JPS5438144A - Acoustic holography recording method - Google Patents

Acoustic holography recording method

Info

Publication number
JPS5438144A
JPS5438144A JP10459277A JP10459277A JPS5438144A JP S5438144 A JPS5438144 A JP S5438144A JP 10459277 A JP10459277 A JP 10459277A JP 10459277 A JP10459277 A JP 10459277A JP S5438144 A JPS5438144 A JP S5438144A
Authority
JP
Japan
Prior art keywords
recording method
acoustic holography
test specimen
holography recording
microphone
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.)
Pending
Application number
JP10459277A
Other languages
Japanese (ja)
Inventor
Yutaro Oka
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP10459277A priority Critical patent/JPS5438144A/en
Publication of JPS5438144A publication Critical patent/JPS5438144A/en
Pending legal-status Critical Current

Links

Landscapes

  • Holo Graphy (AREA)

Abstract

PURPOSE: To let sound pressure distribution be readily displayed in test specimen by separately providing a speaker near the test specimen emitting noise, collecting thesounds of both with a moving microphone and a stationary microphone, adding and combining the two sets of hologram information with a calculator and performing reproduction operation.
COPYRIGHT: (C)1979,JPO&Japio
JP10459277A 1977-08-31 1977-08-31 Acoustic holography recording method Pending JPS5438144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10459277A JPS5438144A (en) 1977-08-31 1977-08-31 Acoustic holography recording method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10459277A JPS5438144A (en) 1977-08-31 1977-08-31 Acoustic holography recording method

Publications (1)

Publication Number Publication Date
JPS5438144A true JPS5438144A (en) 1979-03-22

Family

ID=14384691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10459277A Pending JPS5438144A (en) 1977-08-31 1977-08-31 Acoustic holography recording method

Country Status (1)

Country Link
JP (1) JPS5438144A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62153885A (en) * 1985-12-27 1987-07-08 Mitsubishi Electric Corp Image reproduction method by ultrasonic wave or electromagnetic wave holography
JPS62153886A (en) * 1985-12-27 1987-07-08 Mitsubishi Electric Corp Image reproducing device by ultrasonic wave or electromagnetic wave holography
US7661952B2 (en) 2004-06-10 2010-02-16 Toyota Jidosha Kabushiki Kaisha Hot runner device and injection molding machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62153885A (en) * 1985-12-27 1987-07-08 Mitsubishi Electric Corp Image reproduction method by ultrasonic wave or electromagnetic wave holography
JPS62153886A (en) * 1985-12-27 1987-07-08 Mitsubishi Electric Corp Image reproducing device by ultrasonic wave or electromagnetic wave holography
JPH0458632B2 (en) * 1985-12-27 1992-09-18 Mitsubishi Electric Corp
JPH0561614B2 (en) * 1985-12-27 1993-09-06 Mitsubishi Electric Corp
US7661952B2 (en) 2004-06-10 2010-02-16 Toyota Jidosha Kabushiki Kaisha Hot runner device and injection molding machine

Similar Documents

Publication Publication Date Title
Latham The signal-to-noise ratio for speech intelligibility—An auditorium acoustics design index
JPS5230417A (en) Device for combining musical sound waves of electronic musical instrum ent
JPS5438144A (en) Acoustic holography recording method
JPS543561A (en) Production of hologram wave front transducers
DE69123109D1 (en) Process for the multipurpose playback use of a video tape or similar means for the reproduction of instrumental music
JPS5417827A (en) Headphone device
JPS522502A (en) Method of collecting sound
JPS5658108A (en) Magnetic tape device
ATE150566T1 (en) TEACHING AID
GB913487A (en) Improvements in or relating to a method of and apparatus for magnetically recording and/or playing back sound
JPS51138413A (en) Magnetic sheet recorder/reproducer
JPS51134105A (en) Recorder, reproducing equipment and related recording media of multi- dimensional acoustic signals
JPS5324802A (en) Multi-channel stereophonic reproducing system
JPS51118411A (en) Recording and reproducing device
HARWOOD et al. Acoustic scaling: Instrumentation(Instrumentation and methods used with acoustic studio scale model)
JPS53116101A (en) Acoustic reproducer
Worster The life and works of Cecil Effinger: Composer and inventor.
JPS53116102A (en) Acoustic reproducer
Ghişa et al. Informational synergy features in live broadcasting
JPS5560397A (en) Method and device for complete stereophonic recording and reproduction by regularly-triangular arrangement
ES8302338A1 (en) Teaching system utilizing sound recording and reproduction
JPS5216220A (en) Recording material
JPS5211003A (en) Record/playback system
JPS51123108A (en) A cantilever device
JPS53100211A (en) Sheet type recorder-reproducer