DE3414331C2 - - Google Patents

Info

Publication number
DE3414331C2
DE3414331C2 DE19843414331 DE3414331A DE3414331C2 DE 3414331 C2 DE3414331 C2 DE 3414331C2 DE 19843414331 DE19843414331 DE 19843414331 DE 3414331 A DE3414331 A DE 3414331A DE 3414331 C2 DE3414331 C2 DE 3414331C2
Authority
DE
Germany
Prior art keywords
hearing
resistor
button
dynamic
circuit arrangement
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.)
Expired
Application number
DE19843414331
Other languages
German (de)
English (en)
Other versions
DE3414331A1 (de
Inventor
Heinrich 8034 Germering De Bayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
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
Application filed by Siemens AG filed Critical Siemens AG
Priority to DE19843414331 priority Critical patent/DE3414331A1/de
Publication of DE3414331A1 publication Critical patent/DE3414331A1/de
Application granted granted Critical
Publication of DE3414331C2 publication Critical patent/DE3414331C2/de
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/60Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502Customised settings for obtaining desired overall acoustical characteristics using analog signal processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
DE19843414331 1984-04-16 1984-04-16 Schaltungsanordnung zur erhoehung der lautstaerke bei dynamischen wandlern Granted DE3414331A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843414331 DE3414331A1 (de) 1984-04-16 1984-04-16 Schaltungsanordnung zur erhoehung der lautstaerke bei dynamischen wandlern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843414331 DE3414331A1 (de) 1984-04-16 1984-04-16 Schaltungsanordnung zur erhoehung der lautstaerke bei dynamischen wandlern

Publications (2)

Publication Number Publication Date
DE3414331A1 DE3414331A1 (de) 1985-10-17
DE3414331C2 true DE3414331C2 (fr) 1987-11-19

Family

ID=6233727

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843414331 Granted DE3414331A1 (de) 1984-04-16 1984-04-16 Schaltungsanordnung zur erhoehung der lautstaerke bei dynamischen wandlern

Country Status (1)

Country Link
DE (1) DE3414331A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4013420A1 (de) * 1989-04-27 1990-10-31 Ricoh Kk Netzsteuereinrichtung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9210581U1 (fr) * 1992-08-07 1993-01-21 Siemens Ag, 8000 Muenchen, De
DE10309125B4 (de) * 2003-02-28 2014-01-02 Endress + Hauser Gmbh + Co. Kg Vorrichtung und Verfahren zur Spannungsstabilisierung für einen Zweidrahtfeldbus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544027A (en) * 1948-07-16 1951-03-06 Raymond E King Hearing aid attachment for use on french type telephones
AT320750B (de) * 1971-12-09 1975-02-25 Viennatone Hoergeraete Auf einen Telephonhöher aufsteckbarer Telephonadapter für Schwerhörige

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4013420A1 (de) * 1989-04-27 1990-10-31 Ricoh Kk Netzsteuereinrichtung

Also Published As

Publication number Publication date
DE3414331A1 (de) 1985-10-17

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee