DE2656256C3 - Schaltungsanordnung zur Überwachung eines Raumes mit Ultraschall - Google Patents

Schaltungsanordnung zur Überwachung eines Raumes mit Ultraschall

Info

Publication number
DE2656256C3
DE2656256C3 DE2656256A DE2656256A DE2656256C3 DE 2656256 C3 DE2656256 C3 DE 2656256C3 DE 2656256 A DE2656256 A DE 2656256A DE 2656256 A DE2656256 A DE 2656256A DE 2656256 C3 DE2656256 C3 DE 2656256C3
Authority
DE
Germany
Prior art keywords
signal
echo
circuit
flop
flip
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
DE2656256A
Other languages
German (de)
English (en)
Other versions
DE2656256B2 (de
DE2656256A1 (de
Inventor
Osaka Hirakata
Hiromitsu Kyoto Inoue
Susumu Katayama
Hiroshi Ohashi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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
Priority claimed from JP50149810A external-priority patent/JPS5272478A/ja
Priority claimed from JP14982675A external-priority patent/JPS5272480A/ja
Priority claimed from JP6952076A external-priority patent/JPS52152199A/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of DE2656256A1 publication Critical patent/DE2656256A1/de
Publication of DE2656256B2 publication Critical patent/DE2656256B2/de
Application granted granted Critical
Publication of DE2656256C3 publication Critical patent/DE2656256C3/de
Expired legal-status Critical Current

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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50Systems of measurement, based on relative movement of the target
    • G01S15/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • G01S15/526Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection by comparing echos in different sonar periods

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE2656256A 1975-12-15 1976-12-11 Schaltungsanordnung zur Überwachung eines Raumes mit Ultraschall Expired DE2656256C3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP50149810A JPS5272478A (en) 1975-12-15 1975-12-15 Supersonic switch
JP14982675A JPS5272480A (en) 1975-12-15 1975-12-15 Method of determining output pulse cycles from supersonic switch
JP6952076A JPS52152199A (en) 1976-06-14 1976-06-14 Amplifier driving system of ultrasonic pulse echo type switch

Publications (3)

Publication Number Publication Date
DE2656256A1 DE2656256A1 (de) 1977-06-23
DE2656256B2 DE2656256B2 (de) 1978-08-10
DE2656256C3 true DE2656256C3 (de) 1979-04-05

Family

ID=27300068

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2656256A Expired DE2656256C3 (de) 1975-12-15 1976-12-11 Schaltungsanordnung zur Überwachung eines Raumes mit Ultraschall

Country Status (4)

Country Link
US (1) US4131872A (enExample)
DE (1) DE2656256C3 (enExample)
FR (1) FR2335853A1 (enExample)
GB (1) GB1568229A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319332A (en) 1978-04-28 1982-03-09 Zellweger Uster Ltd. Method and apparatus for space monitoring by means of pulsed directional beam

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585272A (en) * 1978-12-22 1980-06-27 Kooa Denshi Kogyo Kk Body confirming device
DE2938969C2 (de) * 1979-09-26 1984-12-13 Siemens AG, 1000 Berlin und 8000 München Ultraschall-Raumüberwachungssystem nach dem Impuls-Echo-Verfahren
EP0058205B1 (en) * 1980-08-20 1987-01-14 Secom Co, Ltd. Ultrasonic warning system
US4382291A (en) * 1980-10-17 1983-05-03 Secom Co., Ltd. Surveillance system in which a reflected signal pattern is compared to a reference pattern
DE3226517C2 (de) * 1982-07-15 1984-08-30 Siemens AG, 1000 Berlin und 8000 München Verfahren und Einrichtung zur Raumüberwachung durch digitale Auswertung eines komplexen Echosignals
GB2137749A (en) * 1983-04-07 1984-10-10 Healey Meters Limited Intruder Detection System
DE3906627A1 (de) * 1989-03-02 1990-09-06 Megamos F & G Sicherheit Verfahren und anordnung zur raumueberwachung nach dem impuls-echoverfahren
US5036706A (en) * 1989-08-08 1991-08-06 Web Printing Controls Co., Inc. Sonic web break detector
US5269188A (en) * 1991-07-29 1993-12-14 Rosemount Inc. Continuous self test time gate ultrasonic sensor and method
CN1045658C (zh) * 1991-07-29 1999-10-13 基·雷/森索尔有限公司 带有自动自测功能的探测方法及其超声探测器
US5428984A (en) * 1993-08-30 1995-07-04 Kay-Ray/Sensall, Inc. Self test apparatus for ultrasonic sensor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474400A (en) * 1965-03-31 1969-10-21 Gen Signal Corp Sonic presence detection system and method
US3500302A (en) * 1969-01-13 1970-03-10 Us Navy Sonar bathymetry system transmit-receive sequence programmer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319332A (en) 1978-04-28 1982-03-09 Zellweger Uster Ltd. Method and apparatus for space monitoring by means of pulsed directional beam

Also Published As

Publication number Publication date
US4131872A (en) 1978-12-26
DE2656256B2 (de) 1978-08-10
DE2656256A1 (de) 1977-06-23
FR2335853A1 (fr) 1977-07-15
GB1568229A (en) 1980-05-29
FR2335853B1 (enExample) 1981-07-10

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)