Historical Document · 1970

US Patent 3,546,676: Calculator (R. A. Ragen, Friden)

Ragen's master patent for the Friden electronic calculator, filed 29 October 1963 and granted 8 December 1970: recirculating memory, single-digit counters, the CRT display. Hundreds of drawing sheets.

Author: Robert A. Ragen / Singer
Year: 1970
Type: Historical Document
Credit: US Patent and Trademark Office, via Google Patents. Public domain.

← Back to the Reference Library

Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCUATOR Filed Oct. 29, 1963 226. Sheets-Sheet MOCKUP CONSOLE ROBERTA.RAGEN INVENTOR by /64.64.4ATTORNEY Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 2 -O- RELATIVE LEVEL SIGNAL (POLARITY NOT SPECIFIED) " MORE NEGATIVE LEVEL SIGNAL MORE POSITIVE LEVEL SIGNAL "N." "PL" -D- TRANSiTION SIGNAL (DIRECTION NOT SPECIFIED) T NEGATIVE - GONG TRANSiTION SGNAL POSITIVE - GONG TRANSiTION SIGNAL "NT" PT." -DPULSE SIGNAL (DIRECTION, NOT SPECIFIED) P NEGATIVE - GONG POSITIVE - GOING PULSE SIGNAL PULSE SIGNAL "NP' PP" Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226 Sheets-Sheet S - 12V E -N A Fo Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 4 - 2V 2N499A 2N499A E * VALUE OF SPEED UP CAPACTOR Cs IN PICOFARADS INDICATES ABSENCE OF 330 OHM RESISTORS 1.E. SUBSTANTIALLY ZERO IMPEDANCE FROM EACH B TERMINAL TO TS CORRESPONDING BASE. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226 Sheets-Sheet 5 -2 V FFO EMITTER FOLLOWER d 2 N3O4. INDICATES PRESENCE VALUE OF GATE CAPACTOR cq IN pf. * * VALUE OF GATE RESISTOR Rg N KILOHMS FF F E E e Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 6 O : NA < D FF N Y r 1. - --- g D ZV N A. y N G < DK G < i al G C B INPUT FF FF. Dec. 8, 1970 3,546,676 R. A. RAGEN CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 7 ------------- - GGG FF. B INPUT E EFI G a LP, Dec. 8, 1970 R. A. RAGEN 3,546,676 GACUATOR Filed Oct. 29, 1963 226. Sheets-Sheet 8 - NA Y DEC 419 --- au YY FF. * DOTS MAY BE oMITTED WHERE AMBIGUTY WILL NOT RESULT. E. G. INDEPENDENT GATE INPUTS F.G. L. E. L. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 - 226. Sheets-Sheet 9 --------- ----- E LEFT SET INPUT G. L. - 2 Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUATOR Filed Oct. 29, 1963 226. Sheets-Sheet lo Fre FF E. G. LEFT RESET INPUT L. S. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUATOR Filed Oct. 29, 1963 226. Sheets-Sheet ll ------------- - FFo FF COMPLEMENT INPUT E. G. G Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 2 ------------- marma woman- anmaa eman- a-- -nna- ama- - - - - C TRANSFER INPUTS (ONE SET ONLY) E. G. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUATOR Filed Oct. 29, 1963 226. Sheets-Sheet 5 FF. TRANSFER INPUTS (THREE SETS) Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCUAOR Filed Oct. 29, 1963 a -- momum 226. Sheets-Sheet l 4 wan owramaia -- AP aims awa woul -1N G -- ----- --- -a -- G G G G - mu - ana --- -aa --war --- --- -- ----- -- --a-roa - Fro FF RIGHT SET INPUT E. G. P. F. EIL are Dec. 8, 1970 3,546,676 R. A. RAGEN CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet lS FF Fre FF E. G. RIGHT RESET INPUT E B. