DE268938C - - Google Patents

Info

Publication number
DE268938C
DE268938C DENDAT268938D DE268938DA DE268938C DE 268938 C DE268938 C DE 268938C DE NDAT268938 D DENDAT268938 D DE NDAT268938D DE 268938D A DE268938D A DE 268938DA DE 268938 C DE268938 C DE 268938C
Authority
DE
Germany
Prior art keywords
mouthpieces
mouthpiece
telephone
person
speaking
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
DENDAT268938D
Other languages
German (de)
English (en)
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.)
Publication of DE268938C publication Critical patent/DE268938C/de
Active 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
    • H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
DENDAT268938D 1913-05-13 Active DE268938C (enEXAMPLES)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191311198T 1913-05-13

Publications (1)

Publication Number Publication Date
DE268938C true DE268938C (enEXAMPLES)

Family

ID=32370659

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT268938D Active DE268938C (enEXAMPLES) 1913-05-13

Country Status (3)

Country Link
DE (1) DE268938C (enEXAMPLES)
FR (1) FR458779A (enEXAMPLES)
GB (1) GB191311198A (enEXAMPLES)

Also Published As

Publication number Publication date
GB191311198A (en) 1913-09-18
FR458779A (fr) 1913-10-18

Similar Documents

Publication Publication Date Title
DE268938C (enEXAMPLES)
KR840006599A (ko) 낚시리일용 래치트 스프링
DE3538594C2 (enEXAMPLES)
DE2618062A1 (de) Zusatzelement fuer telefon-hoer- und sprechmuscheln
DE287409C (enEXAMPLES)
DE10358432B4 (de) Federspanner
AT19741B (de) Hygienische Schutzvorrichtung für Telephonapparate.
DE1038442B (de) Trockenrasiergeraet
DE2004701A1 (de) Vorrichtung zum Halten eines Telefon Handapparates
AT203204B (de) Vorrichtung zue Herstellung von Streifen bzw. Fäden aus synthetischem Schaumstoff
DE440684C (de) Messerkopf mit auswechselbaren Klingen fuer Fleischwoelfe
DE152658C (enEXAMPLES)
DE373451C (de) Um den Hals zu tragender Halter fuer Mikrophone
DE2324686A1 (de) Flughelm
DE262871C (enEXAMPLES)
CH140735A (de) Telephonnotizblock.
DE204974C (enEXAMPLES)
DE349196C (de) Kopfbedeckung zum Schutz gegen Insekten
DE467080C (de) Strohschneider mit ortsfesten, unter Federwirkung stehenden Messern und zwischen diese greifenden umlaufenden Zubringern
DE885870C (de) Halter fuer den Handgriff des Telefons
DE366624C (de) Am Gehaeuse eines Tischtelephons anzubringender ausziehbarer Schnurhalter
DE843737C (de) Zahnklammer
DE459918C (de) Hoerrohr
DE639551C (de) Rechen, dessen an einer Tragplatte strahlenfoermig angeordnete Zinken die hintere Kante der Platte U-foermig umgreifen
DE202916C (enEXAMPLES)