IT1115713B - Filtro trasversale perfezionato - Google Patents

Filtro trasversale perfezionato

Info

Publication number: IT1115713B
Authority: IT; Italy
Prior art keywords: perfected; cross filter; filter; cross; perfected cross
Prior art date: 1976-04-12

Application number

IT20899/77A

Other languages

English (en)

Original Assignee

Ibm

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.)

1976-04-12

Filing date

1977-03-04

Publication date

1986-02-03

1977-03-04 Application filed by Ibm filed Critical Ibm

1986-02-03 Application granted granted Critical

1986-02-03 Publication of IT1115713B publication Critical patent/IT1115713B/it

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H15/00—Transversal filters
- H03H15/02—Transversal filters using analogue shift registers

IT20899/77A 1976-04-12 1977-03-04 Filtro trasversale perfezionato IT1115713B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/676,037 US4039978A (en)	1976-04-12	1976-04-12	Logic controlled charge transfer device transversal filter employing simple weighting

Publications (1)

Publication Number	Publication Date
IT1115713B true IT1115713B (it)	1986-02-03

Family

ID=24712966

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT20899/77A IT1115713B (it)	1976-04-12	1977-03-04	Filtro trasversale perfezionato

Country Status (7)

Country	Link
US (1)	US4039978A (it)
JP (1)	JPS52124839A (it)
CA (1)	CA1097811A (it)
DE (1)	DE2714946A1 (it)
FR (1)	FR2348606A1 (it)
GB (1)	GB1560909A (it)
IT (1)	IT1115713B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4107550A (en) *	1977-01-19	1978-08-15	International Business Machines Corporation	Bucket brigade circuits
US4084257A (en) *	1977-05-19	1978-04-11	General Electric Company	Signal processing apparatus
US4120035A (en) *	1977-08-16	1978-10-10	International Business Machines Corporation	Electrically reprogrammable transversal filter using charge coupled devices
US4161706A (en) *	1978-01-12	1979-07-17	International Business Machines Corporation	Universal transversal filter chip
DE2939513A1 (de) *	1979-09-28	1981-04-30	Siemens AG, 1000 Berlin und 8000 München	Ctd-transversalfilter mit mehreren parallelgeschalteten eingangsstufen und verfahren zu seinem betrieb
US4322697A (en) *	1980-07-08	1982-03-30	Bell Telephone Laboratories, Incorporated	Sampling filter for reducing aliasing distortion
US4482970A (en) *	1981-11-06	1984-11-13	Grumman Aerospace Corporation	Boolean filtering method and apparatus
US5371470A (en) *	1993-03-04	1994-12-06	Photometrics, Ltd.	Transverse filter circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB918583A (it) *	1958-03-27	1900-01-01
US3292110A (en) *	1964-09-16	1966-12-13	Bell Telephone Labor Inc	Transversal equalizer for digital transmission systems wherein polarity of time-spaced portions of output signal controls corresponding multiplier setting
US3819958A (en) *	1972-11-03	1974-06-25	Texas Instruments Inc	Charge transfer device analog matched filter
US3935439A (en) *	1974-07-12	1976-01-27	Texas Instruments Incorporated	Variable tap weight convolution filter

1976
- 1976-04-12 US US05/676,037 patent/US4039978A/en not_active Expired - Lifetime
1977
- 1977-02-18 FR FR7705179A patent/FR2348606A1/fr active Granted
- 1977-03-02 GB GB8705/77A patent/GB1560909A/en not_active Expired
- 1977-03-04 IT IT20899/77A patent/IT1115713B/it active
- 1977-03-30 CA CA275,386A patent/CA1097811A/en not_active Expired
- 1977-04-01 JP JP3626477A patent/JPS52124839A/ja active Pending
- 1977-04-02 DE DE19772714946 patent/DE2714946A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
GB1560909A (en)	1980-02-13
CA1097811A (en)	1981-03-17
DE2714946A1 (de)	1977-10-20
FR2348606A1 (fr)	1977-11-10
US4039978A (en)	1977-08-02
FR2348606B1 (it)	1980-12-19
JPS52124839A (en)	1977-10-20

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