US3058104A - Decoder-indicator - Google Patents

Decoder-indicator Download PDF

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Publication number
US3058104A
US3058104A US851215A US85121559A US3058104A US 3058104 A US3058104 A US 3058104A US 851215 A US851215 A US 851215A US 85121559 A US85121559 A US 85121559A US 3058104 A US3058104 A US 3058104A
Authority
US
United States
Prior art keywords
decoder
indicator
see
garfinkel
sheets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US851215A
Inventor
Alan R Garfinkel
Nathaniel L Sims
Biagio A Spinelli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sperry Corp
Original Assignee
Sperry Rand Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Priority to US851215A priority Critical patent/US3058104A/en
Application granted granted Critical
Publication of US3058104A publication Critical patent/US3058104A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/781—Secondary Surveillance Radar [SSR] in general
    • G01S13/784—Coders or decoders therefor; Degarbling systems; Defruiting systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/781—Secondary Surveillance Radar [SSR] in general
    • G01S13/782—Secondary Surveillance Radar [SSR] in general using multimoding or selective addressing

Description

Oct. 9, 1962 A. R. GARFINKEL ETAL 3,058,104
DECODER-INDICATOR Filed Nov. 2, 1959 21 Sheets-Sheet l.
ig CONTROL AND INDICATO R No.1 9"
22 0 -40 i |coMPARER N0.1 Pl/Tl coo: swlTcnEsl -04 CONTROL AND INDICATOR No.2
l [coMPARER No.2 Pl/Tl com: SWITCHES]- mz CONTROL AND INDICATOR No.3 2 26 I J 0 4 COMPARER No.3 Pl/Tl com: swn'cmzsl No.3
DECODER 27 (34 |coMPARl-:R No.4 5| cooE swncmsg PASSIVE MIXER SWITCHES K 47 MODE I, 51, SECURITY lDENTlTY 5o LH H n n {H II I II I 3 5 7 9 l3 l5 I A l Fo.5 MICROSECOND 2.9 MICROSECONDS 20.3 MICROSECONDS i \7 2 f 48'. mooasp'l, TRAFFIC IDENTITY 50 n f n J n n CODE PULSE B 7 9 POSITIONS FIRST HALF SECOND H/\ "TENS" "uNn's L (T (Tl 2) K 49 MODEZ PI PERSONAL IDENTITY I23456789l0l||2l3|l5 C +1 -|.45 MICROSECONDS LEFT LETTER RIGHT LETTER (Pl-\) (Pl-2) L INVENTORS A LAN E. GA RF/N/(EL IVA THAN/El L. S/MS B/A 6/0 A. .SP/NELL/ /ZIMM M ATTORNEYS Oct- 9, 1962 A. R. GARFINKEL ETAL 3,058,104
DECODER-INDICATOR 21 Sheets-Sheet 6 Filed Nov. 2, 1959 -lOV lim'nooe FOLLOWER I c. F. (A)
a .l.-|i. I. lwll I 2 .l-|- A .I..H.|-l.
GRID AM PLI Fl ER ZOOVi GROU NDED TRI GGER SCH M ITT //v win/rams AZA/V R. GAkn/V/(EL NATHAN/EL A. SIMS B/A C;/0 .SP/NELL/ MM M ATTUI /VE Y$ Oct. 9, 1962 A. R. GARFINKEL ETAL 3,
DECODER-INDICATOR 2,1 Sheets-Sheet '7 Filed Nov. 2, 1959 06L 1962 A. R. GARFINKEL ETAL 3,
DECODER-INDICATOR Filed Nov. 2, 1959 21 Sheets-Sheet 8 CURRENT LEAD FOR TAP NO.
