Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
48 words
A portable memory device comprising an electrical circuit including an electronic memory (26, 28), two metal plates (12) enclosing and being electrically connected to said electrical circuit, and optical coupling means (38) for transmitting optical signals, which optical signals are representative of information derived from said electrical circuit.
Claim 2
Dependent Claim
48 words
A portable memory device comprising an electrical circuit including an electronic memory (26, 28), two metal plates (12) enclosing and being electrically connected to said electrical circuit, and optical coupling means (38) for transmitting optical signals, which optical signals are representative of information derived from said electrical circuit.
Claim 3
Dependent Claim
28 words
A portable memory device as claimed in claim 1, wherein the device is sufficiently light and suitably sized such that it can be carried easily by a person.
Claim 4
Dependent Claim
37 words
A portable memory device as claimed in claim 1 or 2, wherein stored in said memory is personal financial and/or banking information; and/or personal identification and/or medical information; and/or credits for telephones, transport systems and other services.
Claim 5
Dependent Claim
35 words
A portable memory device as claimed in any preceding claim, further comprising further optical coupling means (36) responsive to optical signals and arranged to couple information derived from said optical signals to said electrical circuit.
Claim 6
Dependent Claim
40 words
A portable memory device as claimed in claim 4, wherein said further optical coupling means comprise one or more infrared receivers (36), and said optical coupling means comprise one or more infrared transmitters (38), such as light emitting diodes (LED's).
Claim 7
Dependent Claim
31 words
A portable memory device as claimed in any preceding claim, wherein said electrical circuit includes a central processing unit (22), and the electronic memory (26, 30) comprises read only memory (ROM).
Claim 8
Dependent Claim
46 words
A portable memory device as claimed in claim 6, wherein said ROM is or includes EPROM or fusible or masked ROM and preferably comprises EEROM, for example, wherein said electronic memory comprises 1 to 2K ROM, 8 to 16K EEROM and 1K or less of RAM.
Claim 9
Dependent Claim
51 words
A portable memory device as claimed in any preceding claim, wherein said electrical circuit is configured as a printed circuit board mounted in a substantially planar body (10), and said two metal plates (12) extend substantially parallel to one another and extend along the top and bottom surfaces of the body.
Claim 10
Dependent Claim
25 words
A portable memory device as claimed in claim 8, wherein said body (10) is made of a plastics material which is transparent to infrared radiation.
Claim 11
Dependent Claim
40 words
A portable memory device as claimed in any preceding claim, wherein orientation means (14) are provided on the device to ensure it is not symmetrical such that it can only be inserted in an appropriate reading device in one orientation.
Claim 12
Dependent Claim
26 words
A portable memory device as claimed in claim 10, wherein said orientation means comprise a recess (14) or projection extending along one dimension of the device.
Claim 13
Dependent Claim
50 words
A portable memory device comprising an electrical circuit including an electronic memory (26, 28), two metal plates (12) enclosing and being electrically connected to said electrical circuit, and optical coupling means (36) responsive to optical signals and arranged to couple information derived from said optical signals to said electrical circuit.
Claim 14
Dependent Claim
50 words
A portable memory device comprising an electrical circuit including an electronic memory (26, 28), two metal plates (12) enclosing and being electrically connected to said electrical circuit, and optical coupling means (36) responsive to optical signals and arranged to couple information derived from said optical signals to said electrical circuit.
Claim 15
Dependent Claim
33 words
An electronic personal identification label which is sufficiently light and suitably sized to be carried about the person, said label incorporating an electronic memory (26, 28) in which personal identification data is stored.
Claim 16
Dependent Claim
33 words
An electronic personal identification label which is sufficiently light and suitably sized to be carried about the person, said label incorporating an electronic memory (26, 28) in which personal identification data is stored.
Claim 17
Dependent Claim
20 words
An electronic personal identification label as claimed in claim 13, wherein identification information is also provided visibly on the label.
Claim 18
Dependent Claim
27 words
An electronic personal identification label as claimed in claim 13 or 14 configured as a portable memory device as claimed in any of claims 1 to 12.