FR610353A - Procédé et dispositifs hertziens et ultra-sonores combinés, pour la navigation - Google Patents

Procédé et dispositifs hertziens et ultra-sonores combinés, pour la navigation

Info

Publication number
FR610353A
FR610353A FR610353DA FR610353A FR 610353 A FR610353 A FR 610353A FR 610353D A FR610353D A FR 610353DA FR 610353 A FR610353 A FR 610353A
Authority
FR
France
Prior art keywords
navigation
devices
ultrasonic method
combined wireless
wireless
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
English (en)
Inventor
Charles-Louis Florisson
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.)
Societe de Condensation et dApplications Mecaniques
Original Assignee
Societe de Condensation et dApplications Mecaniques
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 Societe de Condensation et dApplications Mecaniques filed Critical Societe de Condensation et dApplications Mecaniques
Application granted granted Critical
Publication of FR610353A publication Critical patent/FR610353A/fr
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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/16—Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electrical and acoustic signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR610353D 1925-09-08 1925-09-08 Procédé et dispositifs hertziens et ultra-sonores combinés, pour la navigation Expired FR610353A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR610353T 1925-09-08

Publications (1)

Publication Number Publication Date
FR610353A true FR610353A (fr) 1926-09-04

Family

ID=8977341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR610353D Expired FR610353A (fr) 1925-09-08 1925-09-08 Procédé et dispositifs hertziens et ultra-sonores combinés, pour la navigation

Country Status (2)

Country Link
FR (1) FR610353A (fr)
GB (1) GB258235A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6662137B2 (en) * 2000-12-19 2003-12-09 Hewlett-Packard Development Company, L.P. Device location discovery by sound

Also Published As

Publication number Publication date
GB258235A (en) 1927-09-29

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