BE870493A - Appareil telemetrique a circuit monostable numerique - Google Patents

Appareil telemetrique a circuit monostable numerique

Info

Publication number
BE870493A
BE870493A BE2057281A BE2057281A BE870493A BE 870493 A BE870493 A BE 870493A BE 2057281 A BE2057281 A BE 2057281A BE 2057281 A BE2057281 A BE 2057281A BE 870493 A BE870493 A BE 870493A
Authority
BE
Belgium
Prior art keywords
monostable circuit
telemetric device
digital monostable
digital
telemetric
Prior art date
Application number
BE2057281A
Other languages
English (en)
French (fr)
Inventor
R P Farnsworth
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of BE870493A publication Critical patent/BE870493A/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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S17/14—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance with the pulse transmission and echo reception respectively, e.g. using counters
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/14—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception
    • G01S13/16—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception using counters

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Manipulation Of Pulses (AREA)
  • Measurement Of Optical Distance (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
BE2057281A 1977-09-27 1978-09-15 Appareil telemetrique a circuit monostable numerique BE870493A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/836,937 US4159873A (en) 1977-09-27 1977-09-27 Rangefinder and digital single shot circuit

Publications (1)

Publication Number Publication Date
BE870493A true BE870493A (fr) 1979-01-02

Family

ID=25273091

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2057281A BE870493A (fr) 1977-09-27 1978-09-15 Appareil telemetrique a circuit monostable numerique

Country Status (11)

Country Link
US (1) US4159873A (zh)
JP (1) JPS5457988A (zh)
BE (1) BE870493A (zh)
DE (1) DE2841014C2 (zh)
FR (1) FR2404230A1 (zh)
GB (1) GB2005104B (zh)
IL (1) IL55323A (zh)
IT (1) IT1106022B (zh)
NL (1) NL184979C (zh)
NO (1) NO146377C (zh)
SE (1) SE440155B (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357083A (en) * 1980-10-06 1982-11-02 Polaroid Corporation Method and apparatus using weighted range signal for controlling photographic functions
CH644243B (de) * 1982-05-06 Wild Heerbrugg Ag Vorrichtung zur laufzeitmessung von elektrischen impulssignalen.
CH641308B (de) * 1982-07-13 Wild Heerbrugg Ag Vorrichtung zur laufzeitmessung von impulssignalen.
JPS6150033A (ja) * 1984-08-18 1986-03-12 Iwatsu Electric Co Ltd タイム・ドメイン・リフレクトメ−タ
US4727259A (en) * 1986-02-24 1988-02-23 The United States Of America As Represented By The Secretary Of The Air Force Monolithic area array with shutter operable to only transmit light between the minimum and maximum ranges for laser rangefinding
EP0420851B1 (en) * 1988-02-03 1997-05-14 The Broken Hill Proprietary Company Limited Measurement of blast furnace raceway parameters
JPH10227857A (ja) * 1997-02-14 1998-08-25 Nikon Corp 光波測距装置
JP3312648B2 (ja) * 1998-09-17 2002-08-12 日本電気株式会社 パルス信号発生装置及びパルス信号発生方法
US7030365B2 (en) * 2004-04-15 2006-04-18 Eaton Corporation Emitter-detector assembly for a reflex photoelectric object detection system
US7965384B2 (en) * 2007-09-27 2011-06-21 Omron Scientific Technologies, Inc. Clutter rejection in active object detection systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3409368A (en) * 1964-01-07 1968-11-05 Martin Marietta Corp Ranging device
FR1518236A (fr) * 1966-04-08 1968-03-22 Hughes Aircraft Co Système numérique pour déterminer la distance d'une cible
US3545861A (en) * 1966-04-08 1970-12-08 Hughes Aircraft Co Selective target ranging system
FR2045175A5 (zh) * 1969-06-13 1971-02-26 Materiel Telephonique
US3743419A (en) * 1969-07-09 1973-07-03 Bofors Ab Ranging system
BE756598A (fr) * 1969-11-17 1971-03-01 Ampex Circuits a retard
US3666367A (en) * 1970-06-01 1972-05-30 Hughes Aircraft Co Digital range measuring system
US3768026A (en) * 1972-03-09 1973-10-23 Bell Telephone Labor Inc Retriggerable one-shot multivibrator
US3790821A (en) * 1972-08-21 1974-02-05 Dresser Ind Circuit for suppression of spurious pulses resulting from relay operation
US3853402A (en) * 1974-02-01 1974-12-10 Us Army Digital gated depth of field intensity equalizer
US3951549A (en) * 1974-08-20 1976-04-20 The United States Of America As Represented By The Secretary Of The Interior Transmitter-receiver system

Also Published As

Publication number Publication date
NL184979C (nl) 1989-12-18
DE2841014C2 (de) 1982-04-29
JPS6113188B2 (zh) 1986-04-11
NL7809738A (nl) 1979-03-29
FR2404230B1 (zh) 1983-03-25
NO146377B (no) 1982-06-07
JPS5457988A (en) 1979-05-10
NO146377C (no) 1982-09-15
IT7851223A0 (it) 1978-09-25
US4159873A (en) 1979-07-03
GB2005104B (en) 1982-04-28
IL55323A (en) 1980-09-16
GB2005104A (en) 1979-04-11
FR2404230A1 (fr) 1979-04-20
SE440155B (sv) 1985-07-15
SE7809994L (sv) 1979-03-28
NL184979B (nl) 1989-07-17
DE2841014A1 (de) 1979-03-29
NO783251L (no) 1979-03-28
IT1106022B (it) 1985-11-11

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HUGHES AIRCRAFT CY

Effective date: 19940930