SE7714466L - FILTER DEVICE - Google Patents

FILTER DEVICE

Info

Publication number: SE7714466L
Authority: SE; Sweden
Prior art keywords: filter device; filter
Prior art date: 1976-12-22

Application number

SE7714466A

Other languages

Swedish (sv)

Inventor

R Fehr

P-A Grandchamp

Original Assignee

Hoffmann La Roche

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.)

1976-12-22

Filing date

1977-12-19

Publication date

1978-06-23

1977-12-19 Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche

1978-06-23 Publication of SE7714466L publication Critical patent/SE7714466L/en

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0283—Filters characterised by the filter structure
- H03H17/0286—Combinations of filter structures
- H03H17/0289—Digital and active filter structures
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Acoustics & Sound (AREA)
Computer Networks & Wireless Communication (AREA)
General Physics & Mathematics (AREA)
Computer Hardware Design (AREA)
Mathematical Physics (AREA)
Ultra Sonic Daignosis Equipment (AREA)
Radar Systems Or Details Thereof (AREA)

SE7714466A 1976-12-22 1977-12-19 FILTER DEVICE SE7714466L (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1618376A CH610157A5 (en)	1976-12-22	1976-12-22	Filter arrangement

Publications (1)

Publication Number	Publication Date
SE7714466L true SE7714466L (en)	1978-06-23

Family

ID=4415120

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7714466A SE7714466L (en)	1976-12-22	1977-12-19	FILTER DEVICE

Country Status (8)

Country	Link
JP (1)	JPS5379352A (en)
CH (1)	CH610157A5 (en)
DE (1)	DE2703879A1 (en)
DK (1)	DK571577A (en)
FR (1)	FR2375764A1 (en)
IT (1)	IT1088474B (en)
NL (1)	NL7713734A (en)
SE (1)	SE7714466L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1135827A (en) *	1978-12-04	1982-11-16	Rainer Fehr	Determination of flow velocities by measuring phase difference between the doppler signals
FR2551214B1 (en) *	1983-08-26	1985-11-22	Centre Nat Rech Scient	METHOD AND DEVICE FOR MEASURING THE LOCAL SPEED WITHIN A FLUID MEDIUM CONTAINING SUSPENSION INCLUSIONS
FR2580076B1 (en) *	1985-04-05	1990-03-09	Ggr Ultrasonic
DE8812400U1 (en) *	1988-09-30	1989-04-06	Siemens AG, 1000 Berlin und 8000 München	Combined ultrasound imager and Doppler device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3894219A (en) *	1974-01-16	1975-07-08	Westinghouse Electric Corp	Hybrid analog and digital comb filter for clutter cancellation

1976
- 1976-12-22 CH CH1618376A patent/CH610157A5/en not_active IP Right Cessation
1977
- 1977-01-31 DE DE19772703879 patent/DE2703879A1/en not_active Withdrawn
- 1977-11-29 IT IT30164/77A patent/IT1088474B/en active
- 1977-12-12 NL NL7713734A patent/NL7713734A/en not_active Application Discontinuation
- 1977-12-19 SE SE7714466A patent/SE7714466L/en unknown
- 1977-12-20 FR FR7738441A patent/FR2375764A1/en not_active Withdrawn
- 1977-12-21 JP JP15303977A patent/JPS5379352A/en active Pending
- 1977-12-21 DK DK571577A patent/DK571577A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
DK571577A (en)	1978-06-23
IT1088474B (en)	1985-06-10
FR2375764A1 (en)	1978-07-21
CH610157A5 (en)	1979-03-30
JPS5379352A (en)	1978-07-13
NL7713734A (en)	1978-06-26
DE2703879A1 (en)	1978-07-06

Publication	Publication Date	Title
SE7807644L (en)	1979-01-12	FILTER DEVICE
NL7707473A (en)	1978-04-14	REWASHABLE FILTER DEVICE.
NL167857C (en)	1982-02-16	FILTERING DEVICE.
NL184882C (en)	1989-12-01	FILTERING DEVICE.
DK295977A (en)	1978-01-04	FILTER ELEMENT
BR7701880A (en)	1978-01-24	FILTERING DEVICE
AT365084B (en)	1981-12-10	FILTER DEVICE
FI773371A (en)	1978-05-20	FILTER FOER TOBAKSROEK
SE435566B (en)	1984-10-08	filtering device
IT1078700B (en)	1985-05-08	FILTER
SE7611182L (en)	1978-04-09	FILTER ELEMENT
BR7701150A (en)	1977-10-18	ELECTROMECANIC FILTER
SE431826B (en)	1984-03-05	FILTER ELEMENT
SE414274B (en)	1980-07-21	FILTER DEVICE
SE400364B (en)	1978-03-20	FILTER DEVICE
DD132803A5 (en)	1978-11-01	TIEFBOHR DEVICE
SE7714466L (en)	1978-06-23	FILTER DEVICE
AT367250B (en)	1982-06-11	CONNECTING DEVICE
AT365472B (en)	1982-01-25	FILTER APPARATUS
SE7708177L (en)	1978-01-16	FILTER DEVICE
SE7700566L (en)	1977-07-22	FILTER PASS
SE7705437L (en)	1977-12-19	SPAINING DEVICE
SE419039B (en)	1981-07-13	FILTER ELEMENT
SE7609364L (en)	1978-02-25	FILTER
SE7603311L (en)	1977-09-17	FILTER DEVICE