TW367696B - Infrared wireless microphone - Google Patents

Infrared wireless microphone

Info

Publication number
TW367696B
TW367696B TW084107208A TW84107208A TW367696B TW 367696 B TW367696 B TW 367696B TW 084107208 A TW084107208 A TW 084107208A TW 84107208 A TW84107208 A TW 84107208A TW 367696 B TW367696 B TW 367696B
Authority
TW
Taiwan
Prior art keywords
infrared ray
wireless microphone
infrared wireless
wide angle
luminous diode
Prior art date
Application number
TW084107208A
Other languages
English (en)
Inventor
Shiro Shindo
Tomomitsu Takasugi
Terou Taira
Masaaki Tokimi
Original Assignee
Nikkodo Co Ltd
Unitron Corp
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 Nikkodo Co Ltd, Unitron Corp filed Critical Nikkodo Co Ltd
Application granted granted Critical
Publication of TW367696B publication Critical patent/TW367696B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Transmitters (AREA)
TW084107208A 1994-11-30 1995-07-12 Infrared wireless microphone TW367696B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6321710A JP2863990B2 (ja) 1994-11-30 1994-11-30 赤外線ワイヤレスマイク

Publications (1)

Publication Number Publication Date
TW367696B true TW367696B (en) 1999-08-21

Family

ID=18135575

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084107208A TW367696B (en) 1994-11-30 1995-07-12 Infrared wireless microphone

Country Status (4)

Country Link
JP (1) JP2863990B2 (zh)
CN (1) CN1124002A (zh)
GB (1) GB2295739A (zh)
TW (1) TW367696B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007019693A (ja) * 2005-07-06 2007-01-25 Audio Technica Corp 面上収音式マイクロホン
JP4547457B1 (ja) * 2009-04-08 2010-09-22 パナソニック株式会社 ワイヤレスマイクロフォン
CN201696936U (zh) * 2010-06-13 2011-01-05 沈锦祥 Led塔形发光模组
WO2018157347A1 (zh) * 2017-03-02 2018-09-07 深圳市台电实业有限公司 红外无线话筒

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7810158L (sv) * 1978-09-27 1980-03-28 Standard Radio & Telefon Infrarodstralningskommunikationssystem
WO1981001491A1 (en) * 1979-11-22 1981-05-28 Siemens Ag Subscriber telephone station
SE8903572L (sv) * 1989-10-26 1991-04-27 Goesta Rosen Traadloest informationsoeverfoeringssystem
JP3208800B2 (ja) * 1991-08-09 2001-09-17 ソニー株式会社 マイクロフォン装置及びワイヤレスマイクロフォン装置
US5359448A (en) * 1993-02-23 1994-10-25 Assistive Listening Device Systems, Inc. Infrared signal transmitter

Also Published As

Publication number Publication date
JP2863990B2 (ja) 1999-03-03
CN1124002A (zh) 1996-06-05
GB2295739A (en) 1996-06-05
GB9513858D0 (en) 1995-09-06
JPH08163039A (ja) 1996-06-21

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