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FR2010605A1 - - Google Patents

Info

Publication number
FR2010605A1
FR2010605A1 FR6919176A FR6919176A FR2010605A1 FR 2010605 A1 FR2010605 A1 FR 2010605A1 FR 6919176 A FR6919176 A FR 6919176A FR 6919176 A FR6919176 A FR 6919176A FR 2010605 A1 FR2010605 A1 FR 2010605A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6919176A
Other languages
French (fr)
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of FR2010605A1 publication Critical patent/FR2010605A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
    • B61L23/041—Obstacle detection
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/04—Systems determining the presence of a target
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/74—Systems using reradiation of electromagnetic waves other than radio waves, e.g. IFF, i.e. identification of friend or foe

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
FR6919176A 1968-06-10 1969-06-10 Withdrawn FR2010605A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73575668A 1968-06-10 1968-06-10

Publications (1)

Publication Number Publication Date
FR2010605A1 true FR2010605A1 (en) 1970-02-20

Family

ID=24957055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6919176A Withdrawn FR2010605A1 (en) 1968-06-10 1969-06-10

Country Status (2)

Country Link
US (1) US3500063A (en)
FR (1) FR2010605A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613066A (en) * 1968-10-22 1971-10-12 Cii Computer input equipment
US3619630A (en) * 1969-02-14 1971-11-09 Brunswick Corp Arrow detection system employing a sweeping laser beam
US3725699A (en) * 1971-01-19 1973-04-03 Westinghouse Air Brake Co Train detection system for railroad grade crossing
IL38575A (en) * 1971-01-21 1977-02-28 Australasian Training Aids Pty Method and apparatus for indicating the passing of a projectile through an area in space
IL38807A (en) * 1971-02-23 1977-01-31 Australasian Training Aids Pty Method and apparatus for determining the passing of a projectile through an area in space
DE2548465A1 (en) * 1975-10-29 1977-09-22 Sick Optik Elektronik Erwin DOOR SAFETY LIGHT BARRIER
US4097800A (en) * 1977-01-12 1978-06-27 The United States Of America As Represented By The Secretary Of The Army Laser screen
US4972494A (en) * 1988-02-26 1990-11-20 R. J. Reynolds Tobacco Company Package inspection system
US5369284A (en) * 1993-03-30 1994-11-29 The Charles Stark Draper Laboratory, Inc. Active edge position measuring device
US8847924B2 (en) * 2005-10-03 2014-09-30 Hewlett-Packard Development Company, L.P. Reflecting light

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769374A (en) * 1951-10-19 1956-11-06 Sick Erwin Electrical light screen
DE1221927B (en) * 1964-05-06 1966-07-28 Sick Erwin Light barrier, in particular accident protection device

Also Published As

Publication number Publication date
US3500063A (en) 1970-03-10

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Legal Events

Date Code Title Description
ST Notification of lapse