GB770234A - Improvements in or relating to echo sounders - Google Patents

Improvements in or relating to echo sounders

Info

Publication number
GB770234A
GB770234A GB146655A GB146655A GB770234A GB 770234 A GB770234 A GB 770234A GB 146655 A GB146655 A GB 146655A GB 146655 A GB146655 A GB 146655A GB 770234 A GB770234 A GB 770234A
Authority
GB
United Kingdom
Prior art keywords
wheel
motor
free
shaft
rotation
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
GB146655A
Other languages
English (en)
Inventor
Denis Hugh Rolfe
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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
Priority to BE544454D priority Critical patent/BE544454A/xx
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB146655A priority patent/GB770234A/en
Publication of GB770234A publication Critical patent/GB770234A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/003—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion the gear ratio being changed by inversion of torque direction
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gear Transmission (AREA)
GB146655A 1955-09-19 1955-09-19 Improvements in or relating to echo sounders Expired GB770234A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE544454D BE544454A (enExample) 1955-09-19
GB146655A GB770234A (en) 1955-09-19 1955-09-19 Improvements in or relating to echo sounders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB146655A GB770234A (en) 1955-09-19 1955-09-19 Improvements in or relating to echo sounders

Publications (1)

Publication Number Publication Date
GB770234A true GB770234A (en) 1957-03-20

Family

ID=9722482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB146655A Expired GB770234A (en) 1955-09-19 1955-09-19 Improvements in or relating to echo sounders

Country Status (2)

Country Link
BE (1) BE544454A (enExample)
GB (1) GB770234A (enExample)

Also Published As

Publication number Publication date
BE544454A (enExample)

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