NL129550C - - Google Patents

Info

Publication number
NL129550C
NL129550C NL129550DA NL129550C NL 129550 C NL129550 C NL 129550C NL 129550D A NL129550D A NL 129550DA NL 129550 C NL129550 C NL 129550C
Authority
NL
Netherlands
Application number
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.)
Publication of NL129550C publication Critical patent/NL129550C/xx
Priority claimed from US619335A external-priority patent/US2559905A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)
NL129550D 1945-09-29 NL129550C (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US619335A US2559905A (en) 1945-09-29 1945-09-29 Electric impulse handling system
US14779A US2648060A (en) 1945-09-29 1948-03-13 Coded impulse responsive secret signaling system

Publications (1)

Publication Number Publication Date
NL129550C true NL129550C (xx)

Family

ID=26686509

Family Applications (1)

Application Number Title Priority Date Filing Date
NL129550D NL129550C (xx) 1945-09-29

Country Status (4)

Country Link
US (1) US2648060A (xx)
FR (1) FR934011A (xx)
GB (1) GB651453A (xx)
NL (1) NL129550C (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938202A (en) * 1955-05-03 1960-05-24 Motorola Inc Distance measuring apparatus
US3047857A (en) * 1955-11-30 1962-07-31 Charles W Rockett Emergency indicator alarm
US3302196A (en) * 1957-08-02 1967-01-31 Edward G Mccoy Emergency alarm circuit for use with aircraft detection and recognition systems
US3937880A (en) * 1957-12-05 1976-02-10 The United States Of America As Represented By The Secretary Of The Army Magnetic disc coder-decoder
US3044028A (en) * 1958-04-23 1962-07-10 Harris Transducer Corp Magnetic circuit element transducer
US3192504A (en) * 1960-06-23 1965-06-29 Gen Electric Detection of long waveshapes in automatic symbol reader
US3171108A (en) * 1960-11-23 1965-02-23 Mackeen John Crerar Valuable protection system
US3271515A (en) * 1963-01-28 1966-09-06 Ibm Electronic handwriting detection and display apparatus
US7340918B1 (en) * 2005-11-08 2008-03-11 The United States Of America As Represented By The Secretary Of The Navy Magnetostrictive drive of refrigeration systems

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2134716A (en) * 1936-10-20 1938-11-01 Gunn Ross Measuring speed and distance by radiant energy
US2361437A (en) * 1940-12-24 1944-10-31 Rca Corp Pulse signaling system
US2412974A (en) * 1941-08-29 1946-12-24 Int Standard Electric Corp Electric wave communication system
US2425600A (en) * 1942-12-14 1947-08-12 Gen Electric Pulse relay testing system
BE479411A (xx) * 1943-07-01
US2515178A (en) * 1943-10-12 1950-07-18 Us Army Means for synchronizing detection and interrogation systems
BE473180A (xx) * 1943-10-26
US2444741A (en) * 1943-12-31 1948-07-06 Hazeltine Research Inc Wave-signal translating system
US2415667A (en) * 1944-02-11 1947-02-11 Hazeltine Research Inc Receiver-transmitting arrangement
BE473729A (xx) * 1944-02-11
US2401094A (en) * 1944-06-23 1946-05-28 Colonial Radio Corp Time delay apparatus
US2537102A (en) * 1944-07-26 1951-01-09 Stokes Irving Radio system for identifying friendly aircraft and the like
US2482544A (en) * 1945-05-02 1949-09-20 Us Sec War Pulse code operated electronic range indicator

Also Published As

Publication number Publication date
FR934011A (fr) 1948-05-10
US2648060A (en) 1953-08-04
GB651453A (en) 1951-04-04

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