FR2335904B1 - - Google Patents

Info

Publication number
FR2335904B1
FR2335904B1 FR7637689A FR7637689A FR2335904B1 FR 2335904 B1 FR2335904 B1 FR 2335904B1 FR 7637689 A FR7637689 A FR 7637689A FR 7637689 A FR7637689 A FR 7637689A FR 2335904 B1 FR2335904 B1 FR 2335904B1
Authority
FR
France
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.)
Expired
Application number
FR7637689A
Other versions
FR2335904A1 (fr
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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
Priority claimed from JP50149809A external-priority patent/JPS5273019A/ja
Priority claimed from JP7807576A external-priority patent/JPS533813A/ja
Priority claimed from JP51078069A external-priority patent/JPS5811154B2/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of FR2335904A1 publication Critical patent/FR2335904A1/fr
Application granted granted Critical
Publication of FR2335904B1 publication Critical patent/FR2335904B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
FR7637689A 1975-12-15 1976-12-14 Cornet pour la transmission d'ondes ultrasonores Granted FR2335904A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP50149809A JPS5273019A (en) 1975-12-15 1975-12-15 Transmitting and receiving device forultrasonic pulse switch
JP7807576A JPS533813A (en) 1976-06-30 1976-06-30 Ultrasonic horn
JP51078069A JPS5811154B2 (ja) 1976-06-30 1976-06-30 超音波ホ−ン

Publications (2)

Publication Number Publication Date
FR2335904A1 FR2335904A1 (fr) 1977-07-15
FR2335904B1 true FR2335904B1 (fr) 1980-03-07

Family

ID=27302603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7637689A Granted FR2335904A1 (fr) 1975-12-15 1976-12-14 Cornet pour la transmission d'ondes ultrasonores

Country Status (4)

Country Link
US (1) US4104610A (fr)
DE (1) DE2655686C3 (fr)
FR (1) FR2335904A1 (fr)
GB (1) GB1565258A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5743700U (fr) * 1980-08-25 1982-03-10
JPS5925498A (ja) * 1982-08-03 1984-02-09 Nippon Soken Inc 超音波送受波器
US4887246A (en) * 1983-09-15 1989-12-12 Ultrasonic Arrays, Inc. Ultrasonic apparatus, system and method
US4713799A (en) * 1984-10-15 1987-12-15 Deere & Company Ultrasonic horn with sidelobe suppressing centerpiece
US4998091A (en) * 1988-08-01 1991-03-05 The Game Tracker, Inc. Animal warning alarm
DE3939387A1 (de) * 1989-11-29 1991-06-06 Swf Auto Electric Gmbh Abstandswarnanlage, insbesondere fuer kraftfahrzeuge
US5278537A (en) * 1992-07-27 1994-01-11 Winner International Corporation Electronic alarm for avoiding collision with animals in a non-destructive manner
DE4435156C2 (de) * 1994-09-30 2002-06-27 Microsonic Ges Fuer Mikroelekt Ultraschallsensor
GB9618947D0 (en) * 1996-09-11 1996-10-23 Hustwitt Michael W Ultrasonic object detection system
JPH10294995A (ja) * 1997-04-21 1998-11-04 Matsushita Electric Ind Co Ltd 防滴型超音波送信器
US6252496B1 (en) 1999-09-10 2001-06-26 Otto V. Jackson Animal warning alarm device
US7113098B1 (en) 2002-08-29 2006-09-26 Melvin Hayes Animal accident reduction systems, methods, and apparatuses
DE102007036166B4 (de) * 2007-08-02 2013-10-17 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zur Aufnahme wenigstens eines Ultraschallsensors in einem verfahrbaren Gerät, insbesondere einem autonom betriebenen Staubsammelroboter, und verfahrbares Gerät mit einer solchen Vorrichtung
JP5755993B2 (ja) * 2011-10-21 2015-07-29 理想科学工業株式会社 超音波センサ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1084675A (en) * 1913-12-06 1914-01-20 Internat Automobile Supply Co Automobile-horn.
US1615434A (en) * 1924-12-03 1927-01-25 Clara S Armstrong Tone chamber
FR1145526A (fr) * 1956-03-05 1957-10-28 Equip Pour L Automobile Soc Ge Avertisseur de dépassement pour véhicules automobiles
US3103911A (en) * 1960-03-04 1963-09-17 Warwick Mfg Corp Whistle

Also Published As

Publication number Publication date
DE2655686B2 (de) 1978-09-28
US4104610A (en) 1978-08-01
DE2655686C3 (de) 1979-05-31
GB1565258A (en) 1980-04-16
FR2335904A1 (fr) 1977-07-15
DE2655686A1 (de) 1977-06-23

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Legal Events

Date Code Title Description
ST Notification of lapse