GB524752A - Improvements in the tuning mechanism of radio-receivers - Google Patents

Improvements in the tuning mechanism of radio-receivers

Info

Publication number
GB524752A
GB524752A GB3897/39A GB389739A GB524752A GB 524752 A GB524752 A GB 524752A GB 3897/39 A GB3897/39 A GB 3897/39A GB 389739 A GB389739 A GB 389739A GB 524752 A GB524752 A GB 524752A
Authority
GB
United Kingdom
Prior art keywords
motor
speed
brake
drive
button
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
GB3897/39A
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
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 filed Critical Philips Gloeilampenfabrieken NV
Publication of GB524752A publication Critical patent/GB524752A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/14—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by auxiliary power
    • H03J5/146—Settings desired by a switch controlled together with the tuning member and which stops the control as soon as a desired position is reached

Landscapes

  • Control Of Direct Current Motors (AREA)
GB3897/39A 1938-02-08 1939-02-06 Improvements in the tuning mechanism of radio-receivers Expired GB524752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL208103X 1938-02-08

Publications (1)

Publication Number Publication Date
GB524752A true GB524752A (en) 1940-08-14

Family

ID=19778665

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3897/39A Expired GB524752A (en) 1938-02-08 1939-02-06 Improvements in the tuning mechanism of radio-receivers

Country Status (4)

Country Link
BE (1) BE432604A (fr)
CH (1) CH208103A (fr)
FR (1) FR850047A (fr)
GB (1) GB524752A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE537448A (fr) * 1954-05-18

Also Published As

Publication number Publication date
CH208103A (de) 1939-12-31
FR850047A (fr) 1939-12-06
BE432604A (fr)

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