GB766048A - Improvements in and relating to sound reproducing apparatus - Google Patents

Improvements in and relating to sound reproducing apparatus

Info

Publication number
GB766048A
GB766048A GB34956A GB34956A GB766048A GB 766048 A GB766048 A GB 766048A GB 34956 A GB34956 A GB 34956A GB 34956 A GB34956 A GB 34956A GB 766048 A GB766048 A GB 766048A
Authority
GB
United Kingdom
Prior art keywords
relating
reproducing apparatus
oct
sound reproducing
automatic
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
GB34956A
Inventor
Lawrence Vincent Guest
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.)
Birmingham Sound Reproducers Ltd
Original Assignee
Birmingham Sound Reproducers 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 Birmingham Sound Reproducers Ltd filed Critical Birmingham Sound Reproducers Ltd
Publication of GB766048A publication Critical patent/GB766048A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/08—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records
    • G11B17/12—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis
    • G11B17/16—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in stationary centre post, e.g. with stepped post, using fingers on post
    • G11B17/162—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in stationary centre post, e.g. with stepped post, using fingers on post with means for detecting the diameter of the record
    • G11B17/165—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in stationary centre post, e.g. with stepped post, using fingers on post with means for detecting the diameter of the record with mechanical detecting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc

Abstract

766,048. Automatic gramophones. BIRMINGHAM SOUND REPRODUCERS, Ltd. Oct. 3, 1955 [Oct. 1, 1954], No. 349/56. Divided out of 766,047. Class 40 (2). In an automatic gramophone of the kind described in Specification 693,594, the multiabutment surfaced slide 26 of that Specification is replaced by a lever 22 having a single upper abutment surface which engages stepped circular abutment surfaces on a detent member 28. A torsion spring 36 replaces the tension spring 35 of the above-mentioned Specification.
GB34956A 1951-02-13 1954-10-01 Improvements in and relating to sound reproducing apparatus Expired GB766048A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB353251A GB693594A (en) 1951-02-13 1951-02-13 Improvements in and relating to sound reproducing apparatus
GB2840354A GB766047A (en) 1951-02-13 1954-10-01 Improvements in and relating to sound reproducing apparatus

Publications (1)

Publication Number Publication Date
GB766048A true GB766048A (en) 1957-01-16

Family

ID=26238389

Family Applications (3)

Application Number Title Priority Date Filing Date
GB353251A Expired GB693594A (en) 1951-02-13 1951-02-13 Improvements in and relating to sound reproducing apparatus
GB2840354A Expired GB766047A (en) 1951-02-13 1954-10-01 Improvements in and relating to sound reproducing apparatus
GB34956A Expired GB766048A (en) 1951-02-13 1954-10-01 Improvements in and relating to sound reproducing apparatus

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB353251A Expired GB693594A (en) 1951-02-13 1951-02-13 Improvements in and relating to sound reproducing apparatus
GB2840354A Expired GB766047A (en) 1951-02-13 1954-10-01 Improvements in and relating to sound reproducing apparatus

Country Status (3)

Country Link
FR (1) FR1056304A (en)
GB (3) GB693594A (en)
NL (2) NL82697C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2896953A (en) * 1953-09-17 1959-07-28 Plessey Co Ltd Tone arm mounting for gramophones
GB764490A (en) * 1954-04-06 1956-12-28 Collaro Ltd Improvements in automatic or magazine gramophone apparatus
DE1075334B (en) * 1954-07-29 1960-02-11 Webster-Chicago Corporation, Chicago, 111. (V. St. A.) Automatic record changer for records
DE1079340B (en) * 1956-09-13 1960-04-07 Birmingham Sound Reproducers L Device for scanning the record diameter in record changers
GB823749A (en) * 1957-05-15 1959-11-18 Birmingham Sound Reproducers Improvements in and relating to sound reproducing apparatus
US2950921A (en) * 1957-06-17 1960-08-30 Birmingham Sound Reproducers Sound reproducing apparatus
DE1117316B (en) * 1957-06-17 1961-11-16 Birmingham Sound Reproducers L Record changer

Also Published As

Publication number Publication date
GB766047A (en) 1957-01-16
GB693594A (en) 1953-07-01
FR1056304A (en) 1954-02-25
NL167342B (en)
NL82697C (en) 1956-09-15

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