FR857724A - Receiving apparatus of t. s. f. can be automatically tuned to a number of predetermined stations - Google Patents

Receiving apparatus of t. s. f. can be automatically tuned to a number of predetermined stations

Info

Publication number
FR857724A
FR857724A FR857724DA FR857724A FR 857724 A FR857724 A FR 857724A FR 857724D A FR857724D A FR 857724DA FR 857724 A FR857724 A FR 857724A
Authority
FR
France
Prior art keywords
receiving apparatus
automatically tuned
predetermined stations
stations
predetermined
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
French (fr)
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
Application granted granted Critical
Publication of FR857724A publication Critical patent/FR857724A/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
    • H03J5/04—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 hand
    • H03J5/12—Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
    • H03J1/066—Constructional details regarding potentiometric setting of voltage or current variable reactances
FR857724D 1938-07-14 1939-07-12 Receiving apparatus of t. s. f. can be automatically tuned to a number of predetermined stations Expired FR857724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL211393X 1938-07-14

Publications (1)

Publication Number Publication Date
FR857724A true FR857724A (en) 1940-09-26

Family

ID=19778843

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857724D Expired FR857724A (en) 1938-07-14 1939-07-12 Receiving apparatus of t. s. f. can be automatically tuned to a number of predetermined stations

Country Status (6)

Country Link
US (1) US2251068A (en)
BE (1) BE435445A (en)
CH (1) CH211393A (en)
FR (1) FR857724A (en)
GB (1) GB531102A (en)
NL (1) NL54001C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2469189A (en) * 1946-05-03 1949-05-03 Oak Mfg Co Preselector for radio-frequency network
US2534768A (en) * 1948-10-08 1950-12-19 Belmont Radio Corp Television tuner
US2855507A (en) * 1953-07-07 1958-10-07 Blaupunkt Werke Gmbh Radio tuning keyboard with interlocking station and band keys with independently depressable band keys

Also Published As

Publication number Publication date
US2251068A (en) 1941-07-29
CH211393A (en) 1940-09-15
BE435445A (en)
NL54001C (en)
GB531102A (en) 1940-12-30

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