GB191215915A - A Method of Enabling Speech-transmitting Instruments comprising Microphones to be Worked when Connected in Parallel. - Google Patents

A Method of Enabling Speech-transmitting Instruments comprising Microphones to be Worked when Connected in Parallel.

Info

Publication number
GB191215915A
GB191215915A GB191215915DA GB191215915A GB 191215915 A GB191215915 A GB 191215915A GB 191215915D A GB191215915D A GB 191215915DA GB 191215915 A GB191215915 A GB 191215915A
Authority
GB
United Kingdom
Prior art keywords
microphones
worked
series
parallel
inductance
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
Other languages
English (en)
Inventor
Rudolf Goldschmidt
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
Application granted granted Critical
Publication of GB191215915A publication Critical patent/GB191215915A/en
Expired 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
    • 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

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Filters And Equalizers (AREA)
GB191215915D 1912-07-08 1912-07-08 A Method of Enabling Speech-transmitting Instruments comprising Microphones to be Worked when Connected in Parallel. Expired GB191215915A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191215915T 1912-07-08

Publications (1)

Publication Number Publication Date
GB191215915A true GB191215915A (en) 1913-02-13

Family

ID=32573058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191215915D Expired GB191215915A (en) 1912-07-08 1912-07-08 A Method of Enabling Speech-transmitting Instruments comprising Microphones to be Worked when Connected in Parallel.

Country Status (3)

Country Link
DE (1) DE257761C (enrdf_load_stackoverflow)
FR (1) FR445705A (enrdf_load_stackoverflow)
GB (1) GB191215915A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR445705A (fr) 1912-11-18
DE257761C (enrdf_load_stackoverflow)

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