Author: claimsbot

What is claimed is:

1. A domestic electrical apparatus, comprising:
a controller unit including communication means with an outside, operating means, and data processing means,
wherein said controller unit further includes a cryptographic processing unit for utilizing information as a part or a whole of a cryptographic key for an information communication performed by said communication means, said information having a one-to-one correspondence relationship with an appliance number that is specific to said domestic electrical apparatus.
2. A domestic electrical apparatus as claimed in claim 1, wherein, when said appliance number is utilized as said part of said cryptographic key, remainder of said cryptographic key is information that has a one-to-one correspondence relationship with code information for specifying a manufacturing maker of said domestic electrical apparatus.
3. A domestic electrical apparatus as claimed in claim 1, wherein said cryptographic processing unit converts information data to be sent, into encrypted data by using said cryptographic key, and decrypts received data back to information data by using said cryptographic key.
4. A domestic electrical apparatus as claimed in claim 3, wherein
said communication means is connectable to an Echonet implemented for a power line carrier communication; and
said data processing means is controllable to service providing parties on a wide area network from said Echonet via a gateway.
5. A domestic electrical apparatus as claimed in claim 3, wherein said data processing means is controllable to send provision of a service along with a user ID to service providing parties on a wide area network via said communication means, said service being specified by an operation performed by said operating means.
6. A domestic electrical apparatus as claimed in claim 4, wherein said controller unit includes an authenticating unit for executing an authentication of an operating party for said operating means.
7. A domestic electrical apparatus as claimed in claim 4, wherein said controller unit stores information for supporting said operation performed by said operating means for requesting said service provision, and further includes a database made accessible from said data processing means.
8. A domestic electrical apparatus as claimed in claim 4, wherein said data processing means has a controlling function for selecting a superior service providing party by considering a price-to-service ratio with respect to said service specified from said operating means.
9. A domestic electrical apparatus as claimed in claim 4, wherein said controller unit further includes a life-reaction processing unit for detecting presence or absence of a life-reaction on a basis of an interval between operations toward said domestic electrical apparatus to be capable of making an abnormality report via said communication means on a basis of a judgement that there exists no life-reaction.
10. A domestic electrical apparatus as claimed in claim 4, wherein said controller unit further includes a failure detection processing unit that is capable of making a failure report via said communication means when said domestic electrical apparatus is judged to fail.
11. A domestic electrical apparatus as claimed in claim 3, wherein said controller unit further includes an energy-saving processing unit for controlling said domestic electrical apparatus into a working state that is suitable for a set-up environment of said domestic electrical apparatus.
12. A domestic electrical apparatus as claimed in claim 3, wherein said operating means performs said transmissionreception of said information with said data processing means via a power-saved wireless or infrared ray.
13. A subscriber registering method of registering, as a service requester, a purchaser of a domestic electrical apparatus into a computer apparatus of a service provider for providing a predetermined service to said purchaser, comprising the processings of:
inputting an appliance number specific to said domestic electrical apparatus that said purchaser purchases;
acquiring a cryptographic key having a one-to-one correspondence relationship with said inputted appliance number; and
registering said acquired cryptographic key as one of subscriber information on said service requester,
wherein, in performing service provision to said subscriber, information to be provided to said subscriber is encrypted using said cryptographic key, and information provided from said subscriber is decrypted using said cryptographic key.
14. A subscriber registering method as claimed in claim 13, wherein said processing of acquiring said cryptographic key includes a processing of presenting said appliance number to a computer apparatus that a manufacturing maker of said domestic electrical apparatus manages, and a processing of receiving said cryptographic key returned in response to said presented appliance number.
15. An order receiving method by which a host apparatus connected to a terminal apparatus via a network receives an order from said terminal apparatus, comprising the processings of:
making reference to a database in which cryptographic keys are registered in being caused to correspond to user IDs, said cryptographic keys being caused to be related in a one-to-one manner to appliance numbers specific to domestic electrical apparatuses onto which terminal apparatuses are integrated, to retrieve a cryptographic key corresponding to a user ID from said terminal apparatus;
decrypting, using said retrieved cryptographic key, order data from said terminal apparatus to receive said order; and
encrypting, using said retrieved cryptographic key, confirmation data for confirming said received order.
