GB847758A - Improvements in or relating to sound recording or reproducing pick-up heads - Google Patents

Improvements in or relating to sound recording or reproducing pick-up heads

Info

Publication number
GB847758A
GB847758A GB36602/58A GB3660258A GB847758A GB 847758 A GB847758 A GB 847758A GB 36602/58 A GB36602/58 A GB 36602/58A GB 3660258 A GB3660258 A GB 3660258A GB 847758 A GB847758 A GB 847758A
Authority
GB
United Kingdom
Prior art keywords
crystal
pick
records
heads
relating
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
GB36602/58A
Other languages
English (en)
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.)
ELAC Electroacustic GmbH
Original Assignee
ELAC Electroacustic GmbH
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 ELAC Electroacustic GmbH filed Critical ELAC Electroacustic GmbH
Publication of GB847758A publication Critical patent/GB847758A/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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Recording Measured Values (AREA)
GB36602/58A 1957-11-13 1958-11-13 Improvements in or relating to sound recording or reproducing pick-up heads Expired GB847758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE14936A DE1089983B (de) 1957-11-13 1957-11-13 Schneiddose oder Tonabnehmer zur gleichzeitigen Aufzeichnung oder Abtastung zweier Tonspuren

Publications (1)

Publication Number Publication Date
GB847758A true GB847758A (en) 1960-09-14

Family

ID=7068926

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36602/58A Expired GB847758A (en) 1957-11-13 1958-11-13 Improvements in or relating to sound recording or reproducing pick-up heads

Country Status (4)

Country Link
US (1) US2979573A (forum.php)
DE (1) DE1089983B (forum.php)
GB (1) GB847758A (forum.php)
NL (2) NL106293C (forum.php)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL226065A (forum.php) * 1958-03-20
US3325603A (en) * 1963-02-20 1967-06-13 Rabinow Jacob Stereo record player using optical means separate from the tone arm
US3673583A (en) * 1970-08-11 1972-06-27 Minnesota Mining & Mfg Recorder with means to move the spindle perpendicular to its axis of rotation
US4523120A (en) * 1984-06-04 1985-06-11 The United States Of America As Represented By The Secretary Of The Navy Precise bearing support ditherer with piezoelectric drive means

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1902184A (en) * 1927-06-07 1933-03-21 Rieber Frank Vibration sensitive system
US1760198A (en) * 1927-08-13 1930-05-27 Fed Telegraph Co Television apparatus
US2114471A (en) * 1936-06-20 1938-04-19 Bell Telephone Labor Inc Sound recording and reproducing system
BE441654A (forum.php) * 1940-03-30
US2542017A (en) * 1947-04-07 1951-02-20 Charles Grunsky Combined electromagnetic piezoelectric phonograph translating device
DE816311C (de) * 1949-05-04 1951-10-08 Telefunken Gmbh Tonabnehmer
US2743110A (en) * 1953-02-26 1956-04-24 Freiberg Alan Apparatus for producing one groove binaural records

Also Published As

Publication number Publication date
DE1089983B (de) 1960-09-29
NL106293C (forum.php)
NL233135A (forum.php)
US2979573A (en) 1961-04-11

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