CH212040A - Elektrischer Filter. - Google Patents

Elektrischer Filter.

Info

Publication number: CH212040A
Authority: CH; Switzerland
Prior art keywords: electric filter; filter; electric
Prior art date: 1938-06-18

Application number

Other languages

English (en)

Inventor

Gloeilampenfabrieken N Philips

Original Assignee

Philips Nv

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.)

1938-06-18

Filing date

1939-06-15

Publication date

1940-10-31

1939-06-15 Application filed by Philips Nv filed Critical Philips Nv

1940-10-31 Publication of CH212040A publication Critical patent/CH212040A/de

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/06—Frequency selective two-port networks including resistors
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/06—Frequency selective two-port networks including resistors
- H03H7/07—Bridged T-filters
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1716—Comprising foot-point elements
- H03H7/1725—Element to ground being common to different shunt paths, i.e. Y-structure
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/175—Series LC in series path
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1758—Series LC in shunt or branch path
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1766—Parallel LC in series path
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/17—Structural details of sub-circuits of frequency selective networks
- H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
- H03H7/1775—Parallel LC in shunt or branch path

CH212040D 1938-06-18 1939-06-15 Elektrischer Filter. CH212040A (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEN42129D DE731675C (de)	1938-06-18	1938-06-18	Elektrisches Filter aus einer oder mehreren T-bzw. ó�-Zellen
DEN42128D DE716057C (de)	1938-06-18	1938-06-18	Elektrisches Filter, zusammengestellt aus einer oder mehreren T- bzw. ó�-Zellen, in welchem die beiden Reihenimpedanzen der T-Zelle (n) durch einen UEberbrueckungswiderstand ueberbrueckt sind bzw. in Reihe mit den beiden Nebenschlussimpedanzen der ó�-Zelle(n) ein Reihenwiderstand geschaltet ist

Publications (1)

Publication Number	Publication Date
CH212040A true CH212040A (de)	1940-10-31

Family

ID=7348507

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH212040D CH212040A (de)	1938-06-18	1939-06-15	Elektrischer Filter.

Country Status (5)

Country	Link
BE (1)	BE434910A (de)
CH (1)	CH212040A (de)
DE (2)	DE716057C (de)
FR (1)	FR856603A (de)
GB (1)	GB525603A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4636053A (en) *	1978-02-24	1987-01-13	Canon Kabushiki Kaisha	Distance detecting device

1938
- 1938-06-18 DE DEN42128D patent/DE716057C/de not_active Expired
- 1938-06-18 DE DEN42129D patent/DE731675C/de not_active Expired
1939
- 1939-06-14 GB GB1744039A patent/GB525603A/en not_active Expired
- 1939-06-15 BE BE434910D patent/BE434910A/xx unknown
- 1939-06-15 CH CH212040D patent/CH212040A/de unknown
- 1939-06-17 FR FR856603D patent/FR856603A/fr not_active Expired

Also Published As

Publication number	Publication date
DE731675C (de)	1943-02-12
DE716057C (de)	1942-01-12
FR856603A (fr)	1940-07-29
BE434910A (de)	1939-07-08
GB525603A (en)	1940-08-30

Publication	Publication Date	Title
CH211263A (de)	1940-09-15	Magnetischer Filter.
FR858299A (fr)	1940-11-21	Prise de courant
CH222363A (de)	1942-07-15	Elektrische Schmelzsicherung.
CH205249A (de)	1939-06-15	Zyklotron.
FR859101A (fr)	1940-12-11	Réseaux électriques
FR852037A (fr)	1940-01-22	Câbles électriques
FR861703A (fr)	1941-02-15	Conducteurs électriques
CH225448A (de)	1943-01-31	Elektrischer Kondensator.
CH209267A (de)	1940-03-31	Zyklotron.
FR856963A (fr)	1940-08-19	Oscillateurs électriques perfectionnés
FR851088A (fr)	1940-01-02	Condensateurs électriques
CH212040A (de)	1940-10-31	Elektrischer Filter.
FR852337A (fr)	1940-01-30	Condensateurs électriques
GR7138B (el)	1938-02-08	Ηλεκτρικη μυοπαγις.
CH219291A (de)	1942-01-31	Elektrischer periodischer Unterbrecher.
DK57153C (da)	1940-01-15	Elektrisk Smeltesikring.
FR857613A (fr)	1940-09-21	Balai de dynamo
DK58771C (da)	1941-06-16	Elektrisk Forgreningsdaase.
DK56414C (da)	1939-07-10	Elektrisk Kogeapparat.
CH214478A (de)	1941-04-30	Elektrischer Sammler.
GR7261B (el)	1938-04-01	Ηλεκτροκινητον ωρολογιον.
DK59751C (da)	1942-05-11	Elektrisk Lygte.
DK57989C (da)	1940-09-16	Elektrisk Tidsafbryder.
DK57920C (da)	1940-08-26	Elektrisk Tidsafbryder.
CH223408A (de)	1942-09-15	Elektrischer Schaltapparat.