SE318611B - - Google Patents

Info

Publication number
SE318611B
SE318611B SE4135/67A SE413567A SE318611B SE 318611 B SE318611 B SE 318611B SE 4135/67 A SE4135/67 A SE 4135/67A SE 413567 A SE413567 A SE 413567A SE 318611 B SE318611 B SE 318611B
Authority
SE
Sweden
Prior art keywords
sleeve
casing
capsule
apertures
microphone
Prior art date
Application number
SE4135/67A
Other languages
English (en)
Inventor
Liempd A Van
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE318611B publication Critical patent/SE318611B/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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • 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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Telephone Set Structure (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
SE4135/67A 1966-03-26 1967-03-23 SE318611B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6604014A NL6604014A (xx) 1966-03-26 1966-03-26

Publications (1)

Publication Number Publication Date
SE318611B true SE318611B (xx) 1969-12-15

Family

ID=19796103

Family Applications (1)

Application Number Title Priority Date Filing Date
SE4135/67A SE318611B (xx) 1966-03-26 1967-03-23

Country Status (9)

Country Link
US (1) US3527902A (xx)
AT (1) AT276515B (xx)
BE (1) BE696120A (xx)
CH (1) CH454227A (xx)
DE (1) DE1512734B2 (xx)
ES (1) ES337233A1 (xx)
GB (1) GB1133049A (xx)
NL (1) NL6604014A (xx)
SE (1) SE318611B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770911A (en) * 1972-07-21 1973-11-06 Industrial Research Prod Inc Hearing aid system
US3798390A (en) * 1972-07-24 1974-03-19 Gould Inc Hearing aid with valved dual ports
JPS5910864Y2 (ja) * 1980-06-16 1984-04-04 本田技研工業株式会社 マイクロホン保持装置
USD288512S (en) * 1985-04-24 1987-03-03 Thermo-Serv, Inc. Wine glass
US5410608A (en) * 1992-09-29 1995-04-25 Unex Corporation Microphone
US8003878B2 (en) * 2008-08-05 2011-08-23 Gaynier David A Electroacoustic transducer system
US9116178B1 (en) * 2012-10-11 2015-08-25 Reliance Controls Corporation Circuit tester with variable volume audible voltage indication
USD868042S1 (en) * 2017-04-06 2019-11-26 Bing Yang Karaoke microphone
USD869445S1 (en) * 2019-05-22 2019-12-10 Shenzhen Qianhai Patuoxun Network And Technology Co., Ltd Earphone
USD883260S1 (en) * 2019-12-25 2020-05-05 Shenzhen Qianhai Patuoxun Network And Technology Co., Ltd Earphone
USD893462S1 (en) * 2020-03-05 2020-08-18 Shenzhen Humboldt Technology Co., Ltd Headphone

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB956448A (en) * 1959-06-24 1964-04-29 Philips Electrical Ind Ltd Improvements in or relating to electrodynamic microphones

Also Published As

Publication number Publication date
CH454227A (de) 1968-04-15
AT276515B (de) 1969-11-25
NL6604014A (xx) 1967-09-27
GB1133049A (en) 1968-11-06
US3527902A (en) 1970-09-08
BE696120A (xx) 1967-09-25
ES337233A1 (es) 1968-02-16
DE1512734A1 (de) 1969-05-22
DE1512734B2 (de) 1976-04-22

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