GB816933A - Improvements in or relating to wireless receivers and magnetic record reproducing devices - Google Patents

Improvements in or relating to wireless receivers and magnetic record reproducing devices

Info

Publication number
GB816933A
GB816933A GB17893/57A GB1789357A GB816933A GB 816933 A GB816933 A GB 816933A GB 17893/57 A GB17893/57 A GB 17893/57A GB 1789357 A GB1789357 A GB 1789357A GB 816933 A GB816933 A GB 816933A
Authority
GB
United Kingdom
Prior art keywords
head
mixing stage
record
june
superheterodyne
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
GB17893/57A
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 Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB816933A publication Critical patent/GB816933A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/20Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B31/00Arrangements for the associated working of recording or reproducing apparatus with related apparatus
    • G11B31/003Arrangements for the associated working of recording or reproducing apparatus with related apparatus with radio receiver
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/33Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/335Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only with saturated jig, e.g. for detecting second harmonic; balanced flux head

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Magnetic Heads (AREA)
GB17893/57A 1956-06-08 1957-06-05 Improvements in or relating to wireless receivers and magnetic record reproducing devices Expired GB816933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL352716X 1956-06-08

Publications (1)

Publication Number Publication Date
GB816933A true GB816933A (en) 1959-07-22

Family

ID=19785099

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17893/57A Expired GB816933A (en) 1956-06-08 1957-06-05 Improvements in or relating to wireless receivers and magnetic record reproducing devices

Country Status (6)

Country Link
US (1) US3042758A (en:Method)
BE (1) BE558166A (en:Method)
CH (1) CH352716A (en:Method)
FR (1) FR1177221A (en:Method)
GB (1) GB816933A (en:Method)
NL (2) NL207836A (en:Method)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436946A (en) * 1941-04-10 1948-03-02 Virgil A Hamilton Capacity-type phonograph pickup
US2488927A (en) * 1945-03-10 1949-11-22 Rca Corp Variable bridge transducer and its combination with a radio receiver
US2608621A (en) * 1949-10-08 1952-08-26 Bell Telephone Labor Inc Magnetic record detector
DE1019098B (de) * 1953-06-06 1957-11-07 Philips Nv Vorrichtung zum Abtasten und Wiedergeben von Magnetfeldern
NL179879B (nl) * 1953-07-15 Voest Alpine Ag Zeef voor het uit een suspensie afscheiden van vaste stoffen.
US2813155A (en) * 1954-02-23 1957-11-12 Motorola Inc Tone control for radio-phonograph combination

Also Published As

Publication number Publication date
NL106416C (en:Method)
CH352716A (de) 1961-03-15
NL207836A (en:Method)
FR1177221A (fr) 1959-04-22
BE558166A (en:Method)
US3042758A (en) 1962-07-03

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