ES452873A1 - Sistema de radiodifusion de television por cable. - Google Patents

Sistema de radiodifusion de television por cable.

Info

Publication number: ES452873A1
Authority: ES; Spain
Prior art keywords: channels; television broadcasting; phase; integer multiple; conductive paths
Prior art date: 1975-10-29
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

ES452873A

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.)

Communications Patents Ltd

Original Assignee

Communications Patents 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.)

1975-10-29

Filing date

1976-10-29

Publication date

1977-11-01

1976-10-29 Application filed by Communications Patents Ltd filed Critical Communications Patents Ltd

1977-11-01 Publication of ES452873A1 publication Critical patent/ES452873A1/es

Status Expired legal-status Critical Current

Links

239000000969 carrier Substances 0.000 abstract 1

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
- H04N7/108—Adaptations for transmission by electrical cable the cable being constituted by a pair of wires
- 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
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/18—Networks for phase shifting
- H03H7/21—Networks for phase shifting providing two or more phase shifted output signals, e.g. n-phase output

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Details Of Television Systems (AREA)

ES452873A 1975-10-29 1976-10-29 Sistema de radiodifusion de television por cable. Expired ES452873A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB44500/75A GB1522033A (en)	1975-10-29	1975-10-29	Wired television broadcasting systems

Publications (1)

Publication Number	Publication Date
ES452873A1 true ES452873A1 (es)	1977-11-01

Family

ID=10433602

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES452873A Expired ES452873A1 (es)	1975-10-29	1976-10-29	Sistema de radiodifusion de television por cable.

Country Status (14)

Country	Link
JP (1)	JPS5284914A (es)
AU (1)	AU503328B2 (es)
BE (1)	BE847710A (es)
CA (1)	CA1099392A (es)
CH (1)	CH595031A5 (es)
DE (1)	DE2648743C2 (es)
ES (1)	ES452873A1 (es)
FR (1)	FR2330235A1 (es)
GB (1)	GB1522033A (es)
IL (1)	IL50784A (es)
IT (1)	IT1121711B (es)
NL (1)	NL7611861A (es)
SE (1)	SE415623B (es)
ZA (1)	ZA766305B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2658030B2 (ja) *	1987-01-30	1997-09-30	ソニー株式会社	情報伝送装置
US4887152A (en) *	1987-01-30	1989-12-12	Sony Corporation	Message delivery system operable in an override mode upon reception of a command signal
GB0516561D0 (en) *	2005-08-12	2005-09-21	Technetix Group Ltd	Signal splitter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2095341A (en) *	1934-06-02	1937-10-12	American Telephone & Telegraph	Electrooptical transmission system
GB780324A (en) *	1954-05-18	1957-07-31	Emi Ltd	Improvements relating to wired electrical signal distributing systems
GB1043232A (en) *	1962-05-25	1966-09-21	Communications Patents Ltd	Improved wired broadcasting systems and apparatus therefor
GB1052251A (es) *	1962-10-22	1966-12-21
GB1252942A (es) *	1968-03-13	1971-11-10
GB1272594A (en) *	1968-08-09	1972-05-03	Communications Patents Ltd	Improvements in and relating to wired broadcasting systems

1975
- 1975-10-29 GB GB44500/75A patent/GB1522033A/en not_active Expired
1976
- 1976-10-22 ZA ZA766305A patent/ZA766305B/xx unknown
- 1976-10-26 NL NL7611861A patent/NL7611861A/xx not_active Application Discontinuation
- 1976-10-27 FR FR7633041A patent/FR2330235A1/fr active Granted
- 1976-10-27 IL IL50784A patent/IL50784A/xx unknown
- 1976-10-27 DE DE2648743A patent/DE2648743C2/de not_active Expired
- 1976-10-28 SE SE7611982A patent/SE415623B/xx unknown
- 1976-10-28 BE BE2055404A patent/BE847710A/xx not_active IP Right Cessation
- 1976-10-28 CA CA264,350A patent/CA1099392A/en not_active Expired
- 1976-10-28 AU AU19110/76A patent/AU503328B2/en not_active Expired
- 1976-10-28 CH CH1357976A patent/CH595031A5/xx not_active IP Right Cessation
- 1976-10-29 ES ES452873A patent/ES452873A1/es not_active Expired
- 1976-10-29 IT IT51967/76A patent/IT1121711B/it active
- 1976-10-29 JP JP12955376A patent/JPS5284914A/ja active Pending

Also Published As

Publication number	Publication date
SE415623B (sv)	1980-10-13
BE847710A (fr)	1977-02-14
FR2330235B1 (es)	1983-11-18
AU1911076A (en)	1978-05-04
IL50784A (en)	1978-08-31
DE2648743C2 (de)	1983-01-20
DE2648743A1 (de)	1977-05-05
SE7611982L (sv)	1977-04-30
IT1121711B (it)	1986-04-23
FR2330235A1 (fr)	1977-05-27
CA1099392A (en)	1981-04-14
GB1522033A (en)	1978-08-23
ZA766305B (en)	1977-09-28
IL50784A0 (en)	1976-12-31
JPS5284914A (en)	1977-07-14
CH595031A5 (es)	1978-01-31
NL7611861A (nl)	1977-05-03
AU503328B2 (en)	1979-08-30

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