16. An order receiving method as claimed in claim 15, further comprising a processing of setting an upper-limit of a price for said order from said terminal apparatus to limit reception of said order up to said upper-limit.
17. An order receiving method as claimed in claim 15, wherein said host apparatus performs a processing of sending order-reception information to a dealing party for performing dispatch of an order-received commodity or fulfillment of an order-received service.
18. An order receiving method as claimed in claim 15, wherein said host apparatus performs a processing of sending order-reception information to a settlement institution for settling a price for a received order.
19. An order receiving method as claimed in claim 15, wherein said host apparatus performs a processing of providing in advance order-receivable contents to a plurality of terminal apparatuses as a transaction guide.
20. An order receiving method as claimed in claim 15, wherein said host apparatus performs a processing of studying order-received contents on each user ID basis, and of providing order-receivable transaction contents, which satisfy a taste predicted from result of said study, to said terminal apparatus of said user ID as a transaction guide.
21. A data processing system comprising a host apparatus connectable to a terminal apparatus via a network, wherein
said host apparatus includes a database in which cryptographic keys are registered in being caused to correspond to user IDs, said cryptographic keys being caused to be related in a one-to-one manner to appliance numbers specific to domestic electrical apparatuses onto which terminal apparatuses are integrated,
said host apparatus retrieves, from said database, a cryptographic key corresponding to a user ID that accompanies a transaction request from said terminal apparatus, and
said host apparatus decrypts, using said retrieved cryptographic key, information data sent from said terminal apparatus, and encrypts, using said retrieved cryptographic key, information data to be sent to said terminal apparatus, thereby receiving said transaction request from said terminal apparatus.
22. A data processing system as claimed in claim 21, further comprising a fulfillment side terminal apparatus for inputting transaction request contents to cause said contents to be fulfilled, said transaction request contents being received from said terminal apparatus by said host apparatus.
23. A data processing system as claimed in claim 21, further comprising a price-settlement side terminal apparatus for inputting transaction request contents to cause a price for said request to be settled, said transaction request contents being received from said terminal apparatus by said host apparatus.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

We claim:

1. A method of producing a nuclear fuel sintered body, which comprises:
producing a powder containing a fissile heavy metal oxide, the powder comprising a sinter-active heavy metal oxide powder obtained predominantly from a dry-chemical conversion process;
adding a dopant to the powder for increasing a grain size and a plasticity of the sintered body, the dopant containing an iron compound and being added such that a proportion by weight of the iron compound in relation to a proportion by weight of the heavy metal oxide in the nuclear fuel sintered body is at least 100 ppm; and
sintering to form the nuclear fuel sintered body.
2. The method according to claim 1, wherein the fissile heavy metal oxide contains a material selected from the group consisting of an oxide of a heavy metal selected from the group consisting of uranium, plutonium, and thorium and a compound of a heavy metal selected from the group.
3. The method according to claim 1, wherein the fissile heavy metal oxide contains at least one oxide selected from the group consisting of UO2, PuO2, and ThO2.
4. The method according to claim 1, which comprises producing the powder to contain a U3O8 powder obtained by oxidation of a UO2 powder obtained from a direct conversion process (e.g., dry-chemical).
5. The method according to claim 1, which comprises producing the powder with finely dispersed particles of a size of substantially 1-1000 m.
6. The method according to claim 1, which comprises producing the powder with finely dispersed particles of a size of substantially on average 50 m to 150 m.
7. The method according to claim 1, which comprises producing the powder with crystallites of a size of substantially 50-500 nm.
8. The method according to claim 1, which comprises producing the powder with crystallites of a size of substantially on average 150 nm to 350 nm.
9. The method according to claim 1, which comprises further treating the powder with at least one processing step selected from the group consisting of homogenizing and milling.
10. The method according to claim 1, which comprises further treating the powder with at least one processing step selected from the group consisting of pre-compacting and granulating.
11. The method according to claim 1, which comprises pressing the powder to form shaped compacts prior to the sintering step.
12. The method according to claim 1, wherein the dopant contains an iron oxide compound.
13. The method according to claim 1, wherein the dopant contains at least one iron oxide compound selected from the group consisting of FeO, Fe2O3, Fe3O4, Fe(OH)2, and Fe(OH)3.
14. The method according to claim 1, wherein the dopant contains a chromium compound selected from the group consisting of Cr2O3 and CrO3.
