US5774546A — Secure access system utilizing an access card hav…

Claim 1

Independent Claim 79 words

A CATV system comprising: a CATV network; and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, each including: a CATV decoder; and an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including one IC card receptacle which accepts one IC card with two separate integrated circuits embodied within, wherein each of said separate integrated circuits is separately accessed by said IC card reader and writer.

Claim 2

Dependent Claim 79 words

A CATV system comprising: a CATV network; and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, each including: a CATV decoder; and an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including one IC card receptacle which accepts one IC card with two separate integrated circuits embodied within, wherein each of said separate integrated circuits is separately accessed by said IC card reader and writer.

Claim 3

Dependent Claim 52 words

A system according to claim 1 and wherein at least one of said IC card reader and writer and said IC card includes information defining, a plurality of distinct decryption levels for enabling access to information carried in at least one of said two separate integrated circuits embodied within the IC card.

Claim 4

Dependent Claim 46 words

A system according to claim 1 and wherein said IC card reader and writer includes a communicator for providing two way communication between said first integrated circuit and said second integrated circuit to enable at least one of authentication, verification and validation of said IC card.

Claim 5

Dependent Claim 73 words

In a CATV network, wherein CATV transmissions are transmitted to a multiplicity of subscriber units, each including a CATV decoder, a method for accessing data comprising: inserting an IC card, having a first integrated circuit and a second integrated circuit embodied within, into an IC card receptacle forming part of an IC card reader and writer coupled to said CATV decoder; and separately addressing said first integrated circuit and said second integrated circuit.

Claim 6

Dependent Claim 73 words

In a CATV network, wherein CATV transmissions are transmitted to a multiplicity of subscriber units, each including a CATV decoder, a method for accessing data comprising: inserting an IC card, having a first integrated circuit and a second integrated circuit embodied within, into an IC card receptacle forming part of an IC card reader and writer coupled to said CATV decoder; and separately addressing said first integrated circuit and said second integrated circuit.

Claim 7

Dependent Claim 39 words

A method according to claim 4 and comprising the step of providing two way communication between said first integrated circuit and said second integrated circuit to enable at least one of authentication, verification and validation of said IC card.

Claim 8

Dependent Claim 27 words

A method according to claim 4 and wherein said addressing step includes employing a plurality of distinct decryption levels for accessing data stored in said IC card.

Claim 9

Dependent Claim 86 words

A subscriber unit for use with a CATV system comprising a CATV network and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, the subscriber unit comprising: a CATV decoder; an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including one IC card receptacle which accepts one IC card with two separate integrated circuits embodied within, wherein each of said separate integrated circuits is separately accessed by said IC card reader and writer.

Claim 10

Dependent Claim 86 words

A subscriber unit for use with a CATV system comprising a CATV network and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, the subscriber unit comprising: a CATV decoder; an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including one IC card receptacle which accepts one IC card with two separate integrated circuits embodied within, wherein each of said separate integrated circuits is separately accessed by said IC card reader and writer.

Claim 11

Dependent Claim 120 words

In a CATV network, wherein CATV transmissions are transmitted lo a multiplicity of subscriber units, each including a CATV decoder and a television, a method for accessing data comprising: inserting an IC card into an IC card receptacle forming part of an IC card reader and Writer coupled to said CATV decoder; addressing said IC card to enable access to video data stored in a memory embodied in said IC card by communicating any of seeds, keys and access control algorithms from said IC card to said CATV decoder; reading said data stored in said memory; and providing said data to said television, wherein said addressing step includes employing a plurality of distinct decryption levels for decrypting said video data.

