GB712584A - Improvements in or relating to automatic frequency stabilisation of electric oscillators - Google Patents

Improvements in or relating to automatic frequency stabilisation of electric oscillators

Info

Publication number
GB712584A
GB712584A GB25733/52A GB2573352A GB712584A GB 712584 A GB712584 A GB 712584A GB 25733/52 A GB25733/52 A GB 25733/52A GB 2573352 A GB2573352 A GB 2573352A GB 712584 A GB712584 A GB 712584A
Authority
GB
United Kingdom
Prior art keywords
frequency
oscillator
mixer
beats
output
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
GB25733/52A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB712584A publication Critical patent/GB712584A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • B60B9/02—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims
    • B60B9/10—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims of rubber or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C7/00—Non-inflatable or solid tyres
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
GB25733/52A 1951-10-17 1952-10-14 Improvements in or relating to automatic frequency stabilisation of electric oscillators Expired GB712584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL712584X 1951-10-17

Publications (1)

Publication Number Publication Date
GB712584A true GB712584A (en) 1954-07-28

Family

ID=19814851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25733/52A Expired GB712584A (en) 1951-10-17 1952-10-14 Improvements in or relating to automatic frequency stabilisation of electric oscillators

Country Status (4)

Country Link
DE (1) DE933638C (https=)
FR (2) FR1044046A (https=)
GB (1) GB712584A (https=)
NL (2) NL85493C (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2836982A (en) * 1956-05-18 1958-06-03 St Louis Diecasting Corp Friction drive wheel

Also Published As

Publication number Publication date
FR1044046A (fr) 1953-11-13
NL85493C (https=)
FR1144046A (fr) 1957-10-08
NL164748B (nl)
DE933638C (de) 1955-09-29

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