GB976249A - Radio receiver including a monitoring circuit - Google Patents

Radio receiver including a monitoring circuit

Info

Publication number
GB976249A
GB976249A GB25675/61A GB2567561A GB976249A GB 976249 A GB976249 A GB 976249A GB 25675/61 A GB25675/61 A GB 25675/61A GB 2567561 A GB2567561 A GB 2567561A GB 976249 A GB976249 A GB 976249A
Authority
GB
United Kingdom
Prior art keywords
output
capacitor
signal
beat frequency
gate circuit
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
GB25675/61A
Other languages
English (en)
Inventor
William Littery Garfield
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
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB976249A publication Critical patent/GB976249A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB25675/61A 1961-07-21 1961-07-14 Radio receiver including a monitoring circuit Expired GB976249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26587/61A GB987235A (en) 1961-07-21 1961-07-21 Radio altimeters

Publications (1)

Publication Number Publication Date
GB976249A true GB976249A (en) 1964-11-25

Family

ID=10245967

Family Applications (2)

Application Number Title Priority Date Filing Date
GB25675/61A Expired GB976249A (en) 1961-07-21 1961-07-14 Radio receiver including a monitoring circuit
GB26587/61A Expired GB987235A (en) 1961-07-21 1961-07-21 Radio altimeters

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB26587/61A Expired GB987235A (en) 1961-07-21 1961-07-21 Radio altimeters

Country Status (4)

Country Link
US (1) US3231823A (en, 2012)
BE (1) BE620195A (en, 2012)
DE (2) DE1201428B (en, 2012)
GB (2) GB976249A (en, 2012)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248123B (de) 1961-11-10 1967-08-24 Int Standard Electric Corp Schaltungsanordnung fuer Hoehenmesser-Empfaenger
US3299295A (en) * 1964-12-07 1967-01-17 Electronic Memories Inc Pulsing circuit providing output pulses which are inhibited upon input pulses exceeding predetermined rate
US3358283A (en) * 1965-07-23 1967-12-12 Electronic Concepts Inc Radio navigation system
US3457516A (en) * 1966-03-14 1969-07-22 Atomic Energy Commission Double delay-line filters for pulse amplifiers
US3582680A (en) * 1968-12-05 1971-06-01 Bendix Corp Variable impedance circuit
US3689845A (en) * 1969-11-01 1972-09-05 Philips Corp Circuit arrangement for suppressing interferences in a receiver of electrical signals
US3680047A (en) * 1970-12-15 1972-07-25 Detection Systems Inc Parametric integrator for condition-responsive systems
US3723770A (en) * 1971-10-14 1973-03-27 C Ryan Current mode matched filter for digital data
DE2427878A1 (de) * 1974-06-10 1975-12-18 Blaupunkt Werke Gmbh Schaltungsanordnung zur speicherung eines momentanwerts einer amplitude
US3944936A (en) * 1974-08-07 1976-03-16 Rca Corporation Zero crossover detector
US4137504A (en) * 1977-08-12 1979-01-30 Digital Equipment Corporation Digital filter
CH625484A5 (en, 2012) * 1977-10-05 1981-09-30 Loepfe Ag Geb
JPS5514734A (en) * 1978-07-17 1980-02-01 Nec Corp Pulse noise elimination circuit
US4387438A (en) * 1980-11-12 1983-06-07 The United States Of America As Represented By The Secretary Of The Interior Continuous transducer drift compensator
US4509050A (en) * 1982-08-30 1985-04-02 United Technologies Corporation Automatic adaptive sensitivity time control for a ground mapping radar

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021488A (en) * 1944-12-29 1962-02-13 Bell Telephone Labor Inc Monostable multivibrator responsive to positive and negative trigger pulses from single source
US2606975A (en) * 1949-07-27 1952-08-12 Rca Corp Integrating type telegraph signal detector
US3011128A (en) * 1958-05-29 1961-11-28 Westinghouse Electric Corp Triple coincidence detector
US3048789A (en) * 1959-04-13 1962-08-07 Rca Corp Pulse counter type frequency detector
US3096447A (en) * 1961-03-21 1963-07-02 Gen Precision Inc Transistor gate biased by signal being gated

Also Published As

Publication number Publication date
DE1214753B (de) 1966-04-21
US3231823A (en) 1966-01-25
GB987235A (en) 1965-03-24
BE620195A (en, 2012)
DE1201428B (de) 1965-09-23

Similar Documents

Publication Publication Date Title
GB976249A (en) Radio receiver including a monitoring circuit
US2466959A (en) Radio receiver noise discriminating circuit
US3437834A (en) Circuit for detecting time of occurrence of signals having an amplitude which exceeds a predetermined level
US3149243A (en) Radio receiver including a monitoring circuit indicating an output upon input exceeding predetermined frequency
SE7712683L (sv) Radarapparat arbetande med tva typer av pulser
GB1404926A (en) Radar modulation for ambiguity reduction in pulsed radar
US3286200A (en) Pulse-amplitude to pulse-duration converter apparatus
US2429513A (en) Gain-control arrangement
US3214708A (en) Frequency-type telemeter transmitter
GB1102962A (en) Improvements in or relating to pulse radar systems
GB1301227A (en, 2012)
ES427953A1 (es) Perfeccionamientos introducidos en una disposicion de cir- cuito para un detector de tensiones de cresta.
CA1090452A (en) Radar, in particular for watching over premises
GB1287620A (en) Frequency to direct current converter circuit
GB1055417A (en) Synchronous time interval detector
US3622905A (en) Random pulse generator
GB1374683A (en) Signal monitoring circuits
US2512699A (en) Radio pulse receiver interference eliminator
US2533871A (en) Radio distance measuring system
US3207988A (en) Pulse radar receiver
US4117483A (en) Noise-immune signal processing circuit for pulsed radars
US2783466A (en) Radar receiver automatic noise leveling circuits
GB1047773A (en) Improvement in systems for measuring a distance
GB1493808A (en) Doppler radar system
SU636788A1 (ru) Амплитудный селектор