DE2451590A1 - Einrichtung zum lesen eines schallbildes - Google Patents

Einrichtung zum lesen eines schallbildes

Info

Publication number
DE2451590A1
DE2451590A1 DE2451590A DE2451590A DE2451590A1 DE 2451590 A1 DE2451590 A1 DE 2451590A1 DE 2451590 A DE2451590 A DE 2451590A DE 2451590 A DE2451590 A DE 2451590A DE 2451590 A1 DE2451590 A1 DE 2451590A1
Authority
DE
Germany
Prior art keywords
reading
sound image
sound
image
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.)
Granted
Application number
DE2451590A
Other languages
English (en)
Other versions
DE2451590C2 (de
Inventor
Jean Desbois
Pierre Tournois
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of DE2451590A1 publication Critical patent/DE2451590A1/de
Application granted granted Critical
Publication of DE2451590C2 publication Critical patent/DE2451590C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/36—Devices for manipulating acoustic surface waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE2451590A 1973-10-31 1974-10-30 Einrichtung zum Lesen eines Schallbildes Expired DE2451590C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7338912A FR2250102B1 (de) 1973-10-31 1973-10-31

Publications (2)

Publication Number Publication Date
DE2451590A1 true DE2451590A1 (de) 1975-05-07
DE2451590C2 DE2451590C2 (de) 1982-10-28

Family

ID=9127201

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2451590A Expired DE2451590C2 (de) 1973-10-31 1974-10-30 Einrichtung zum Lesen eines Schallbildes

Country Status (5)

Country Link
US (1) US3962673A (de)
JP (1) JPS5075711A (de)
DE (1) DE2451590C2 (de)
FR (1) FR2250102B1 (de)
GB (1) GB1490739A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399387A (en) * 1977-11-21 1983-08-16 Tdk Electronics Co., Ltd. Ultrasonic wave transducer
JPS5822915B2 (ja) * 1978-08-21 1983-05-12 ティーディーケイ株式会社 超音波トランスデュ−サ
JPS56100510A (en) * 1980-01-16 1981-08-12 Clarion Co Ltd Elastic surface wave device
US4882715A (en) * 1987-03-16 1989-11-21 Canon Kabushiki Kaisha Surface acoustic wave convolver with dielectric film of high non-linear effect
US5155406A (en) * 1990-02-01 1992-10-13 Motorola, Inc. Multiple nearest neighbor filter bank
US5359250A (en) * 1992-03-04 1994-10-25 The Whitaker Corporation Bulk wave transponder
FR2739232B1 (fr) * 1995-09-26 1997-10-24 Thomson Csf Filtre a ondes acoustiques de surface utilisant le couplage de trois voies acoustiques
FR2751095B1 (fr) * 1996-07-09 1998-10-30 Thomson Csf Dispositif de controle d'impulsions lumineuses par un dispositif programmable acousto-optique
FR2774826B1 (fr) 1998-02-06 2000-05-05 Thomson Csf Filtre a resonateurs a ondes acoustiques de surface
CN106841328B (zh) * 2017-01-17 2017-09-26 华中科技大学 一种共面电容式聚合物分子取向测量装置及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090030A (en) * 1957-09-09 1963-05-14 Honeywell Regulator Co Variable focus transducer
US3731214A (en) * 1971-04-16 1973-05-01 Massachusetts Inst Technology Generation of weakly damped electron plasma surface waves on a semiconductor: amplification and coupling of acoustic waves on an adjacent piezoelectric
US3794964A (en) * 1971-05-30 1974-02-26 Hitachi Ltd Ultrasonic imaging device
US3875550A (en) * 1973-07-16 1975-04-01 Univ Leland Stanford Junior Electronically focused acoustic imaging system and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT *

Also Published As

Publication number Publication date
DE2451590C2 (de) 1982-10-28
FR2250102B1 (de) 1976-10-01
GB1490739A (en) 1977-11-02
JPS5075711A (de) 1975-06-21
FR2250102A1 (de) 1975-05-30
US3962673A (en) 1976-06-08

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: H04B 11/00

D2 Grant after examination
8339 Ceased/non-payment of the annual fee