NL134514B - - Google Patents

Info

Publication number: NL134514B
Authority: NL; Netherlands

Application number

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.)

1942-06-10

Publication of NL134514B publication Critical patent/NL134514B/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0095—Balance-unbalance or balance-balance networks using bulk acoustic wave devices
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B15/00—Drawing glass upwardly from the melt
- C03B15/02—Drawing glass sheets
- C03B15/08—Drawing glass sheets by means of bars below the surface of the melt
- 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
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

NL134514D 1942-06-10 NL134514B (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US446479A US2342875A (en)	1942-06-10	1942-06-10	Wave filter

Publications (1)

Publication Number	Publication Date
NL134514B true NL134514B (xx)

Family

ID=23772747

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL83190D NL83190C (xx)	1942-06-10
NL134514D NL134514B (xx)	1942-06-10

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL83190D NL83190C (xx)	1942-06-10

Country Status (6)

Country	Link
US (1)	US2342875A (xx)
BE (1)	BE473973A (xx)
CH (1)	CH265654A (xx)
FR (1)	FR948264A (xx)
GB (1)	GB624292A (xx)
NL (2)	NL134514B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2452114A (en) *	1945-04-26	1948-10-26	Bell Telephone Labor Inc	Balanced wave filter
DE1252330B (xx) *	1958-09-17
US5499002A (en) *	1994-04-28	1996-03-12	Kinsman; Robert G.	Resonator filter utilizing cascaded impedance inverters

0
- NL NL83190D patent/NL83190C/xx active
- NL NL134514D patent/NL134514B/xx unknown
- BE BE473973D patent/BE473973A/xx unknown
1942
- 1942-06-10 US US446479A patent/US2342875A/en not_active Expired - Lifetime
1947
- 1947-05-28 CH CH265654D patent/CH265654A/de unknown
- 1947-06-20 FR FR948264D patent/FR948264A/fr not_active Expired
- 1947-06-27 GB GB17026/47A patent/GB624292A/en not_active Expired

Also Published As

Publication number	Publication date
NL83190C (xx)
BE473973A (xx)
FR948264A (fr)	1949-07-27
GB624292A (en)	1949-06-01
CH265654A (de)	1949-12-15
US2342875A (en)	1944-02-29

Publication	Publication Date	Title
NL72086C (xx)
BE446040A (xx)
BE441168A (xx)
BE441218A (xx)
BE442959A (xx)
BE443577A (xx)
BE444337A (xx)
BE444433A (xx)
BE444539A (xx)	1942-03-31
BE444654A (xx)	1942-03-31
BE444779A (xx)
BE444937A (xx)
BE445013A (xx)
BE445032A (xx)	1942-04-30
BE445075A (xx)	1942-05-30
BE445132A (xx)
BE445174A (xx)
BE445207A (xx)
BE445519A (xx)
BE445534A (xx)
BE445553A (xx)
BE445562A (xx)
BE473973A (xx)
BE445632A (xx)
BE445672A (xx)