1. An encryption processor that connects externally to a data input and to an output apparatus and which mediates an encrypted communication between the same, the encryption processor comprising:
an encryption interface that connects externally to the data input, to the output apparatus, and to a password input unit;
a password process unit connected to the encryption interface
which receives a password from the password input unit via the encryption interface and
which receives externally inputted data from the data input via the encryption interface and
which encrypts the externally inputted data based on a certain encryption algorithm selected from the password and
which detects an abnormal signal and subsequently deletes encrypted data in response to the detected abnormal signal; and
a memory unit which stores a program corresponding to the encryption algorithm and temporarily stores a data generated during an encryption process,
wherein the above encryption processor, password process unit and memory unit are integrated into one independent chip.
2. An encryption processor comprising:
a video process module which includes:
a second interface for managing a connection to a video data input unit and to a video output apparatus;
a coder for compressing the externally inputted video data into a certain format; and
a decoder for decompressing the compressed video data; and an encryption module which includes:
an encryption interface for managing a connection of an externally connected video data input unit, a password input unit, and the video output apparatus; and
a password process unit
for encrypting video data from the video data input unit via the encryption interface by using a certain encryption algorithm selected by using a password received from the password input unit via the encryption interface, and
for decoding the encrypted video data using a certain decoding algorithm corresponding to the encryption algorithm, and
for detecting an abnormal signal and subsequently deleting encrypted data in response to detecting the abnormal signal,
wherein the encryption processor is integrated into a single independent chip.
3. An encryption processor comprising:
a video process module which includes:
a second interface for managing a connection of an externally connected input unit and an output apparatus,
a video adjusting unit for adjusting a recording environment including a focus, exposure and lighting of an externally received video data, and for adjusting a coder for compressing the video data into a certain format, and
a decoder for decompressing the compressed video data; and an encryption module which includes:
a encryption interface for managing a connection of the input unit, the output apparatus, and a password input apparatus;
a password process unit connected to the encryption interface, the password process unit
for receiving a password from the video process module via the encryption interface,
for encrypting the video data using a certain encryption algorithm by using the received password to select the encryption algorithm,
for detecting an abnormal signal,
for deleting encrypted data in response to detecting the abnormal signal, and
for decoding the encrypted video data using the certain decoding algorithm corresponding to the encryption algorithm based on the received password,
wherein the encryption processor is integrated into one independent chip.
4. An encryption processor comprising:
a video process module which includes:
a second interface for managing a connection of an externally connected input and output apparatus,
a video data generation unit for converting an externally inputted electric signal into a video data,
a video adjusting unit for adjusting a recording environment including a focus, exposure and lighting of the video data, a coder for compressing the video data into a certain format, and
a decoder for decompressing the compressed data; an encryption module which includes:
an encryption interface for managing a connection of an externally connected input and output apparatus of the video process module and for connection to a password input apparatus, and
a password process unit for receiving a password form the password input apparatus,
for selecting a certain encryption algorithm based on the received password,
for encrypting the video data using a certain encryption algorithm and decoding the encrypted video data using a certain decoding algorithm corresponding to the encryption algorithm,
for detecting an abnormal signal, and
for deleting encrypted data in response to detecting the abnormal signal,
wherein the above video process module and encryption module are integrated into one independent chip.
5. An encryption processor comprising:
a video process module which includes:
a second interface for managing a connection of an externally connected input and output apparatus,
a signal compensation unit for removing noise from an externally inputted electric signal and for compensating the inputted electric signal in response to the noise,
a video data generation unit for converting the electric signal into a video data,
a video adjusting unit for adjusting a recording environment including a focus, exposure and lighting of the video data,
a coder for compressing the video data into a certain format, and
a decoder for decompressing the compressed video data; and an encryption module which includes:
an encryption interface for managing the connection of the externally connected input and output apparatus, and for receiving a password from a password input apparatus, and
a password process unit
for receiving a password from a password input apparatus via the encryption interface,
for selecting a certain encryption algorithm based on the received password,
for encrypting the video data using the certain encryption algorithm and
for decoding the encrypted video data using the certain decoding algorithm corresponding to the encryption algorithm,
for detecting an abnormal signal, and
for deleting encrypted data in response to detecting the abnormal signal,
wherein the above video process module and encryption module are integrated into one independent chip.
