FR70150E - Perfectionnements aux correcteurs réglables - Google Patents

Perfectionnements aux correcteurs réglables

Info

Publication number: FR70150E
Authority: FR; France
Prior art keywords: correctors; adjustable; adjustable correctors
Prior art date: 1956-01-06
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

Other languages

Inventor

Jacques Oswald

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.)

Compagnie Industrielle des Telephones SA

Original Assignee

Compagnie Industrielle des Telephones SA

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.)

1956-01-06

Filing date

1956-12-28

Publication date

1959-02-03

1956-01-06 Priority claimed from GB51156A external-priority patent/GB793165A/en

1956-12-28 Application filed by Compagnie Industrielle des Telephones SA filed Critical Compagnie Industrielle des Telephones SA

1959-02-03 Application granted granted Critical

1959-02-03 Publication of FR70150E publication Critical patent/FR70150E/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/14—Control of transmission; Equalising characterised by the equalising network used
- H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
- H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Filters And Equalizers (AREA)
Networks Using Active Elements (AREA)
Measurement Of Resistance Or Impedance (AREA)

FR70150D 1956-01-06 1956-12-28 Perfectionnements aux correcteurs réglables Expired FR70150E (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB51156A GB793165A (en)	1956-01-06	1956-01-06	Improvements in adjustable correcting networks
FR771813A FR76852E (fr)	1956-01-06	1958-08-04	Perfectionnements aux correcteurs réglables

Publications (1)

Publication Number	Publication Date
FR70150E true FR70150E (fr)	1959-02-03

Family

ID=26183519

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
FR1116277D Expired FR1116277A (fr)	1956-01-06	1954-12-10	Perfectionnements aux correcteurs réglables
FR70150D Expired FR70150E (fr)	1956-01-06	1956-12-28	Perfectionnements aux correcteurs réglables
FR742065A Expired FR76851E (fr)	1956-01-06	1957-06-28	Perfectionnements aux correcteurs réglables
FR771813A Expired FR76852E (fr)	1956-01-06	1958-08-04	Perfectionnements aux correcteurs réglables

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR1116277D Expired FR1116277A (fr)	1956-01-06	1954-12-10	Perfectionnements aux correcteurs réglables

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
FR742065A Expired FR76851E (fr)	1956-01-06	1957-06-28	Perfectionnements aux correcteurs réglables
FR771813A Expired FR76852E (fr)	1956-01-06	1958-08-04	Perfectionnements aux correcteurs réglables

Country Status (6)

Country	Link
US (2)	US2914738A (fr)
BE (1)	BE544310A (fr)
CH (1)	CH331380A (fr)
DE (2)	DE1200883B (fr)
FR (4)	FR1116277A (fr)
NL (1)	NL97865C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1116277A (fr) *	1956-01-06	1956-05-07	Cie Ind Des Telephones	Perfectionnements aux correcteurs réglables
US2948866A (en) *	1958-10-24	1960-08-09	Cie Ind Des Telephones	Adjustable correcting networks
US3122716A (en) *	1961-08-24	1964-02-25	Seg Electronics Co Inc	Electrical filter consisting of frequency discriminating section concatenated with all-pass complementary phase correcting section

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1732311A (en) *	1926-02-25	1929-10-22	American Telephone & Telegraph	Method and apparatus for testing networks
NL36261C (fr) *	1929-11-18
US2070688A (en) *	1933-12-30	1937-02-16	Hoover Co	Suction cleaner
US2044047A (en) *	1935-01-10	1936-06-16	Bell Telephone Labor Inc	Wave transmission network
US2070668A (en) *	1935-10-04	1937-02-16	Bell Telephone Labor Inc	Wave transmission network
US2096027A (en) *	1936-01-30	1937-10-19	Bell Telephone Labor Inc	Attenuation equalizer
BE524821A (fr) *	1952-12-05
NL86023C (fr) *	1953-03-16
FR1144604A (fr)	1955-08-16	1957-10-16	Cie Ind Des Telephones	Dispositif inverseur d'impédances
FR1116277A (fr) *	1956-01-06	1956-05-07	Cie Ind Des Telephones	Perfectionnements aux correcteurs réglables
GB793165A (en) *	1956-01-06	1958-04-09	Cie Ind Des Telephones	Improvements in adjustable correcting networks
US2948866A (en) *	1958-10-24	1960-08-09	Cie Ind Des Telephones	Adjustable correcting networks

1954
- 1954-12-10 FR FR1116277D patent/FR1116277A/fr not_active Expired
1955
- 1955-03-09 NL NL195409A patent/NL97865C/xx active
1956
- 1956-01-03 CH CH331380D patent/CH331380A/fr unknown
- 1956-01-09 DE DEC12392A patent/DE1200883B/de active Pending
- 1956-01-10 BE BE544310D patent/BE544310A/fr unknown
- 1956-01-18 US US559965A patent/US2914738A/en not_active Expired - Lifetime
- 1956-12-28 FR FR70150D patent/FR70150E/fr not_active Expired
1957
- 1957-06-28 FR FR742065A patent/FR76851E/fr not_active Expired
- 1957-07-10 DE DEC15154A patent/DE1224370B/de active Pending
1958
- 1958-08-04 FR FR771813A patent/FR76852E/fr not_active Expired
1959
- 1959-06-04 US US818107A patent/US2991433A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FR1116277A (fr)	1956-05-07
DE1224370B (de)	1966-09-08
CH331380A (fr)	1958-07-15
DE1200883B (de)	1965-09-16
BE544310A (fr)	1956-01-31
FR76852E (fr)	1961-12-15
FR76851E (fr)	1961-12-15
US2914738A (en)	1959-11-24
US2991433A (en)	1961-07-04
NL97865C (fr)	1961-05-15

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