GB583752A - Improvements in or relating to electric frequency counting arrangements - Google Patents

Improvements in or relating to electric frequency counting arrangements

Info

Publication number
GB583752A
GB583752A GB2373244A GB2373244A GB583752A GB 583752 A GB583752 A GB 583752A GB 2373244 A GB2373244 A GB 2373244A GB 2373244 A GB2373244 A GB 2373244A GB 583752 A GB583752 A GB 583752A
Authority
GB
United Kingdom
Prior art keywords
condenser
frequency
resistors
rectifiers
series
Prior art date
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
GB2373244A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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
Priority to BE471307D priority Critical patent/BE471307A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB2373244A priority patent/GB583752A/en
Priority to ES0172515A priority patent/ES172515A1/es
Priority to FR939201D priority patent/FR939201A/fr
Publication of GB583752A publication Critical patent/GB583752A/en
Expired legal-status Critical Current

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
    • 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
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Rectifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB2373244A 1944-11-28 1944-11-28 Improvements in or relating to electric frequency counting arrangements Expired GB583752A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE471307D BE471307A (enrdf_load_stackoverflow) 1944-11-28
GB2373244A GB583752A (en) 1944-11-28 1944-11-28 Improvements in or relating to electric frequency counting arrangements
ES0172515A ES172515A1 (es) 1944-11-28 1946-02-09 Mejoras en o relativas a dispositivos contadores de frecuencia eléctrica
FR939201D FR939201A (fr) 1944-11-28 1946-07-06 Perfectionnements aux systèmes électriques compteurs de fréquences

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2373244A GB583752A (en) 1944-11-28 1944-11-28 Improvements in or relating to electric frequency counting arrangements

Publications (1)

Publication Number Publication Date
GB583752A true GB583752A (en) 1946-12-30

Family

ID=10200387

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2373244A Expired GB583752A (en) 1944-11-28 1944-11-28 Improvements in or relating to electric frequency counting arrangements

Country Status (4)

Country Link
BE (1) BE471307A (enrdf_load_stackoverflow)
ES (1) ES172515A1 (enrdf_load_stackoverflow)
FR (1) FR939201A (enrdf_load_stackoverflow)
GB (1) GB583752A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE471307A (enrdf_load_stackoverflow)
ES172515A1 (es) 1946-03-16
FR939201A (fr) 1948-11-08

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