GB379100A - Improvements relating to apparatus for the electrical reproduction of sound - Google Patents

Improvements relating to apparatus for the electrical reproduction of sound

Info

Publication number
GB379100A
GB379100A GB24278/31A GB2427831A GB379100A GB 379100 A GB379100 A GB 379100A GB 24278/31 A GB24278/31 A GB 24278/31A GB 2427831 A GB2427831 A GB 2427831A GB 379100 A GB379100 A GB 379100A
Authority
GB
United Kingdom
Prior art keywords
sound
improvements relating
class
electrical reproduction
road
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
GB24278/31A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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
Priority to GB5020/31A priority Critical patent/GB373158A/en
Priority to US549949A priority patent/US1914191A/en
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Priority to GB24278/31A priority patent/GB379100A/en
Priority to BE386486D priority patent/BE386486A/fr
Priority to FR731491D priority patent/FR731491A/en
Priority to DEA65093D priority patent/DE617320C/en
Publication of GB379100A publication Critical patent/GB379100A/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means

Abstract

379,100. Supporting gramophone pick-ups. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London, AULT, L. B., 172, Allesley Old Road, and ROBINSON, T. F., 6, Dane Road, Stoke, both in Coventry. Aug. 28, 1931, No. 24278. Addition to 310,284, [Class 40 (iv), Telephones &c.], and 373,158, [Group XXXIX]. Drawings to Specification. [Class 40 (ii).] The housing of a gramophone pick-up is made integral with its supporting arm.
GB24278/31A 1931-02-17 1931-08-28 Improvements relating to apparatus for the electrical reproduction of sound Expired GB379100A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB5020/31A GB373158A (en) 1931-02-17 1931-02-17 Improvements relating to apparatus for the electrical reproduction of sound
US549949A US1914191A (en) 1931-02-17 1931-07-10 Electric sound reproducing apparatus
GB24278/31A GB379100A (en) 1931-02-17 1931-08-28 Improvements relating to apparatus for the electrical reproduction of sound
BE386486D BE386486A (en) 1931-02-17 1932-02-16
FR731491D FR731491A (en) 1931-02-17 1932-02-17 Improvements to sound reproduction devices
DEA65093D DE617320C (en) 1931-02-17 1932-02-18 Electromagnetic sound box

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5020/31A GB373158A (en) 1931-02-17 1931-02-17 Improvements relating to apparatus for the electrical reproduction of sound
GB24278/31A GB379100A (en) 1931-02-17 1931-08-28 Improvements relating to apparatus for the electrical reproduction of sound

Publications (1)

Publication Number Publication Date
GB379100A true GB379100A (en) 1932-08-25

Family

ID=26239533

Family Applications (2)

Application Number Title Priority Date Filing Date
GB5020/31A Expired GB373158A (en) 1931-02-17 1931-02-17 Improvements relating to apparatus for the electrical reproduction of sound
GB24278/31A Expired GB379100A (en) 1931-02-17 1931-08-28 Improvements relating to apparatus for the electrical reproduction of sound

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB5020/31A Expired GB373158A (en) 1931-02-17 1931-02-17 Improvements relating to apparatus for the electrical reproduction of sound

Country Status (5)

Country Link
US (1) US1914191A (en)
BE (1) BE386486A (en)
DE (1) DE617320C (en)
FR (1) FR731491A (en)
GB (2) GB373158A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581511A (en) * 1947-12-31 1952-01-08 Donald J Baker Magnetic phonograph pickup

Also Published As

Publication number Publication date
BE386486A (en) 1932-03-31
US1914191A (en) 1933-06-13
FR731491A (en) 1932-09-03
GB373158A (en) 1932-05-17
DE617320C (en) 1935-08-16

Similar Documents

Publication Publication Date Title
GB685336A (en) Improvements in and relating to phonograph stylus supports
GB379100A (en) Improvements relating to apparatus for the electrical reproduction of sound
GB402596A (en) Improvements in and relating to lamp supporting devices
GB464418A (en) Improvements in or relating to sound reproducing apparatus
GB451664A (en) Improvements in and relating to loud speakers
GB454161A (en) Improvements in or relating to the production of sound records
GB476777A (en) Improvements in or relating to sound film reproducing apparatus
GB388729A (en) Improvements in or relating to sound recording or reproducing devices
GB412296A (en) Improvements in and relating to electrical pickups for gramophones
GB531740A (en) Improvements in pick-ups for sound reproduction
GB377191A (en) Improvements in sound recording and sound-reproducing machines
GB346419A (en) Improvements relating to switch mechanism for projectors of sounds, pictures and so forth
GB324049A (en) Improvements in or relating to television and like apparatus
GB385702A (en) Improvements in sound reproducing mechanism
GB346149A (en) Improvements in and relating to apparatus for reproducing sound from sound film records
GB771981A (en) Improvements in record envelopes
GB305748A (en) Improvements in and relating to loud speakers
GB557380A (en) Improvements in or relating to the reproduction of sound and light
GB423274A (en) Improvements in and relating to transmission systems for supplying music and other broadcast matter
CA354331A (en) Recording and reproducing telephone system
GB671803A (en) Improvements in and relating to tone arms
AU1307119A (en) Improvements in diaphragms for gramophones, phonographs telephones andthe like
JPS51130105A (en) Automatic reproduction of the message to the answer phone
GB149543A (en) Improvements in sound reproducing instruments
GB438824A (en) Improvements in or relating to loud speakers