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US2071774A - Radio control device - Google Patents

Radio control device Download PDF

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Publication number
US2071774A
US2071774A US5377A US537735A US2071774A US 2071774 A US2071774 A US 2071774A US 5377 A US5377 A US 5377A US 537735 A US537735 A US 537735A US 2071774 A US2071774 A US 2071774A
Authority
US
United States
Prior art keywords
tuning
pointer
rope
disk
flexible member
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 - Lifetime
Application number
US5377A
Other languages
English (en)
Inventor
Spottel Adolf
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.)
Telefunken AG
Original Assignee
Telefunken AG
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 Telefunken AG filed Critical Telefunken AG
Application granted granted Critical
Publication of US2071774A publication Critical patent/US2071774A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H03J5/08—Settings determined by a number of separately-actuated positioning means
    • 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
    • H03J1/10—Rope drive; Chain drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20396—Hand operated
    • Y10T74/20402—Flexible transmitter [e.g., Bowden cable]
    • Y10T74/2042—Flexible transmitter [e.g., Bowden cable] and hand operator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20582—Levers
    • Y10T74/2063—Stops
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2101—Cams

Definitions

  • the entire arrangement is such that the happen that this marking be overlooked and that part 5 cooperates with the notches in such a way 5 the tuning means must be moved several times that a movement of the part 5 towards the right back and forth before the accomplished tuning is is prevented up to the end position by the base recognized. of the notches in the disk 16.
  • the notches have In accordance with the invention these difsuch a depth that the variable condenser will be ficulties are overcome in that a full automatic just retracted by the spring I3 into the position tuning is provided in such a manner that simply of tuning of the station indicated by the pointer I. the bringing into coincidence of apointer movable 2 WS u t e detai s.
  • H rein I is the in front of the station table with the respective front wall of the receiver casing having a 8101? I8 station name effects the tuning. For a b tt therein. Through this slot there reaches an arm derstanding of the invention reference is made to l9 Secured to the disk 8 and a further lever 20 35 the accompanying drawing, in which; pivoted at 2
  • the scale is to be conemployed and its cooperating adjusting memb r sidered as positioned alongside the slot I8, and the Fig. 1 of the accompanying drawing shows an P01111161 7 -S O t e Sa d Scale.
  • the device s arranged n Su h manner that the ment in accordance with the invention.
  • plate 8 w th th p t t e a y be m v d 6 is the shaft on which the tuning means is mountwhen the lever 20 is pressed downwards so that ed.
  • the rope 3 is tensioned by the lever I l.
  • a rope drum 2 is likewise fixedly stop 5 is drawn towards the left and consequently mounted over which a rope 3 leads across various no longer in contact with the disk 16.
  • a part 5 for instance a pin, is fixedly said pointer can be brought into coincidence with secured to rope 3.
  • 6 designates a table of station the desired station name, whereby at the same 0 names over which a pointer 1 moves. This pointer time the disk 16 will be so turned that a correis fastened to a plate 8 and can be moved therespondingly deep notch will be opposite the stop with from the outside.
  • the plate 8 carries four 5.
  • the rope 3 will therefore 3 between the guide rollers 25. be shortened and will be wound off the rope
  • the figures simply serve as an example and to drum 2 against the action of spring l3, by a roelucidate the inventive idea.
  • the construction tation of lever H which likewise can be carried may obviously deviate in many points from that 55 described.
  • the tensioning of the spring 13 may be obtained by a displacement of the point 4 or of the roller IE! with respect to the chassis.
  • the disk It is not required to be rotatably mounted, it may have a rectangular shape and then be displaced by the rope I4.
  • Means for adjusting a tuning device comprising in combination, means for rotating said device to an end position in one direction, a flexible member secured to said device one end of said flexible member being fixed, means for moving an intermediate portion of said flexible member to rotate said device in the opposite direction, a stop member connected to said flexible member, and an adjustable member having a plurality of projecting portions of difierent lengths arranged to engage said stop member.
  • Means for adjusting a tuning device to a tuning position comprising the combination of a scale, a pointer movable along said scale, means for rotating said tuning device in one direction, a stop member consisting of a flat disc having a plurality of substantially radially arranged notches of different depths, means connecting said stop member and pointer, and means for rotating said tuning device in the opposite direction to the tuning position comprising a flexible member having a portion arranged to engage the different notched portions of said stop member.
  • a device in which said flexible member extends past said pointer and has one end secured in fixed position and a rotatable member mounted adjacent said pointer adapted to engage and bend said flexible member.
  • Means for adjusting a tuning device comprising the combination of a scale, a slide, a pointer secured to said slide and movable along said scale, means for rotating said tuning device in one direction, an adjustable stop member, a flexible member connected to said tuning device to rotate it in the opposite direction, a stop carried by said flexible member and engageable with said stop member, a member mounted on said slide and arranged to actuate said flexible member and a Vernier adjusting member mounted between said tuning device and stop member arranged to engage and bend said flexible member.
  • Means for adjusting a tuning device comprising the combination of a panel having a slot therein, a slide positioned behind said panel and having a handle portion projecting through said slot, means for rotating said tuning device in one direction and means for rotating said device in the opposite direction comprising a flexible memher having one end connected to said device and its other end secured in a fixed position, said flexible member having spaced apart parallel portions adjacent said slide, a member pivoted to said slide and arranged to flex at least one of said parallel portions and a control member projecting through said slot and connected to actuate said pivoted member.

Landscapes

  • Structure Of Receivers (AREA)
  • Aerials With Secondary Devices (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
US5377A 1934-02-08 1935-02-07 Radio control device Expired - Lifetime US2071774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET43564D DE631108C (de) 1934-02-08 1934-02-08 Abstimm- und Einstellskalenanordnung, insbesondere fuer Rundfunkgeraete

Publications (1)

Publication Number Publication Date
US2071774A true US2071774A (en) 1937-02-23

Family

ID=27770828

Family Applications (1)

Application Number Title Priority Date Filing Date
US5377A Expired - Lifetime US2071774A (en) 1934-02-08 1935-02-07 Radio control device

Country Status (4)

Country Link
US (1) US2071774A (de)
AT (1) AT150410B (de)
DE (1) DE631108C (de)
FR (1) FR785113A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759913C (de) * 1940-08-07 1952-07-24 Lorenz C Ag Anordnung zur Umschaltung von Abstimmitteln

Also Published As

Publication number Publication date
FR785113A (fr) 1935-08-02
AT150410B (de) 1937-08-25
DE631108C (de) 1936-06-12

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