FR835896A - Systèmes électriques et électromécaniques - Google Patents

Systèmes électriques et électromécaniques

Info

Publication number
FR835896A
FR835896A FR835896DA FR835896A FR 835896 A FR835896 A FR 835896A FR 835896D A FR835896D A FR 835896DA FR 835896 A FR835896 A FR 835896A
Authority
FR
France
Prior art keywords
electrical
electromechanical systems
electromechanical
systems
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.)
Expired
Application number
Other languages
English (en)
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
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR835896A publication Critical patent/FR835896A/fr
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/62—Filters comprising resonators of magnetostrictive material

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR835896D 1937-03-30 1938-03-29 Systèmes électriques et électromécaniques Expired FR835896A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US133837A US2166359A (en) 1937-03-30 1937-03-30 Magnetostrictive device
US141485A US2170206A (en) 1937-03-30 1937-05-08 Electrical and electromechanical system employing magnetostrictive devices

Publications (1)

Publication Number Publication Date
FR835896A true FR835896A (fr) 1939-01-05

Family

ID=26831744

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835896D Expired FR835896A (fr) 1937-03-30 1938-03-29 Systèmes électriques et électromécaniques

Country Status (4)

Country Link
US (2) US2166359A (fr)
CH (1) CH208063A (fr)
FR (1) FR835896A (fr)
GB (1) GB512242A (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923900A (en) * 1960-02-02 Poschenrieder
US2437282A (en) * 1942-11-18 1948-03-09 Submarine Signal Co Electroacoustical transducer
US2450412A (en) * 1942-11-20 1948-10-05 Submarine Signal Co Device for transmitting and receiving compressional energy
US2450104A (en) * 1942-11-30 1948-09-28 Rca Corp Electroacoustical transducer
US2415407A (en) * 1942-12-09 1947-02-11 Submarine Signal Co Submarine signaling apparatus
US2435487A (en) * 1943-02-01 1948-02-03 Zenith Radio Corp Electromechanical vibrator
US2978670A (en) * 1943-02-22 1961-04-04 Bell Telephone Labor Inc Compressional wave translating device
US2886794A (en) * 1943-09-11 1959-05-12 Cecil K Stedman Microphone
US2626380A (en) * 1943-09-11 1953-01-20 Cecil K Stedman Microphone
US2769161A (en) * 1944-01-01 1956-10-30 Laymon N Miller Cone microphone
US2984819A (en) * 1944-07-14 1961-05-16 Laymon N Miller Magnetostrictive transducer
US2452086A (en) * 1945-03-10 1948-10-26 Submarine Signal Co Sound producer and receiver
US2595791A (en) * 1946-04-05 1952-05-06 Us Navy Transducer
US2553251A (en) * 1947-01-02 1951-05-15 Engineering Res Associates Inc Vibrating tool
US2519495A (en) * 1947-01-11 1950-08-22 Bell Telephone Labor Inc Magnetostrictive core and method of making it
US2519277A (en) * 1947-01-15 1950-08-15 Bell Telephone Labor Inc Magnetostrictive device and alloy and method of producing them
US2506393A (en) * 1947-01-30 1950-05-02 Gen Electric Method for producing material with high magnetostrictive properties
NL72352C (fr) * 1947-11-12
US2552139A (en) * 1948-06-17 1951-05-08 Philco Corp Electrical system
US2605354A (en) * 1949-03-22 1952-07-29 Rca Corp Mechanical filter
US2660712A (en) * 1949-07-27 1953-11-24 Rca Corp Band pass filter
US2592721A (en) * 1950-04-22 1952-04-15 Bell Telephone Labor Inc Filter using magnetostrictive rings
US2705460A (en) * 1951-01-26 1955-04-05 Harl C Burdick Ultrasonic attachment for oil pumps
US2977569A (en) * 1951-04-04 1961-03-28 Harris Transducer Corp Detector with modulation by magnetostrictive-core acoustic transducer
NL166788B (nl) * 1952-01-18 Contraves Ag Werkwijze voor het vervaardigen van een elektrode in een inrichting voor het bepalen van de afwijkingen van de loodlijn.
US2770782A (en) * 1952-08-30 1956-11-13 Rca Corp Frequency selective coupling system
US2858773A (en) * 1954-09-08 1958-11-04 Jr George C Eldridge Frequency responsive control device
US2826396A (en) * 1955-02-01 1958-03-11 Telephonics Corp Vibration producing apparatus
US2896099A (en) * 1955-04-04 1959-07-21 Alcar Instr Inc Transducers used in ultrasonic equipment
US2906972A (en) * 1956-05-03 1959-09-29 Leonard Frederick Magnetostrictive resonator mounting
US2873392A (en) * 1957-04-19 1959-02-10 Stanley R Rich Supports for mechanical vibrators
BE567645A (fr) * 1957-05-17
US3161792A (en) * 1958-03-20 1964-12-15 Westinghouse Electric Corp Magnetostrictive transducer apparatus
US3044028A (en) * 1958-04-23 1962-07-10 Harris Transducer Corp Magnetic circuit element transducer
US3295055A (en) * 1961-04-20 1966-12-27 Tdk Electronics Co Ltd Combined unit of impedance
US3248580A (en) * 1963-01-11 1966-04-26 Floyd E Smith Coil excited vibrator assemblage
KR101919115B1 (ko) * 2012-02-29 2018-11-15 삼성전자주식회사 Ｂａｗｒ 을 이용한 필터

Also Published As

Publication number Publication date
GB512242A (en) 1939-08-31
CH208063A (de) 1939-12-31
US2170206A (en) 1939-08-22
US2166359A (en) 1939-07-18

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