DE4008595C2 - - Google Patents

Info

Publication number
DE4008595C2
DE4008595C2 DE19904008595 DE4008595A DE4008595C2 DE 4008595 C2 DE4008595 C2 DE 4008595C2 DE 19904008595 DE19904008595 DE 19904008595 DE 4008595 A DE4008595 A DE 4008595A DE 4008595 C2 DE4008595 C2 DE 4008595C2
Authority
DE
Germany
Prior art keywords
sound
microphone
signal
arrangement according
recorders
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 - Lifetime
Application number
DE19904008595
Other languages
German (de)
English (en)
Other versions
DE4008595A1 (de
Inventor
Georg 7900 Ulm De Ziegelbauer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19904008595 priority Critical patent/DE4008595A1/de
Publication of DE4008595A1 publication Critical patent/DE4008595A1/de
Application granted granted Critical
Publication of DE4008595C2 publication Critical patent/DE4008595C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
    • 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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE19904008595 1990-03-17 1990-03-17 Mikrofonanordnung, insbesondere zur sprachaufnahme Granted DE4008595A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19904008595 DE4008595A1 (de) 1990-03-17 1990-03-17 Mikrofonanordnung, insbesondere zur sprachaufnahme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904008595 DE4008595A1 (de) 1990-03-17 1990-03-17 Mikrofonanordnung, insbesondere zur sprachaufnahme

Publications (2)

Publication Number Publication Date
DE4008595A1 DE4008595A1 (de) 1991-09-19
DE4008595C2 true DE4008595C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-02-06

Family

ID=6402435

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904008595 Granted DE4008595A1 (de) 1990-03-17 1990-03-17 Mikrofonanordnung, insbesondere zur sprachaufnahme

Country Status (1)

Country Link
DE (1) DE4008595A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6061456A (en) 1992-10-29 2000-05-09 Andrea Electronics Corporation Noise cancellation apparatus
US6363345B1 (en) 1999-02-18 2002-03-26 Andrea Electronics Corporation System, method and apparatus for cancelling noise
US6594367B1 (en) 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5673325A (en) * 1992-10-29 1997-09-30 Andrea Electronics Corporation Noise cancellation apparatus
US5381473A (en) * 1992-10-29 1995-01-10 Andrea Electronics Corporation Noise cancellation apparatus
NL1001598C2 (en) * 1995-11-08 1996-08-23 Henricus Johannes Wilhelmus Sc Microphone assembly with main and secondary microphones - has series anti-phase connected microphones wiring connections with coaxial cable screens connected to common point to eliminate acoustic feedback problems
DE19926552B4 (de) * 1999-06-11 2013-10-10 Sennheiser Electronic Gmbh & Co. Kg Kopfhörer mit Mikrofon
GB0609416D0 (en) * 2006-05-12 2006-06-21 Audiogravity Holdings Ltd Wind noise rejection apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412097A (en) * 1980-01-28 1983-10-25 Victor Company Of Japan, Ltd. Variable-directivity microphone device
DE3627002A1 (de) * 1986-08-08 1988-02-18 Philips Patentverwaltung Verfahren und schaltungsanordnung zur akustischen kompensation des umgebungsgeraeusches bei kopfhoererempfang

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6061456A (en) 1992-10-29 2000-05-09 Andrea Electronics Corporation Noise cancellation apparatus
US6363345B1 (en) 1999-02-18 2002-03-26 Andrea Electronics Corporation System, method and apparatus for cancelling noise
US6594367B1 (en) 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation

Also Published As

Publication number Publication date
DE4008595A1 (de) 1991-09-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee