CA986616A - Method of enabling a block converter to provide a secure channel - Google Patents

Method of enabling a block converter to provide a secure channel

Info

Publication number
CA986616A
CA986616A CA177835A CA177835A CA986616A CA 986616 A CA986616 A CA 986616A CA 177835 A CA177835 A CA 177835A CA 177835 A CA177835 A CA 177835A CA 986616 A CA986616 A CA 986616A
Authority
CA
Canada
Prior art keywords
enabling
secure channel
block converter
converter
block
Prior art date
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
CA177835A
Other languages
English (en)
Other versions
CA177835S (en
Inventor
Eugene C. Walding
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.)
Oak Industries Inc
Original Assignee
Oak Industries Inc
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.)
Filing date
Publication date
Application filed by Oak Industries Inc filed Critical Oak Industries Inc
Application granted granted Critical
Publication of CA986616A publication Critical patent/CA986616A/en
Expired legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Details Of Television Systems (AREA)
  • Television Systems (AREA)
CA177835A 1973-01-11 1973-07-25 Method of enabling a block converter to provide a secure channel Expired CA986616A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US322852A US3882266A (en) 1973-01-11 1973-01-11 Apparatus for converting selected channels

Publications (1)

Publication Number Publication Date
CA986616A true CA986616A (en) 1976-03-30

Family

ID=23256713

Family Applications (1)

Application Number Title Priority Date Filing Date
CA177835A Expired CA986616A (en) 1973-01-11 1973-07-25 Method of enabling a block converter to provide a secure channel

Country Status (11)

Country Link
US (1) US3882266A (xx)
JP (1) JPS49105413A (xx)
BE (1) BE807507A (xx)
CA (1) CA986616A (xx)
CH (1) CH556124A (xx)
DE (1) DE2401314A1 (xx)
ES (1) ES420129A1 (xx)
FR (1) FR2214221B1 (xx)
GB (1) GB1397856A (xx)
IT (1) IT994473B (xx)
NL (1) NL7317262A (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5173312A (xx) * 1974-12-20 1976-06-25 Matsushita Electric Ind Co Ltd
JPS6036152B2 (ja) * 1976-05-07 1985-08-19 パイオニア株式会社 Ｃａｔｖ用端末装置
US4109280A (en) * 1976-06-28 1978-08-22 Massachusetts Institute Of Technology Television interface device
US4225823A (en) * 1977-02-26 1980-09-30 Nippon Gakki Seizo Kabushiki Kaisha Front end circuits of FM receivers
JPS5539443A (en) * 1978-09-13 1980-03-19 Pioneer Electronic Corp Converter for catv
US4191966A (en) * 1978-10-02 1980-03-04 Rca Corporation CATV block converter
US4272791A (en) * 1979-03-26 1981-06-09 Rifken Jerome C Method and apparatus for video recording
JPS5715522A (en) * 1980-07-03 1982-01-26 Alps Electric Co Ltd Channel selector for catv
FR2530394B1 (fr) * 1982-07-13 1986-05-16 Thomson Csf Dispositif de multiplexage et de demultiplexage de voies video
FR2530906B1 (fr) * 1982-07-23 1986-05-16 Lignes Telegraph Telephon Dispositif de selection en frequence d'informations et reseau de teledistribution utilisant un tel dispositif
US4633513A (en) * 1984-05-31 1986-12-30 Berko Technology Corporation Method and apparatus for converting television signals
FR2566609A1 (fr) * 1984-06-20 1985-12-27 Cedepe Sa Dispositif pour la distribution par cable d'une emission a des recepteurs raccordes a ce cable
EP0231120A3 (en) * 1986-01-29 1989-11-23 Global Technologies Inc. Control and metering system for pay television over a cable network
US5014309A (en) * 1988-03-10 1991-05-07 Scientific-Atlanta, Inc. Off-premises cable television channel interdiction method and apparatus
JPH0243822A (ja) * 1988-08-03 1990-02-14 Toshiba Corp テレビジョンチューナ
SE8803814A0 (sv) * 1988-10-25 1990-04-26 Spacenet Ab Anordning vid betal-TV-system
US5483277A (en) * 1992-12-15 1996-01-09 Alcatel Network Systems Simplified set-top converter for broadband switched network
WO1996009723A1 (en) * 1994-09-22 1996-03-28 Asian Television & Communications International, L.L.C. A system for providing tiered bandwidth expansion and remote authorization capability for a cable television system
US5512963A (en) * 1995-01-05 1996-04-30 Mankovitz; Roy J. Apparatus and methods for providing combining multiple video sources
US6108365A (en) * 1995-05-05 2000-08-22 Philip A. Rubin And Associates, Inc. GPS data access system
US5621793A (en) * 1995-05-05 1997-04-15 Rubin, Bednarek & Associates, Inc. TV set top box using GPS
ES2690755T3 (es) * 2011-09-12 2018-11-22 Televés, S.A. Dispositivo para el rechazo de señales de interferentes de alta frecuencia

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3333198A (en) * 1965-12-29 1967-07-25 Ampli Vision Corp Television converter for catv system
US3562650A (en) * 1967-12-20 1971-02-09 Standard Kollsman Ind Inc Catv system with increased channel capabilities
US3643164A (en) * 1969-11-24 1972-02-15 Anaren Microwave Inc Signal selection apparatus
US3639840A (en) * 1969-11-28 1972-02-01 Spencer Kennedy Lab Inc Multicarrier transmission system
US3730980A (en) * 1971-05-24 1973-05-01 Television Communications Corp Electronic communication apparatus for selectively distributing supplementary private programming

Also Published As

Publication number Publication date
FR2214221B1 (xx) 1977-06-10
IT994473B (it) 1975-10-20
FR2214221A1 (xx) 1974-08-09
ES420129A1 (es) 1976-03-01
JPS49105413A (xx) 1974-10-05
NL7317262A (xx) 1974-07-15
US3882266A (en) 1975-05-06
DE2401314A1 (de) 1974-07-18
GB1397856A (en) 1975-06-18
CH556124A (de) 1974-11-15
BE807507A (fr) 1974-03-15

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