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II 

REF ID:A521657 (_. 

IR '11lE lJHI'l'BD S'l'ATBS. PA'ID'I OITICJB 

In :re appltoatton Of i 

W. F. Friedman, 

Serial Ro. 107 ,244, .. Piled October 21, 1166 1 Crntosrapu Waehing"°°' D.C., 

Bowmber 27, 1940. 

JJoa. a-da1io11er of Patenta1 

Waahlagwa, D.c. 

8lrs 

In. reaponae_ to the otttolal letter ot Deoemlter.21, 193?, 

.. .-t 1• •cl• •• tollowa1- · . 

In ~he ..-•1t•catlon1• 

,.., e, line e, • ._ ••• ,. · "°' !!' 

plaia 1. 

·. · LSae 11 1 cuoel •.,...bearing" 

Line· 1, etter •ziOtatable" lnaerts om 

- Llil•• fend ·e, aenoe11 •11 ••'of eontaot·tewra al 

. . . . 

aemoelatecl eontaet• aonti'olled bJ' eet4 ... lteert-. •.llbez'•1• 

Clala .. 1 

Cleta I 

Clala 9 

••loattlea 

Llae 81 atter ••t~• ta•n1 •«· oprete4 !?l 

. t.:tae 9, ebange •cea•beartng" ioa !!!! 

Line '• after .... ~ ... tnaerta ·opatea bf 11114 

JA'pproved for Release by NSA on 11-22-2013 pursuant to E.O. 1352§ 

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REF ID:A521657 

Claim 11 

Line 1 1 .r-wl' •&isplaoeable• la891't1 at llttenat . 

!!l!ller Yeloeltle• 

Cleta 19 

Line 11. ettaza "diepla•a'ble• t-~.• et 41ttenat · 

A44 the tollowtq 01ew1• 

1'. la a e17Pto'"ph, .e k•Jbo•rt bBnng a pl•allt7 ot OJ8rattag ke7a 1 nret ud seooa4 routeble mmbera, meaa• aetuatet ,,., 4epreaetoa 

o~ the keye ot •iei tetMal'I tor rotating . ea14 ---r• at 41fteNilt aDl'l1d 

. . . 

1nteraonneote4 ...-ate, •• sepent1 of tM fti-a\ 4mee beiJ!I reapeet-

. 1•17 ta ooateot •1th .... ~'·· ot the aeeo .. 4enee .... ll!CYf•ltle •1th 

reapec• thereto in en ol"4er to pro•$4• wrloua ournat .patm througla 

'he alrnl'• ot tbe no ewttohlag 4enoea hba top~r .. ••• nepoaatw 

to a prec1etend.ne4 •~plar »0a1tloa of" 08 tlrat rotatable...., to 

•Ye the ftret nitold.na 4eT~C8 relet1ft to the ••oan4 aw1teh1q 4"1•, 

..... reaponatve to a precietel'ldnel angular po11l..tl0a ot the eeeoa4 zrotat-

. able .. bar 'o • .,.- the Hoon4 awttchll!a 4ntoe rel.8,lw to the flrat 

4".,,...~.;:_.; . __,.,;~ ''(/11/...V./~ .. 

..... ,..1...--) .. <·-·1:. · .awttoldag de'dee, -~-·- . . . ~..,..ra,loa o~ \lie '-• llll4 ti. I - • . 

JO•ltlon or aa14 ft:ra' •wltoJdng lnl• tor teeclimg nrreat into tba 

l'eapeottw .._ate ot tba til'at liWl.toldq 4•Tlee, 1114teat1ag •-• 

u.,s.aa a plvAlltJ of b41oa, anc1 mean• be~llll a 1lueU.tr ot "1ftftt 

. tteee1"1118 contaewre tor !'~eei~ng cmnent fl'• tbe •eoa& nttcJd.Jll 

;."' . .('1.6~~-i..w~,,"iot r~ ./ :.:' 4enoe a.114 :reapeets.,.17~· 1• oa)the poal,ioa of tlle •ionl •lh!P 

11* 4e"f'loe to 4•'•1111•• •hloh ooauotor reoet'ftta cmneat trm a etwn 

. .._at, and 1198118 1adepea4en,1y and reapeot1w1,. eoueetia.g the wrt.oua 

ooataotor• to 'be plural'-ty or lll4lea. 

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,_ REF ID:A521657 

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16. A M\hod or eneiphtllring 1teee11r1 1nclw111'li rotet11'f. a 

plural1 '7 ot chfrractf91· ~ cUaple.oing comutetora at ditterent angular 

zt":tea troa predetersatn"d ortc1nal poa1Uone. &nd g1T1ng 1ndteattona 

Claime l - lS er. in thia O&s~. Claims l - e PD4 ~ - 11 

were rejected on the Cft)und 'he\ tuacUonelly deecrib~d meua co11att-

'"'• \he esaenn ot \he 1nttn•1oa. BoweTer, the cl1nus111 ia tb.e lut 

te• llne• ot theae clB1•• are •meenafl ol.aueea, h•n09 etruotural oleue••· 

r•l1•• 119•~11¥ oa the ebo't'e oite4 4ec1aioa. 

!he 1a.Yea"1on et 'ht• ce.ee ta e true oombinat1on 81'4 

elearl1 point out en all•a-4 oeeenoe et the ln•eatlon. 

In clad.a '• l$et Une, en uea4.ment cell• for rotetl&& 

1.h.e caa bttarinc membera t\t "4itt•reni• ratea; henee '\he eleia a.ow 

1nllerentl.T c.ella tor a p4'1'mU\l'\U'ff dbplao~nt ot the coilnutl°'W1"8 

aineo 41tte7ent re,es or anaular oei.a 1'ftlee1t1ea will ereaie 41fter.at 

anculcr ..-elee1$1eo of ihe 0011111utetore. The different encalar veloo1t1•• 

ot \h& ooamu~etora ereete • larae nuber or 41fteren1' eurrent patha 

throuah the ae-..ral ao•tatawra an4 1nheren'l¥ crea~e• a ayetea t.hai 

NJ&eta 01111 fitter ail11oaa ot oporattou. ClaS.U 12, 15, o4 8 

(wh1eh <le~nde on claia '7 ) •~• beea ft1Mn.de4 to reoito ditterera\ 

uplor <Jell>cl Uea ot the ca member• heaoe t?M!l euse ara-eata 
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REF ID:A521657 • 

New alt~ia · 14 oalla tor rot,e tine the ·r1rat and aeocact 

rotatable liea'bera et d1tterer:it ant:ular veloei ti•• •»d a4nno1ag 

"upler"' poe1Uoaa. Thi• oreo~•• perrmtat1on•• .. ,, ele.ta 15 ate.tea 

that the oomntetora rot"te at different aneuler rawa. 'l'h1a ONatee 

reool'd 4oea not •bo" '"° or more ~tetora 1n caaoa4e relation ea 

1'1lliea D. 9111, 

Attorne1 ter A1'J)l1cut