15. The method according to claim 1, wherein the dopant contains at least one compound selected from the group consisting of silicon compound and silicate compound.
16. The method according to claim 1, wherein the dopant contains a compound selected from the group consisting of silicon oxide, iron silicate, and magnesium silicate.
17. The method according to claim 1, wherein the dopant contains a compound of an element selected from the group consisting of magnesium, niobium, titanium, aluminum, vanadium, platinum, and oxides thereof.
18. The method according to claim 1, which comprises adding the dopant in a quantity leading to a microstructure of the nuclear fuel sintered body with a grain dimension substantially of more than 8 m.
19. The method according to claim 1, which comprises adding the dopant in a quantity leading to a microstructure of the nuclear fuel sintered body with a grain dimension in a range from substantially 10 m to substantially 25 m.
20. The method according to claim 1, which comprises adding the dopant in a quantity resulting in a given plasticity of the nuclear fuel sintered body, the given plasticity being characterized by a moderate creep of the sintered body at temperatures of between 1100 C. and 1700 C. and pressures of substantially 70-160 Nmm2.
21. The method according to claim 1, which comprises adding the dopant in a quantity resulting in a given plasticity of the nuclear fuel sintered body, the given plasticity being characterized by a moderate creep of the sintered body at a temperature substantially around 1200 C. and at pressures of substantially 70-90 Nmm2.
22. The method according to claim 1, which comprises adding the dopant in an amount exceeding an amount of the dopant that is soluble in a lattice of the heavy metal oxide.
23. The method according to claim 1, which comprises adding the dopant in an amount of between 100 ppm and 5000-6000 ppm.
24. The method according to claim 1, which comprises adding the dopant in an amount of between 550 ppm and 3000 ppm.
25. The method according to claim 1, which comprises adding the dopant in an amount of between 750 ppm and 2000 ppm.
26. The method according to claim 1, which comprises adding the dopant to the powder in a step involved in a production andor a further treatment of the powder.
27. The method according to claim 1, which comprises adding the dopant to the powder prior to a granulation step.
28. The method according to claim 1, which comprises adding the dopant in powder form having a particle size substantially of less than 5 m.
29. The method according to claim 1, which comprises adding the dopant in powder form having a particle size substantially of less than 2 m.
30. The method according to claim 1, which comprises adding a further dopant to the powder, the further dopant containing at least one compound of a substance selected from the group consisting of zirconium, cerium, yttrium, lanthanum, ytterbium, cesium, calcium, all further subgroup elements, lanthanide elements, and actinide elements, and an oxide thereof.
31. The method according to claim 1, which comprises adding to the powder a neutron poison.
32. The method according to claim 1, which comprises adding to the powder at least one neutron poison selected from the group consisting of a gadolinium compound, a boron compound, and an erbium compound.
33. The method according to claim 1, which comprises adding to the powder a lubricant.
34. The method according to claim 33, wherein the lubricant is a substance selected from the group consisting of stearate compounds, stearic acid, amide compounds, glycol compounds, and paraffin compounds.
35. The method according to claim 1, which comprises adding to the powder a pore-forming agent.
36. The method according to claim 35, wherein the pore-forming agent is a substance selected from the group consisting of ammonium salts, ammonium carbonates, acetate compounds, oxalate compounds, and sugar starch.
37. The method according to claim 1, wherein the sintering step comprises sintering the powder substantially at temperatures of between 1500 C. and 1900 C. and in an atmosphere having a pressure substantially at standard pressure for a duration of between 2 and 8 hours.
38. The method according to claim 1, wherein the sintering step comprises sintering the powder to approximately 93-98.5% of a theoretical density thereof.
39. The method according to claim 1, wherein the sintering step comprises sintering the powder in a reducing inert gas atmosphere.
40. The method according to claim 39, which comprises, during the sintering step, setting an oxygen partial pressure of the inert gas atmosphere such that U3O8 fractions of the powder are reduced to form UO2 fractions of the powder.
41. The method according to claim 39, which comprises setting an oxygen partial pressure of the inert gas atmosphere to avoid a reduction of the iron oxide fractions of the powder to form iron fractions of the powder.

1. A method of transaction data transfer, comprising:
providing a magnetically encodable medium;
encoding said medium with data relating to at least one transaction at a first location to produce first encodings, said data including at least one user-supplied annotation;
wherein said act of encoding further comprises using an optical recognition algorithm to read a hand-written one of said at least one annotation;
disposing the medium at a second location;
reading at least a portion of said first encodings at said second location to obtain at least portions of said data; and
processing said at least portions of data.
2. The method of claim 1, wherein said act of processing comprises:
analyzing said at least one annotation; and
storing at least portions of said transaction data in at least one storage location based at least in part on said act of analyzing.
3. A method of transaction data transfer, comprising:
providing an encodable medium;
encoding said medium with first data relating to at least one transaction at a first location to produce first encodings, said data including at least one first user-supplied annotation;
printing a receipt, said receipt comprising said first encodings;
disposing the receipt at a second location; and
encoding said receipt with second data relating to at least one other transaction to produce second encodings, said second data including at least one second user-supplied annotation.
4. The method of claim 3, further comprising disposing said receipt at a third location and selectively reading one or both of said first and second encodings.
5. The method of claim 3, further comprising reading at least a portion of said first andor second encodings at a third location to obtain at least portions of said data; and
processing at least portions of said first andor second read encodings.
6. The method of claim 5, wherein said act of processing comprises:
analyzing said at least one annotation; and
storing at least portions of said transaction data in at least one storage location based at least in part on said act of analyzing.
7. Method of transaction data processing, comprising:
providing a plurality of transaction data;
partitioning said data into two or more parts; and
encoding said two or more parts into two or more symbolic representations of said data parts.
8. The method of claim 7, further comprising:
subsequently decoding said two or more symbols to obtain said two or more parts; and
reassembling said two or more parts back into said plurality of transaction data.
9. The method of claim 7, wherein said act of providing comprises providing a plurality of transaction data including at least one user-provided annotation.
10. The method of claim 9, wherein said act of partitioning comprises partitioning said at last one annotation into a first of said two or more parts; and
partitioning the remainder of said transaction data into a second portion of said two or more parts.
11. The method of claim 7, wherein said two or more symbols are dataforms.
12. A method of transaction data transfer, comprising:
encoding a plurality of data relating to at least one transaction at a first location to produce first at least one data packet, said at least one data packet including at least one user-supplied annotation;
transmitting said at least one data packet to a remote entity adapted for at least temporary storage thereof;
downloading said at least one data packet to a second location; and
decoding said at least one data packet, including said at least one annotation;
wherein said act of encoding comprises:
partitioning said data into two or more parts; and
encoding said two or more parts into two or more symbolic representations of said data parts.
13. The method of claim 12, wherein said two or more symbols are dataforms.
14. A method of transaction data transfer, comprising:
providing a magnetically encodable medium;
encoding said medium with data relating to at least one transaction at a first location to produce first encodings, said data including at least one user-supplied annotation;
disposing the medium at a second location;
reading at least a portion of said first encodings at said second location to obtain at least portions of said data; and
processing said at least portions of data;
wherein said act of encoding comprises:
partitioning said data into two or more parts; and
encoding said two or more parts into two or more symbolic representations of said data parts; and

wherein said act of encoding said at least one user-supplied annotation comprises:
receiving user input via an input device;
converting said input to computer readable data; and
encoding said computer readable data onto said medium.
15. The method of claim 14, wherein said two or more symbols are dataforms.
16. A method of transaction data transfer, comprising:
encoding a plurality of data relating to at least one transaction at a first location to produce at least one data packet, said at least one data packet including at least one user-supplied annotation, said act of encoding further comprising using an optical recognition algorithm to read a hand-written one of said at least one annotation;
transmitting said at least one data packet to a remote entity adapted for at least temporary storage thereof;
downloading said at least one data packet to a second location; and
decoding said at least one data packet, including said at least one annotation.
17. The method of claim 16, further comprising processing the at least one decoded annotation, said processing comprising associating at least one portion of said decoded annotation to at least one category within a database in data communication with said second location.
18. The method of claim 16, wherein said act of encoding comprises selectively encoding only non-sensitive transaction data.
19. The method of claim 16, wherein said act of transmitting comprises transmitting said at least one packet to an e-mail account.
20. A method of transaction data transfer, comprising:
a step for encoding a plurality of data relating to at least one transaction at a first location to produce first at least one data packet, said at least one data packet including at least one user-supplied annotation;
a step for optically recognizing a hand-written one of said at least one annotation;
a step for transmitting said at least one data packet to a remote entity, said remote entity having means for storage of said at least one data packet;
a step for downloading said at least one data packet to a second location; and
a step for decoding said at least one data packet, including said at least one annotation.
