,4-4.45) sine Schalteinrichlung (8233.84) zum selaklivan Varbin-
`den des Sendaausgangsder Netzwarkeinrichtung (42'.43.44.45) mil ihrarn aigenan FiiJcklaufain-
`gang autwaist und zwar darart. dafl
`-
`sine Varbindung nur Zwischan dam Sandeausgang -und darn Flucklaufeingang der Ietzten
`Natzwarkeinrichtung {-45} in dem Natzwerk hergastellt ist und
`- Datensignale. die an die letzle Natzwarkeinrichtung (45) van dar vorhargehendan Elnrichtung
`(44) dos Netzwarks Ubertragen warden. zurflck zu dam Flflcklaufaingang der vorhergahenden
`Einrichtung (44) Ubertragan warden.
`
`Ndlzwerk nach Anspmch 1. dadurch gallannzalchnat. daB' die Datensignala bitserieil zwischen den.
`Einrichtungen (41.42'.43.-$4.45) das Netzwerks Ubarlragen warden.
`
`Naizwark nach Anspruch 1 oder 2. dadurch gekannzelohnet, dafl die‘ Zentraiainrichtung (41) und jade
`Netzwerkeinrichtung (42.4-3.44.45) sine Einrichtung zum Versargen der nachfolgendan Einrichtung in
`darn Natzwark mi! Energia aufweisen.
`
`Netzwark nach einem der vnrangahandan Anspruche. dadurch nekennzelchnet, dafl zum Abgaben
`van Enargie van ainar Einrichtung das Natzwarks an. eine nachfolgende Einrichtung ain Paar (99.1U9)
`Enargieversorgungslaitungen rnit seinern ainen Enda an ainen Ausgangsanschiufi dar Einrichtung und
`mit sainam anclatan Ende an ainan Eingangsanschlufl der nachfolgandan l:“mrichtung anschliefibar ist.
`wobai sine Enargiswarsorgungsleitung (99) ein Bezugspolentiai zur Verfflgung stall! und die anclere
`Enargiavarsorgungslaitung (1091 eine Energieversorgungsspannung zur Veriugung stellt.
`
`Netzwerk nach einam der vorangehendan Ansprflche. dadunch gekennzalchnet, dafl jade Netzwark-
`sinrichtung einen Datanpruzessor (83a} zum Vararbeiton van Datansignalen umfaflt. wobei dar Dalton-
`pruzessor ainan Eingangsanschlufi. dar mil dam Sendeeingang der Neizwerkeinrlchtung verbunden isl.
`und ainen Ausgangsanschlun aufwaist, dar mit darn Sendeausgang der Netzwerkainrichtung varbundan
`ist.
`
`26
`
`25
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`-I0
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`45
`
`E0
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`55-
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`EPU 136441 31
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`15
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`16
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`‘IO
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`13
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`12
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`D4“
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`FIG 1 (PRIOR ART)
`
`9
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`PMC Exhibit 2087
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`Apple v. PMC
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`EP 0168 441 31
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`FIG 3 (PRIOR ART)
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`'0
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`PMC Exhibit 2087
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`PMC Exhibit 2087
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`EPD1B64-4131
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`r-.—____.-...———---u--u-—
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`PMC Exhibit 2087
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`PMC Exhibit 2087
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`EP 0165 441 B1
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`12
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`PMC Exhibit 2087
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`PMC Exhibit 2087
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