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUATOR Filed Oct. 29, 1963 22s. Sheets-Sheet 6 ----------- - Ef - 2, Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUATOR Filed Oct 29, 1953 226. Sheets-Sheet l? CARRY AND BORROW FF F. S. . . . . Dec. 8, 1970 3,546,676 R. A. RAGEN CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheot 8 CHG, SGN. FF' GCG CHNG, SGN FF P GEC 1: 47O C. 47O I CHG, SGN. FF EIG - 2 Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet, l9 ------------- - C CLR. ALL FF CLR ALL FF CLR ALL CLR ALL E. G. G - EP FF. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUATOR Filed Oct. 29, 1963 226. Sheets-Sheet 20 ------------- - SG GEC SC CLR. ENT. FF' CLR, ENT FF. CLEAR ENTRY < FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 2l ------------- - CLOCK FF E. G. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 22 -------------- COMMON DIGIT FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCUATOR Fied Oct. 29, 1963 226. Sheets-Sheet 23 - C. F. FF' C.F. FF. COM. FUNCTION FF E. G. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 24 COM. FUNCTION STORAGE FF E. E. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCUATOR Filed Oct. 29, 1963 226 Sheets-Sheet 25 ------------- COMP COMP g FF I N ar EFG at E FF' Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 26 DEC. PT. CTR. FF E. G. S. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 27 -------------- C C SS 47 DEC. PT. CTR. 2 FF g E. G. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 28 -------------- DEC PT, CTR. 4 FF F. G. SS Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUAOR Filed Oct. 29, 1963 226. Sheets-Sheet 29 DEC. P.T. CTR. 8 FF E. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet S () - N aa are G DEC PT, STOR. g FF D. PST. E. G. E. FF. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCUATOR Filed Oct. 29, 1963 226 Sheets-Sheet 3) DISPLAY CONT. FF EG - E Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 32 N DV NA < - R - DVDE DV FF. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 33 ENT, PH. CNTR. FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet S 4 ENT. PH. CNTR Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 35 ENT. PH. CNTR. 4 FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 22s. Sheets-Sheet S6 MSD STG. FF MOST SIG. DIGIT STORAGE FF s G MSD STG. FF. G E. G. F. S. . . . . . Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet S -------------- NY V C n1 < al r DCC 13 470 EC 47O FF { I - g MULT FF. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet S3 OSC. CONT. FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCUAOR Filed Oct. 29, 1963 226. Sheets-Sheet 59 O'FLOW ovgow D < E. G. 2 FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 G G - - - - 226. Sheets-Sheet 4 O < < DE 470 RECALL FF I RECALL E. E. FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 G ---- 226. Sheets-Sheet 4 < 3 # FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CAICULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 42 l OO < SGN CONT. SC 2 g FF SC 2 g (NO 33OC) D Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 NA GCC C 226. Sheets-Shet A3 Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 44 SUB. FF" SUB. FF SUBTRACT FF E. G. P. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUATOR Filed Oct. 29, 1963 226. Sheets-Sheet & 5 FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUAOR Filed Oct. 29, 1963 226 Sheets-Shoet 46 D SC 2 SC 4.7 a 5 A2 FF < A2 L E. G. E. L. FF. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 47 is D. C 3C A3 FF 2 C 4.7 y C5 g < A3 E. G. E. P. FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUATOR Filed Oct. 29, 1963 226. Sheets-Sheet 48 FF Dec. 8, 1970 Filed Oct. 29, 1963 3,546,676 R. A. RAGEN CACUATOR 226. Sheets-Shoct 49 A5 A5 E. G. S FF 2 Dec. 8, 1970 3,546,676 R. A. RAGEN CALCULATOR Filed Oct. 29, 1963 228. Sheets-Sheet 5 O B E E. G. SS FF. Dec. 8, 1970 3,546,676 R. A. RAGEN CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 5l. B2 B2 E. E. FF L. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCUATOR Filed Oct. 29, 1963 22s Sheets-aSheet 52 B3 B3 FF Dec. 8, 1970 Filed Oct. 29, 1963 3,546,676 R. A. RAGEN CALCULATOR 22s. Sheets-Sheet 53 B4 B4 E. G. FF Dec. 8, 1970 3,546,676 R. A. RAGEN CACULATOR Filed Oct. 29, 1963 22s. Sheets-Sheet 54 B5 B5 E. E. FF, 2 Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 22s. Sheets-Sheet 55 ------------- C E. E. - FF G Dec. 8, 1970 3,546,676 R. A. RAGEN CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 56 C2 C2 F. G. FF Dec. 8, 1970 R, A, RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 22s. Sheets-Sheet 57 G Y D. 5 N ig gg D< D FF Dec. 8, 1970 3,546,676 R. A. RAGEN CACUATOR Filed Oct. 29, 1963 226. Sheets-Sheet 58 FF" E Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 59 FF" FF Dec. 8, 1970 R. A., RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-a-Sheet 6 () ------------- D FF' D FF. :------ E YA Y w r w - G - G Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 6 ------------- - D2 s ----- E. S. FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 22s Sheets-Sheet 62 D3 D3 FF. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct 29, 1963 226. Sheets-Sheet 63 ------------- - D4 D4 --- s: ---- EF S. P. E. FF Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 64 Dec. 8, 1970 R. A. RAGEN 3,546,676 CAL CULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 65 El Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 228. Sheets-Sheet 66 E. E. . . . .. . Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 6? ------------- E. G. Ef G - - - 4 Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 68 Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 69 ------------- Gl Dec. 8, 1970 R. A. RAGEN 3,546,676 CAL CULATOR Filed Oct. 29, 1963 226. Sheets-a-Sheet 70 -------------- Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 7l ------------- E. G. FG a a Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 78 ------------- E. G. a 2. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Fied Oct. 29, 1963 22s. Sheets-Sheet 73 Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct 29, 1963 226. Sheets-Sheet 74 ------------- - FFo FF FT E. G. 12 122 Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 75 ------------- - F. G. --2 B Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 76 ------------- - E. G. E. