CA950989A - Differential receiver - Google Patents

Differential receiver

Info

Publication number
CA950989A
CA950989A CA91431A CA91431A CA950989A CA 950989 A CA950989 A CA 950989A CA 91431 A CA91431 A CA 91431A CA 91431 A CA91431 A CA 91431A CA 950989 A CA950989 A CA 950989A
Authority
CA
Canada
Prior art keywords
differential receiver
differential
receiver
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
Application number
CA91431A
Other languages
English (en)
Other versions
CA91431S (en
Inventor
Helmuth R.E. Von Beckmann
Odon S. Bencsics
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.)
Ivacan Inc
Original Assignee
Ivacan Inc
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 Ivacan Inc filed Critical Ivacan Inc
Application granted granted Critical
Publication of CA950989A publication Critical patent/CA950989A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B35/00—Applications of measuring apparatus or devices for track-building purposes
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/004—Devices for guiding or controlling the machines along a predetermined path
    • E01C19/006—Devices for guiding or controlling the machines along a predetermined path by laser or ultrasound
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/16—Guiding or measuring means, e.g. for alignment, canting, stepwise propagation

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA91431A 1969-09-05 1970-08-24 Differential receiver Expired CA950989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85559169A 1969-09-05 1969-09-05

Publications (1)

Publication Number Publication Date
CA950989A true CA950989A (en) 1974-07-09

Family

ID=25321637

Family Applications (1)

Application Number Title Priority Date Filing Date
CA91431A Expired CA950989A (en) 1969-09-05 1970-08-24 Differential receiver

Country Status (11)

Country Link
US (1) US3675233A (ja)
JP (1) JPS511138B1 (ja)
AT (1) AT317964B (ja)
CA (1) CA950989A (ja)
CH (1) CH519056A (ja)
CS (1) CS189568B2 (ja)
DE (1) DE2043580C3 (ja)
ES (1) ES383383A1 (ja)
FR (1) FR2060993A5 (ja)
GB (1) GB1322785A (ja)
ZA (1) ZA705907B (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775618A (en) * 1972-08-09 1973-11-27 Cannon Inc Method and apparatus for checking and/or correcting railway tracks
CH609149A5 (ja) * 1975-10-23 1979-02-15 Heidenhain Gmbh Dr Johannes
CH643619A5 (fr) * 1981-09-25 1984-06-15 Sig Schweiz Industrieges Machine de chantier ferroviaire.
CH643618A5 (fr) * 1981-09-25 1984-06-15 Sig Schweiz Industrieges Machine de chantier ferroviaire.
JPS5794812U (ja) * 1981-10-29 1982-06-11
US5930904A (en) * 1997-06-17 1999-08-03 Mualem; Charles Catenary system measurement apparatus and method
US20060032063A1 (en) * 2004-08-16 2006-02-16 Fabrication Technology Associates, Inc., Also Known As Fab Tech Method and system for controlling railroad surfacing
AU2014293102B2 (en) 2013-07-24 2020-01-23 Hitachi Rail Sts Usa, Inc. Point detection calibration before switch machine failure
CA2892885C (en) 2015-02-20 2020-07-28 Tetra Tech, Inc. 3d track assessment system and method
US10407835B2 (en) * 2015-07-24 2019-09-10 Focus Point Solutions Projector for track alignment reference systems
US11377130B2 (en) 2018-06-01 2022-07-05 Tetra Tech, Inc. Autonomous track assessment system
US10807623B2 (en) 2018-06-01 2020-10-20 Tetra Tech, Inc. Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA737154A (en) * 1966-06-28 Canada Iron Foundries Limited Means for continually and simultaneously surveying and aligning railroad track
US3218623A (en) * 1961-04-19 1965-11-16 Gen Precision Inc 3 plate proximity scorer
US3129335A (en) * 1961-06-30 1964-04-14 Stewart John Kenneth Photosensitive railroad surveying system
US3144834A (en) * 1961-06-30 1964-08-18 Stewart John Kenneth Means for determining roadbed level and super elevation
US3207904A (en) * 1962-04-09 1965-09-21 Western Electric Co Electro-optical article positioning system
US3270690A (en) * 1962-06-04 1966-09-06 Jackson Vibrators Railway track grading apparatus
CH467386A (de) * 1962-10-15 1969-01-15 Canron Ltd Auf einem Gleis fahrbare Vorrichtung zum Ausrichten des befahrenen Gleises
US3381626A (en) * 1966-03-25 1968-05-07 Jackson Vibrators Track working assembly and control system
US3444384A (en) * 1966-11-07 1969-05-13 Geza E Horeczky Motion selector using ratio of responses of two photoelectric cells
US3521066A (en) * 1969-02-13 1970-07-21 Fairmont Railway Motors Inc Railroad track alignment indicating system employing modulated infrared techniques

Also Published As

Publication number Publication date
FR2060993A5 (ja) 1971-06-18
US3675233A (en) 1972-07-04
DE2043580C3 (de) 1981-12-10
DE2043580A1 (de) 1971-04-01
JPS511138B1 (ja) 1976-01-14
ES383383A1 (es) 1973-01-16
GB1322785A (en) 1973-07-11
AT317964B (de) 1974-09-25
CH519056A (de) 1972-02-15
ZA705907B (en) 1971-04-28
CS189568B2 (en) 1979-04-30
DE2043580B2 (de) 1981-03-26

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