GB646593A - Improvements in or relating to gramophones - Google Patents

Improvements in or relating to gramophones

Info

Publication number
GB646593A
GB646593A GB7915/48A GB791548A GB646593A GB 646593 A GB646593 A GB 646593A GB 7915/48 A GB7915/48 A GB 7915/48A GB 791548 A GB791548 A GB 791548A GB 646593 A GB646593 A GB 646593A
Authority
GB
United Kingdom
Prior art keywords
gramophones
relating
march
boer
record
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
GB7915/48A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB646593A publication Critical patent/GB646593A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers

Landscapes

  • Mechanical Control Devices (AREA)

Abstract

646,593. Gramophones. BOER, J. J. DE. March 16, 1948, No. 7915. Convention date, March 24, 1947. [Class 40 (ii)] The gramophone pick-up 2 is engaged in its extreme position by the stop 3 which can be brought to either of two different positions, according to the size of the record 1, and which may support the arm in the rest position.
GB7915/48A 1947-03-24 1948-03-16 Improvements in or relating to gramophones Expired GB646593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646593X 1947-03-24

Publications (1)

Publication Number Publication Date
GB646593A true GB646593A (en) 1950-11-22

Family

ID=19791945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7915/48A Expired GB646593A (en) 1947-03-24 1948-03-16 Improvements in or relating to gramophones

Country Status (1)

Country Link
GB (1) GB646593A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1097161B (en) * 1956-07-25 1961-01-12 Walter Urban Record player
US3189351A (en) * 1962-01-19 1965-06-15 Zenith Radio Corp Record player with stylus cleaning means

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1097161B (en) * 1956-07-25 1961-01-12 Walter Urban Record player
US3189351A (en) * 1962-01-19 1965-06-15 Zenith Radio Corp Record player with stylus cleaning means

Similar Documents

Publication Publication Date Title
GB646593A (en) Improvements in or relating to gramophones
GB852065A (en) Improvements in phonographs
AU137160B2 (en) Improvements in or relating to gramophone records
AU137631B2 (en) Improvements in or relating to gramophone records
CA439571A (en) Phonograph pick-up
AU139807B2 (en) Improvements in or relating to counterbalanced pickup or reproducer arms
AU980347A (en) Improvements in or relating to gramophone records
AU980447A (en) Improvements in or relating to gramophone records
AU1111847A (en) Improvements in or relating to counterbalanced pickup or reproducer arms
AU138003B2 (en) Improvements in or relating to phonograph recorders
CA439703A (en) Sound reproducing and amplifying device
AU136284B2 (en) Improvements in or relating to phonograph transcribers
AU142884B2 (en) Improvements in magnetic recording reproducing systems
AU138702B2 (en) Improvements in or relating to sound recording and reproducing devices
CA439569A (en) Phonograph pick-up
GB646270A (en) Improvements in and relating to gramophone apparatus
AU129884B2 (en) Phonograph tonearm mounting
AU1076947A (en) Improvements in or relating to phonograph recorders
AU1198847A (en) Improvements in or relating to phonograph transcribers
CA436956A (en) Phonograph record cueing method and means
AU140327B2 (en) Improvements in or relating to phonograph pickups
CA477941A (en) Means for diminishing "background noise" in the photo-electric recording of sound
AU1217347A (en) Improvements in or relating to sound recording and reproducing devices
AU142265B2 (en) Improvements in or relating to magnetic recording
CA442990A (en) Magnetic sound record