FR50708E - Systèmes transducteurs électromécaniques - Google Patents

Systèmes transducteurs électromécaniques

Info

Publication number: FR50708E
Authority: FR; France
Prior art keywords: electromechanical transducer; transducer systems; systems; electromechanical; transducer
Prior art date: 1936-09-16
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

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.)

1936-09-16

Filing date

1939-05-11

Publication date

1941-02-24

1939-05-11 Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF

1941-02-24 Application granted granted Critical

1941-02-24 Publication of FR50708E publication Critical patent/FR50708E/fr

Status Expired legal-status Critical Current

Classifications

- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/30—Electromagnetic relays specially adapted for actuation by ac
- H01H51/32—Frequency relays; Mechanically-tuned relays
- 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
- H03H9/48—Coupling means therefor

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Electromagnetism (AREA)
Acoustics & Sound (AREA)
Apparatuses For Generation Of Mechanical Vibrations (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Coils Or Transformers For Communication (AREA)
Reciprocating, Oscillating Or Vibrating Motors (AREA)

FR50708D 1936-09-16 1939-05-11 Systèmes transducteurs électromécaniques Expired FR50708E (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US101061A US2160876A (en)	1936-09-16	1936-09-16	Electromechanical transducer
US207928A US2164541A (en)	1936-09-16	1938-05-14	Electromechanical wave filter

Publications (1)

Publication Number	Publication Date
FR50708E true FR50708E (fr)	1941-02-24

Family

ID=26797857

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR826795D Expired FR826795A (fr)	1936-09-16	1937-09-15	Système transducteurs électromécaniques
FR50708D Expired FR50708E (fr)	1936-09-16	1939-05-11	Systèmes transducteurs électromécaniques

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR826795D Expired FR826795A (fr)	1936-09-16	1937-09-15	Système transducteurs électromécaniques

Country Status (6)

Country	Link
US (2)	US2160876A (fr)
CH (1)	CH202348A (fr)
DE (1)	DE706982C (fr)
FR (2)	FR826795A (fr)
GB (1)	GB489075A (fr)
NL (1)	NL49760C (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE880616C (de) *		1953-05-07	Werner Dr Kroebel	Verfahren zur Frequenzanalyse
US2420232A (en) *	1942-12-21	1947-05-06	Rca Corp	Signaling system
DE885900C (de) *	1944-05-06	1953-08-10	Karl-Otto Dr-Ing Schmidt	Anordnung zur Aufloesung elektrischer Frequenzgemische
US2442560A (en) *	1944-06-10	1948-06-01	Dan M Finch	Low voltage direct-current inverter
US2771586A (en) *	1952-05-20	1956-11-20	Itt	Noise suppression device
US3005169A (en) *	1957-11-29	1961-10-17	Gen Motors Corp	Frequency selective circuit
US3079555A (en) *	1958-01-21	1963-02-26	J B T Instr Inc	Vibrating reed electro-responsive device
US3098986A (en) *	1960-06-15	1963-07-23	Thomas W Holden	Band pass audio filter
CH414472A (fr) *	1961-05-24	1966-01-31	Movado Montres	Pièce d'horlogerie comprenant un oscillateur mécanique
US3098987A (en) *	1962-01-12	1963-07-23	Thomas W Holden	Variable band pass audio filter
US4160232A (en) *	1973-04-19	1979-07-03	Westinghouse Electric Corp.	Low frequency dipole hydrophone transducer
US4160231A (en) *	1973-04-19	1979-07-03	Westinghouse Electric Corp.	Low frequency dipole hydrophone transducer

1936
- 1936-09-16 US US101061A patent/US2160876A/en not_active Expired - Lifetime
1937
- 1937-08-28 NL NL83942A patent/NL49760C/xx active
- 1937-09-03 GB GB24152/37A patent/GB489075A/en not_active Expired
- 1937-09-08 DE DEI59023D patent/DE706982C/de not_active Expired
- 1937-09-15 FR FR826795D patent/FR826795A/fr not_active Expired
- 1937-09-16 CH CH202348D patent/CH202348A/de unknown
1938
- 1938-05-14 US US207928A patent/US2164541A/en not_active Expired - Lifetime
1939
- 1939-05-11 FR FR50708D patent/FR50708E/fr not_active Expired

Also Published As

Publication number	Publication date
NL49760C (fr)	1941-01-15
DE706982C (de)	1941-06-10
GB489075A (en)	1938-07-19
US2164541A (en)	1939-07-04
US2160876A (en)	1939-06-06
CH202348A (de)	1939-01-15
FR826795A (fr)	1938-04-08

Publication	Publication Date	Title
FR50708E (fr)	1941-02-24	Systèmes transducteurs électromécaniques
CH202081A (de)	1938-12-31	Piezoelektrisches Element.
FR839582A (fr)	1939-04-06	Systèmes amplificateurs
CH201674A (fr)	1938-12-15	Dispositif acoustique.
FR821125A (fr)	1937-11-27	Systèmes d'aériens
CH238066A (de)	1945-06-15	Piezoelektrische Quarzplatte.
FR839203A (fr)	1939-03-29	Systèmes amplificateurs
FR860997A (fr)	1941-01-29	Systèmes piézoélectriques
FR832818A (fr)	1938-10-04	Systèmes vibrants électromécaniques hétérogènes
FR817277A (fr)	1937-08-31	Altimètre
CH192168A (it)	1937-07-31	Blocco di scrittura.
FR827073A (fr)	1938-04-15	Systèmes amplificateurs thermoioniques
FR808335A (fr)	1937-02-03	Systèmes de
FR821898A (fr)	1937-12-15	Appareils piézoélectriques
FR818849A (fr)	1937-10-04	Perfectionnements aux systèmes photosensibles
FR838508A (fr)	1939-03-08	Systèmes oscillographiques
DK52356C (da)	1936-11-16	Sirene.
DK53072C (da)	1937-05-10	Sirene.
FR840395A (fr)	1939-04-25	Systèmes amplificateurs
FI18122A (fi)	1938-06-03	Elastiskt plåsterförband
DK57565C (da)	1940-05-06	Spejlaggregat.
DK55525C (da)	1938-12-05	Primært Element.
DK53911C (da)	1937-11-22	Elastisk Kobling.
CH206182A (de)	1939-07-31	Klebmasse.
GR6063B (el)	1936-10-22	Συνθετον υελοειδες στοιχειον.