[go: up one dir, main page]

DE190105C - - Google Patents

Info

Publication number
DE190105C
DE190105C DENDAT190105D DE190105DA DE190105C DE 190105 C DE190105 C DE 190105C DE NDAT190105 D DENDAT190105 D DE NDAT190105D DE 190105D A DE190105D A DE 190105DA DE 190105 C DE190105 C DE 190105C
Authority
DE
Germany
Prior art keywords
horn
telephone
microphone
streets
conically
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.)
Active
Application number
DENDAT190105D
Other languages
German (de)
Publication of DE190105C publication Critical patent/DE190105C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)

Description

Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.

Claims (1)

Patent-Anspruch:Patent claim: öffentliche Fernsprechstelle, die auch auf Straßen für Feuermeldezwecke benutzbar ist, dadurch gekennzeichnet, daß das Mikrophon (c) und das Telephon (d) an oder in den Öffnungsmitten eines geraden oder gebogenen Schalltrichters (a) hintereinander und in der Längsachse des Trichters gegenüberliegend derart befestigt sind, daß die von einem Ende des Schalltrichters (a) im Telephon (d) erzeugten Schwingungslaute aus der am anderen Ende befindlichen, das kegelförmig bekleidete Mikrophon (c) ungebenden ringförmigen Öffnung ertönen.Public telephone, which can also be used on streets for fire alarm purposes, characterized in that the microphone (c) and the telephone (d) are attached to or in the opening centers of a straight or curved horn (a) one behind the other and opposite one another in the longitudinal axis of the horn are that the vibration sounds generated by one end of the horn (a) in the telephone (d) sound from the ring-shaped opening located at the other end, the conically clad microphone (c).
DENDAT190105D Active DE190105C (en)

Publications (1)

Publication Number Publication Date
DE190105C true DE190105C (en)

Family

ID=453591

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT190105D Active DE190105C (en)

Country Status (1)

Country Link
DE (1) DE190105C (en)

Similar Documents

Publication Publication Date Title
Reynolds HTIMIT and LLHDB: speech corpora for the study of handset transducer effects
DE190105C (en)
De Amorim Sound production in the blue-green damselfish, Chromis viridis (Cuvier, 1830)(Pomacentridae)
DE19625570C2 (en) Percussion instrument
DE23632C (en) Telephone with new wire
JPS58202478A (en) Evaluator for singing capacity
DE93083C (en)
AT21079B (en) Device for amplifying the membrane vibrations of speech apparatus.
JPS5879400A (en) Hearing aid
DE103346C (en)
DE56662C (en)
DE373940C (en) Talking machine with built-in horn
DE32605C (en) Clamping device for flexible tongues on pipes
JPH02293900A (en) Voice synthesizer
JPS5869533A (en) Stethoscope
DE847921C (en) Loudspeaker with pipeline
DE10045569A1 (en) Hearing / Headset
AT98498B (en) Horn for reflected sound waves.
DE274620C (en)
DE211759C (en)
DE3122905C2 (en) Musical instrument with electromechanical and / or electronic tone generating device
DE31598C (en) Method of transmitting the human voice to telephone sets
DE71559C (en) Brass instrument with a muffled tone
DE258580C (en)
DE86426C (en)