DE20110589U1 - Optical noise reduction for microphones - Google Patents

Optical noise reduction for microphones

Info

Publication number
DE20110589U1
DE20110589U1 DE20110589U DE20110589U DE20110589U1 DE 20110589 U1 DE20110589 U1 DE 20110589U1 DE 20110589 U DE20110589 U DE 20110589U DE 20110589 U DE20110589 U DE 20110589U DE 20110589 U1 DE20110589 U1 DE 20110589U1
Authority
DE
Germany
Prior art keywords
microphone
microphones
noise reduction
optical noise
electrical signal
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
DE20110589U
Other languages
German (de)
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.)
JOOST AXEL
Original Assignee
JOOST AXEL
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 JOOST AXEL filed Critical JOOST AXEL
Priority to DE20110589U priority Critical patent/DE20110589U1/en
Publication of DE20110589U1 publication Critical patent/DE20110589U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (1)

Eine elektronische Baugruppe, dadurch gekennzeichnet, daß sie zwischen einem Mikrofon und dem Anschlußkabel gesteckt wird oder in das Mikrofon eingebaut werden kann. Diese Baugruppe erkennt durch optischen Sensor, wenn sich jemand in unmittelbarer Nähe vor dem Mikrofon befindet und schaltet daraufhin das elektrische Signal vom Mikrofon durch. Diese Schaltung schaltet das elektrische Signal vom Mikrofon wieder ab, wenn der Abstand zwischen dem Mikrofon und der Signalquelle über einen bestimmten Wert hinaus ansteigt.An electronic assembly, characterized in that it is inserted between a microphone and the connecting cable or can be built into the microphone. This module uses an optical sensor to detect when someone is in the immediate vicinity of the microphone and then switches on the electrical signal from the microphone. This circuit switches off the electrical signal from the microphone when the distance between the microphone and the signal source increases beyond a certain value.
DE20110589U 2001-04-11 2001-06-26 Optical noise reduction for microphones Expired - Lifetime DE20110589U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20110589U DE20110589U1 (en) 2001-04-11 2001-06-26 Optical noise reduction for microphones

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20106318 2001-04-11
DE20110589U DE20110589U1 (en) 2001-04-11 2001-06-26 Optical noise reduction for microphones

Publications (1)

Publication Number Publication Date
DE20110589U1 true DE20110589U1 (en) 2001-09-20

Family

ID=7955617

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20110589U Expired - Lifetime DE20110589U1 (en) 2001-04-11 2001-06-26 Optical noise reduction for microphones

Country Status (1)

Country Link
DE (1) DE20110589U1 (en)

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Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 20011025

R150 Term of protection extended to 6 years

Effective date: 20050118

R157 Lapse of ip right after 6 years

Effective date: 20080101