' 2- 9TO|4 RESET PULSE COMPARER N03 B. c. PULSE L I .L i' I77 1 94 495 I J1.
63 I I 18! l I73 72 I 2 Z i I +65V as l 8 203 I PU 1.5 E VOLTAGE EXCLUSIVE OR 2 169 E2 GATE CURRENT LEAD FOR TAP NO. i Li zy/0.
Oct. 9, 1962 A. R. GARFINKEL ETAL 3,958,104
DECODER-INDICATOR Filed Nov. 2, 1959 21 Sheets-Sheet 9 COMPARER NO. 4..
VOLTAGE LEAD FOR TAP NO.
3 5 7 9 H CURRENT LEAD FOR TAP NO,
-fi: fEf Lil I --:aa 298 2:5 23 I f 2 EXQLUSIVE OR GATES l I 222 l gl i' l N 3 I 1 1 E3 4 I? r 09 2%) 232 i 3 i 223 i I l 5 I I I E5 233 I I I 6 21o 2|? a i IL 7 I I g 57 234? I L i 9 2 a E 9 1 L I I l. l
2n 218 235 :L l0 f gkggflq I i u I l I I H Ell i L I I? 1 ZlZ 2l9 236 ie/I! I A 9 [3 l I85 l5 an 220 229237 I J J4 221 227 i 18 :I9o I 35 228 i I l 238i! cons 1 7 E I +2oov. USWITCHES COMPARER NO 4.
PPI DISPLAY PPI DISPLAY PASSIVE INTERROGAT\ON ACTIVE INTERROGATIQN.
Oct. 9, 1962 A. R. GARFINKEL E'I'AL 3,058,104
DECODER-INDICATOR Filed 1959 21 Sheets-Sheet 1o CONTROL 8( INDlCATOR N0.
MASTER RELAY 4 m, 2M, 3M
SEE FIG. 19.
b COUNTER CIRCUITS 4 2 SELECTOR r r48! 4 DICATOR RELAYS 1s, cal-z- HOLD c|Rcurr$ 4TH 2s, 3S,ANDOFERROR cad-3 473- RELAYS IE, 2E, 3E, ACTIVE oEcooER PULSE SEE H6 20 I RELAYS & INDICATOR 5E5 555 l 493 l 505 FIG.I7 FIGLIS 1 ACTIVE DECODER RELAY SELECTOR I 505 FIG. 2|. SEE SEE 4TH FIG:.3 F|e.4 312 SEE sEE PULSE i /474 3 I GATES a CONTROLS can-2 REsET- I 494 CONTROLS FOR 498 P RESET RELAY R AND DELAY RELAY 0- SEE FIG-22 500 ND CATOR SELECTOR l 465 SIEE FIG. 23 I I }c&|-3-
1 PI 0R Tl INTERRO- I GATION SELECTOR SEE FIG-2.4 )C8 '3l Pl BRIDGE 467 SELECTOR cal-2| STROBE aRANGE SEE 25 GATE GENERATOR 4b8 8RIDGE UNBALANCE a I AMPLIFIER c 5 I GATE SEE FIG. 26 '3' 502 55 55 J 4 FIC:.I5 Flam STROBE & RANGE I 472 I GATE GENERATOR 1 8 E SELECTOR x 504 439 4'7 463 w sEE FIG. 27 OUT PUT FROM RANGE 4O VE. MIX 22 g ER VIDEO CATHODE mxER FOLLOWERS iQcBu-zl 42 SEE (TO PPI l I I 5 5 can-a 47 iii I I I I I I I I I i a: l I I I I I I i 334 479 SEE Fl C1. 6. Fla. 6 I
Oct. 9, 1962 A. R. GARFINKEL ETAL 3,058,104
DECODEiR-INDICATOR Filed Nov. 2, 1959 21 Sheets-Sheet l5 oscoorsn If i zo sTRoBei TT N 480 k l j I gt em u. 537 535 534 I Tocal-l I I FIG-\4 -|2ov -|40v 5Z3 THYRATRON THYRATRON lliYRATRON (To 1 520 521 TD cal-3) MASTER RELAYS) i 524 DEcoDER SELECTOR OFINDICAT'OR RELAYS 15,25,35 61% Oct. 9, 1962 A. R. GARFINKEL ETAL 3,058,104
' DECODEIR-INDI-CA'I'OR Filed Nov. 2, 1959 21 Sheets-Sheet l9 88 489 490 491 492 493 PM CODE LAMPS Cam 482 T |-l CODE LQMPS LAAA Oct. 9, 1962 A. R. GARFINKEL ETAL 3,058,104
DECODER-INDICATOR Filed NOV. 2, 1959 21 Sheets-Sheet 2O 492 SEE H614 Pl-2 CODE Pl 2 CODE LAMP LAMPS
US851215A 1959-11-02 1959-11-02 Decoder-indicator Expired - Lifetime US3058104A (en)

