GB2145306B - Filter arrangement - Google Patents

Filter arrangement

Info

Publication number: GB2145306B
Authority: GB; United Kingdom
Prior art keywords: filter arrangement; filter; arrangement
Prior art date: 1983-08-13
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

GB08321854A

Other versions

GB2145306A (en

GB8321854D0 (en

Inventor

Ping-Si Lam

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.)

Plessey Co Ltd

Original Assignee

Plessey Co Ltd

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.)

1983-08-13

Filing date

1983-08-13

Publication date

1987-05-07

1983-08-13 Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd

1983-08-13 Priority to GB08321854A priority Critical patent/GB2145306B/en

1983-09-14 Publication of GB8321854D0 publication Critical patent/GB8321854D0/en

1984-07-04 Priority to ZA845147A priority patent/ZA845147B/en

1984-07-16 Priority to ZW112/84A priority patent/ZW11284A1/en

1984-07-23 Priority to AU30938/84A priority patent/AU568386B2/en

1984-07-27 Priority to BE0/213404A priority patent/BE900247A/en

1984-08-07 Priority to GR80052A priority patent/GR80052B/en

1984-08-10 Priority to IT22311/84A priority patent/IT1174648B/en

1984-08-10 Priority to MT951A priority patent/MTP951B/en

1984-08-10 Priority to FR8412717A priority patent/FR2550670B1/en

1984-08-10 Priority to DK388084A priority patent/DK388084A/en

1984-08-13 Priority to PT79071A priority patent/PT79071B/en

1985-03-20 Publication of GB2145306A publication Critical patent/GB2145306A/en

1987-05-07 Application granted granted Critical

1987-05-07 Publication of GB2145306B publication Critical patent/GB2145306B/en

Status Expired legal-status Critical Current

Links

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

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Computer Hardware Design (AREA)
Mathematical Physics (AREA)
Networks Using Active Elements (AREA)
Filters And Equalizers (AREA)

GB08321854A 1983-08-13 1983-08-13 Filter arrangement Expired GB2145306B (en)

Priority Applications (11)

Application Number	Priority Date	Filing Date	Title
GB08321854A GB2145306B (en)	1983-08-13	1983-08-13	Filter arrangement
ZA845147A ZA845147B (en)	1983-08-13	1984-07-04	Filter arrangement
ZW112/84A ZW11284A1 (en)	1983-08-13	1984-07-16	Filter arrangement for use in a signalling system
AU30938/84A AU568386B2 (en)	1983-08-13	1984-07-23	Digital filter arrangement
BE0/213404A BE900247A (en)	1983-08-13	1984-07-27	FILTER ARRANGEMENT.
GR80052A GR80052B (en)	1983-08-13	1984-08-07	Filter arrangement
IT22311/84A IT1174648B (en)	1983-08-13	1984-08-10	ARRANGEMENT OF FILTERS
MT951A MTP951B (en)	1983-08-13	1984-08-10	Filter arrangement
FR8412717A FR2550670B1 (en)	1983-08-13	1984-08-10	FILTERING DEVICE FOR SIGNALING SYSTEM
DK388084A DK388084A (en)	1983-08-13	1984-08-10	FILTER ARRANGEMENT
PT79071A PT79071B (en)	1983-08-13	1984-08-13	Filter arrangement

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB08321854A GB2145306B (en)	1983-08-13	1983-08-13	Filter arrangement

Publications (3)

Publication Number	Publication Date
GB8321854D0 GB8321854D0 (en)	1983-09-14
GB2145306A GB2145306A (en)	1985-03-20
GB2145306B true GB2145306B (en)	1987-05-07

Family

ID=10547283

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08321854A Expired GB2145306B (en)	1983-08-13	1983-08-13	Filter arrangement

Country Status (11)

