US3191146A - Visual landing aid for airplanes - Google Patents

Visual landing aid for airplanes Download PDF

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Publication number
US3191146A
US3191146A US182236A US18223662A US3191146A US 3191146 A US3191146 A US 3191146A US 182236 A US182236 A US 182236A US 18223662 A US18223662 A US 18223662A US 3191146 A US3191146 A US 3191146A
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United States
Prior art keywords
lens
axis
lamp units
parallel
lamp
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Expired - Lifetime
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US182236A
Inventor
Reginald F Mitchell
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Individual
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Priority to US182236A priority Critical patent/US3191146A/en
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Publication of US3191146A publication Critical patent/US3191146A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/18—Visual or acoustic landing aids
    • B64F1/20—Arrangement of optical beacons

Description

June 22, R' F. MITCHELL 3,19l,l46
vSUAL LANDING AD FOR ARPLANES Fed March 26 1962 2 Sheetssheet 2 Mirror FIG.|O

Claims (1)

1. AN AIRPLANE VISUAL LANDING AID DEVICE CONSISTING OF AN ESSENTIALLY LIGHT TIGHT CASE CONTAINING A LENS AT ONE END AND TWO LAMP UNITS AT THE OTHER, SAID LAMP UNITS CONSISTING OF LINE FILAMENT TYPE LAMPS ARRANGED HORIZONTALLY AND PARALLEL TO SAID LENS AND ALSO PARALLEL TO THE OPTICAL AXIS OF SAID DEVICE, ONE SAID LAMP UNIT BEING SET BELOW SAID AXIS AND ONE LAMP UNIT ABOVE SAID AXIS, WITH BOTH BEING SET INSIDE THE NORMAL FOCAL POINT OF SAID LENS SO THAT TWO VIRTUAL IMAGES APPEARING AS LINES OF LIGHT WILL BE FORMED A SUBSTANTIAL DISTANCE BACK OF SAID DEVICE, WITH SAID OPTICAL AXIS SET AT AN ANGLE TO THE RUNWAY EQUIVALENT TO THE DESIRED GLIDE SLOPE APPROACH ANGLE, WITH SPECIAL COLOR FILTERS SET BETWEEN SAID LAMP UNITS AND SAID LENS IN SUCH A WAY THAT A PILOT APPROACHING FOR A LANDING AT TOO
US182236A 1962-03-26 1962-03-26 Visual landing aid for airplanes Expired - Lifetime US3191146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US182236A US3191146A (en) 1962-03-26 1962-03-26 Visual landing aid for airplanes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US182236A US3191146A (en) 1962-03-26 1962-03-26 Visual landing aid for airplanes

Publications (1)

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US3191146A true US3191146A (en) 1965-06-22

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US182236A Expired - Lifetime US3191146A (en) 1962-03-26 1962-03-26 Visual landing aid for airplanes

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279406A (en) * 1965-01-14 1966-10-18 Colin J Ricketts Glide path indicator system
US3447129A (en) * 1966-06-17 1969-05-27 Henry P Birmingham Aircraft depth-of-flash optical guidance system
US3581275A (en) * 1965-10-23 1971-05-25 Rosemount Eng Co Ltd Moire fringe producing device used for interception course indication
US3599143A (en) * 1968-02-07 1971-08-10 Lockheed Aircraft Corp Visual surface guidance apparatus
US3648229A (en) * 1970-03-23 1972-03-07 Mc Donnell Douglas Corp Pulse coded vehicle guidance system
US3972125A (en) * 1973-06-14 1976-08-03 Collins William O Visual approach and landing system for aircraft with supplementary indicating and warning devices
FR2338188A1 (en) * 1976-01-16 1977-08-12 Backer Ets Adrien De Visual glide path indicator - has projector with glowlamps on and offset from reflector axes
US4170767A (en) * 1977-02-25 1979-10-09 Tanner Jesse H Visual approach system for aircraft
US4222027A (en) * 1976-05-24 1980-09-09 U.S. Philips Corporation Glide path lighting system
US4707696A (en) * 1986-01-29 1987-11-17 The United States Of America As Represented By The Secretary Of The Air Force Portable glide slope indicator
US4912465A (en) * 1987-08-31 1990-03-27 Kreuter Marine Corporation Rudder position indicator
US5200748A (en) * 1988-01-14 1993-04-06 Attfield Ronald E Path guidance indication apparatus for vehicles or craft
US5448235A (en) * 1993-08-30 1995-09-05 The United States Of America As Represented By The Secretary Of The Navy Single laser method and system for marine channel marking
US7549263B1 (en) 2006-06-20 2009-06-23 Sip Home Systems, Inc. Structural insulated panel with hold down chase
WO2017055681A1 (en) * 2015-09-29 2017-04-06 Obelux Oy Precision approach path indicator with a novel reflector arrangement
US10710743B1 (en) * 2019-01-07 2020-07-14 Honeywell International Inc. Landing light system for aircraft