6. An encryption processor comprising:
a video process module which includes:
a second interface for managing a connection of an externally connected input and output apparatus,
a charge coupled device (CCD) for converting an externally inputted light signal into an electric signal,
a signal compensation unit for removing noise from the electric signal from the CCD and for compensating the noise removed electric signal,
a video data generation unit for converting the noise removed electric signal into a video data,
a video adjusting unit for adjusting a recording environment including a focus, exposure and lighting of the video data by controlling the CCD or the signal compensation unit,
a coder for compressing the video data into a certain format, and
a decoder for decompressing the compressed video data; and an encryption module which includes:
an encryption interface for managing a connection of an externally connected input and output apparatus, and
a password process unit
for receiving a password from a password input apparatus via the encryption interface,
for selecting a certain encryption algorithm based on the received password,
for encrypting the video data using the certain encryption algorithm based on the received password,
for decoding the encrypted video data using the certain decoding algorithm corresponding to the encryption algorithm based on the received password,
for detecting an abnormal signal, and
for deleting encrypted data in response to detecting the abnormal signal,
wherein the above video process module and encryption module are integrated into one independent chip.
7. The apparatus of one among claims 1 through claim 6, further comprising an encryption controller for externally receiving a signal with respect to an operation state of the password process unit and for controlling an operation of the password process unit, wherein the encryption controller is adapted to control a size of a password used for an encryption or an encryption operation mode.
8. The apparatus of one among claim 1 through claim 6, further comprising a communication module for transferring an internally converted data or a generated data through an internally connected communication network.
9. The apparatus of one among claim 1 through claim 6, wherein password process unit detects the externally received abnormal signal and deletes a certain data for a data encryption corresponding to the abnormal signal receipt and an encrypted video data.
10. The apparatus of one among claim 2 through 6, wherein the password is a personal identification number (PIN) password.
11. The apparatus of one among claim 2 through claim 6, wherein the encryption algorithm is selected from the group consisting of Electronic Code Book (EBC), Cipher Block Chaining (CBC), Cipher Feed Back (CFB), and Output Feed Back (OFB).
12. The apparatus of one among claim 2 through claim 6, wherein said password process unit selects an encryption mode selected from the group consisting of Electronic Code Book (EBC), Cipher Block Chaining (CBC), Cipher Feed Back (CFB), Output Feed Back (OFB) when the password process unit uses a plurality of encryption modes.
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. An engine comprising:
a sub-system having a movable element that is moved by an actuator to control flow of a fluid associated with operation of the engine;
the actuator comprising a prime mover and a mechanism coupling the prime mover with the movable element;
the mechanism comprising 1) a first link arranged to be swung about a first axis by the prime mover, 2) a second link arranged to swing about a second axis that is parallel to and spaced from the first axis, 3) a constraint that operatively couples the links to cause swinging of the first link about the first axis to swing the second link about the second axis with a mechanical advantage that changes as the first link swings the second link, and 4) an operative connection from the second link to the moveable element for converting swinging of the second link into movement of the movable element, wherein the constraint that operatively couples the links comprises a slot within one of the first and second links and a guide member connected to the other of the first and second links that guides within the slot.
2. An Exhaust Gas Recirculating (EGR) valve assembly comprising:
a valve movable by an actuator to control flow of a fluid through the EGR valve assembly;
a first gear rotatable about a first axis by the actuator, the first gear including a first set of gear teeth arranged at a constant radius to the first axis;
a second gear including a second set of gear teeth arranged at a constant radius to a second axis about which the second gear turns, the second set of gear teeth in mesh with the first set of gear teeth of the first gear for causing the second part to turn about the second axis, the second gear including a third set of gear teeth comprising teeth extending in succession along an arc described by a radius that increases in one circumferential sense about the second axis;
a third gear rotatable about a third axis and including a fourth set of gear teeth that extend in succession along an arc described by a radius relative to a third axis that decreases in a circumferential sense in correspondence with the increasing radius of the third set of gear teeth of the second gear; and
an operative connection between the third gear and the valve for moving the valve, wherein meshing engagement between the third set of gear teeth and the fourth set of gear teeth extends along the respective arcs such that turning of the second gear about the second axis at a constant speed, causes the third gear to turn about the third axis at a speed, the ratio of which to the constant speed of the second part changes as successive teeth of the third and fourth sets come into mesh.
3. The EGR valve assembly as set forth in claim 2, wherein the third and fourth sets of teeth comprise respective additional teeth that extend along respective arcs described by respective constant radii relative to the respective second and third axes and that mesh when the teeth that extend along respective arcs that are described by respective radii that increase and decrease come out of mesh, thereby causing the second and third gears to cease turning at a variable speed ratio and begin turning at a constant speed ratio.
4. The EGR valve assembly as recited in claim 2 wherein the second and third gears include cooperating limit stops that come into mutual abutment to limit clockwise and counterclockwise turning of both the second and third gears.