Claim 12

Dependent Claim 120 words

In a CATV network, wherein CATV transmissions are transmitted lo a multiplicity of subscriber units, each including a CATV decoder and a television, a method for accessing data comprising: inserting an IC card into an IC card receptacle forming part of an IC card reader and Writer coupled to said CATV decoder; addressing said IC card to enable access to video data stored in a memory embodied in said IC card by communicating any of seeds, keys and access control algorithms from said IC card to said CATV decoder; reading said data stored in said memory; and providing said data to said television, wherein said addressing step includes employing a plurality of distinct decryption levels for decrypting said video data.

Claim 13

Dependent Claim 142 words

A CATV system comprising: a CATV network; and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, each subscriber unit including: a display; a CATV decoder, an IC card reader and Triter- coupled to said CATV decoder, said IC card reader and writer including an IC card receptacle; and an IC card having a memory which includes video data, wherein said video data is retrieved from said memory and provided to said display upon execution of one of an authentication algorithm, a verification algorithm and a validation algorithm in which said IC card communicates any of seeds, keys and access control algorithms to said CATV decoder, wherein at least one of said IC card reader and writer and said IC card includes information defining a plurality of distinct decryption levels for enabling access to said video data.

Claim 14

Dependent Claim 142 words

A CATV system comprising: a CATV network; and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, each subscriber unit including: a display; a CATV decoder, an IC card reader and Triter- coupled to said CATV decoder, said IC card reader and writer including an IC card receptacle; and an IC card having a memory which includes video data, wherein said video data is retrieved from said memory and provided to said display upon execution of one of an authentication algorithm, a verification algorithm and a validation algorithm in which said IC card communicates any of seeds, keys and access control algorithms to said CATV decoder, wherein at least one of said IC card reader and writer and said IC card includes information defining a plurality of distinct decryption levels for enabling access to said video data.

Claim 15

Dependent Claim 88 words

A CATV system comprising: a CATV network; and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, each subscriber unit including a display; a CATV decoder; an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including an IC card receptacle; and an IC card including information defining a plurality of distinct decryption levels and a memory which includes video data, wherein said information is employed to enable access to said video data in said memory.

Claim 16

Dependent Claim 88 words

A CATV system comprising: a CATV network; and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, each subscriber unit including a display; a CATV decoder; an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including an IC card receptacle; and an IC card including information defining a plurality of distinct decryption levels and a memory which includes video data, wherein said information is employed to enable access to said video data in said memory.

Claim 17

Dependent Claim 25 words

A CATV system according to claim 10 and wherein said CATV decoder includes security level data determining the level of encryption of said video data.

Claim 18

Dependent Claim 65 words

A data access system comprising: a processor; an IC card reader and writer, coupled to said processor, and including an IC card receptacle; and an IC card, which is insertable into said IC card receptacle, and having a memory which includes video data to be accessed by said processor, wherein said processor includes security level data determining the level of encryption of said video data.

Claim 19

Dependent Claim 65 words

A data access system comprising: a processor; an IC card reader and writer, coupled to said processor, and including an IC card receptacle; and an IC card, which is insertable into said IC card receptacle, and having a memory which includes video data to be accessed by said processor, wherein said processor includes security level data determining the level of encryption of said video data.

Claim 20

Dependent Claim 29 words

A data access system according to claim 12 and wherein said security level data comprise at least one of seeds, keys and algorithms for decryption of said video data.

Claim 21

Dependent Claim 37 words

A data access system according to claim 12 and wherein at least one of said IC card, and said IC card reader and writer includes security level data determining the level of encryption of said video data.

Claim 22

Dependent Claim 70 words

An IC card for providing access to video data via a device external to the IC card, the IC card comprising: a memory operative to store video data, wherein said IC card includes information defining a plurality of distinct decryption levels for enabling access to said video data, and said video data is retrieved from said memory and provided to said device based at least in part, on said information.

Claim 23

Dependent Claim 70 words

An IC card for providing access to video data via a device external to the IC card, the IC card comprising: a memory operative to store video data, wherein said IC card includes information defining a plurality of distinct decryption levels for enabling access to said video data, and said video data is retrieved from said memory and provided to said device based at least in part, on said information.

