FR848058A - Fully automatic tuning radio receiver - Google Patents

Fully automatic tuning radio receiver

Info

Publication number
FR848058A
FR848058A FR848058DA FR848058A FR 848058 A FR848058 A FR 848058A FR 848058D A FR848058D A FR 848058DA FR 848058 A FR848058 A FR 848058A
Authority
FR
France
Prior art keywords
radio receiver
fully automatic
automatic tuning
tuning radio
fully
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 FR848058A publication Critical patent/FR848058A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1481—Control of position or direction using feedback using an analogue comparing device with discrete position sensor
    • 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
    • H03J1/18—Control by auxiliary power
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Position Or Direction (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
FR848058D 1937-12-29 1938-12-27 Fully automatic tuning radio receiver Expired FR848058A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1937N0041484 DE686190C (en) 1937-12-29 1937-12-29 certain stations can be tuned automatically by means of a motor

Publications (1)

Publication Number Publication Date
FR848058A true FR848058A (en) 1939-10-23

Family

ID=5791858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848058D Expired FR848058A (en) 1937-12-29 1938-12-27 Fully automatic tuning radio receiver

Country Status (6)

Country Link
US (1) US2251054A (en)
BE (1) BE431868A (en)
CH (1) CH206319A (en)
DE (1) DE686190C (en)
FR (1) FR848058A (en)
GB (1) GB507305A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454832A (en) * 1946-02-20 1948-11-30 Charles L Paulus Electric servo
US2720619A (en) * 1949-01-11 1955-10-11 Northrop Aircraft Inc Automatic resetting positioning control
DE1158614B (en) * 1957-05-01 1963-12-05 Gen Electric Locking switch with motor drive
US3493745A (en) * 1966-06-16 1970-02-03 Picker Corp Apparatus for preventing collision between two electrically conductive and relatively movable servo-controlled elements

Also Published As

Publication number Publication date
US2251054A (en) 1941-07-29
BE431868A (en) 1939-01-31
CH206319A (en) 1939-07-31
DE686190C (en) 1940-01-04
GB507305A (en) 1939-06-13

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