GB531405A - Improvements in or relating to wireless receivers - Google Patents

Improvements in or relating to wireless receivers

Info

Publication number
GB531405A
GB531405A GB21152/39A GB2115239A GB531405A GB 531405 A GB531405 A GB 531405A GB 21152/39 A GB21152/39 A GB 21152/39A GB 2115239 A GB2115239 A GB 2115239A GB 531405 A GB531405 A GB 531405A
Authority
GB
United Kingdom
Prior art keywords
wireless receivers
relating
july
discs
pushbutton
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
GB21152/39A
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 GB531405A publication Critical patent/GB531405A/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
    • 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
    • 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
    • Y10T74/2102—Adjustable

Landscapes

  • Mechanical Control Devices (AREA)
  • Selective Calling Equipment (AREA)
  • Push-Button Switches (AREA)
  • Mechanical Operated Clutches (AREA)
GB21152/39A 1938-07-23 1939-07-20 Improvements in or relating to wireless receivers Expired GB531405A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL52543T 1938-07-23

Publications (1)

Publication Number Publication Date
GB531405A true GB531405A (en) 1941-01-03

Family

ID=19778896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21152/39A Expired GB531405A (en) 1938-07-23 1939-07-20 Improvements in or relating to wireless receivers

Country Status (8)

Country Link
US (1) US2281468A (enrdf_load_stackoverflow)
BE (1) BE435603A (enrdf_load_stackoverflow)
CH (1) CH212537A (enrdf_load_stackoverflow)
DE (1) DE741790C (enrdf_load_stackoverflow)
DK (1) DK58206C (enrdf_load_stackoverflow)
FR (1) FR858202A (enrdf_load_stackoverflow)
GB (1) GB531405A (enrdf_load_stackoverflow)
NL (1) NL52543C (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496453A (en) * 1943-12-16 1950-02-07 Harold F Elliott Control apparatus
US2455876A (en) * 1944-05-26 1948-12-07 Niles Bement Pond Co Machine tool
US2544089A (en) * 1945-01-09 1951-03-06 Horgan William Francis Means for operating control elecments, such as electric switches, in a selected manner
US2771250A (en) * 1953-06-09 1956-11-20 Collins Radio Co Corrector unit for a coil winding machine
US2872839A (en) * 1955-05-19 1959-02-10 Gorden W Valentine Anti-freeze washer which is readily separable by cutting to relieve a threaded joint
US3170330A (en) * 1960-01-19 1965-02-23 Febco Inc Timing controller
CH397349A (it) * 1962-09-05 1965-08-15 Borletti Spa Insieme di camme a profilo modificabile e settori indipendentemente intercambiabili su di un supporto comune
US5109727A (en) * 1991-02-28 1992-05-05 Eaton Corporation Rotary adjustment cam

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2044607A (en) * 1931-06-25 1936-06-16 Rca Corp Selector mechanism for automatic tuning

Also Published As

Publication number Publication date
DE741790C (de) 1943-11-17
US2281468A (en) 1942-04-28
BE435603A (enrdf_load_stackoverflow)
DK58206C (da) 1940-12-02
FR858202A (fr) 1940-11-20
NL52543C (enrdf_load_stackoverflow) 1941-05-05
CH212537A (de) 1940-11-30

Similar Documents

Publication Publication Date Title
GB531405A (en) Improvements in or relating to wireless receivers
GB552403A (en) Improvements in or relating to means for tuning wireless sets
GB550958A (en) Improvements in or relating to superheterodyne receiving sets
GB548475A (en) Improvements in or relating to superheterodyne receiving arrangements
GB865539A (en) Improvements in or relating to electric switches
CA462872A (en) Thermionic valve
CA398052A (en) Radio receiver switch
CA396813A (en) Remote-control radio receiver
CA464711A (en) Resilient wheel
CA475575A (en) Appliances for fitting valve spring collets
GB425021A (en) Improvements in wireless receiving systems of the superheterodyne type
CA460163A (en) Multiple stage thermionic valve
AU115390B2 (en) Improvements in radio receivers
AU107537B2 (en) Improvements in or relating to radio receiving sets, the tuning of k whichis predetermined
CA470319A (en) Spring suspensions
AU114274B2 (en) Improvements in high frequency ampplifiers including thermionic valves
CA393624A (en) Spring washer
CA399736A (en) Circular loom reed
CA397326A (en) Radio receiver tuning mechanism
CA401397A (en) Radio receiver tuning mechanism
CA463853A (en) Resilient seat
CA401870A (en) Radio receiver
CA401869A (en) Radio receiver
CA398414A (en) Radio receiver
CA401868A (en) Radio receiver