-=====-=-=-----·-------·--

... .,;l!t> . · -~~-- . ·., :.·, .~.~~ • .;J.--.···i ·· ... A .-·-··-~·- :· •. - l~EJOO~l7 

( _ID I OR CARRIER SHE£1.HO AS( 

,,.r-. 

- . .. . . . i . --· 

MUST REMAIN WITH AnACHED PAPERS 

NUMBER EACH MEMO OR REPLY IN LEFT IJORDER. PLACE NAME, RANK AND 

TELEPHONE NUMBER BOTTOM OE EACH ACTION. DRAW LINE UNDER EACH. AOlON . 

ENTER FILE CLASSIFl~TION ADJUTANT ----- .. ~ : .. - ....... .. :- : ....... ' 

TO 

AS-90 AB-71 

.. 

DATE SUBJECT . . ;-"· .- .. ,a. .. : . . :.<._· . · .. 

6 l!aJ' 47 Applications f'or Patent.~ SB 478~19~ and SH 4~8,e&J__ · -~· . . . . . . . . 

•• : I • 

·2 are torwara.ed tor· Mai- . ~ ~ ret~ . . ·. . .. '. .. . ;: . . . . . . . : :·: :..,~<·:.:~ ~ .-· .. · ..::-; . . . . . . ,:-,~ ::. · .. '.:'·. : ·'.:: . ..,;,... la" 1:tted . .!; ...... ~:bial . 1'Jie-. . . if.oz\ .t...:···· .p..,....a.uc1.u.M~ ~ aurreit-,, o ~- .. __ .. ~~~ .. , •· . . .q~s._ .... ,, .-.~ . '1' be deo;Lassitied _sq :that_ pa~s can ilfCIUe aiid ~- .... -~··· . . . . .. ... . ~-···.· .......... ·-.. -.. -...... ·t ..... :· .. : ..... ...... : · ....... .: .... --~·-.. ;:~..; ... ~ 

.,., I•• • I,•• 

: I' • • • • ,. ~: • • ~ 

• 

2. i'HRIJ I ~"80 AS.;iJ<> .... 

1'01 

JS,..71 

2 Inoll 

n/c 

W'DCIAI F- Na. 1011 

96 Nn 45 ll900 

.. . . . ·- . ~:~ .... · ... 

...... . .. . . - • •• I : ; ... 

'' •, I 

eclassified and approved for release by ·NSA on 09-10-2013 pursuant t~ ·'~_:.-::·:·· ·< ·' 

.0. 13526 .... 

":: ..... ·. PAGE-,..aQ. :I, . ,. •-;. ·.' .. ·~ 

-.=.i-.. 

... ~ 

..,:-..,.:. 

-
I· 

~· 

TO FROM 

3. AS-

·- r•• ,, ... I 

""' .:· ·· .. ... 

. . 2 Inc s 

n/c "'-~J· 

5. 

DATE ·: )IBJECT i 

Appl1cst1.ons ·for Pst.~t - SN 4?8,,. 19." 

15 Ms.1 

.. i.'. 

.,: ..... · 

and SN 4 8 868 cont'd · · 

Operations Division has no objections to 

the declassifying end release or these patent applications. 

FRANK B. ROlfiiETT 

Cb1ef;·Operat1ons Division 

Ext. :51 . -· ·----------------..-.-..-----+ 

23 Mq rt 1. · Iii response to the are.l request bJ" Captain 

Woehlke tor recommel'ldations am o0u;n.ents re~ .P'-°J!~ 

applications ot lfi]Jiam F. Friedman, serial numbers 

478,19.3, 478,868, and 551,172, numbers 478,19.3 and. 

478,868 "!19re circulated through AS-80. and .A.S-90. 

A~iir"Pft'l1t"'r1 inf'ormation with respect to the t\10 cases and brief' 

:tions thereof' appear :ln Comment le 

that the three applications be deolass1tied 1n acoordanc 

d b1' a memorandum f'or Chief,· Jrmy'" Security Agency' from 

. , Mili"lia17 In.tellSgence Division, G-21 · 29 April 1946, 

e ot o-..i~.1tgraphio.· Pr:lnciples, 8IJ mod1f'1ed b1' a letter t:rom Ohief' 1 

.accK£U,7, to AS-70, AS-SO, and .AS-90, JD April 1947, subjects 

lease of .Inf'ormation Concerning Seore07 Patents. · 

pies ot the apPJ.1cations is requested~ 

S. m:ILLBA.cx, Chief 

Research laboratories Division 

.·.Ext •• 

··- .. 

· .... 

.; 

-~ . t 

I 

J 
• - ••, ..,._ • .., , •• ... _ , , _, - - • •• • I ••'"'" • • I .. -42 

. . . 

