US5809518A — Command/data transfer protocol for one-wire-bus a…

Claim 1

Independent Claim 107 words

A serial command word, on a one-wire-bus, for facilitating data transfer and power between one of a plurality of types of data modules and an interface unit over a single data conductor and ground connection, comprising: means for resetting one of said data modules to initialize an address pointer; means for identifying a type of data module; and means for specifying whether the type of data transfer between said data module and said interface unit will be at least one of a read data transfer and a write data transfer, said means for resetting, means for identifying and means for specifying being asserted serially on said one-wire-bus.

Claim 2

Dependent Claim 107 words

A serial command word, on a one-wire-bus, for facilitating data transfer and power between one of a plurality of types of data modules and an interface unit over a single data conductor and ground connection, comprising: means for resetting one of said data modules to initialize an address pointer; means for identifying a type of data module; and means for specifying whether the type of data transfer between said data module and said interface unit will be at least one of a read data transfer and a write data transfer, said means for resetting, means for identifying and means for specifying being asserted serially on said one-wire-bus.

Claim 3

Dependent Claim 18 words

The serial command word of claim 1, wherein said resetting means comprises a bit having a binary 1.

Claim 4

Dependent Claim 15 words

The serial command word of claim 1, wherein said resetting means includes a start bit.

Claim 5

Dependent Claim 26 words

The serial command word of claim 1, wherein said identifying means for identifying a type of data module comprises a bit-pair that follows said resetting means.

Claim 6

Dependent Claim 21 words

The serial command word of claim 1, wherein said specifying means comprises a plurality of bits that follow said identifying means.

Claim 7

Dependent Claim 32 words

The serial command word of claim 5, wherein said plurality of bits comprises five bits for initiating an operation selected from the group consisting of a read operation and a write operation.

Claim 8

Dependent Claim 82 words

A one-wire-bus command protocol for effectuating data transfer between a data module and an interface unit without providing memory address over a single conductor and a ground connection, comprising: a first command; a bit-pair following said first command for designating a type of such data module; a second command following said bit-pair; a data stream following said second command, said one-wire-bus command protocol including at least one of a transfer of data and power over said single conductor and a ground conductor.

Claim 9

Dependent Claim 82 words

A one-wire-bus command protocol for effectuating data transfer between a data module and an interface unit without providing memory address over a single conductor and a ground connection, comprising: a first command; a bit-pair following said first command for designating a type of such data module; a second command following said bit-pair; a data stream following said second command, said one-wire-bus command protocol including at least one of a transfer of data and power over said single conductor and a ground conductor.

Claim 10

Dependent Claim 22 words

The one-wire-bus serial command protocol of claim 7, wherein said first command comprises at least one bit for resetting said data module.

Claim 11

Dependent Claim 18 words

The one-wire-bus serial command protocol of claim 7, wherein said second command specifies the type of data transfer.

Claim 12

Dependent Claim 21 words

The one-wire-bus serial command protocol of claim 7, wherein said bit-pair further specifies a memory size present in said data module.

Claim 13

Dependent Claim 17 words

The one-wire-bus serial command protocol of claim 7, wherein said data stream comprises a plurality of bits.

Claim 14

Dependent Claim 17 words

The one-wire-bus serial command protocol of claim 7, wherein said data stream comprises at least 256 bits.

Claim 15

Dependent Claim 15 words

The one-wire-bus serial command protocol of claim 7, wherein said data stream comprises 512 bits.

Claim 16

Dependent Claim 15 words

The one-wire-bus serial command protocol of claim 7, wherein said data stream comprises 768 bits.

Claim 17

Dependent Claim 16 words

The one-wire bus serial command protocol of claim 7, wherein said data stream comprises 1024 bits.

Claim 18

Dependent Claim 89 words

A serial command word used in a one-wire-bus architecture for effectuating a monetary information transfer between a data carrier chip used for the electronic transfer of funds and an interface unit over a single data conductor and a ground, comprising: a first bit field having a first function; a second bit field having a second function and following said first bit field, said second bit field identifies a part number of said data carrier chip; a third bit field having a third function and following said second bit field.

Claim 19

Dependent Claim 89 words

A serial command word used in a one-wire-bus architecture for effectuating a monetary information transfer between a data carrier chip used for the electronic transfer of funds and an interface unit over a single data conductor and a ground, comprising: a first bit field having a first function; a second bit field having a second function and following said first bit field, said second bit field identifies a part number of said data carrier chip; a third bit field having a third function and following said second bit field.

