DE257212C - - Google Patents

Info

Publication number
DE257212C
DE257212C DENDAT257212D DE257212DA DE257212C DE 257212 C DE257212 C DE 257212C DE NDAT257212 D DENDAT257212 D DE NDAT257212D DE 257212D A DE257212D A DE 257212DA DE 257212 C DE257212 C DE 257212C
Authority
DE
Germany
Prior art keywords
pointer
signal
signal arriving
recording
arrival
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.)
Active
Application number
DENDAT257212D
Other languages
German (de)
English (en)
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 DE257212C publication Critical patent/DE257212C/de
Active 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)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DENDAT257212D 1911-06-10 Active DE257212C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE256747T 1911-06-10

Publications (1)

Publication Number Publication Date
DE257212C true DE257212C (enrdf_load_stackoverflow)

Family

ID=32604293

Family Applications (3)

Application Number Title Priority Date Filing Date
DENDAT257211D Active DE257211C (enrdf_load_stackoverflow) 1911-06-10
DENDAT257212D Active DE257212C (enrdf_load_stackoverflow) 1911-06-10
DE1911256747D Expired - Lifetime DE256747C (enrdf_load_stackoverflow) 1911-06-10 1911-06-10

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT257211D Active DE257211C (enrdf_load_stackoverflow) 1911-06-10

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1911256747D Expired - Lifetime DE256747C (enrdf_load_stackoverflow) 1911-06-10 1911-06-10

Country Status (3)

Country Link
DE (3) DE256747C (enrdf_load_stackoverflow)
FR (1) FR444805A (enrdf_load_stackoverflow)
GB (1) GB191213615A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB191213615A (en) 1913-06-10
DE257211C (enrdf_load_stackoverflow)
FR444805A (fr) 1912-10-26
DE256747C (enrdf_load_stackoverflow)

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