NL148707B - Ultrasone aanwezigheidsdetector. - Google Patents

Ultrasone aanwezigheidsdetector.

Info

Publication number
NL148707B
NL148707B NL6603938A NL6603938A NL148707B NL 148707 B NL148707 B NL 148707B NL 6603938 A NL6603938 A NL 6603938A NL 6603938 A NL6603938 A NL 6603938A NL 148707 B NL148707 B NL 148707B
Authority
NL
Netherlands
Prior art keywords
presence detector
ultrasonic presence
ultrasonic
detector
Prior art date
Application number
NL6603938A
Other languages
English (en)
Dutch (nl)
Other versions
NL6603938A (enrdf_load_stackoverflow
Original Assignee
Gen Signal Corp
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 Gen Signal Corp filed Critical Gen Signal Corp
Publication of NL6603938A publication Critical patent/NL6603938A/xx
Publication of NL148707B publication Critical patent/NL148707B/xx

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
    • G01S15/04—Systems determining presence of a target
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/529—Gain of receiver varied automatically during pulse-recurrence period
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NL6603938A 1965-03-31 1966-03-25 Ultrasone aanwezigheidsdetector. NL148707B (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44414765A 1965-03-31 1965-03-31
US83619169A 1969-05-19 1969-05-19

Publications (2)

Publication Number Publication Date
NL6603938A NL6603938A (enrdf_load_stackoverflow) 1966-10-03
NL148707B true NL148707B (nl) 1976-02-16

Family

ID=27033796

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6603938A NL148707B (nl) 1965-03-31 1966-03-25 Ultrasone aanwezigheidsdetector.

Country Status (4)

Country Link
BE (1) BE677066A (enrdf_load_stackoverflow)
DE (1) DE1516647C3 (enrdf_load_stackoverflow)
GB (1) GB1122552A (enrdf_load_stackoverflow)
NL (1) NL148707B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116136060A (zh) * 2021-11-16 2023-05-19 广州视源电子科技股份有限公司 衣物干湿状态检测方法、装置、衣物护理机及存储介质

Also Published As

Publication number Publication date
BE677066A (enrdf_load_stackoverflow) 1966-07-18
DE1516647A1 (de) 1969-06-19
NL6603938A (enrdf_load_stackoverflow) 1966-10-03
GB1122552A (en) 1968-08-07
DE1516647B2 (de) 1975-01-16
DE1516647C3 (de) 1975-08-28

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: GEN SIGNAL