GB551364A - Improvements in or relating to devices for the stereophonic transmission and reproduction of sound - Google Patents

Improvements in or relating to devices for the stereophonic transmission and reproduction of sound

Info

Publication number
GB551364A
GB551364A GB57642A GB57642A GB551364A GB 551364 A GB551364 A GB 551364A GB 57642 A GB57642 A GB 57642A GB 57642 A GB57642 A GB 57642A GB 551364 A GB551364 A GB 551364A
Authority
GB
United Kingdom
Prior art keywords
reproduction
relating
sound
devices
stereophonic transmission
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
GB57642A
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
Priority to GB57642A priority Critical patent/GB551364A/en
Publication of GB551364A publication Critical patent/GB551364A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Lock And Its Accessories (AREA)
  • Lubricants (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

551,364. Stereophonic transmission. PHILIPS LAMPS, Ltd. (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). Jan. 14, 1942, No. 576. Drawings to Specification. [Class 40 (iv)] The subject-matter of this Specification is 'identical with that of Specification 607,314.
GB57642A 1942-01-14 1942-01-14 Improvements in or relating to devices for the stereophonic transmission and reproduction of sound Expired GB551364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB57642A GB551364A (en) 1942-01-14 1942-01-14 Improvements in or relating to devices for the stereophonic transmission and reproduction of sound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB57642A GB551364A (en) 1942-01-14 1942-01-14 Improvements in or relating to devices for the stereophonic transmission and reproduction of sound

Publications (1)

Publication Number Publication Date
GB551364A true GB551364A (en) 1943-02-18

Family

ID=9706810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB57642A Expired GB551364A (en) 1942-01-14 1942-01-14 Improvements in or relating to devices for the stereophonic transmission and reproduction of sound

Country Status (1)

Country Link
GB (1) GB551364A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2610694A (en) * 1944-05-30 1952-09-16 Hartford Nat Bank & Trust Co Stereophonic reproduction apparatus
US2744583A (en) * 1951-02-08 1956-05-08 Hartford Nat Bank & Trust Co Apparatus for simulating the sound of a swinging bell
US3065816A (en) * 1958-03-10 1962-11-27 Rangertone Electronics Corp Stereophonic sound distributor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2610694A (en) * 1944-05-30 1952-09-16 Hartford Nat Bank & Trust Co Stereophonic reproduction apparatus
US2744583A (en) * 1951-02-08 1956-05-08 Hartford Nat Bank & Trust Co Apparatus for simulating the sound of a swinging bell
US3065816A (en) * 1958-03-10 1962-11-27 Rangertone Electronics Corp Stereophonic sound distributor

Similar Documents

Publication Publication Date Title
GB553466A (en) Improvements in or relating to cathode-ray tubes
GB551364A (en) Improvements in or relating to devices for the stereophonic transmission and reproduction of sound
GB551732A (en) Improvements in and relating to the manufacture of magnetic circuits
GB611468A (en) Improvements in shielded high-frequency cables
GB554024A (en) Improvements in or relating to optical systems comprising a correction element
GB552612A (en) Improvements in or relating to cathode-ray tubes
GB548003A (en) Improvements in or relating to kinematograph projectors
GB547645A (en) Improvements in or relating to electric discharge tubes
GB544330A (en) Improvements in and relating to insulated electric conductors
GB555150A (en) Improvements in or relating to tuning devices for superheterodyne receivers
GB545106A (en) Improvements in or relating to cinematograph projection apparatus
GB548651A (en) Improvements in or relating to the manufacture of ceramic insulators
GB552403A (en) Improvements in or relating to means for tuning wireless sets
GB550958A (en) Improvements in or relating to superheterodyne receiving sets
GB545238A (en) Improvements in or relating to dry-shaving apparatus
GB551226A (en) Improvements in or relating to electric discharge tubes
GB551016A (en) Improvements in or relating to flash-light lamps
GB547646A (en) Improvements in or relating to gas filled electric discharge tubes
GB558253A (en) Improvements in or relating to push-pull mixing circuits for ultra short waves
GB548475A (en) Improvements in or relating to superheterodyne receiving arrangements
GB552688A (en) Improvements in or relating to circuits for the conversion of sawtooth voltages into sawtooth currents
GB550909A (en) Improvements in or relating to devices for measuring direct-current voltages of small value
GB546376A (en) Improvements in or relating to electric discharge tubes
GB548606A (en) Improvements in or relating to electric insulators
GB550146A (en) Improvements in or relating to circuit arrangements including more particularly amplifying circuit arrangements comprising an impedance constituted by the input impedance of a low-pass or band-pass filter