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441877A (en) * 1943-06-04 1948-05-18 William J Flett Beacon system
US2913702A (en) * 1955-05-27 1959-11-17 Gen Electric Co Ltd Angle of approach indicators for aircraft landings
US3012224A (en) * 1958-02-28 1961-12-05 Gen Electric Co Ltd Angle of approach indicators for aircraft landings

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441877A (en) * 1943-06-04 1948-05-18 William J Flett Beacon system
US2913702A (en) * 1955-05-27 1959-11-17 Gen Electric Co Ltd Angle of approach indicators for aircraft landings
US3012224A (en) * 1958-02-28 1961-12-05 Gen Electric Co Ltd Angle of approach indicators for aircraft landings

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279406A (en) * 1965-01-14 1966-10-18 Colin J Ricketts Glide path indicator system
US3581275A (en) * 1965-10-23 1971-05-25 Rosemount Eng Co Ltd Moire fringe producing device used for interception course indication
US3447129A (en) * 1966-06-17 1969-05-27 Henry P Birmingham Aircraft depth-of-flash optical guidance system
US3599143A (en) * 1968-02-07 1971-08-10 Lockheed Aircraft Corp Visual surface guidance apparatus
US3648229A (en) * 1970-03-23 1972-03-07 Mc Donnell Douglas Corp Pulse coded vehicle guidance system
US3972125A (en) * 1973-06-14 1976-08-03 Collins William O Visual approach and landing system for aircraft with supplementary indicating and warning devices
FR2338188A1 (en) * 1976-01-16 1977-08-12 Backer Ets Adrien De Visual glide path indicator - has projector with glowlamps on and offset from reflector axes
US4222027A (en) * 1976-05-24 1980-09-09 U.S. Philips Corporation Glide path lighting system
US4170767A (en) * 1977-02-25 1979-10-09 Tanner Jesse H Visual approach system for aircraft
US4707696A (en) * 1986-01-29 1987-11-17 The United States Of America As Represented By The Secretary Of The Air Force Portable glide slope indicator
US4912465A (en) * 1987-08-31 1990-03-27 Kreuter Marine Corporation Rudder position indicator
US5200748A (en) * 1988-01-14 1993-04-06 Attfield Ronald E Path guidance indication apparatus for vehicles or craft
US5448235A (en) * 1993-08-30 1995-09-05 The United States Of America As Represented By The Secretary Of The Navy Single laser method and system for marine channel marking
US7549263B1 (en) 2006-06-20 2009-06-23 Sip Home Systems, Inc. Structural insulated panel with hold down chase
WO2017055681A1 (en) * 2015-09-29 2017-04-06 Obelux Oy Precision approach path indicator with a novel reflector arrangement
US20180273205A1 (en) * 2015-09-29 2018-09-27 Obelux Oy Precision approach path indicator with a novel reflector arrangement
US10654591B2 (en) * 2015-09-29 2020-05-19 Obelux Oy Precision approach path indicator with a novel reflector arrangement
US10710743B1 (en) * 2019-01-07 2020-07-14 Honeywell International Inc. Landing light system for aircraft

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