FR591105A - Method and device for the detection of flying devices invisible to the naked eye - Google Patents

Method and device for the detection of flying devices invisible to the naked eye

Info

Publication number
FR591105A
FR591105A FR591105DA FR591105A FR 591105 A FR591105 A FR 591105A FR 591105D A FR591105D A FR 591105DA FR 591105 A FR591105 A FR 591105A
Authority
FR
France
Prior art keywords
detection
naked eye
flying devices
invisible
devices invisible
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
Other languages
French (fr)
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.)
C P GOERZ
Optische Anstalt CP Goerz AG
Original Assignee
C P GOERZ
Optische Anstalt CP Goerz AG
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 C P GOERZ, Optische Anstalt CP Goerz AG filed Critical C P GOERZ
Application granted granted Critical
Publication of FR591105A publication Critical patent/FR591105A/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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Navigation (AREA)
  • Gyroscopes (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Golf Clubs (AREA)
FR591105D 1923-11-16 1924-11-14 Method and device for the detection of flying devices invisible to the naked eye Expired FR591105A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CS224917X 1923-11-16
DEA41038D DE421615C (en) 1923-11-16 1923-11-23 Device for locating aircraft that cannot be seen with the naked eye
DEG61704D DE422189C (en) 1923-11-16 1924-06-29 Device for locating aircraft that cannot be seen with the naked eye

Publications (1)

Publication Number Publication Date
FR591105A true FR591105A (en) 1925-06-29

Family

ID=31950043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR591105D Expired FR591105A (en) 1923-11-16 1924-11-14 Method and device for the detection of flying devices invisible to the naked eye

Country Status (3)

Country Link
DE (2) DE421615C (en)
FR (1) FR591105A (en)
GB (2) GB224917A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117030202A (en) * 2023-07-21 2023-11-10 成都飞机工业（集团）有限责任公司 Optical detection sample pose adjusting device and application method thereof

Also Published As

Publication number Publication date
DE421615C (en) 1925-11-20
GB224917A (en) 1925-08-13
GB236191A (en) 1926-07-22
DE422189C (en) 1925-12-01

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