GB499380A - Improvements in or relating to the correctors of listening apparatus - Google Patents

Improvements in or relating to the correctors of listening apparatus

Info

Publication number
GB499380A
GB499380A GB2012637A GB2012637A GB499380A GB 499380 A GB499380 A GB 499380A GB 2012637 A GB2012637 A GB 2012637A GB 2012637 A GB2012637 A GB 2012637A GB 499380 A GB499380 A GB 499380A
Authority
GB
United Kingdom
Prior art keywords
angle
shaft
pointer
aircraft
rotate
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
GB2012637A
Other languages
English (en)
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.)
TEPAS KOMANDITNI SPOLECNOST HA
Original Assignee
TEPAS KOMANDITNI SPOLECNOST HA
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 NL48580D priority Critical patent/NL48580C/xx
Application filed by TEPAS KOMANDITNI SPOLECNOST HA filed Critical TEPAS KOMANDITNI SPOLECNOST HA
Priority to GB2012637A priority patent/GB499380A/en
Publication of GB499380A publication Critical patent/GB499380A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
GB2012637A 1937-07-20 1937-07-20 Improvements in or relating to the correctors of listening apparatus Expired GB499380A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL48580D NL48580C (de) 1937-07-20
GB2012637A GB499380A (en) 1937-07-20 1937-07-20 Improvements in or relating to the correctors of listening apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2012637A GB499380A (en) 1937-07-20 1937-07-20 Improvements in or relating to the correctors of listening apparatus

Publications (1)

Publication Number Publication Date
GB499380A true GB499380A (en) 1939-01-20

Family

ID=10140809

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2012637A Expired GB499380A (en) 1937-07-20 1937-07-20 Improvements in or relating to the correctors of listening apparatus

Country Status (2)

Country Link
GB (1) GB499380A (de)
NL (1) NL48580C (de)

Also Published As

Publication number Publication date
NL48580C (de)

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