FR818700A - Improvements to electrical transmission systems - Google Patents

Improvements to electrical transmission systems

Info

Publication number: FR818700A
Authority: FR; France
Prior art keywords: transmission systems; electrical transmission; electrical; systems; transmission
Prior art date: 1936-03-03
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

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.)

EMI Ltd

Electrical and Musical Industries Ltd

Original Assignee

EMI Ltd

Electrical and Musical Industries 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.)

1936-03-03

Filing date

1937-03-03

Publication date

1937-10-01

1937-02-18 Priority claimed from GB3186537A external-priority patent/GB495815A/en

1937-03-03 Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd

1937-10-01 Application granted granted Critical

1937-10-01 Publication of FR818700A publication Critical patent/FR818700A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- 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
- 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
- H04B3/141—Control of transmission; Equalising characterised by the equalising network used using multiequalisers, e.g. bump, cosine, Bode

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Multimedia (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

FR818700D 1936-03-03 1937-03-03 Improvements to electrical transmission systems Expired FR818700A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB6483/36A GB476799A (en)	1936-03-03	1936-03-03	Improvements in or relating to electric signal transmission systems
GB3186537A GB495815A (en)	1939-02-10	1937-02-18	Improvements in or relating to electric signal transmission systems
GB443839A GB524907A (en)	1939-02-10	1939-02-10	Improvements in or relating to wave transmission systems

Publications (1)

Publication Number	Publication Date
FR818700A true FR818700A (en)	1937-10-01

Family

ID=41542904

Family Applications (5)

Application Number	Title	Priority Date	Filing Date
FR818700D Expired FR818700A (en)	1936-03-03	1937-03-03	Improvements to electrical transmission systems
FR833987D Expired FR833987A (en)	1936-03-03	1938-02-18	Improvements to oscillation transmission systems
FR57145D Expired FR57145E (en)	1936-03-03	1946-08-26	Improvements to oscillation transmission systems
FR55162D Expired FR55162E (en)	1936-03-03	1946-08-26	Improvements to oscillation transmission systems
FR54937D Expired FR54937E (en)	1936-03-03	1946-08-26	Improvements to oscillation transmission systems

Family Applications After (4)

Application Number	Title	Priority Date	Filing Date
FR833987D Expired FR833987A (en)	1936-03-03	1938-02-18	Improvements to oscillation transmission systems
FR57145D Expired FR57145E (en)	1936-03-03	1946-08-26	Improvements to oscillation transmission systems
FR55162D Expired FR55162E (en)	1936-03-03	1946-08-26	Improvements to oscillation transmission systems
FR54937D Expired FR54937E (en)	1936-03-03	1946-08-26	Improvements to oscillation transmission systems

Country Status (3)

Country	Link
US (2)	US2158978A (en)
FR (5)	FR818700A (en)
GB (3)	GB476799A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE741788C (en) *	1939-01-20	1943-11-17	Telefunken Gmbh	Circuit arrangement for phase and damping equalization of electrical transmission systems
US2768355A (en) *	1952-05-31	1956-10-23	Bell Telephone Labor Inc	Transmission line with impedancematching terminations
DE2061119B2 (en) *	1970-12-11	1973-09-27	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Adjustable frequency-dependent amplitude equalizer
US4718100A (en) *	1985-03-15	1988-01-05	Brisson Bruce A	High current demand cable
US7446622B2 (en) *	2003-09-05	2008-11-04	Infinera Corporation	Transmission line with low dispersive properties and its application in equalization
JP2007287629A (en) *	2006-04-20	2007-11-01	Sumitomo Electric Ind Ltd	Line width processing method of superconducting wire
AU2009290143A1 (en) *	2008-09-05	2010-03-11	Sato Holdings Corporation	Impedance compensation in an RF signal system

1936
- 1936-03-03 GB GB6483/36A patent/GB476799A/en not_active Expired
1937
- 1937-02-26 US US127924A patent/US2158978A/en not_active Expired - Lifetime
- 1937-03-03 FR FR818700D patent/FR818700A/en not_active Expired
1938
- 1938-02-16 US US190832A patent/US2165838A/en not_active Expired - Lifetime
- 1938-02-18 FR FR833987D patent/FR833987A/en not_active Expired
1939
- 1939-02-10 GB GB4439/39A patent/GB524908A/en not_active Expired
1940
- 1940-06-13 GB GB10280/40A patent/GB541882A/en not_active Expired
1946
- 1946-08-26 FR FR57145D patent/FR57145E/en not_active Expired
- 1946-08-26 FR FR55162D patent/FR55162E/en not_active Expired
- 1946-08-26 FR FR54937D patent/FR54937E/en not_active Expired

Also Published As

Publication number	Publication date
FR57145E (en)	1952-12-15
GB541882A (en)	1941-12-16
US2158978A (en)	1939-05-16
FR55162E (en)	1951-10-02
FR833987A (en)	1938-11-09
FR54937E (en)	1951-04-30
GB476799A (en)	1937-12-03
US2165838A (en)	1939-07-11
GB524908A (en)	1940-08-16

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