21. A method of transaction data processing, comprising:
providing an encodable medium;
encoding said medium with first data relating to at least one transaction at a first location to produce first encodings, said first encodings comprising an encoded dataform; and
providing said encoded medium to a purchaser, said purchaser being able to retrieve said first data relating to said at least one transaction at a second location.
22. The method of claim 21, wherein said act of retrieving requires an authorized scanning device, said scanning device adapted to access a secure database record.
23. The method of claim 22, wherein said encoded dataform comprises a linear barcode.
24. The method of claim 22, wherein said encoded dataform comprises a matrix barcode.
25. The method of claim 24, wherein said encoded medium further comprises a human readable version of said first data relating to at least one transaction at said first location.
26. The method of claim 21, wherein said first data further comprises a hand-written annotation by said purchaser, said hand-written annotation being encoded using an optical recognition algorithm.
27. The method of claim 26, further comprising a second algorithm, said second algorithm adapted to compare said hand-written annotation against a preset list of words, thereby allowing the characterization of said hand-written annotation to a predefined category of transaction.
28. A method of transaction data processing, comprising:
providing a magnetically encodable medium;
encoding said medium with data relating to at least one transaction to produce first encodings, said data including at least one user-supplied annotation; and
wherein said act of encoding said at least one user-supplied annotation comprises:
reading a hand-written annotation using an optical recognition algorithm;
converting said hand-written annotation into computer readable data; and
encoding said medium with said computer readable data.
29. The method of claim 28, further comprising reading at least a portion of said first encodings at a second location to obtain at least portions of said data.
30. The method of claim 29, wherein said computer readable user-supplied annotation is compared against a preset list of words, said preset list of words being useful to categorize said user-supplied annotation.
31. The method of claim 29, wherein said act of encoding comprises selectively encoding only non-sensitive transaction data.
32. The method of claim 29, wherein said act of reading requires decoding said first encodings, said act of decoding being performed by an authorized scanning device having access to a secure database.
33. A method of transaction data processing, comprising:
encoding a plurality of data relating to at least one transaction at a first location to produce at least one data packet, said at least one data packet including at least one user-supplied annotation;
storing said at least one data packet on a storage medium and generating a transaction record locator number which identifies said at least one data packet;
transmitting said transaction record locator number to a remote entity adapted for at least temporary storage thereof; and
downloading said at least one data packet at a second location based at least in part on said transaction record locator number.
34. The method of claim 33, wherein said act of encoding comprises using an optical recognition algorithm to read a hand-written one of said at least one annotation.
35. The method of claim 33, wherein said act of transmitting occurs using a wireless protocol.
36. The method of claim 35, wherein said remote entity is a PDA.
37. The method of claim 35, wherein said remote entity is a cellular telephone.
38. The method of claim 33, wherein said remote entity is a printer, said printer adapted to print said transaction record locator number as a dataform.
39. The method of claim 33, further comprising processing the at least one user-supplied annotation, said processing comprising associating at least one portion of said annotation to at least one category within a database in data communication with said second location.
40. The method of claim 33, wherein said act of encoding comprises selectively encoding only non-sensitive transaction data.
41. The method of claim 33, wherein said act of transmitting comprises transmitting said transaction record locator number to an e-mail account.
42. Method of transaction data processing, comprising:
providing a plurality of transaction data;
analyzing said plurality of transaction data;
selectively partitioning said data into two or more parts based at least in part on said act of analyzing; and
encoding said two or more parts into two or more dataforms.
43. The method of claim 42, further comprising:
subsequently decoding said two or more dataforms; and
reassembling said two or more parts back into said plurality of transaction data.
44. The method of claim 42, wherein said act of providing comprises providing a plurality of transaction data including at least one user-provided annotation.
45. The method of claim 44, wherein said act of partitioning comprises partitioning said at last one annotation into a first of said two or more parts; and
partitioning the remainder of said transaction data into a second portion of said two or more parts.
46. The method of claim 42, wherein said two or more dataforms are linear barcodes.
47. The method of claim 42, wherein said two or more dataforms are matrix barcodes.
48. The method of claim 42, wherein said act of selectively partitioning is in response to exceeding the storage capacity of a single one of said dataforms.