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCUATOR Filed Oct. 29, 1963 226. Sheets-Sheet 77 ------------- - FFo FF F. G. G S a Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 228. Sheets-Sheet 73 E LOGICAL FUNCTION 1305-R-A K(r)- OF GATE c(pf)-4 R-B (Kr)-R-c(OHMStxx * - N ABOVE + Na NO CAPACTOR, RESISTOR. 56,ope EFT t BRACKETS AROUND R-B AND E THEREN. d R-C INDICATE COLLECTOR CRCUIT COMMON WITH OTHER GATE(S). XXs "OTHER" N662 GATE NOCS). N662 N662 O R -V LOGICAL FUNCTION OF GATE R (KLOHMS) - V (VOLTS) E P. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Fied Oct. 29, 1963 22s Sheets-Sheet 79 -2V EFI --6V E ECG N662 L E E Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 22s Sheets-Sheet 80 5K O f 8.2K I OOV L E KF E - E NON-JUNCTION NEVER USED JUNCTION JUNCTION E. E. G. 3O5- SC 305 G XX-XX SB XX-XX S XX-XX - O 2 xx-xx --e E. E. E. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 8l - 2V 2N.305 N662 5K 22K y v GATE 88Ab 3O5 5 - 33O 2.2-088Ab 3O5 I5 - 33O 2.2-088Aa G - L. Dec. 8, 1970 R. A. RAGEN 3,546,676 CATCULATOR Filed Oct. 29, 1963 22s Sheets-Sheet 82 - 2V 2N.305 5K -2V -- SW FE 3O5 - 5 - 33O - 22 22O F - 2 -2V F. G. G. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 83 - 2V -- 6V E. G. -- L. E. LOGICAL FUNCTION OF GATE 499 R-A* (KILOHMS)C* (PICOFARADS)* * N ABOVE NPUT LEAD = NO DODE THEREN. -4 R-B (KLOHMS)R-C (KLOHMS) - R-D (KILOHMS) * N = No CAPACTOR, RESISTOR. Era EP, - 22 P. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Fied Oct. 29, 1963 226. Sheets-Sheet 35 (+2-3 + 4 +5+ 6-7--8-9--O) KD = (-o-O)KD 1N V 1. C (4-5-6-7+8)KDs (4-8)KD (1 Y 62 (5-6-7--8-9)KD (5-o- 9) KD (D-7DGT SIGNAL GENERATOR EP, Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUATOR Filed Oct. 29, 1963 226 Sheets-Sheet 86 CLR. ALL --O KF CLRAL KDO 8K SUB t -- 8OW SUB KD b 8K App -BOW O CLR, ENT. LRE 8K ADO KD KF He -8OV CR, ENT, KD | 8K 8K RECALL O REPT f 8K Via KF He 8K -- kf C (RECALL--REPT.) al BK MULT ||||| -BOW Mu KD i 8K DV -- KD h7 -BOW DW KD O EG V VA X7 V V X7 X7 V ENTER 8K Of II/III I-y O N662'S Zue BK DEC. PT -- KF -8OW C 9 - FUNCTION 9 o SGNAL ult DEC. PT. KD VC V -8O GENERATOR G KF KF (ENTER+DV--MULT--REP. - RECALL CHG.SGN.-STORE - CLR. ENT - ADO C +SUB) KO (F) KD O r k 8K < C EC t E. G. L. E. Dec. 8, 1970 3,546,676 R. A. RAGEN CACULATOR 226 Sheets-Short 87 Filed Oct. 29, 1963 CLR. ALL KD CLR. ALL w SUB KD ADO KD 1. CLR. ENT. KD CLR. ENT. -CD STORE KD STORE T CH.G. SGN, KO CHG SGN. RECALL REPT. MU RECALL KD g (RECALL- REPT.) KD MULT KO DV KD DV (F) KD ENTER C DEC, PT. KD DEC. PT. N FUNCTION SIGNA GENERATOR C Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 88 SHORTEST POSSIBLE LEAD OOC RESET SIGNAL CLR. All' b €). GENERATOR RESET SG. S. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCUATOR Fied Oct. 29, 1963 228. Sheets-Sheet 89 MN. LENGTH LEADS CLR, ALL KD 33OC 22O. 2.2K COM, KEY SG. Yay COMMON KEY SIGNAL GENERATOR A = 6 ms COM. KEY SG. S. Dec. 8, 1970 R, A, RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 90 DECMAL POSITION (,2v KEYBOARD Eiff ON -2V OK DECIMAL POSITION THUMBWHEEL ON KEYBOARD DECMAL POST ON SIGNAL GENERATOR (I) E. G. E. EXAMPLE OF NOTATION P(2-9)P = "THE DECMAL POINT IS N THE SECOND OR NINTH PLACE FOR REMANDER OF DECMAL POST ON SWITCH SEE FIG.2O5 oe DPI a beOPIb etc. A17 (2) Art (S) P(5-9-3)P N. E. G. B. Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 3 i. D g f - 2V 2K -2V 6.8K 1. 2K ( 22.o -2V A- (2/ 6.8K 9. 2N.305 2K 27K -2V f D a- D -- -- 6V ( -2V 2K OK -2V y A -->|-- 22K 1. - - - --------- D- 2N3O5 C/ 2K 33K -2V - - --6V E E. P. Ny f-7 - ---- --------- - - -- - -- - - - ---------- - - - - - ul- COMPARE COMPARE -6- SG. \ S GNAL GENERATOR (2/ COMPARE S6. S. . . . . . . Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet : - 2V H 7 HAM b 47f - 39K -2W EFT a b ROW NTENSFER EF. G. B - 2V - 2V b - ? - OWERFLOW O'FLOW O'FLOW SG. S. SIGNAL GENERATOR E is . . . Se Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 93 E – L IE T C -EL C I T +E EF ? · F 2:1 Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 34 8.2K IOOph OSCLATOR EFC - 2V WRTE AMPLFER K8 HAG C --- 80 PS. (2) 4. K 2W (3)/ 2N3O5 4 ----------------- ---ar------ WRITE AMPFER ------------- - - - -- a TO DELAY LINE A A. PIN TO DELAY LINE PIN 7 F 2 A. Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226 Sheets-Sheet 95 4.Y. () k, G) P2-7 OO DECIMAL POSITION area THUMBWHEEL ON CL-- P2 Kiss + Y-k (O &" is: L. KEYBOARD EMASSN KEYBOARD DECMAL POSITION SGNA GENERATOR (A - I. 3. * - G7 GBL t = FI3 GAY sk = G5 GBt - "- .. . . . . . - Dec. 8, 1970 R. A. RAGEN 3,546,676 CALCULATOR Filed Oct. 29, 1963 y 226. Sheets-Sheet 96 V7 V DISPLAY MATRIX V V V /N 1N V C V V V V 1N 1TY H' Ef P Y. AN dp 1. --- r------------- 1N N -- 1N ?\ --- --- --r----------- 1. ----- Ob e/ (1 TY Y 1. Ab Bb --- Cb ... &OK 1Y OK -ev-, i. OK Ob (TY Eb Kb. - OK AOK ---------------m----- N 1N OK 22K Dec. 8, 1970 R. A. RAGEN 3,546,676 CACUAOR Filed Oct. 29, 1963 ty- O5 D- 226. Sheets-Sheet 97 DSP MATRX OUTPUT H9 HAB DSPLAY MATRIX FF D FF. G FF -- ------ D5 FF D4 FF H 8 HAB - -m-, m- m- m aara DIGT r 7 OFFSET SG. S. DIGIT | OFFSET SG. S. d Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 226. Sheets-Sheet 98 SEGMENT GEN. - 8OV F7 HAE 2 2K - 2V SEG. LENGTH mo 2V SEGMENT 3H4 - SG, GENERATOR SEG. S.G. S 2N3O5 A. (2. +6V ECG E -8 OV HORIZ. STARCASE GEN. -2V -2V 2.2K -2V HOR dRAR 4,7K spacsok a g STARCAS K - - - - --- o 5uf STEP .OOlpf 22 K S N662 CONTROL 2N3O4. 2N3O5 Oe u -- Cy N662 330 D +6V D A. 6.8K Fit HAE N662 HORIZ, STAIRCASE RESET 2N3O5 6.8K is 22K - 2V -- -- 6V HORSTARCASE SG. S HORIZ. STAR CASE GENERATOR EG - Dec. 8, 1970 3,546,676 R. A. RAGEN CALCUATOR Filed Oct. 29, 1963 228. Sheets-Shoet 99 (Q.OL180NidZ189) OLLHONidtº(1V) IO4rtNy *9SV71 LNO O & TO -AO8 180 BA!8!0 L#I(019.8 I -:= [ ] T FE) E-T XONAVOfNB2HEO TIBET Dec. 8, 1970 R. A. RAGEN 3,546,676 CACULATOR Filed Oct. 29, 1963 228. Sheets-Sheet 00 VERT, DOT GENERATOR - 8V (REG.) (2. A. (5) N662 D N662 ". ) (6)6 47K f VERT. SEG. SWITCH (O) 27K (O) . 2N3O5 A. 25OO CHAR. 22K HEGHT 9, K - - 8V(REG. Ef E. G. E. -8V (REG.) A p VERTICAL 7- DOT GENERATOR F FF TO VERT CAL STARCASE A& GENERATOR-TERMINAL C - 8V (REG.) SEGMENT SG, et o C/