FR1277182A - Perfectionnements aux appareils enregistreurs d'informations - Google Patents

Perfectionnements aux appareils enregistreurs d'informations

Info

Publication number
FR1277182A
FR1277182A FR848800A FR848800A FR1277182A FR 1277182 A FR1277182 A FR 1277182A FR 848800 A FR848800 A FR 848800A FR 848800 A FR848800 A FR 848800A FR 1277182 A FR1277182 A FR 1277182A
Authority
FR
France
Prior art keywords
information recording
recording devices
devices
information
recording
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
FR848800A
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.)
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 FR848800A priority Critical patent/FR1277182A/fr
Application granted granted Critical
Publication of FR1277182A publication Critical patent/FR1277182A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/06—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
    • G11C11/06007—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit
    • G11C11/06078—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit using two or more such elements per bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Semiconductor Memories (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR848800A 1959-03-11 1961-01-04 Perfectionnements aux appareils enregistreurs d'informations Expired FR1277182A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR848800A FR1277182A (fr) 1959-03-11 1961-01-04 Perfectionnements aux appareils enregistreurs d'informations

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8407/59A GB872018A (en) 1959-03-11 1959-03-11 Improvements in or relating to stereophonic signal transmitting and reproducing systems
GB488/60A GB873164A (en) 1959-03-11 1960-01-06 Improvements in or relating to information storage devices employing magnetic cores
FR848800A FR1277182A (fr) 1959-03-11 1961-01-04 Perfectionnements aux appareils enregistreurs d'informations

Publications (1)

Publication Number Publication Date
FR1277182A true FR1277182A (fr) 1961-11-24

Family

ID=9851940

Family Applications (2)

Application Number Title Priority Date Filing Date
FR820966A Expired FR1250992A (fr) 1959-03-11 1960-03-10 Système de transmission stéréophonique du son
FR848800A Expired FR1277182A (fr) 1959-03-11 1961-01-04 Perfectionnements aux appareils enregistreurs d'informations

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR820966A Expired FR1250992A (fr) 1959-03-11 1960-03-10 Système de transmission stéréophonique du son

Country Status (7)

Country Link
US (2) US3176074A (fr)
BE (1) BE588523A (fr)
CH (1) CH389024A (fr)
DE (2) DE1161328B (fr)
FR (2) FR1250992A (fr)
GB (2) GB872018A (fr)
NL (2) NL259678A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142049A (en) * 1961-08-25 1964-07-21 Ibm Memory array sensing
US3339024A (en) * 1965-06-01 1967-08-29 Gen Electric Time sampling stereophonic receiver circuit
US3351712A (en) * 1965-06-01 1967-11-07 Gen Electric Simplified time-sampling stereophonic receiver circuit
US3339026A (en) * 1965-06-01 1967-08-29 Gen Electric De-emphasis network for fm radios
US3504358A (en) * 1965-08-30 1970-03-31 Sperry Rand Corp Sensing device
US3708623A (en) * 1970-04-29 1973-01-02 Quadracast Syst Inc Compatible four channel fm system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2262764A (en) * 1938-07-18 1941-11-18 Maury I Hull Multiple radio transmission system
US2352634A (en) * 1938-07-18 1944-07-04 Maury I Hull Signaling system
US2725470A (en) * 1951-02-28 1955-11-29 Rca Corp Time division multiplex gating arrangements
US2666151A (en) * 1952-11-28 1954-01-12 Rca Corp Magnetic switching device
NL102056C (fr) * 1953-10-19
NL197082A (fr) * 1954-05-10
US2947977A (en) * 1956-06-11 1960-08-02 Ibm Switch core matrix
DE1069681B (fr) * 1957-02-22 1959-11-26
US2999129A (en) * 1957-07-23 1961-09-05 Lynch Gerard Telecommunication multiplexing system
US3050716A (en) * 1958-10-08 1962-08-21 Bell Telephone Labor Inc Magnetic storage circuits
US3112470A (en) * 1958-11-10 1963-11-26 Sylvania Electric Prod Noise cancellation for magnetic memory devices

Also Published As

Publication number Publication date
GB872018A (en) 1961-07-05
DE1161328B (de) 1964-01-16
NL259678A (fr)
CH389024A (de) 1965-03-15
BE588523A (fr) 1960-07-18
NL249296A (fr)
DE1224782B (de) 1966-09-15
FR1250992A (fr) 1961-01-13
GB873164A (en) 1961-07-19
US3176074A (en) 1965-03-30
US3229262A (en) 1966-01-11

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