GB1229976A - - Google Patents

Info

Publication number
GB1229976A
GB1229976A GB1229976DA GB1229976A GB 1229976 A GB1229976 A GB 1229976A GB 1229976D A GB1229976D A GB 1229976DA GB 1229976 A GB1229976 A GB 1229976A
Authority
GB
United Kingdom
Prior art keywords
frequency
carrier
july
counted
pulses
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
Other languages
English (en)
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 claimed from DE19671591618 external-priority patent/DE1591618A1/de
Application filed filed Critical
Publication of GB1229976A publication Critical patent/GB1229976A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
GB1229976D 1967-07-19 1968-07-18 Expired GB1229976A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671591618 DE1591618A1 (de) 1967-07-19 1967-07-19 Verfahren zur Messung des Hubes einer frequenz- oder phasenmodulierten Schwingung

Publications (1)

Publication Number Publication Date
GB1229976A true GB1229976A (enExample) 1971-04-28

Family

ID=5680170

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1229976D Expired GB1229976A (enExample) 1967-07-19 1968-07-18

Country Status (3)

Country Link
US (1) US3549997A (enExample)
FR (1) FR1575011A (enExample)
GB (1) GB1229976A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194693A (en) * 1986-08-29 1988-03-09 Rank Pullin Controls Ltd Stepper motor drive apparatus

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767856A (en) * 1971-07-20 1973-10-23 Burroughs Corp Data set tester
US3717818A (en) * 1972-01-10 1973-02-20 J Herbst Instantaneous voltage detector
US3786358A (en) * 1972-12-27 1974-01-15 Ibm Method and apparatus for detecting the beginning of data block
US3924183A (en) * 1974-09-13 1975-12-02 Nasa Frequency measurement by coincidence detection with standard frequency
US4128808A (en) * 1976-11-04 1978-12-05 Sencore, Inc. Channel frequency analyser
US4122391A (en) * 1977-09-19 1978-10-24 Gte Automatic Electric Laboratories Incorporated Frequency deviation measuring and adjusting system
US4399408A (en) * 1981-03-02 1983-08-16 Ael Microtel, Ltd. Apparatus for testing the linearity of a frequency modulated oscillator
US4405897A (en) * 1981-03-02 1983-09-20 Ael Microtel Ltd. Frequency deviation testing and adjusting system for frequency modulated oscillators
US5056123A (en) * 1989-11-03 1991-10-08 Sundstrand Corporation Frequency counter with round off function

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039685A (en) * 1957-03-27 1962-06-19 Hewlett Packard Co Electronic counter
US3167848A (en) * 1963-02-27 1965-02-02 Burlington Industries Inc Stretch control of material in a textile processor
US3404345A (en) * 1964-10-29 1968-10-01 Navy Usa Frequency deviation sensing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194693A (en) * 1986-08-29 1988-03-09 Rank Pullin Controls Ltd Stepper motor drive apparatus
US4904917A (en) * 1986-08-29 1990-02-27 Rank Pullin Controls Limited Drive apparatus

Also Published As

Publication number Publication date
US3549997A (en) 1970-12-22
FR1575011A (enExample) 1969-07-18

Similar Documents

Publication Publication Date Title
GB1180418A (en) Waveform Synthesizer
GB1229976A (enExample)
GB1256199A (en) Frequency to direct current converter
GB1525570A (en) Apparatus for generating a digital count proportional to an input frequency
GB1129267A (en) Method and apparatus for controlling the frequency of a variable frequency oscillator
GB1301227A (enExample)
GB1218652A (en) A discriminator circuit
JPS5518171A (en) Carrier wave reproducing device
GB1191707A (en) Improvements in or relating to Frequency Modulation Arrangements
SU580521A1 (ru) Измеритель девиации частоты импульсов частотно-модулированного сигнала
MEDVINSKII Influence of the nonlinearity of the phase characteristic of the RF signal path in an FM receiver on the signal distortions
GB978269A (en) Electrical integrating apparatus
JPS5227251A (en) Phase deviation modulation circuit
FR2264316B1 (enExample)
CA773715A (en) Frequency modulated oscillator
LANCASTER Design of an optimum radar signal to reject clutter(Design and development of optimum radar signal to reject clutter based on polynomial in time to represent waveform)
JPS5382154A (en) Digital fm demodulating system
CA732734A (en) Frequency modulated oscillator circuit arrangements
CA760524A (en) Frequency modulated relaxation oscillator
CA691602A (en) Frequency modulated oscillator
CA819883A (en) Crystal oscillator and crystal filter circuit employing a single crystal
CA975850A (en) Multipler, divider and wattmeter using a switching circuit and a pulse-width and frequency modulator
CA650148A (en) Frequency modulated oscillator
CA746103A (en) Frequency modulated crystal controlled oscillator
GB1160257A (en) Improvements in or relating to Interpolating Devices

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PLNP Patent lapsed through nonpayment of renewal fees