Claim 20

Dependent Claim 20 words

The serial command word of claim 16, wherein said first function is a function that resets said data carrier chip.

Claim 21

Dependent Claim 18 words

The serial command word of claim 16, wherein said second bit field comprises a predetermined number of bits.

Claim 22

Dependent Claim 26 words

The serial command word of claim 16, wherein said third function identifies a type of information transfer between said data carrier chip and said interface unit.

Claim 23

Dependent Claim 22 words

The serial command word of claim 19, wherein said type of information transfer is one of a read and a write operation.

Claim 24

Dependent Claim 91 words

A serial command structure for effectuating electronic transfer of funds between a data carrier chip and an interface unit over a single conductor and a ground conductor, comprising: a command comprising a bit for resetting said data carrier chip; a bit-pair, following said command, for specifying a density of a memory present in said data carrier chip; a first bit field, following said bit-pair, for specifying a type of information transfer between said data carrier chip and said interface unit; a second bit field, following said first bit field, comprising data.

Claim 25

Dependent Claim 91 words

A serial command structure for effectuating electronic transfer of funds between a data carrier chip and an interface unit over a single conductor and a ground conductor, comprising: a command comprising a bit for resetting said data carrier chip; a bit-pair, following said command, for specifying a density of a memory present in said data carrier chip; a first bit field, following said bit-pair, for specifying a type of information transfer between said data carrier chip and said interface unit; a second bit field, following said first bit field, comprising data.

Claim 26

Dependent Claim 15 words

The serial command structure of claim 21, wherein said first bit field comprises five bits.

Claim 27

Dependent Claim 17 words

The serial command structure of claim 21, wherein said second bit field comprises a plurality of bits.

Claim 28

Dependent Claim 17 words

The serial command structure of claim 23, wherein said plurality of bits comprises at least 256 bits.

Claim 29

Dependent Claim 15 words

The serial command structure of claim 23, wherein said plurality of bits comprises 512 bits.

Claim 30

Dependent Claim 15 words

The serial command structure of claim 23, wherein said plurality of bits comprises 768 bits.

Claim 31

Dependent Claim 15 words

The serial command structure of claim 23, wherein said plurality of bits comprises 1024 bits.

Claim 32

Dependent Claim 118 words

A serial command word for effectuating data transfer an a single conductor data bus and a ground connection between a data carrier chip and an interface unit, comprising: a first bit field comprising a single bit having a binary 1 for resetting said data carrier chip; a second bit field comprising a pair of bits following said first bit field, said second bit field asserted on said one-wire-bus, and are for identifying a type of size of said data carrier chip; a third bit field comprising five bits following said second bit field, said third bit field asserted on said one-wire-bus, and are for initiating a data transfer operation between said data carrier chip and said interface unit.

Claim 33

Dependent Claim 118 words

A serial command word for effectuating data transfer an a single conductor data bus and a ground connection between a data carrier chip and an interface unit, comprising: a first bit field comprising a single bit having a binary 1 for resetting said data carrier chip; a second bit field comprising a pair of bits following said first bit field, said second bit field asserted on said one-wire-bus, and are for identifying a type of size of said data carrier chip; a third bit field comprising five bits following said second bit field, said third bit field asserted on said one-wire-bus, and are for initiating a data transfer operation between said data carrier chip and said interface unit.

Claim 34

Dependent Claim 18 words

The serial command word of claim 28, wherein said data transfer operation involves the electronic verification of currency.

Claim 35

Dependent Claim 74 words

A serial command word, on a single conductor data bus and ground connection, for facilitating data transfer between a data module and an interface unit, comprising: an initiating command; a set of select bits which designate a predetermined module type; a read/write portion; said initiating command, said set of select bits and said read/write portion being asserted in a predetermined order on said one-wire-bus said data module being powered by said serial command word.

Claim 36

Dependent Claim 74 words

A serial command word, on a single conductor data bus and ground connection, for facilitating data transfer between a data module and an interface unit, comprising: an initiating command; a set of select bits which designate a predetermined module type; a read/write portion; said initiating command, said set of select bits and said read/write portion being asserted in a predetermined order on said one-wire-bus said data module being powered by said serial command word.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2001-09-14	2002-03-16	2002-09-15	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2005-09-14	2006-03-16	2006-09-15	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2009-09-14	2010-03-16	2010-09-15	$7700.00	Window Closed / Lapsed

Command/data transfer protocol for one-wire-bus architecture

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