AT169056B - Speaking or listening heads for devices for sound recording on magnetic sound writing carriers - Google Patents

Speaking or listening heads for devices for sound recording on magnetic sound writing carriers

Info

Publication number
AT169056B
AT169056B AT169056DA AT169056B AT 169056 B AT169056 B AT 169056B AT 169056D A AT169056D A AT 169056DA AT 169056 B AT169056 B AT 169056B
Authority
AT
Austria
Prior art keywords
sound
speaking
devices
magnetic
carriers
Prior art date
Application number
Other languages
German (de)
Inventor
Lois Ing Leitner
Original Assignee
Lois Ing Leitner
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 claimed from AT167390D external-priority patent/AT167390B/en
Application filed by Lois Ing Leitner filed Critical Lois Ing Leitner
Application granted granted Critical
Publication of AT169056B publication Critical patent/AT169056B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/49—Reducing the effects of electromagnetic noise on the functioning of hearing aids, by, e.g. shielding, signal processing adaptation, selective (de)activation of electronic parts in hearing aid

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
AT169056D 1946-11-27 1949-04-07 Speaking or listening heads for devices for sound recording on magnetic sound writing carriers AT169056B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT167390D AT167390B (en) 1946-11-27 1946-11-27 Speaking and listening heads for devices for sound recording on magnetic sound writing carriers
AT169056T 1949-04-07

Publications (1)

Publication Number Publication Date
AT169056B true AT169056B (en) 1951-10-10

Family

ID=25607236

Family Applications (1)

Application Number Title Priority Date Filing Date
AT169056D AT169056B (en) 1946-11-27 1949-04-07 Speaking or listening heads for devices for sound recording on magnetic sound writing carriers

Country Status (1)

Country Link
AT (1) AT169056B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018233B (en) * 1952-07-16 1957-10-24 Siemens Ag Magnetic head for magnetic recorders
US2895015A (en) * 1953-09-17 1959-07-14 Rca Corp Magnetic record transducer
DE1115944B (en) * 1953-08-05 1961-10-26 Standard App Fabrik G M B H Tape player

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1018233B (en) * 1952-07-16 1957-10-24 Siemens Ag Magnetic head for magnetic recorders
DE1115944B (en) * 1953-08-05 1961-10-26 Standard App Fabrik G M B H Tape player
US2895015A (en) * 1953-09-17 1959-07-14 Rca Corp Magnetic record transducer

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