GB531494A - Improvements in pre-set tuning devices for radio receiving apparatus - Google Patents

Improvements in pre-set tuning devices for radio receiving apparatus

Info

Publication number
GB531494A
GB531494A GB21475/39A GB2147539A GB531494A GB 531494 A GB531494 A GB 531494A GB 21475/39 A GB21475/39 A GB 21475/39A GB 2147539 A GB2147539 A GB 2147539A GB 531494 A GB531494 A GB 531494A
Authority
GB
United Kingdom
Prior art keywords
disc
discs
detent
lever
clutch
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
GB21475/39A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
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 Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB531494A publication Critical patent/GB531494A/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
    • H03J5/16—Settings determined by a number of separate positioning means actuated by hand

Landscapes

  • Mechanical Control Devices (AREA)
GB21475/39A 1938-07-25 1939-07-24 Improvements in pre-set tuning devices for radio receiving apparatus Expired GB531494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL212539X 1938-07-25

Publications (1)

Publication Number Publication Date
GB531494A true GB531494A (en) 1941-01-06

Family

ID=19778898

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21475/39A Expired GB531494A (en) 1938-07-25 1939-07-24 Improvements in pre-set tuning devices for radio receiving apparatus

Country Status (5)

Country Link
BE (1) BE435632A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH212539A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR858204A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB531494A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL54617C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972586C (de) * 1954-07-20 1959-08-13 Max Grundig Elektrisches Nachrichtengeraet, insbesondere Rundfunkempfaenger, mit Motor- und Handabstimmung

Also Published As

Publication number Publication date
BE435632A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH212539A (de) 1940-11-30
NL54617C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR858204A (fr) 1940-11-20

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