FR2041982A5 - - Google Patents

Info

Publication number
FR2041982A5
FR2041982A5 FR6943487A FR6943487A FR2041982A5 FR 2041982 A5 FR2041982 A5 FR 2041982A5 FR 6943487 A FR6943487 A FR 6943487A FR 6943487 A FR6943487 A FR 6943487A FR 2041982 A5 FR2041982 A5 FR 2041982A5
Authority
FR
France
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
FR6943487A
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.)
Northrop Grumman Corp
Original Assignee
Northrop Grumman 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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Application granted granted Critical
Publication of FR2041982A5 publication Critical patent/FR2041982A5/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • 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
    • G01S1/00—Beacons 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
    • G01S1/02—Beacons 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 radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
    • G01S1/308—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference particularly adapted to Omega systems
    • 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
    • Y10S331/00—Oscillators
    • Y10S331/02—Phase locked loop having lock indicating or detecting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR6943487A 1969-03-18 1969-12-16 Expired FR2041982A5 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1425769 1969-03-18
US81622569A 1969-04-15 1969-04-15

Publications (1)

Publication Number Publication Date
FR2041982A5 true FR2041982A5 (fr) 1971-02-05

Family

ID=26250422

Family Applications (2)

Application Number Title Priority Date Filing Date
FR6943487A Expired FR2041982A5 (fr) 1969-03-18 1969-12-16
FR7009501A Withdrawn FR2041082A1 (fr) 1969-03-18 1970-03-17

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7009501A Withdrawn FR2041082A1 (fr) 1969-03-18 1970-03-17

Country Status (6)

Country Link
US (1) US3577178A (fr)
BE (1) BE747556A (fr)
DE (1) DE2012136A1 (fr)
FR (2) FR2041982A5 (fr)
GB (1) GB1233168A (fr)
NL (1) NL7003797A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982184A (en) * 1973-09-24 1976-09-21 Inventronics, Inc. Phase different detector and display
US4196652A (en) * 1974-08-19 1980-04-08 Jef Raskin Digital electronic tuner
US5698649A (en) * 1992-05-16 1997-12-16 Basf Aktiengesellschaft Copolymers based on vinyl ethers and monoethylenically unsaturated dicarboxylic anhydrides, their preparation and their use

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049673A (en) * 1959-04-15 1962-08-14 Collins Radio Co Disk reference phase-pulse detector
US3265904A (en) * 1963-07-17 1966-08-09 Collins Radio Co Solid state synchro and synchronization means

Also Published As

Publication number Publication date
DE2012136A1 (de) 1970-09-24
FR2041082A1 (fr) 1971-01-29
BE747556A (fr) 1970-08-31
GB1233168A (fr) 1971-05-26
US3577178A (en) 1971-05-04
NL7003797A (fr) 1970-09-22

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Legal Events

Date Code Title Description
ST Notification of lapse