~ . . . d~' ~ .. -~· ~i-&........ .. IHlUBMci~ ..... .:1·1f\,ii;ttL- 'l)o f OR CARRIER SHEET" HO ASh·· .. , ·: ·. 

... -----· --- ........... _~ 

MUST REMAIN wnH A'{TACHED PAPERs. 

NUMBER EACH.MEMO OR, REPLY IN LEn BORDER. PLACE NAME,.RANK AND 

TELEPHONE NUMBER BOTTOM OF EACH AOION~ DR" W LINE UNDER EAC:H AOION 

ENTER FILE CLASSIFICATION ADJUTANT -----, 

THB.U ~24 T01 AS-20 

FROM J;>ATE 

3 June 

SUBJECT · 4 8 Applications for Patent - SN 7 ,19,, 

7 SN 478,868, and SN~51,l7~ . . 

5. view of the ac~ that ~ am. an interested part7 as th~ 

"6 

1nven of . hese pa ents, I preter not ·to go on record as either 

favor or ot tavo ing the declassification ot these patents. 

AS-24 AS-20 S June 4: 

3 Incl 

n/o 

• 

<t$ ;n,.a}.., a 

WILLIAM F. ntIED 

Ohiet, OommUDJ.cations Research. ~~t_215 . 

l!aj. 1lhi tehead Ext 216 

ll&te.riel Section, Statt baa no objeoti0na to ~ 

deelaaaitioation of subject pa.tents. . 

fi _ /-.· . _;., .. _·_.J,;t:'/ /) . ?-~L_/.(?~~~-/ ARTHUR V. WHITEHEAD . 

. .. 

........ J : .. ' 

Major, Signal Corps 

Chief, llateriel Section, statt Ext~ 216 

" . PAGE N0.-2& __ 

j 

WDGAB Farm Na.107I 

NN.r"'5 :I-· LIFT HERE USE OTHER SIDE ... - .. . . .. ..•. ·····- --·- ---·-·· -··· - .. ·1 

J 
- - --- --· --··· - ···- ---·-- ·----------

--.;;1-· .....,~_1·;..;o;·..::=~-= .. :r~-.... --. -. q-· "-,~. , . ., . ·.· . ·. ..., • • .. .. ,. . -------·:·;-------··-------.. 

. · ,. - -- -~D~fi~l~~ 70-?N7&, 

- . MUST REMAIN WITH ATIACHED PAPERS 

NUMBER EACH MEMO OR REPLY IN LEFT BORDER, PLACE NAME, RANK AND 

TELEPHONE NUMBER BOTIOM OF EACH ACTION. DRAW LINE ~NDER EACH ACTION 

ENTER FILE CLASSIRCATION ADJUTANT -----

TO FROM DATE SUBJECT 

.AS-10 AS-23 6 'June· 4: ·Applications tor Patent - SN 4781193 am SN 478,868 

··7. Capt. Woehlke/462 

1. Patent .A.pplicat ons (ltvstems tor Enciphering Faca:lmile), Ser!al. Noa. 478, 

193 &Di 4781868 bas1 . empl07 the Verm.m rule for enciphering a black and white 

picture sigml th ~ · blaolc and white picture signal. The dmmqy picture 

signal ad :l.n nature ~ a keJ'. The d1tterence bet\'leen the two cases 

:1s that Serial: o. 478, 9.3 utilises rel.qa ai:Jd Serial No. 478,868 empl.OJ'S tubes 

to pd the ombining ta.nation. 

, Serial No. '511172 (Authenticating Device) employs 

:th a plugging ar.mngement, and a strip or random mmbora. 

t,hrowrJ.1 the predetermined oonnactiOJlS ot plugs and arzangement; 

5. .AS-70, 

tied so 'bhat pat 

6. Re001!'Jlllletld 

3 Inola 

1. 

2. 

WDGAS 1078 !16 Nov 45 47940 

l:lgb.t a lamp which will give a DWDber which IDB7 be used as an 

, Serial No.,;. 478,193 and 478,868 were circulated ~~ 

aooordanoe with current poliq. 

n, Ser1al .No. 551,172 •a not c1rculated at this time 

never alassif'ied. The Assistant Chief, Signal SeauritJ' 

tion tor filing as an unclasa:lf1ed patent application 

e 1). 

AS-90 agree that the patent applications :inB1' be declass:l 

of the attached Disposition Fom. 

-~- ~ _L;iz _;· 

"" PAUL E. B"F I • 

Lt. Oolonel, 'gml Corps 

Ac'bing Depat7 Chief . 

Arrq Security Agerq 

ht 498 

PAGE NO. _3 __ 

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