CH505526A - Hörgerät - Google Patents

Hörgerät

Info

Publication number
CH505526A
CH505526A CH622670A CH622670A CH505526A CH 505526 A CH505526 A CH 505526A CH 622670 A CH622670 A CH 622670A CH 622670 A CH622670 A CH 622670A CH 505526 A CH505526 A CH 505526A
Authority
CH
Switzerland
Prior art keywords
hearing aid
hearing
aid
Prior art date
Application number
CH622670A
Other languages
English (en)
Inventor
Ivar Dipl Ing Veit
Original Assignee
Siemens Ag
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
Priority claimed from DE19691927848 external-priority patent/DE1927848C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of CH505526A publication Critical patent/CH505526A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
CH622670A 1969-05-31 1970-04-23 Hörgerät CH505526A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691927848 DE1927848C3 (de) 1969-05-31 Hörgerät

Publications (1)

Publication Number Publication Date
CH505526A true CH505526A (de) 1971-03-31

Family

ID=5735760

Family Applications (1)

Application Number Title Priority Date Filing Date
CH622670A CH505526A (de) 1969-05-31 1970-04-23 Hörgerät

Country Status (5)

Country Link
AT (1) AT302432B (de)
CH (1) CH505526A (de)
DK (1) DK124579B (de)
GB (1) GB1316631A (de)
NL (1) NL7005570A (de)

Also Published As

Publication number Publication date
DE1927848B2 (de) 1975-06-19
GB1316631A (en) 1973-05-09
DK124579B (da) 1972-10-30
AT302432B (de) 1972-10-10
NL7005570A (de) 1970-12-02
DE1927848A1 (de) 1970-12-03

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Legal Events

Date Code Title Description
PL Patent ceased