NL47966C - - Google Patents

Info

Publication number
NL47966C
NL47966C NL47966DA NL47966C NL 47966 C NL47966 C NL 47966C NL 47966D A NL47966D A NL 47966DA NL 47966 C NL47966 C NL 47966C
Authority
NL
Netherlands
Application number
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.)
Publication of NL47966C publication Critical patent/NL47966C/xx

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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
NL47966D 1936-09-09 NL47966C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US99910A US2131593A (en) 1936-09-09 1936-09-09 Acoustic device

Publications (1)

Publication Number Publication Date
NL47966C true NL47966C (en:Method)

Family

ID=22277206

Family Applications (1)

Application Number Title Priority Date Filing Date
NL47966D NL47966C (en:Method) 1936-09-09

Country Status (5)

Country Link
US (1) US2131593A (en:Method)
CH (1) CH201674A (en:Method)
FR (1) FR822144A (en:Method)
GB (1) GB473878A (en:Method)
NL (1) NL47966C (en:Method)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB656723A (en) * 1948-01-10 1951-08-29 Edward Shipton Improvements in or relating to telephone instruments
US4529059A (en) * 1982-12-27 1985-07-16 Federal Signal Corporation Vibrating diaphragm type audible device with acoustically improved grille and method
USD309266S (en) 1987-01-05 1990-07-17 Seikosha Co., Ltd. Clock
USD438860S1 (en) 2000-03-16 2001-03-13 Resistance Technology, Inc. Miniature microphone housing and switch
US7697698B2 (en) * 2003-08-22 2010-04-13 William Sumner Brown Sound-based vehicle safety system
USD599786S1 (en) * 2008-09-29 2009-09-08 Baltic Latvian Universal Electronics, Llc In-line signal processor
USD704168S1 (en) * 2012-11-15 2014-05-06 Michael James Godfrey Classic microphone
USD699227S1 (en) * 2013-01-22 2014-02-11 Peter J Erickson Decorative microphone
USD760704S1 (en) * 2015-01-05 2016-07-05 Gibson Brands, Inc. Microphone
USD760204S1 (en) * 2015-01-05 2016-06-28 Gibson Brands, Inc. Microphone
USD760203S1 (en) * 2015-01-05 2016-06-28 Gibson Brands, Inc. Microphone
USD808937S1 (en) * 2016-12-30 2018-01-30 Liangyi Zheng Microphone
USD840476S1 (en) * 2017-07-10 2019-02-12 MerchSource, LLC Kid's microphone
JP1666937S (en:Method) * 2019-09-05 2020-08-31
USD899407S1 (en) * 2020-03-21 2020-10-20 Shenzhen Xunweijia Technology Development Co., Ltd. Microphone
USD918876S1 (en) * 2020-05-19 2021-05-11 Shenzhen Xunweijia Technology Development Co., Shenzhen Microphone

Also Published As

Publication number Publication date
US2131593A (en) 1938-09-27
FR822144A (fr) 1937-12-21
GB473878A (en) 1937-10-21
CH201674A (fr) 1938-12-15

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