IT962143B - Circuito discriminatore di impulsi per localizzatori sona - Google Patents

Circuito discriminatore di impulsi per localizzatori sona

Info

Publication number
IT962143B
IT962143B IT52231/72A IT5223172A IT962143B IT 962143 B IT962143 B IT 962143B IT 52231/72 A IT52231/72 A IT 52231/72A IT 5223172 A IT5223172 A IT 5223172A IT 962143 B IT962143 B IT 962143B
Authority
IT
Italy
Prior art keywords
sona
localizers
discriminating circuit
pulse discriminating
pulse
Prior art date
Application number
IT52231/72A
Other languages
English (en)
Original Assignee
Lowrance Electronics Mfg
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 Lowrance Electronics Mfg filed Critical Lowrance Electronics Mfg
Application granted granted Critical
Publication of IT962143B publication Critical patent/IT962143B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G01R29/0273—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)
    • 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
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals
    • G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period
    • 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
    • G01S7/527—Extracting wanted echo signals
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Manipulation Of Pulses (AREA)
IT52231/72A 1971-08-20 1972-08-17 Circuito discriminatore di impulsi per localizzatori sona IT962143B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17347971A 1971-08-20 1971-08-20

Publications (1)

Publication Number Publication Date
IT962143B true IT962143B (it) 1973-12-20

Family

ID=22632216

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52231/72A IT962143B (it) 1971-08-20 1972-08-17 Circuito discriminatore di impulsi per localizzatori sona

Country Status (5)

Country Link
US (1) US3747053A (it)
JP (1) JPS4830455A (it)
DE (1) DE2240810A1 (it)
FR (1) FR2151304A5 (it)
IT (1) IT962143B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235259U (it) * 1975-09-04 1977-03-12
US4210970A (en) * 1976-12-16 1980-07-01 Space Age Electronics Limited Echo sounders
JPS5542081A (en) * 1978-09-20 1980-03-25 Matsushita Electric Ind Co Ltd Ultrasonic pulse processing circuit
JPS55144568A (en) * 1979-04-28 1980-11-11 Yokogawa Hokushin Electric Corp Noise eliminating circuit of ultrasonic wave apparatus
US4261008A (en) * 1980-01-15 1981-04-07 Rca Corporation Dual standard color framer
US5260912A (en) * 1991-05-17 1993-11-09 Computrol, Inc. Side-looking fish finder
US5955854A (en) * 1992-09-29 1999-09-21 Prospects Corporation Power driven venting of a vehicle
CA2887031A1 (en) 2014-04-03 2015-10-03 Johnson Outdoors Inc. Sonar mapping system
US10545235B2 (en) 2016-11-01 2020-01-28 Johnson Outdoors Inc. Sonar mapping system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6911200A (it) * 1968-08-03 1970-02-05

Also Published As

Publication number Publication date
JPS4830455A (it) 1973-04-21
US3747053A (en) 1973-07-17
FR2151304A5 (it) 1973-04-13
DE2240810A1 (de) 1973-03-01

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