CH409019A - Elektrisches Kleingerät mit Verstärker und Speisebatterie, insbesondere Hörgerät - Google Patents

Elektrisches Kleingerät mit Verstärker und Speisebatterie, insbesondere Hörgerät

Info

Publication number
CH409019A
CH409019A CH372163A CH372163A CH409019A CH 409019 A CH409019 A CH 409019A CH 372163 A CH372163 A CH 372163A CH 372163 A CH372163 A CH 372163A CH 409019 A CH409019 A CH 409019A
Authority
CH
Switzerland
Prior art keywords
amplifier
hearing aid
electrical device
supply battery
small electrical
Prior art date
Application number
CH372163A
Other languages
English (en)
Inventor
Johan Ufkes Pieter
Hubertus Waegemakers Johannes
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH409019A publication Critical patent/CH409019A/de

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
    • H04R27/00—Public address systems
    • H04R27/02—Amplifying systems for the deaf

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
CH372163A 1962-03-27 1963-03-25 Elektrisches Kleingerät mit Verstärker und Speisebatterie, insbesondere Hörgerät CH409019A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL276488 1962-03-27

Publications (1)

Publication Number Publication Date
CH409019A true CH409019A (de) 1966-03-15

Family

ID=19753710

Family Applications (1)

Application Number Title Priority Date Filing Date
CH372163A CH409019A (de) 1962-03-27 1963-03-25 Elektrisches Kleingerät mit Verstärker und Speisebatterie, insbesondere Hörgerät

Country Status (3)

Country Link
CH (1) CH409019A (de)
DK (1) DK105281C (de)
GB (1) GB1014521A (de)

Also Published As

Publication number Publication date
DK105281C (da) 1966-09-12
GB1014521A (en) 1965-12-31

Similar Documents

Publication Publication Date Title
NL142047B (nl) Elektrisch hoorapparaat.
CH484748A (de) Einfärbe- und/oder Befeuchtungseinrichtung
DK107392C (da) Elektrokemisk halvcelle.
CH395267A (de) Strombegrenzungseinrichtung
CH409019A (de) Elektrisches Kleingerät mit Verstärker und Speisebatterie, insbesondere Hörgerät
FR1296624A (fr) Perfectionnements aux circuits électriques et radio-électriques
FR81732E (fr) Perfectionnements aux téléimprimeurs
NL144800B (nl) Radiozend- en ontvanginrichting.
CH404355A (de) Schneid- und Pressvorrichtung
FR1336077A (fr) Générateurs électrochimiques
FR1362368A (fr) élément de pile et pile galvanique
FR1898M (fr) Nouvelle substance utilisable en thérapeutique.
AU274864B2 (en) Improvements in or relating to electrical devices comprising an amplifier anda supply battery, more particularly hearing-aids
DK113974B (da) Slåningsmaskine med akkumulator og med styrbar krafttilførsel.
CH389547A (de) Zuführvorrichtung an Fliessdruckpressen
DK105815C (da) Negativ elektrode til anvendelse i en alkalisk akkumulator.
AU2871163A (en) Improvements in or relating to electrical devices comprising an amplifier anda supply battery, more particularly hearing-aids
FR1429267A (fr) Perfectionnements aux méthodes et aux dispositifs d'usinage électrochimique
GR21853B (el) Ρευματοδοτης τριπολικος χωνευτος και εξωτερικος.
FR1387261A (fr) Microphone de contact et, notamment, laryngophone
FR1283642A (fr) Perfectionnement aux résistances électriques
FR1203517A (fr) Perfectionnements apportés aux dispositifs de coupure, électriques
GR23719B (el) Φορητη και ολοσωμος (ενιαια) συσκευη θερμανσεως.
ES92491Y (es) Humidificador y acumulador de frío
FR1302463A (fr) Perfectionnement aux paliers aérodynamiques