5. A valve comprising:
a movable valve element that is moved by an actuator to control flow of a fluid through the valve assembly;
the actuator comprising a prime mover and a mechanism coupling the prime mover with the valve element ;
the mechanism comprising 1) a first part that is turned about a first axis by the prime mover and that comprises a first set of gear teeth arranged at a constant radius to turn about the first axis, 2) a second part comprising a second set of gear teeth arranged at a constant radius to a second axis about which the second part turns and in mesh with the set of gear teeth of the first part for causing the second part to turn about the second axis in response to turning of the first part about the first axis, the second part further comprising a third set of gear teeth comprising teeth extending in succession along an arc described by a radius that, as measured to the second axis, increases in one circumferential sense about the second axis, 3) a third part comprising a fourth set of gear teeth comprising teeth that extend in succession along an arc described by a radius that, as measured to a third axis about which the third part turns, decreases in a circumferential sense in correspondence with the increasing radius of the third set of teeth of the second part, and 4) an operative connection from the third part to the valve element for converting turning of the third part into movement of the valve element,
wherein the teeth of the third and fourth sets that extend along the respective arcs are arranged to have a mutual meshing association that, with the second part turning about the second axis at a constant speed, causes the third part to turn about the third axis at a speed, the ratio of which to the constant speed of the second part changes as successive teeth of each respective set come into mesh.
6. A valve as set forth in claim 5 wherein the third and fourth sets of teeth comprise respective additional teeth that extend along respective arcs described by respective constant radii relative to the respective second and third axes and that begin to mesh when the teeth that extend along respective arcs that are described by respective radii that increase and decrease come out of mesh, thereby causing the second and third parts to cease turning at a variable speed ratio turn and instead turn at a constant speed ratio.
7. A valve as set forth in claim 5 wherein the second and third parts comprise cooperating limit stops that come into mutual abutment to limit clockwise and counterclockwise turning of both the second and third parts.
8. A valve as set forth in claim 7 wherein the third part comprises a wall having a radially outward facing face at one end of the fourth set of teeth, the second part comprises a wall having a face that is disposed radially outward of the third set of teeth at one end of the third set of teeth, and the respective wall faces are arranged to define one of the limit stops by mutual abutment.
9. A valve as set forth in claim 8 wherein the wall of the second part comprises a further face that is disposed radially outward of the third set of teeth at the other end of the third set of teeth and is arranged to define the other limit stop by mutual abutment with the flank of the last tooth at the other end of the fourth set of teeth.
10. A combustion engine comprising:
a sub-system having a movable element that is moved by an actuator to control flow of a fluid associated with operation of the engine;
the actuator comprising a prime mover and a mechanism coupling the prime mover with the movable element;
the mechanism comprising 1) a first part that is turned about a first axis by the prime mover and that comprises a first set of gear teeth arranged at a constant radius to turn about the first axis, 2) a second part comprising a second set of gear teeth arranged at a constant radius to a second axis about which the second part turns and in mesh with the set of gear teeth of the first part for causing the second part to turn about the second axis in response to turning of the first part about the first axis, the second part further comprising a third set of gear teeth comprising teeth extending in succession along an arc described by a radius that, as measured to the second axis, increases in one circumferential sense about the second axis, 3) a third part comprising a fourth set of gear teeth comprising teeth that extend in succession along an arc described by a radius that, as measured to a third axis about which the third part turns, decreases in a circumferential sense in correspondence with the increasing radius of the third set of teeth of the second part, and 4) an operative connection from the third part to the moveable element for converting turning of the third part into movement of the movable element,
wherein the teeth of the third and fourth sets that extend along the respective arcs are arranged to have a mutual meshing association that, with the second part turning about the second axis at a constant speed, causes the third part to turn about the third axis at a speed, the ratio of which to the constant speed of the second part changes as successive teeth of each respective set come into mesh.
11. A combustion engine as set forth in claim 1 wherein the sub-system is an EGR sub-system and the movable element is the valve element of an EGR valve.
12. A combustion engine as set forth in claim 10 wherein the third and fourth sets of teeth comprise respective additional teeth that extend along respective arcs described by respective constant radii relative to the respective second and third axes and that begin to mesh when the teeth that extend along respective arcs that are described by respective radii that increase and decrease come out of mesh, thereby causing the second and third parts to cease turning at a variable speed ratio turn and instead turn at a constant speed ratio.
13. A combustion engine as set forth in claim 12 wherein the second and third parts comprise cooperating limit stops that come into mutual abutment to limit clockwise and counterclockwise turning of both the second and third parts.
14. A combustion engine as set forth in claim 13 wherein the third part comprises a wall having a radially outward facing face at one end of the fourth set of teeth, the second part comprises a wall having a face that is disposed radially outward of the third set of teeth at one end of the third set of teeth, and the respective wall faces are arranged to define one of the limit stops by mutual abutment.
15. A combustion engine as set forth in claim 14 wherein the wall of the second part comprises a further face that is disposed radially outward of the third set of teeth at the other end of the third set of teeth and is arranged to define the other limit stop by mutual abutment with the flank of the last tooth at the other end of the fourth set of teeth.