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)
English (en)
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)
DENDAT190105D Active DE190105C (ref)

Publications (1)

Publication Number Publication Date
DE190105C true DE190105C (ref)

Family

ID=453591

Family Applications (1)

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

Country Status (1)

Country Link
DE (1) DE190105C (ref)

Similar Documents

Publication Publication Date Title
DE190105C (ref)
DE60018349T2 (de) Erzeugung von einem Namenwörterbuch aus aufgezeichneten telephonischen Grüssen für die Spracherkennung
De Amorim Sound production in the blue-green damselfish, Chromis viridis (Cuvier, 1830)(Pomacentridae)
Kahrs et al. Computer synthesis of bird songs and calls
Hyun et al. Robust speech emotion recognition using log frequency power ratio
JPS58202478A (ja) 歌唱能力などの評価装置
DE93083C (ref)
AT21079B (de) Einrichtung zur Verstärkung der Membranschwingungen von Sprechapparaten.
JPS5879400A (ja) 補聴器
DE103346C (ref)
DE245049C (ref)
DE373940C (de) Sprechmaschine mit eingebautem Trichter
DE32605C (de) Spannvorrichtung für dehnbare Zungen an Pfeifen
DE259917C (ref)
JPH02293900A (ja) 音声合成装置
JPS5869533A (ja) 聴診器
DE847921C (de) Lautsprecher mit Rohrleitung
DE10045569A1 (de) Hör-/Sprechgarnitur
AT62503B (de) Kniestück für Schalleitungen.
DE274620C (ref)
DE3122905C2 (de) Musikinstrument mit elektromechanischer und/oder elektronischer Tonerzeugungsvorrichtung
DE71559C (de) Blechblasinstrument mit gedämpftem Ton
DE258580C (ref)
DE86426C (ref)
DE226297C (ref)