NL9568C - - Google Patents

Info

Publication number
NL9568C
NL9568C NL9568DA NL9568C NL 9568 C NL9568 C NL 9568C NL 9568D A NL9568D A NL 9568DA NL 9568 C NL9568 C NL 9568C
Authority
NL
Netherlands
Application number
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.)
Publication of NL9568C publication Critical patent/NL9568C/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/72Beacons 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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Building Environments (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
NL9568D 1912-12-18 NL9568C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191302185X 1912-12-18

Publications (1)

Publication Number Publication Date
NL9568C true NL9568C (enrdf_load_stackoverflow)

Family

ID=32657973

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9568D NL9568C (enrdf_load_stackoverflow) 1912-12-18

Country Status (4)

Country Link
DE (2) DE280451C (enrdf_load_stackoverflow)
FR (4) FR453711A (enrdf_load_stackoverflow)
GB (2) GB191302185A (enrdf_load_stackoverflow)
NL (1) NL9568C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070774A (en) * 1952-03-26 1962-12-25 Bernstein Bernard Split ring electroacoustic transducer
WO1990007616A1 (de) * 1989-01-02 1990-07-12 Ingomar Ritsch Brandgehemmte holzbalkendecke

Also Published As

Publication number Publication date
GB191302185A (en) 1913-03-06
FR23488E (fr) 1921-11-30
DE280451C (enrdf_load_stackoverflow)
GB191329221A (en) 1914-05-14
FR453711A (fr) 1913-06-14
FR18527E (fr) 1914-05-13
FR453710A (fr) 1913-06-14
DE280081C (enrdf_load_stackoverflow)

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