GB673945A - Improvements in or relating to circuits for automatic frequency-control - Google Patents

Improvements in or relating to circuits for automatic frequency-control

Info

Publication number
GB673945A
GB673945A GB31995/48A GB3199548A GB673945A GB 673945 A GB673945 A GB 673945A GB 31995/48 A GB31995/48 A GB 31995/48A GB 3199548 A GB3199548 A GB 3199548A GB 673945 A GB673945 A GB 673945A
Authority
GB
United Kingdom
Prior art keywords
piston
capacity
plates
tube
fixed
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
GB31995/48A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Philips Electronics NV
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 Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB673945A publication Critical patent/GB673945A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/16—Automatic frequency control where the frequency control is accomplished by mechanical means, e.g. by a motor

Landscapes

  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB31995/48A 1947-12-13 1948-12-10 Improvements in or relating to circuits for automatic frequency-control Expired GB673945A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL270414X 1947-12-13
NL220548X 1948-05-22
NL60748X 1948-07-06

Publications (1)

Publication Number Publication Date
GB673945A true GB673945A (en) 1952-06-18

Family

ID=27351083

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31995/48A Expired GB673945A (en) 1947-12-13 1948-12-10 Improvements in or relating to circuits for automatic frequency-control

Country Status (5)

Country Link
CH (1) CH270414A (ja)
DE (1) DE812270C (ja)
FR (1) FR976417A (ja)
GB (1) GB673945A (ja)
NL (1) NL77627C (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135000A1 (de) * 1981-09-04 1983-05-26 Aeg Telefunken Nachrichten Regelverstaerker fuer einen phasenregelkreis

Also Published As

Publication number Publication date
CH270414A (de) 1950-08-31
NL77627C (ja)
FR976417A (fr) 1951-03-19
DE812270C (de) 1951-08-27

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