GB626782A - Improvements in or relating to phonograph pickups - Google Patents

Improvements in or relating to phonograph pickups

Info

Publication number
GB626782A
GB626782A GB11847/47A GB1184747A GB626782A GB 626782 A GB626782 A GB 626782A GB 11847/47 A GB11847/47 A GB 11847/47A GB 1184747 A GB1184747 A GB 1184747A GB 626782 A GB626782 A GB 626782A
Authority
GB
United Kingdom
Prior art keywords
pick
relating
coil
frame
soft
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
GB11847/47A
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.)
SoundScriber Corp
Original Assignee
SoundScriber Corp
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 SoundScriber Corp filed Critical SoundScriber Corp
Publication of GB626782A publication Critical patent/GB626782A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus

Abstract

626,782. Gramophone pick-ups. SOUNDSCRIBER CORPORATION. May 2,1947, No. 11847. Convention date, Jan. 13, 1939. [Class 40 (iv)] An electrodynamic pick-up has a lightweight loop-shaped frame, which carries both the needle 48 and the actuating coil 52 and is yieldingly and pivotally mounted to vibrate freely between the pole faces of a pair of L- shaped extensions 32 and 33 to a permanent magnet 31, the coil being centred about a soft iron core member 41. The frame is yieldably mounted by the tongue 51 being inserted in a slit in the rubber strip 54 at one end and by a soft rubber sleeve 58 around the threaded stem 47 at the other.
GB11847/47A 1939-01-13 1947-05-02 Improvements in or relating to phonograph pickups Expired GB626782A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US250729A US2213936A (en) 1939-01-13 1939-01-13 Electrodynamic pickup

Publications (1)

Publication Number Publication Date
GB626782A true GB626782A (en) 1949-07-21

Family

ID=22948908

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11847/47A Expired GB626782A (en) 1939-01-13 1947-05-02 Improvements in or relating to phonograph pickups

Country Status (4)

Country Link
US (1) US2213936A (en)
BE (1) BE473416A (en)
FR (1) FR946860A (en)
GB (1) GB626782A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416082A (en) * 1944-08-08 1947-02-18 Soundscriber Corp Humless electrodynamic pickup
US2542457A (en) * 1946-12-31 1951-02-20 Soundscriber Corp Electrodynamic pickup
US2514379A (en) * 1947-08-25 1950-07-11 Jr Charles R Douglass Electrodynamic recording head
US2534725A (en) * 1948-07-15 1950-12-19 Stewart M Miller Electrodynamic pickup hearing u-shaped coil holder

Also Published As

Publication number Publication date
BE473416A (en)
FR946860A (en) 1949-06-16
US2213936A (en) 1940-09-03

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