GB845904A - A device for the production or playing back of a two-signal grooved sound track - Google Patents

A device for the production or playing back of a two-signal grooved sound track

Info

Publication number
GB845904A
GB845904A GB829157A GB829157A GB845904A GB 845904 A GB845904 A GB 845904A GB 829157 A GB829157 A GB 829157A GB 829157 A GB829157 A GB 829157A GB 845904 A GB845904 A GB 845904A
Authority
GB
United Kingdom
Prior art keywords
coil
needle
tube
lobes
former
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
GB829157A
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.)
TELDEC Telefunken Decca Schallplatten GmbH
Original Assignee
TELDEC Telefunken Decca Schallplatten 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 TELDEC Telefunken Decca Schallplatten GmbH filed Critical TELDEC Telefunken Decca Schallplatten GmbH
Publication of GB845904A publication Critical patent/GB845904A/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
    • H04R9/16—Gramophone pick-ups using a stylus; Recorders using a stylus signals 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)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Position Input By Displaying (AREA)
GB829157A 1956-03-16 1957-03-13 A device for the production or playing back of a two-signal grooved sound track Expired GB845904A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET11989A DE1026981B (de) 1956-03-16 1956-03-16 Mechanisch-elektrischer Wandler fuer die Erzeugung oder Abtastung einer rillenfoermigen Tonspur

Publications (1)

Publication Number Publication Date
GB845904A true GB845904A (en) 1960-08-24

Family

ID=7546881

Family Applications (1)

Application Number Title Priority Date Filing Date
GB829157A Expired GB845904A (en) 1956-03-16 1957-03-13 A device for the production or playing back of a two-signal grooved sound track

Country Status (4)

Country Link
DE (1) DE1026981B (enrdf_load_html_response)
FR (1) FR1171607A (enrdf_load_html_response)
GB (1) GB845904A (enrdf_load_html_response)
NL (1) NL99355C (enrdf_load_html_response)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1107957B (de) 1956-03-20 1961-05-31 Teldec Telefunken Decca Schneiddose zur Erzeugung einer rillenfoermigen, vorzugsweise zwei Signale enthaltenden Tonspur
NL224776A (enrdf_load_html_response) 1957-12-10
DE1135675B (de) 1958-01-18 1962-08-30 Neumann Georg Elektrodynamischer Tonabnehmer oder Schneiddose zum Abtasten bzw. Schneiden einer rillenfoermigen Tonspur
NL228905A (enrdf_load_html_response) * 1958-06-20
DE1129718B (de) * 1958-07-14 1962-05-17 Georg Neumann Lab Fuer Elektro Elektrodynamischer Tonabnehmer oder Schneiddose
NL244111A (enrdf_load_html_response) * 1958-10-09

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE654353C (de) * 1934-09-29 1937-12-23 Electrical Res Prod Inc Rillentonabtaster fuer Berliner- und Edisonschrift

Also Published As

Publication number Publication date
FR1171607A (fr) 1959-01-28
DE1026981B (de) 1958-03-27
NL99355C (enrdf_load_html_response)

Similar Documents

Publication Publication Date Title
US2423339A (en) Reproducing head for magnetic telegraphones
GB845904A (en) A device for the production or playing back of a two-signal grooved sound track
US2424633A (en) Acoustic reservoir for use in a magnetic sound recording and reproducing system
GB841294A (en) Cutting systems for producing grooved sound tracks
GB1535938A (en) Electromagnetic transducers
GB709287A (en) Improvements in or relating to magnetic heads for magnetic sound recording apparatusemploying high-frequency bias
GB939983A (en) Improvements in or relating to electro-magnetic transducers
FR1113629A (fr) Perfectionnements aux appareils d'enregistrement et de reproduction du son par bandes magnétiques
GB469093A (en) Improvements in or relating to magnetic systems, particularly for electro-acoustic apparatus
GB254403A (en) Improvements in electromagnetic microphones or the like, adapted to be actuated by agramophone or like record
GB697239A (en) Improvements in or relating to gramophone pick-ups and recording heads
JPS5325419A (en) Speaker
GB747767A (en) Improvements in or relating to sound recording and reproducing devices
GB783198A (en) Improvements in or relating to apparatus for the reproduction of multi-track magnetic records
GB1114002A (en) Improvements relating to electro-magnetic transducer heads
GB799003A (en) Improvements in or relating to controllable inductances
GB810929A (en) Improvements in or relating to magnetic sound transducing devices
GB856829A (en) Improvements in gramophone pick-ups
JPS562796A (en) Moving coil type stereo pickup cartridge
JPS52111712A (en) Magnetic head of thin film
GB723386A (en) Improvements in or relating to electromagnetic transducer head and method of recording
GB538058A (en) Improvements in or relating to moving coil pickups
ES254241A1 (es) Aparato para grabar o reproducir vibraciones acusticas
GB675435A (en) Improvements in or relating to magnetic sound recording methods
GB541915A (en) Improvements in electric-acoustic transducers, particularly of the moving coil type