HK46181A - Improvements in or relating to optical transducers - Google Patents

Improvements in or relating to optical transducers

Info

Publication number
HK46181A
HK46181A HK46181A HK46181A HK46181A HK 46181 A HK46181 A HK 46181A HK 46181 A HK46181 A HK 46181A HK 46181 A HK46181 A HK 46181A HK 46181 A HK46181 A HK 46181A
Authority
HK
Hong Kong
Prior art keywords
relating
optical transducers
transducers
optical
Prior art date
Application number
HK46181A
Inventor
A E Brewster
Original Assignee
Standard Telephones Cables Ltd
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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of HK46181A publication Critical patent/HK46181A/en

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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
HK46181A 1977-09-07 1981-09-17 Improvements in or relating to optical transducers HK46181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3728677A GB1584048A (en) 1977-09-07 1977-09-07 Optical transducers

Publications (1)

Publication Number Publication Date
HK46181A true HK46181A (en) 1981-09-25

Family

ID=10395248

Family Applications (1)

Application Number Title Priority Date Filing Date
HK46181A HK46181A (en) 1977-09-07 1981-09-17 Improvements in or relating to optical transducers

Country Status (2)

Country Link
GB (1) GB1584048A (en)
HK (1) HK46181A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161341A (en) * 1984-05-31 1986-01-08 Christopher Buckingham Laser microphone
US4926696A (en) * 1986-11-19 1990-05-22 Massachusetts Institute Of Technology Optical micropressure transducer
US4942767A (en) * 1986-11-19 1990-07-24 Massachusetts Institute Of Technology Pressure transducer apparatus
US5052228A (en) * 1986-11-19 1991-10-01 Massachusetts Institute Of Technology Shear stress measuring device
JP3828755B2 (en) * 2001-02-20 2006-10-04 株式会社ケンウッド Displacement light quantity converter
GB2522830A (en) * 2013-04-28 2015-08-12 Paul Alexander Hanton Hypersonic, sound cancelling, laser accentuated application for tablet computer, television or other personal computer device

Also Published As

Publication number Publication date
GB1584048A (en) 1981-02-04

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