Country	Link
AU (1)	AU568386B2 (en)
BE (1)	BE900247A (en)
DK (1)	DK388084A (en)
FR (1)	FR2550670B1 (en)
GB (1)	GB2145306B (en)
GR (1)	GR80052B (en)
IT (1)	IT1174648B (en)
MT (1)	MTP951B (en)
PT (1)	PT79071B (en)
ZA (1)	ZA845147B (en)
ZW (1)	ZW11284A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2187064B (en) *	1986-02-21	1990-01-31	Stc Plc	Adaptive filter
US6107898A (en) *	1998-04-30	2000-08-22	The United State Of America As Represented By The Secretary Of The Navy	Microwave channelized bandpass filter having two channels

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1541660A1 (en) *	1966-09-07	1970-10-22	Telefunken Patent	Filter arrangement for generating a residual sideband signal with a Nyquist edge
US4524423A (en) *	1981-11-06	1985-06-18	Rca Corporation	Digital signal separation filters

1983
- 1983-08-13 GB GB08321854A patent/GB2145306B/en not_active Expired
1984
- 1984-07-04 ZA ZA845147A patent/ZA845147B/en unknown
- 1984-07-16 ZW ZW112/84A patent/ZW11284A1/en unknown
- 1984-07-23 AU AU30938/84A patent/AU568386B2/en not_active Ceased
- 1984-07-27 BE BE0/213404A patent/BE900247A/en not_active IP Right Cessation
- 1984-08-07 GR GR80052A patent/GR80052B/en unknown
- 1984-08-10 DK DK388084A patent/DK388084A/en not_active Application Discontinuation
- 1984-08-10 MT MT951A patent/MTP951B/en unknown
- 1984-08-10 FR FR8412717A patent/FR2550670B1/en not_active Expired
- 1984-08-10 IT IT22311/84A patent/IT1174648B/en active
- 1984-08-13 PT PT79071A patent/PT79071B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
ZW11284A1 (en)	1984-11-28
ZA845147B (en)	1985-02-27
IT1174648B (en)	1987-07-01
FR2550670B1 (en)	1987-11-20
FR2550670A1 (en)	1985-02-15
DK388084A (en)	1985-02-14
DK388084D0 (en)	1984-08-10
AU568386B2 (en)	1987-12-24
GB2145306A (en)	1985-03-20
BE900247A (en)	1984-11-16
MTP951B (en)	1985-07-29
IT8422311A0 (en)	1984-08-10
PT79071B (en)	1986-06-09
AU3093884A (en)	1985-02-21
GR80052B (en)	1984-12-12
PT79071A (en)	1984-09-01
GB8321854D0 (en)	1983-09-14

Legal Events

Date	Code	Title	Description
1990-03-21	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1993-04-14	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19920813

Publication	Publication Date	Title
DE3474520D1 (en)	1988-11-17	Filter element
IL69638A0 (en)	1983-12-30	Easily-cleanable filters
GB2140706B (en)	1987-01-28	Filter
GB8308588D0 (en)	1983-05-05	Filter
GB2145011B (en)	1986-12-10	Filter
GB8425418D0 (en)	1984-11-14	Filtration
GB8430691D0 (en)	1985-01-16	Filter element
GB2134811B (en)	1986-07-23	Filter unit
GB2148140B (en)	1987-09-30	Filter
GB8407752D0 (en)	1984-05-02	Filter
GB8316222D0 (en)	1983-07-20	Filter
GB8408277D0 (en)	1984-05-10	Filter element
GB2149315B (en)	1987-07-15	Filtering unit
GB8407916D0 (en)	1984-05-02	Interference filter
GB8330452D0 (en)	1983-12-21	Filtration
IL69145A (en)	1988-10-31	Filter
GB2145306B (en)	1987-05-07	Filter arrangement
GB8329307D0 (en)	1983-12-07	Filter
GB8422554D0 (en)	1984-10-10	Filtering
KR840002755Y1 (en)	1984-12-24	Filter
GB8317876D0 (en)	1983-08-03	Filter
CS926283A1 (en)	1985-06-13	Lignocelulozovy filter
GB2134809B (en)	1986-10-15	Filter assembly
GB8327555D0 (en)	1983-11-16	Filters
IL91610A0 (en)	1990-04-29	Easily-cleanable filters