[go: up one dir, main page]

DE422994C - Loudspeaker receiver - Google Patents

Loudspeaker receiver

Info

Publication number
DE422994C
DE422994C DES63506D DES0063506D DE422994C DE 422994 C DE422994 C DE 422994C DE S63506 D DES63506 D DE S63506D DE S0063506 D DES0063506 D DE S0063506D DE 422994 C DE422994 C DE 422994C
Authority
DE
Germany
Prior art keywords
loudspeaker receiver
loudspeaker
receiver
membrane
space
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
DES63506D
Other languages
German (de)
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.)
ELEK SCHER und MECHANISCHER AP
GEORG SEIBT FA DR
Original Assignee
ELEK SCHER und MECHANISCHER AP
GEORG SEIBT FA DR
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 ELEK SCHER und MECHANISCHER AP, GEORG SEIBT FA DR filed Critical ELEK SCHER und MECHANISCHER AP
Priority to DES63506D priority Critical patent/DE422994C/en
Application granted granted Critical
Publication of DE422994C publication Critical patent/DE422994C/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)

Description

Lautsprechender Fernhörer. Die Erfindung bezieht sich auf lautsprechende Fernhörer, vorzugsweise solche, «-elche mit einem Trichter ausgerüstet sind. Wegen der starken Ströme, die in solchen Hörern fließen, wird die Membran sehr stark angezogen, wodurch Klirrgeräusche entstehen. Zur Vermeidung derselben und um zugleich die Däiii-p`ung der Membran zu erhöhen, soll der Erfindung gemäß die Dose des Hörers, d. h. der Raum auf der Rückseite der Membran, mit Watte oder einem anderen lockeren Stoff ausgefüllt werden. Die Erfahrung lehrt, daß Musik und Sprache dann viel klarer wiedergegeben wird.Remote speakerphone. The invention relates to loudspeakers Remote receivers, preferably those that are equipped with a funnel. Because of the strong currents that flow in such headphones, the membrane is very strongly attracted, causing clinking noises. To avoid the same and at the same time the däiii-p`ung To increase the membrane, according to the invention, the socket of the listener, d. H. the Space on the back of the membrane, with cotton or some other loose material fill out. Experience shows that music and language are then reproduced much more clearly will.

Claims (1)

PATENT- A/N$PRUCH Lautsprechender Fernhörer, dadurch gekennzeichnet, daß der Raum auf der Rücl.;seite der Membran mit Watte oder einem lockeren, schalldämpfenden Stoff ausgefüllt ist. PATENT A / N $ PRUCH Loudspeaker remote receiver, characterized in that the space on the back of the membrane is filled with cotton wool or a loose, sound-absorbing material.
DES63506D 1923-08-07 1923-08-07 Loudspeaker receiver Expired DE422994C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES63506D DE422994C (en) 1923-08-07 1923-08-07 Loudspeaker receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES63506D DE422994C (en) 1923-08-07 1923-08-07 Loudspeaker receiver

Publications (1)

Publication Number Publication Date
DE422994C true DE422994C (en) 1925-12-22

Family

ID=7496437

Family Applications (1)

Application Number Title Priority Date Filing Date
DES63506D Expired DE422994C (en) 1923-08-07 1923-08-07 Loudspeaker receiver

Country Status (1)

Country Link
DE (1) DE422994C (en)

Similar Documents

Publication Publication Date Title
DE3023291A1 (en) ACOUSTIC FILTER FOR A COAXIAL SPEAKER SYSTEM
DE422994C (en) Loudspeaker receiver
AT265385B (en) Setting aid for the electroacoustic transmission of sound events that are picked up by a microphone
DE853172C (en) Loudspeakers, especially for use in a loudspeaker combination
GB472056A (en) Improvements in or relating to microphones
US2093076A (en) Sound reproducing and amplifying system
DE1163386B (en) Dynamic headphones based on the two-way system.
AT331321B (en) ARRANGEMENT FOR HEADPHONES
DE428869C (en) Loudspeaker receiver
JPS5595500A (en) Acoustic unit utilizing ultrasonic wave
AT112056B (en) Speaker.
DE924807C (en) Facility for voice transmission from noisy rooms
DE398195C (en) Loudspeaker telephone
DE727877C (en) Objection for microphones for telephoning in a noisy environment
JPS6137040Y2 (en)
DE2125398C3 (en) Sound reproduction system
DE557818C (en) Loudspeaker with a large area membrane and an adjoining bell
DE593262C (en) Method for reducing the roughness of the reproduction in speech or music transmission systems
Marriott United States radio broadcasting development
SU13712A1 (en) A device for alternately switching on a low-frequency amplifier intended for both amplifying speakers' speeches and broadcasting speeches delivered at congresses, meetings, etc.
EP0377144B1 (en) Method and device for correcting a distortion of the loudness perception of a reproduced-sound presentation
US1540229A (en) Sound reproducer
AT119690B (en) Device for recording and reproducing acoustic signals by electromagnetic means.
DE835907C (en) Broadcasting station
US1665284A (en) Acoustic diaphragm