CA2099208A1 - Hearing aid having an integrated circuit - Google Patents

Hearing aid having an integrated circuit

Info

Publication number
CA2099208A1
CA2099208A1 CA 2099208 CA2099208A CA2099208A1 CA 2099208 A1 CA2099208 A1 CA 2099208A1 CA 2099208 CA2099208 CA 2099208 CA 2099208 A CA2099208 A CA 2099208A CA 2099208 A1 CA2099208 A1 CA 2099208A1
Authority
CA
Canada
Prior art keywords
hearing aid
integrated
capacitance
partial capacitors
switches
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.)
Abandoned
Application number
CA 2099208
Other languages
English (en)
French (fr)
Inventor
Raimund Martin
Gerhard Pfannenmuller
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.)
Sivantos GmbH
Original Assignee
Siemens Audiologische Technik GmbH
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 Audiologische Technik GmbH filed Critical Siemens Audiologische Technik GmbH
Publication of CA2099208A1 publication Critical patent/CA2099208A1/en
Abandoned legal-status Critical Current

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
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0231—Astable circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/066—Generating pulses having essentially a finite slope or stepped portions having triangular shape using a Miller-integrator

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Peptides Or Proteins (AREA)
  • Semiconductor Integrated Circuits (AREA)
CA 2099208 1992-06-29 1993-06-25 Hearing aid having an integrated circuit Abandoned CA2099208A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4221304.5 1992-06-29
DE19924221304 DE4221304C1 (https=) 1992-06-29 1992-06-29

Publications (1)

Publication Number Publication Date
CA2099208A1 true CA2099208A1 (en) 1993-12-30

Family

ID=6462076

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2099208 Abandoned CA2099208A1 (en) 1992-06-29 1993-06-25 Hearing aid having an integrated circuit

Country Status (3)

Country Link
EP (1) EP0578020A3 (https=)
CA (1) CA2099208A1 (https=)
DE (1) DE4221304C1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2351619A (en) * 1999-07-01 2001-01-03 Ericsson Telefon Ab L M A frequency trimmable oscillator with insensitivity to power supply variations and parasitic capacitance
US7058191B2 (en) 2000-10-04 2006-06-06 Oticon A/S Hearing aid with a radio frequency receiver
US6975739B2 (en) * 2000-10-04 2005-12-13 Oticon A/S Hearing aid with a radio frequency receiver
DE10212338A1 (de) * 2002-03-20 2003-10-02 Volkswagen Ag Messeinrichtung für mehrere nichtelektrische Messgrößen

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1288134A (fr) * 1961-02-01 1962-03-24 Cie Ind Des Telephones Synthétiseur de fréquence à commande électronique d'exploration de fréquence
JPS561602A (en) * 1979-06-18 1981-01-09 Sharp Corp Programmable oscillating circuit
DE3205686A1 (de) * 1982-02-17 1983-08-25 Robert Bosch Gmbh, 7000 Stuttgart Hoergeraet
CH658354A5 (de) * 1983-01-11 1986-10-31 Gfeller Ag Hoergeraet mit einstellbaren charakteristischen werten.
US4689819B1 (en) * 1983-12-08 1996-08-13 Knowles Electronics Inc Class D hearing aid amplifier
JPS61113303A (ja) * 1984-11-07 1986-05-31 Nec Ic Microcomput Syst Ltd 半導体集積回路
JPS62200804A (ja) * 1986-02-27 1987-09-04 Ricoh Co Ltd プログラム可能なアナログ量素子をもつ半導体集積回路装置
US4723114A (en) * 1986-07-07 1988-02-02 Texas Instruments Incorporated Method and circuit for trimming the frequency of an oscillator
JPS63116505A (ja) * 1986-11-04 1988-05-20 Seiko Epson Corp Ｃｒ発振器
DE3834962A1 (de) * 1988-10-13 1990-04-19 Siemens Ag Digitales programmiergeraet fuer hoergeraete
DE58908421D1 (de) * 1989-11-21 1994-10-27 Siemens Ag Mikrocomputer mit einem intergrierten RC-Oszillator mit programmierbarer Frequenz.
JPH03196706A (ja) * 1989-12-26 1991-08-28 Matsushita Electric Ind Co Ltd 発振回路

Also Published As

Publication number Publication date
EP0578020A3 (en) 1995-09-27
EP0578020A2 (de) 1994-01-12
DE4221304C1 (https=) 1993-09-16

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Legal Events

Date Code Title Description
FZDE Dead