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Application Number Priority Date Filing Date Title
US851215A US3058104A (en) 1959-11-02 1959-11-02 Decoder-indicator

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Application Number Priority Date Filing Date Title
US851215A US3058104A (en) 1959-11-02 1959-11-02 Decoder-indicator

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US3058104A true US3058104A (en) 1962-10-09

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3188629A (en) * 1962-01-30 1965-06-08 Bernarr H Humpherys Decoder-readout and degarbler
US3277466A (en) * 1964-09-29 1966-10-04 Joseph C Gardner Simultaneous multimode iff interrogation system
US3290647A (en) * 1962-05-01 1966-12-06 Sperry Rand Corp Within-limits comparator
US3327055A (en) * 1963-11-13 1967-06-20 Bell Aerospace Corp Data-link system
US3341846A (en) * 1964-11-12 1967-09-12 Bendix Corp Transponder system
US3363235A (en) * 1965-06-07 1968-01-09 Radiation Inc Pulse communication synchronization process
US3440651A (en) * 1966-09-01 1969-04-22 Us Navy Iff active readout control and display system
US3449719A (en) * 1965-02-23 1969-06-10 Us Navy Cam controlled pulse responsive receiver
US3466614A (en) * 1965-08-12 1969-09-09 Thomson Inf & Visualisation T Digital code extractor
US3613085A (en) * 1968-10-04 1971-10-12 Lockheed Aircraft Corp Digitally controlled radio communication system
US3900846A (en) * 1974-01-14 1975-08-19 Lockheed Electronics Co Computer automated radar terminal system
FR2549967A1 (en) * 1983-07-29 1985-02-01 Thomson Csf Device for the identification of secondary radar codes
US5379043A (en) * 1975-09-26 1995-01-03 The United States Of America As Represented By The Secretary Of The Navy Reply-frequency interference/jamming detector
US5426434A (en) * 1970-09-03 1995-06-20 Bishop; Walton B. Semiautomatic jam-accept (SAJAC) decider for mode-4 of the IFF mark XII

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706810A (en) * 1945-09-18 1955-04-19 Andrew B Jacobsen Coded data decoder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706810A (en) * 1945-09-18 1955-04-19 Andrew B Jacobsen Coded data decoder

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3188629A (en) * 1962-01-30 1965-06-08 Bernarr H Humpherys Decoder-readout and degarbler
US3290647A (en) * 1962-05-01 1966-12-06 Sperry Rand Corp Within-limits comparator
US3327055A (en) * 1963-11-13 1967-06-20 Bell Aerospace Corp Data-link system
US3277466A (en) * 1964-09-29 1966-10-04 Joseph C Gardner Simultaneous multimode iff interrogation system
US3341846A (en) * 1964-11-12 1967-09-12 Bendix Corp Transponder system
US3449719A (en) * 1965-02-23 1969-06-10 Us Navy Cam controlled pulse responsive receiver
US3363235A (en) * 1965-06-07 1968-01-09 Radiation Inc Pulse communication synchronization process
US3466614A (en) * 1965-08-12 1969-09-09 Thomson Inf & Visualisation T Digital code extractor
US3440651A (en) * 1966-09-01 1969-04-22 Us Navy Iff active readout control and display system
US3613085A (en) * 1968-10-04 1971-10-12 Lockheed Aircraft Corp Digitally controlled radio communication system
US5426434A (en) * 1970-09-03 1995-06-20 Bishop; Walton B. Semiautomatic jam-accept (SAJAC) decider for mode-4 of the IFF mark XII
US3900846A (en) * 1974-01-14 1975-08-19 Lockheed Electronics Co Computer automated radar terminal system
US5379043A (en) * 1975-09-26 1995-01-03 The United States Of America As Represented By The Secretary Of The Navy Reply-frequency interference/jamming detector
FR2549967A1 (en) * 1983-07-29 1985-02-01 Thomson Csf Device for the identification of secondary radar codes

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