BR8305744A - Filtros de passagem de faixa e de multiplas faixas - Google Patents

Filtros de passagem de faixa e de multiplas faixas

Info

Publication number: BR8305744A
Authority: BR; Brazil
Prior art keywords: band; filters; pass; band pass; band filters
Prior art date: 1982-02-16

Application number

BR8305744A

Other languages

English (en)

Inventor

Raymond L Sokola

Charles Choi

Original Assignee

Motorola Inc

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.)

1982-02-16

Filing date

1983-01-21

Publication date

1984-01-10

1982-02-16 Priority claimed from US06/349,346 external-priority patent/US4431977A/en

1983-01-21 Application filed by Motorola Inc filed Critical Motorola Inc

1984-01-10 Publication of BR8305744A publication Critical patent/BR8305744A/pt

Links

BR8305744A 1982-02-16 1983-01-21 Filtros de passagem de faixa e de multiplas faixas BR8305744A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/349,346 US4431977A (en)	1982-02-16	1982-02-16	Ceramic bandpass filter
PCT/US1983/000092 WO1983002853A1 (en)	1982-02-16	1983-01-21	Ceramic bandpass filter

Publications (1)

Publication Number	Publication Date
BR8305744A true BR8305744A (pt)	1984-01-10

Family

ID=26768100

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8305744A BR8305744A (pt)	1982-02-16	1983-01-21	Filtros de passagem de faixa e de multiplas faixas

Country Status (3)

Country	Link
BR (1)	BR8305744A (pt)
HK (1)	HK87090A (pt)
NO (1)	NO162399B (pt)

1983
- 1983-01-21 BR BR8305744A patent/BR8305744A/pt not_active IP Right Cessation
- 1983-09-14 NO NO83833289A patent/NO162399B/no unknown
1990
- 1990-10-25 HK HK87090A patent/HK87090A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO162399B (no)	1989-09-11
NO833289L (no)	1983-09-14
HK87090A (en)	1990-11-02

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Legal Events

Date	Code	Title	Description
2008-07-01	B21A	Expiry acc. art. 78, item i of ipl- expiry of the term of protection	Free format text: PATENTE EXTINTA EM 21/01/98