S IGLG-31-I.MS 8 September 1947 

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Applications of ;·rilliarn F. Fried!gan, S.N. 478,868 and Lf78,193 

Chief," Army Security Agency 

The Pentagon Building 

~·rashington 25, D. c; 

A tt ent ion: Mr. Stauffer 

Inclosed herewith is a copy of Patent Office actions dated 22 April \ 

1947 for each of the above-mentioned a~Jplications. The delay in forwarding these actions is regretted. 

FOR THE CHIEF SIGNJ\L OFFICER: 

2 Incls -

Pat Off actions re 

S.N. ·478, 868 and 

S.N. 478,193 

HARRY H. SARAGOVITZ 

Patent Counsel 

Legal Division 

Declassified and approved for release by NSA on 12-04-2014 pursuantto E.O. 1352a 

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REF ID:A41611i3 

Div 16 ...... EML:g 

U.S.PATENT OFFICE 

Apr 22 l 9l~7 

MAILED 

Address only 

The Commissioner of Patents 

and not any official by name 

DEP .l;RTMENT OF COJ'J~RCE 

United States Patent Office 

\fASHn!GTON 25, D. C. 

7 

, 

All conmunications resrecting this apolication 

should give the serial nllinber, date of filing, 

and name of the applicant 

Please find below a conmunication from the EXAHINER. in 

charge of· this application. 

rlILLIAM D. HAU 

. c/o Chief Signal Officer 

Pentagon Bldg. 

Washington, D.C. 

. 

CASPSR W. OOM'.3 

Commissioner of Patents 

Applicant: 

Ser. No. 

Filed 

·For 

Responsive to amendment filed Oct. 14, 1946. 

Claim 2 is rejected on the gro1inds of being 

indefinite in- the recital of 11 or nore1 in line 7. ·' 

F. Friedman 

Claim 2, line 12, the second 11 said11_ occurring at the end 

of the line should be canceled. 

Claims 3, 4 are rejected for the same reasons as claim 2. 

Claim 8 is rejected on the grounds of failing to 

particularly y:oint out ond to distinctly claim the invent ion. 

Claim 9 is rejec.ted on the gr;urtds ·of setting forth an 

unpatentable met hod. The steps recited appear to be no more 

than the normal function of the apparatus. 

Claims 1, 5, 6, 7 appear. at present to be allowable. 

Examiner. 
J 

. 1. 1Doloe14 heMl!.th• in dupU.caw, Se a ~ a~ to 

tha aub3eo\ ~tier.I.· - - · -

2. 1he ftJ'e'R4Mnt ~· 4wa in. tbt I'-atent Oltlee l6 CJotcber 1946. 

Fen BtE CBm', A1.1iY GWlJR.IU AQ'E111tt1 

i·lilol 

·flmatd!!en' in 4up 

Oedassified by NSNCss 

1:r~fjYt)/Associate Director for Policy and Records -

od_)1304J\)bv.~r;, .. 

~ ~ 

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e REF ID:A41615-· 

IU THE 

UNITED STAT~ PATENT OFFICE 

* ns REI Applioant 

DILLIAU F. FRIEDMAN * 

6er1al Number 

478,193 

Filed. 

6 March 1943 

For ' 

SYSmtl FOR El:CIPHERmG 

FACSMIE 

* 

* 

* * * * * ~ * * * * 

Division · 16 

Room 305 

This a 1n response t.o Pe.tent Office acts.on of 16 October 1943 

in ~ aberna 2,dentUiecl appl.1catlon. 

Page 5, Una 24 • Ineert tho i'ollowlne paragraphs 

It w1ll be urxle3:'Stood that, whereas the t'oregolqJ 

desarlpt!on aal.1- tor the transmlesion·ot a signal when ono only 

ot_the coils 14 and 15 is ebergi.zed, the apparatus wi1l tunction 

just as well mlC1 achieV'e just as areat privaq 1f rearranged 

sligbt:b', as by giving nn opposite bias, a i1CmDal cloacd conditiOn , 

to SWS.tc;b 24•2S. In such case, ot courso, e. sifina,l will be t:t'ano• 

td.tted whenever coils 14•15 are.in the same comit1on irustead ot 
REF ~D:A4161S7. 

. . . 

Ci.aSm 1, Une 4 • After camoutl.aga eancel "element" and in$e:H; 

• te.cs1m11e ~ssage '!" •. 

lJ.ne 9 .. Cancel "be controlled"· and- 1.alt$rt • control a 

mdtchlpg element - • 

l1ne 11~ CUcel "element" llDd in~lert • tacs1mile 

message• • 

• moans for camouf."laglng o. taoaimlle message • • 

Uno 5 • Oance1 "element" and !nsert • message - • 

line 10-._Cancol "be controlled" end. inaert •control a 

switch • • 

line 11• Cancel "element" o.n4 inae" • message • • 

line U- Cancel. "receiver"· and insert • switch • • 

Cld.m 3, · Un8 4 • Can.eel ~element'' and insert - · message - ·• 

·u.ne 9 • Cancel "be controlJ.edn- and insert - control 

a switch • • 

line 10- Cancel· ''element" 81'4 illsert • message • • 

. line 12- Cancel "~eivoi-" $l1d inDert .:. S11itch - • 

line 13* Cancel "ireceive:r" arl1 !nsert "'" switch• • 

c1aim 4, 1J.nf811· Cancel. the exptession "be controlled" and 

anct u· ~ • control a BWitch • • 

line 15- Cancel «receiver" and insert • ~toh • • 

Cld,m 8 • notQre the period :l!Jsert • by adding thereto 

·claim 10 • Caricol. 

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REF ID:A41615--

t:1th regord to Ps:ragraph 1 ot the Patent Oftioe action, 1t 

is. admitted that it is :Immaterial whether s!grJ.ale are translDS.ttecl 

when both ot oo:Ua 14-15 are enargized and not transmltted when 

Ob.13' one is en.ei-gized or Vice. wrsa. Tho Wnenclment to page S ot 

~. spooifteation 1B cUreotod to th1e matter. 

C1allns l, 2, and 3 have been am&nded to epeolfy that the 

eecon4 (enaipheri.Jg) oircu.1.t ot the olalma !e controlled b$' a secmd 

tacdmlle e!pl,, thoreby ditterentlating from P!el'Oe, 1,312,574. 

Ol.ailns 11 2, 3, a.nd 4 haw al.so been amended to~ 

the :te3eot4on tor ~teness, all olaima now illolmling pit9hts 

(,.-ather th$n tece1~) ope~ted 1n either of two poo1t1cms. 

tran$1daeion 1o achieved b3' add1n8 to tho one sigMl. a eocoix! tacsimilo trenam1se1o1' a.voids Belin, i.657,.366, BJd Jenkins,l,763,358, 

the first ot whiQb patents pro'Vides variable speed sign81s from a 

single p:lcture placed upon a dr= revolving el"1'8t1~ mther. than 

constan~, mid the second or wb1oh ·patents utilizes a s1grlal msed 

on a succession of pie~ elezrmte which e.ro oubstantje1ly displaOed 

from -.Oh other Wtead ot 1n normal cont!mdty. 

Ree~~; 

OILt.Wl P. FRIED?MM, Applioant 

13:~.·------------ His Attorney .... -----I 

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