FR2159503A1 - - Google Patents

Info

Publication number
FR2159503A1
FR2159503A1 FR7240047A FR7240047A FR2159503A1 FR 2159503 A1 FR2159503 A1 FR 2159503A1 FR 7240047 A FR7240047 A FR 7240047A FR 7240047 A FR7240047 A FR 7240047A FR 2159503 A1 FR2159503 A1 FR 2159503A1
Authority
FR
France
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.)
Granted
Application number
FR7240047A
Other versions
FR2159503B1 (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.)
FARAD AB
Original Assignee
FARAD AB
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 FARAD AB filed Critical FARAD AB
Publication of FR2159503A1 publication Critical patent/FR2159503A1/fr
Application granted granted Critical
Publication of FR2159503B1 publication Critical patent/FR2159503B1/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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR7240047A 1971-11-12 1972-11-10 Expired FR2159503B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1449671 1971-11-12

Publications (2)

Publication Number Publication Date
FR2159503A1 true FR2159503A1 (fr) 1973-06-22
FR2159503B1 FR2159503B1 (fr) 1976-08-20

Family

ID=20299201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7240047A Expired FR2159503B1 (fr) 1971-11-12 1972-11-10

Country Status (5)

Country Link
US (1) US3805223A (fr)
JP (1) JPS4860656A (fr)
DE (1) DE2255179C3 (fr)
FR (1) FR2159503B1 (fr)
GB (1) GB1398758A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337550B2 (fr) * 1974-10-02 1978-10-09
GB1544961A (en) * 1976-03-04 1979-04-25 Rca Corp High resolution pulse-echo ultrasonic imaging display system
DE59102767D1 (de) * 1990-07-27 1994-10-06 Siemens Ag Ultraschall-überwachungssystem für einen kfz-innenraum.
US5905067A (en) * 1997-02-10 1999-05-18 Procter & Gamble Company System for delivering hydrophobic liquid bleach activators

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406385A (en) * 1965-08-16 1968-10-15 Hughes Aircraft Co Intruder detection system
US3553636A (en) * 1969-01-27 1971-01-05 Bindicator Co Noncontact ultrasonic interface viscosity and percent solid detecting device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042899A (en) * 1959-06-16 1962-07-03 Gen Railway Signal Co Ultrasonic vehicle detection system
US3086196A (en) * 1960-10-10 1963-04-16 Gen Railway Signal Co Pulsed ultrasonic detector
US3733580A (en) * 1970-12-22 1973-05-15 Pitney Bowes Inc Acoustical sensing curtain

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406385A (en) * 1965-08-16 1968-10-15 Hughes Aircraft Co Intruder detection system
US3553636A (en) * 1969-01-27 1971-01-05 Bindicator Co Noncontact ultrasonic interface viscosity and percent solid detecting device

Also Published As

Publication number Publication date
GB1398758A (en) 1975-06-25
DE2255179A1 (de) 1973-05-24
FR2159503B1 (fr) 1976-08-20
DE2255179C3 (de) 1974-08-29
DE2255179B2 (de) 1974-02-07
US3805223A (en) 1974-04-16
JPS4860656A (fr) 1973-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse