IT1032322B - IMPROVEMENTS RELATING TO CABLE BROADCASTING SYSTEMS - Google Patents

IMPROVEMENTS RELATING TO CABLE BROADCASTING SYSTEMS

Info

Publication number: IT1032322B
Authority: IT; Italy
Prior art keywords: improvements relating; broadcasting systems; cable broadcasting; cable; systems
Prior art date: 1974-03-16

Application number

IT48621/75A

Other languages

Italian (it)

Original Assignee

Communications Patients 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.)

1974-03-16

Filing date

1975-03-14

Publication date

1979-05-30

1975-03-14 Application filed by Communications Patients Ltd filed Critical Communications Patients Ltd

1979-05-30 Application granted granted Critical

1979-05-30 Publication of IT1032322B publication Critical patent/IT1032322B/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17345—Control of the passage of the selected programme
- H04N7/17354—Control of the passage of the selected programme in an intermediate station common to a plurality of user terminals

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Telephonic Communication Services (AREA)
Details Of Television Systems (AREA)
Interface Circuits In Exchanges (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Mobile Radio Communication Systems (AREA)

IT48621/75A 1974-03-16 1975-03-14 IMPROVEMENTS RELATING TO CABLE BROADCASTING SYSTEMS IT1032322B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB11791/74A GB1480749A (en)	1974-03-16	1974-03-16	Wired broadcasting systems

Publications (1)

Publication Number	Publication Date
IT1032322B true IT1032322B (en)	1979-05-30

Family

ID=9992776

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT48621/75A IT1032322B (en)	1974-03-16	1975-03-14	IMPROVEMENTS RELATING TO CABLE BROADCASTING SYSTEMS

Country Status (13)

Country	Link
JP (1)	JPS50133701A (en)
BE (1)	BE826763A (en)
CA (1)	CA1052446A (en)
CH (1)	CH589981A5 (en)
DE (1)	DE2510865C3 (en)
ES (1)	ES435664A1 (en)
FR (1)	FR2264447B1 (en)
GB (1)	GB1480749A (en)
IL (1)	IL46827A (en)
IT (1)	IT1032322B (en)
NL (1)	NL183694B (en)
SE (1)	SE407002B (en)
ZA (1)	ZA751615B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4135157A (en) *	1977-03-28	1979-01-16	Oak Industries Inc.	Pole mounted converter
DE2807986A1 (en) *	1978-02-22	1979-08-30	Hertz Inst Heinrich	SYSTEM FOR INTERACTIVE CABLE TV
CA1142244A (en) *	1979-08-22	1983-03-01	Eric J. Gargini	Wired broadcasting system with subscriber controlled switched programme selection
DE2951512A1 (en)	1979-12-20	1981-07-02	Siemens AG, 1000 Berlin und 8000 München	BROADBAND SWITCHING SYSTEM
FR2515400A1 (en) *	1981-10-26	1983-04-29	Visiodis Sa	FDM system for remote control of surveillance cameras - uses frequency converters at remotely controlled concentrator for transposed base band signals
GB2127257A (en) *	1982-08-17	1984-04-04	Visionhire Cable Limited	Distribution apparatus
DE3301208A1 (en) *	1983-01-15	1984-07-26	ANT Nachrichtentechnik GmbH, 7150 Backnang	Broadband switching network
FI19992812A7 (en) *	1999-12-29	2001-06-30	Helsingin Puhelin Oyj Helsingfors Telefon Abp	Method for increasing the data transmission capacity of a telecommunications network, such as a cable television network

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3073906A (en) *	1959-06-16	1963-01-15	Bell Telephone Labor Inc	Line concentrating telephone system
BE632218A (en) *	1963-05-31
GB1272594A (en) *	1968-08-09	1972-05-03	Communications Patents Ltd	Improvements in and relating to wired broadcasting systems

1974
- 1974-03-16 GB GB11791/74A patent/GB1480749A/en not_active Expired
1975
- 1975-03-12 CH CH311175A patent/CH589981A5/xx not_active IP Right Cessation
- 1975-03-13 IL IL46827A patent/IL46827A/en unknown
- 1975-03-13 CA CA221,995A patent/CA1052446A/en not_active Expired
- 1975-03-13 SE SE7502806A patent/SE407002B/en not_active IP Right Cessation
- 1975-03-13 DE DE2510865A patent/DE2510865C3/en not_active Expired
- 1975-03-14 FR FR7508819A patent/FR2264447B1/fr not_active Expired
- 1975-03-14 IT IT48621/75A patent/IT1032322B/en active
- 1975-03-14 ZA ZA00751615A patent/ZA751615B/en unknown
- 1975-03-14 NL NLAANVRAGE7503107,A patent/NL183694B/en not_active Application Discontinuation
- 1975-03-15 ES ES435664A patent/ES435664A1/en not_active Expired
- 1975-03-17 BE BE154398A patent/BE826763A/en not_active IP Right Cessation
- 1975-03-17 JP JP50031230A patent/JPS50133701A/ja active Pending

Also Published As

Publication number	Publication date
GB1480749A (en)	1977-07-20
FR2264447B1 (en)	1981-07-24
DE2510865A1 (en)	1975-09-18
CA1052446A (en)	1979-04-10
NL183694B (en)	1988-07-18
BE826763A (en)	1975-07-16
IL46827A (en)	1977-07-31
DE2510865B2 (en)	1978-12-14
SE407002B (en)	1979-03-05
ZA751615B (en)	1976-02-25
NL7503107A (en)	1975-09-18
JPS50133701A (en)	1975-10-23
SE7502806L (en)	1975-09-17
ES435664A1 (en)	1976-12-01
DE2510865C3 (en)	1983-11-10
IL46827A0 (en)	1975-05-22
FR2264447A1 (en)	1975-10-10
CH589981A5 (en)	1977-07-29

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