CH257135A - Anlage zur Sicherung des Fahrzeugverkehrs durch drahtlosen Fernmeldeverkehr zwischen zwei Stationen. - Google Patents

Anlage zur Sicherung des Fahrzeugverkehrs durch drahtlosen Fernmeldeverkehr zwischen zwei Stationen.

Info

Publication number
CH257135A
CH257135A CH257135DA CH257135A CH 257135 A CH257135 A CH 257135A CH 257135D A CH257135D A CH 257135DA CH 257135 A CH257135 A CH 257135A
Authority
CH
Switzerland
Prior art keywords
stations
wireless telecommunications
vehicle traffic
securing vehicle
securing
Prior art date
Application number
Other languages
English (en)
Inventor
Corporation Hazeltine
Original Assignee
Hazeltine 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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of CH257135A publication Critical patent/CH257135A/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/125—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using short-range radio transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
    • B61L23/12—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only partly operated by train
    • 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
    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/933—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
CH257135D 1945-09-18 1946-09-18 Anlage zur Sicherung des Fahrzeugverkehrs durch drahtlosen Fernmeldeverkehr zwischen zwei Stationen. CH257135A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61702045A 1945-09-18 1945-09-18
US167814A US2664561A (en) 1945-09-18 1950-06-13 Pulse-code selective communication system

Publications (1)

Publication Number Publication Date
CH257135A true CH257135A (de) 1948-09-30

Family

ID=26863500

Family Applications (1)

Application Number Title Priority Date Filing Date
CH257135D CH257135A (de) 1945-09-18 1946-09-18 Anlage zur Sicherung des Fahrzeugverkehrs durch drahtlosen Fernmeldeverkehr zwischen zwei Stationen.

Country Status (7)

Country Link
US (1) US2664561A (de)
BE (1) BE467988A (de)
CH (1) CH257135A (de)
DE (1) DE809318C (de)
FR (1) FR933688A (de)
GB (1) GB663709A (de)
NL (1) NL80438C (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE940534C (de) * 1952-01-12 1956-03-22 Siemens Ag Eisenbahn-Sicherungseinrichtung mit drahtloser UEbertragung von Fahrortmeldungen vom Zug an eine Zentrale und von Befehlen an den Zug
US3093795A (en) * 1959-06-29 1963-06-11 Attwood Statistics Ltd Audience preference analysis system utilizing continuously interrogated responder staions
NL267382A (de) * 1960-07-22
DE1219998B (de) * 1961-07-27 1966-06-30 Atlas Werke Ag Radaranlage auf Schiffen
US3449745A (en) * 1965-01-15 1969-06-10 Lockheed Aircraft Corp Synthetic beam sharpening system
CN103264714B (zh) * 2013-05-20 2015-08-26 卡斯柯信号有限公司 城市轨道交通系统中基于目的地的延续防护进路触发方法

Family Cites Families (21)

* 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
US2157122A (en) * 1937-05-10 1939-05-09 Francis W Dunmore Warning system for indicating the proximity of aircraft
US2252083A (en) * 1938-04-23 1941-08-12 Rca Corp Radio traffic control
US2301929A (en) * 1940-06-20 1942-11-17 Bell Telephone Labor Inc Radio distance and altitude indicating system
US2378604A (en) * 1940-09-21 1945-06-19 Wallace Marcel Radio altimeter and panoramic reception system
US2361437A (en) * 1940-12-24 1944-10-31 Rca Corp Pulse signaling system
US2403603A (en) * 1941-02-05 1946-07-09 Square D Co Wireless communication
US2453970A (en) * 1941-05-31 1948-11-16 Rca Corp Recognition system for pulse echo radio locators
US2406970A (en) * 1941-11-29 1946-09-03 Rca Corp Radio pulse indicator
US2392546A (en) * 1942-02-20 1946-01-08 Rca Corp Pulse modulation receiver
US2363571A (en) * 1943-01-06 1944-11-28 Bell Telephone Labor Inc Radio signaling
US2481515A (en) * 1943-03-30 1949-09-13 Sperry Corp Method and apparatus for pulseecho distance measuring
BE473180A (de) * 1943-10-26
US2444741A (en) * 1943-12-31 1948-07-06 Hazeltine Research Inc Wave-signal translating system
US2425315A (en) * 1944-02-17 1947-08-12 Rca Corp Pulse communication system
BE480685A (de) * 1944-04-29
US2502454A (en) * 1944-12-27 1950-04-04 Standard Telephones Cables Ltd Method and means for improving signal to noise ratio of selected pulse signals
US2513282A (en) * 1945-05-14 1950-07-04 Standard Telephones Cables Ltd Beacon system
US2517540A (en) * 1945-08-11 1950-08-08 Standard Telephones Cables Ltd Distance measuring system
US2535038A (en) * 1946-01-26 1950-12-26 Standard Telephones Cables Ltd Position indicator system
US2501109A (en) * 1946-11-22 1950-03-21 Panoramic Radio Corp Radar distance and altitude indicator

Also Published As

Publication number Publication date
DE809318C (de) 1951-07-26
FR933688A (fr) 1948-04-28
US2664561A (en) 1953-12-29
NL80438C (de)
GB663709A (en) 1951-12-27
BE467988A (de)

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