NL139430B - Elektromechanisch filter. - Google Patents

Elektromechanisch filter.

Info

Publication number: NL139430B
Authority: NL; Netherlands
Prior art keywords: electromechanical filter; electromechanical; filter
Prior art date: 1962-02-09

Application number

NL63287749A

Other languages

English (en)

Dutch (nl)

Other versions

NL287749A (xx

Original Assignee

Siemens Ag

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.)

1962-02-09

Filing date

1963-01-14

Publication date

1973-07-16

Publication of NL287749A publication Critical patent/NL287749A/xx

1963-01-14 Application filed by Siemens Ag filed Critical Siemens Ag

1973-07-16 Publication of NL139430B publication Critical patent/NL139430B/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters

Landscapes

Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

NL63287749A 1962-02-09 1963-01-14 Elektromechanisch filter. NL139430B (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DES77973A DE1264635B (de)	1962-02-09	1962-02-09	Elektromechanisches Filter

Publications (2)

Publication Number	Publication Date
NL287749A NL287749A (xx)
NL139430B true NL139430B (nl)	1973-07-16

Family

ID=7507141

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL63287749A NL139430B (nl)	1962-02-09	1963-01-14	Elektromechanisch filter.

Country Status (5)

Country	Link
US (1)	US3245012A (xx)
DE (1)	DE1264635B (xx)
GB (1)	GB1028492A (xx)
NL (1)	NL139430B (xx)
SE (1)	SE321037B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3437848A (en) *	1964-09-24	1969-04-08	Telefunken Patent	Piezoelectric plate filter
US3763446A (en) *	1972-03-31	1973-10-02	Murata Manufacturing Co	High frequency multi-resonator of trapped energy type
FR2521782A1 (fr) *	1982-02-16	1983-08-19	Centre Electron Horloger	Resonateur piezoelectrique encastrable
GB2124021A (en) *	1982-07-16	1984-02-08	Philips Electronic Associated	Piezo-electric resonator or filter
US4554558A (en) *	1983-05-19	1985-11-19	The Mead Corporation	Fluid jet print head
US4587528A (en) *	1983-05-19	1986-05-06	The Mead Corporation	Fluid jet print head having resonant cavity
JP3094717B2 (ja) *	1993-02-09	2000-10-03	株式会社村田製作所	圧電共振部品

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2276013A (en) *	1939-06-08	1942-03-10	Western Electric Co	Apparatus for electrical transformation
GB686016A (en) *	1949-03-30	1953-01-14	Rca Corp	Improvements in electromechanical filters
US3015789A (en) *	1956-04-23	1962-01-02	Toyotsushinki Kabushiki Kaisha	Mechanical filter
GB822536A (en) *	1956-12-06	1959-10-28	Standard Telephones Cables Ltd	Improved mechanical filter having mechanical resonators coupled by means employing poisson's effect
NL239635A (xx) *	1958-05-30
US3064213A (en) *	1959-08-14	1962-11-13	Bell Telephone Labor Inc	Electromechanical wave transmission systems

1962
- 1962-02-09 DE DES77973A patent/DE1264635B/de active Pending
1963
- 1963-01-14 NL NL63287749A patent/NL139430B/xx unknown
- 1963-01-31 US US255327A patent/US3245012A/en not_active Expired - Lifetime
- 1963-02-08 SE SE1422/63A patent/SE321037B/xx unknown
- 1963-02-08 GB GB5146/63A patent/GB1028492A/en not_active Expired

Also Published As

Publication number	Publication date
US3245012A (en)	1966-04-05
SE321037B (xx)	1970-02-23
DE1264635B (de)	1968-03-28
GB1028492A (en)	1966-05-04
NL287749A (xx)

Similar Documents

Publication	Publication Date	Title
OA02297A (fr)	1970-05-05	Passoire.
FR2973M (fr)	1964-11-30	Alpha-aminocétone.
DK117004B (da)	1970-03-09	Elektomekanisk filter.
DK105974C (da)	1966-11-28	Lastpallemagasin.
DK112125B (da)	1968-11-11	Falstagsten.
NL139430B (nl)	1973-07-16	Elektromechanisch filter.
DK131360B (da)	1975-06-30	Elektromekanisk filter.
CH398825A (de)	1966-03-15	Elektromechanisches Filter
NL151266B (nl)	1976-11-15	Filtreerinrichting.
NL143659B (nl)	1974-10-15	Fluidum-en-afsluiting.
DK108479C (da)	1967-12-18	Luftfilter.
NL140156B (nl)	1973-11-15	Filtreerinrichting.
AT265937B (de)	1968-10-25	Filter
NL143761B (nl)	1974-10-15	Elektromechanisch bandfilter.
FR3546M (fr)	1965-09-20	Azabenzocycloalcane-n-carboxamidines.
OA01221A (fr)	1969-01-25	Polythioformaldéhydes.
GR23615B (el)	1962-09-17	Αποσιωπητηρ - φιλτρον καυσαεριων.
GR23705B (el)	1962-10-08	Αποσιωπητηρ - φιλτρον καυσαεριων.
DK103099C (da)	1965-11-15	Plov.
FR2894M (fr)	1963-11-02	Phénylalcanolamine.
FR1333535A (fr)	1963-07-26	Passoire
NL144108B (nl)	1974-11-15	Elektromechanisch filter.
GR23533B (el)	1962-08-20	Φυγοκεντρικον φιλτρον καυσαεριων.
ES106422Y (es)	1965-02-01	Filtro.
GR23116B (el)	1962-04-21	Συσκευη φιλτραρισματος καπνου.

Legal Events

Date	Code	Title	Description
1981-07-16	VJC	Lapsed due to non-payment of the due maintenance fee for the patent or patent application
1983-11-30	NL80	Abbreviated name of patent owner mentioned of already nullified patent	Owner name: SIEMENS