GB388729A - Improvements in or relating to sound recording or reproducing devices - Google Patents

Improvements in or relating to sound recording or reproducing devices

Info

Publication number
GB388729A
GB388729A GB15556/31A GB1555631A GB388729A GB 388729 A GB388729 A GB 388729A GB 15556/31 A GB15556/31 A GB 15556/31A GB 1555631 A GB1555631 A GB 1555631A GB 388729 A GB388729 A GB 388729A
Authority
GB
United Kingdom
Prior art keywords
relating
sound recording
reproducing devices
new york
broadway
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
GB15556/31A
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Publication of GB388729A publication Critical patent/GB388729A/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

388,729. Plug couplings. ELECTRICAL RESEARCH PRODUCTS, Inc., 195, Broadway, New York, U.S.A.-(Assignees of Morrison, L. A. ; 3111, Glenwood Road, Brooklyn, New York, U.S.A.) May 27, 1931, No. 15556. Convention date, June 6, 1930. Void [Published under Sect. 91 of the Acts]. [Class 38 (i).] A gramophone pick-up is connected mechanically and electrically to the supporting arm 24 by means of plugs 22 engaging in split sockets 23 adapted to be clamped in place by a bolt. 27.
GB15556/31A 1930-06-06 1931-05-27 Improvements in or relating to sound recording or reproducing devices Expired GB388729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US459586A US1947164A (en) 1930-06-06 1930-06-06 Phonograph reproducer

Publications (1)

Publication Number Publication Date
GB388729A true GB388729A (en) 1933-03-02

Family

ID=23825384

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15556/31A Expired GB388729A (en) 1930-06-06 1931-05-27 Improvements in or relating to sound recording or reproducing devices

Country Status (3)

Country Link
US (1) US1947164A (en)
FR (1) FR718036A (en)
GB (1) GB388729A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE896568C (en) * 1941-06-05 1953-11-12 Grammophon G M B H Deutsche Pickups for records
US3766330A (en) * 1972-04-28 1973-10-16 Aero Service Corp Disc recording stylus driver

Also Published As

Publication number Publication date
US1947164A (en) 1934-02-13
FR718036A (en) 1932-01-18

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