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NO117625B - - Google Patents

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Info

Publication number
NO117625B
NO117625B NO155783A NO15578364A NO117625B NO 117625 B NO117625 B NO 117625B NO 155783 A NO155783 A NO 155783A NO 15578364 A NO15578364 A NO 15578364A NO 117625 B NO117625 B NO 117625B
Authority
NO
Norway
Prior art keywords
powder
gel
pressure
mold
stated
Prior art date
Application number
NO155783A
Other languages
English (en)
Norwegian (no)
Inventor
H Drenkelfort
G Maass
Original Assignee
Electroacustic Gmbh
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 Electroacustic Gmbh filed Critical Electroacustic Gmbh
Publication of NO117625B publication Critical patent/NO117625B/no

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/02Volume compression or expansion in amplifiers having discharge tubes
    • 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
    • G01S1/00Beacons 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
    • G01S1/72Beacons 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
    • 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523Details of pulse systems
    • G01S7/526Receivers
    • G01S7/529Gain of receiver varied automatically during pulse-recurrence period
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00Communications, electrical: acoustic wave systems and devices
    • Y10S367/901Noise or unwanted signal reduction in nonseismic receiving system

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)
  • Powder Metallurgy (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
NO155783A 1964-06-26 1964-11-27 NO117625B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE27282A DE1265002B (de) 1964-06-26 1964-06-26 Echolotgeraet

Publications (1)

Publication Number Publication Date
NO117625B true NO117625B (xx) 1969-09-01

Family

ID=7072628

Family Applications (1)

Application Number Title Priority Date Filing Date
NO155783A NO117625B (xx) 1964-06-26 1964-11-27

Country Status (8)

Country Link
US (1) US3350682A (xx)
JP (1) JPS4937547B1 (xx)
BE (1) BE657952A (xx)
DE (1) DE1265002B (xx)
ES (1) ES312637A1 (xx)
GB (1) GB1115261A (xx)
NO (1) NO117625B (xx)
SE (1) SE305823B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133080C2 (de) * 1981-08-21 1983-05-26 Honeywell-Elac-Nautik Gmbh, 2300 Kiel Schaltungsanordnung für Echolotgeräte
CN107727176B (zh) * 2017-10-19 2023-12-26 西安安森智能仪器股份有限公司 一种超声波气体流量计及其流量测量方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094681A (en) * 1953-06-01 1963-06-18 Atlas Werke Ag Non-linear recording amplifier
DK89938C (da) * 1956-07-28 1960-10-31 Atlas Werke Ag Fremgangsmåde til optegning af modtagne ekko ved ekkolodning samt forstærkerkoblinger til brug ved gennemførelse af fremgangsmåden.

Also Published As

Publication number Publication date
GB1115261A (en) 1968-05-29
SE305823B (xx) 1968-11-04
BE657952A (xx) 1965-04-30
US3350682A (en) 1967-10-31
JPS4937547B1 (xx) 1974-10-09
ES312637A1 (es) 1965-07-01
DE1265002B (de) 1968-03-28

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