49. The method of claim 42, further comprising joining said two or more dataforms back into a single transaction set.
50. A method of transaction data processing, comprising:
encoding a plurality of data relating to at least one transaction at a first location to produce at least one data packet, said at least one data packet including at least one user-supplied annotation;
storing said at least one data packet on a storage medium and generating a transaction record locator dataform which identifies said at least one data packet;
printing said transaction record locator dataform; and
downloading said at least one data packet at a second location using said transaction record locator dataform.
51. A method of transaction data processing, comprising:
providing an encodable medium and a plurality of transaction data;
partitioning said data into two or more parts;
encoding said two or more parts into two or more symbols;
encoding said medium with said two or more symbols at a first location; and
providing said encoded medium to a purchaser, said purchaser being able to retrieve said plurality of transaction data at a second location using said encoded medium.
52. A method of transaction data processing, comprising:
encoding a plurality of data relating to at least one transaction at a first location to produce at least one data packet, said at least one data packet including at least one user-supplied annotation, said act of encoding further comprising using an optical recognition algorithm to read a hand-written one of said at least one annotation; and
transmitting said at least one data packet to a remote entity adapted for at least temporary storage thereof, said remote entity further being adapted for downloading said at least one data packet to a second location and decoding said at least one data packet, including said at least one annotation.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A bicycle gear mechanism, comprising a derailleur (10), associable to a bicycle frame, predisposed to translate a drive chain (11) between at least two gears (12) rotating about a rotation axis (y), the derailleur (10) being on command mobile in rotation about a main axis (x) with respect to the bicycle frame between at least two angular positions, in each of which positions the drive chain (11) enmeshes with a gear (12), the derailleur (10) being mobile in rotation in one direction by action of a cable (14) which is caused to exert a traction force on the derailleur (10), and being mobile in another direction by action of the cable (14) which is on command caused to release a traction on the derailleur (10), wherein the gear mechanism comprises a retaining device (2) which in absence of a command is predisposed to keep the derailleur (10) in one of at least two positions, the retaining device (2) comprising a fixed portion and a mobile portion, the fixed portion being associable to the bicycle frame solidly in rotation about the main axis (x) of the derailleur (10), the mobile portion being solidly associable to the derailleur (10); the fixed portion, at the at least two angular positions of the derailleur (10), removably connecting to the mobile portion.
2. The gear change mechanism of claim 1, wherein the mobile portion, associable to the derailleur (10), comprises a cylindrical sector (3) which is coaxial to the main axis (x) of the derailleur (10), which cylindrical sector bears at least two chambers (4) on a lateral surface thereof.
3. The gear change mechanism of claim 2, wherein the fixed portion, solidly associable to the bicycle frame, comprises a shaped element (5) which is mobile internally of an elongate housing (6) which is open at an end thereof which is proximal to the lateral surface of the cylindrical sector (3), elastic means being arranged internally of the housing (6) in order to push the shaped element (5) into contact with the lateral surface of the cylindrical sector (3).
4. The gear change mechanism of claim 3, wherein the shaped element (5) is defined by a sphere, the elastic means being defined by a flat spring (8) which at an end thereof is placed in contact with the sphere.
5. The gear change mechanism of claim 1, wherein the derailleur (10) comprises a hook portion (18), solidly associable to the bicycle frame, and a connecting portion (17) which rotates with respect to the hook portion (18) about a second rotation axis (z), wherein the housing (6) is made in an appendage (16) of the connecting portion (17), the flat spring (8) being arranged parallel to the housing (6), the flat spring (8) being constrained at an end thereof to the appendage (16) of the connecting portion (17), being constrained at another end thereof being placed in contact with the shaped element (5) in order to exert a force on the shaped element (5) which force is directed radially with respect to the cylindrical sector (3).
6. The gear change mechanism of claim 5, wherein the appendage (16) is slidable with respect to the connecting portion (17) both in a nearing and in a distancing direction with respect to a winding direction of the cable (14) onto the cylindrical sector (3).
7. The gear change mechanism of claim 1, wherein the cylindrical sector (3) exhibits, on a lateral surface thereof, a channel which develops coaxially to the cylindrical sector (3), the channel being predisposed to receive at least a tract of the cable (14).