Claim 24

Dependent Claim 147 words

A subscriber unit for use with a CATV system comprising a network and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, the subscriber unit comprising a display. a CATV decoder; an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including an IC card receptacle; and an IC card having a memory which includes video data, wherein said video data is retrieved from said memory and provided to said display upon execution of one of an authentication algorithm, a verification algorithm and a validation algorithm in which said IC card communicates any of seeds, keys and access control algorithms to said CATV decoder. wherein at least one of said IC card reader and writer and said IC card includes information defining a plurality of distinct decryption levels for enabling access to said video data.

Claim 25

Dependent Claim 147 words

A subscriber unit for use with a CATV system comprising a network and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, the subscriber unit comprising a display. a CATV decoder; an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including an IC card receptacle; and an IC card having a memory which includes video data, wherein said video data is retrieved from said memory and provided to said display upon execution of one of an authentication algorithm, a verification algorithm and a validation algorithm in which said IC card communicates any of seeds, keys and access control algorithms to said CATV decoder. wherein at least one of said IC card reader and writer and said IC card includes information defining a plurality of distinct decryption levels for enabling access to said video data.

Claim 26

Dependent Claim 94 words

A subscriber unit for use with a CATV system comprising a CATV network and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, the subscriber unit comprising: a display; a CATV decoder; an IC card reader and writer, coupled to said CATV decoder, said IC card reader and Writer including an IC card receptacle; and an IC card including information defining a plurality of distinct decryption levels and a memory which includes video data, wherein said information is employed to enable access to said video data in said memory.

Claim 27

Dependent Claim 94 words

A subscriber unit for use with a CATV system comprising a CATV network and apparatus for transmitting over said CATV network information to a multiplicity of subscriber units, the subscriber unit comprising: a display; a CATV decoder; an IC card reader and writer, coupled to said CATV decoder, said IC card reader and Writer including an IC card receptacle; and an IC card including information defining a plurality of distinct decryption levels and a memory which includes video data, wherein said information is employed to enable access to said video data in said memory.

Claim 28

Dependent Claim 101 words

A data access method for use in a CATV system comprising a CATV network and apparatus for transmitting over said CAT network information to a multiplicity of subscriber units each including a display, a CATV decoder, and an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including an IC card receptacle, the method comprising inserting an IC card including information defining a plurality of distinct decryption levels and a memory which includes video data into said IC card receptacle, and employing said information to enable access to said video data in said memory.

Claim 29

Dependent Claim 101 words

A data access method for use in a CATV system comprising a CATV network and apparatus for transmitting over said CAT network information to a multiplicity of subscriber units each including a display, a CATV decoder, and an IC card reader and writer, coupled to said CATV decoder, said IC card reader and writer including an IC card receptacle, the method comprising inserting an IC card including information defining a plurality of distinct decryption levels and a memory which includes video data into said IC card receptacle, and employing said information to enable access to said video data in said memory.

Claim 30

Dependent Claim 69 words

A data access method comprising: providing a processor including security level data; providing an IC card reader and writer, coupled to said processor, and including an IC card receptacle; inserting an IC card into said IC card receptacle, the IC card having a memory which includes video data to be accessed by said processor; and determining the level of encryption of said video data using said security level data.

Claim 31

Dependent Claim 69 words

A data access method comprising: providing a processor including security level data; providing an IC card reader and writer, coupled to said processor, and including an IC card receptacle; inserting an IC card into said IC card receptacle, the IC card having a memory which includes video data to be accessed by said processor; and determining the level of encryption of said video data using said security level data.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2001-06-29	2001-12-29	2002-06-30	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2005-06-29	2005-12-29	2006-06-30	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2009-06-29	2009-12-29	2010-06-30	$7700.00	Window Closed / Lapsed

Secure access system utilizing an access card having more than one embedded integrated circuit and/or plurality of security levels

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