Having thus described the invention, what is claimed as new and desired to be secured by Letters Patent is as follows:
1. A computerized system for providing authorization data to a user by which a trigger lock may be removed from a firearm, comprising:
a database of personal identification numbers (PIN’s) associated with a plurality of trigger lock assemblies and a plurality of tokens, wherein each corresponding PIN, trigger lock assembly, and token are associated with a unique identification code; and
a central computer coupled to said database and having a port connected to a wide area computer network, said computer adapted to receive a user supplied identification number and to display a PIN corresponding to said user supplied identification number if a firearm purchaser background check has been successfully completed relative thereto.
2. The system as in claim 1 wherein each trigger lock assembly includes:
a numeric keypad for receiving a manually input PIN from a user; and
comparator circuitry coupled to said keypad for comparing said manually input PIN with a respective PIN associated with the respective trigger lock assembly, said comparator circuitry adapted to generate an actuation signal when said manually input PIN matches said PIN associated with the respective trigger lock assembly.
3. The system as in claim 2 wherein each said token includes a token body and at least one ferro-magnetic wire disposed in said token body, each token having a number or configuration of ferro-magnetic wires different from any other token.
4. The system as in claim 3 wherein each said trigger lock assembly includes:
a housing having a first section and a second section, said first section defining an interior space;
means for releasably coupling said second section to said first section;
a read head mounted in said interior space and being energized upon receiving said actuation signal from said comparator circuitry, said read head adapted to generate a plurality of voltage pulses in response to a switch in magnetic state of said at least one ferro-magnetic wire of one of said plurality of tokens proximately aligned with said read head; and
a processor coupled to said read head for receiving said plurality of voltage pulses, said processor adapted to calculate an actual value indicative of the number and duration of said plurality of output pulses and adapted to compare said actual value with a predetermined value, said processor adapted to deliver a signal to said coupling means when said actual value matches said predetermined value so as to release said second section from said first section of said housing.
5. The system as in claim 4 wherein said coupling means comprises:
a locking bolt pivotally coupled to a back side of said second section and having threaded and unthreaded portions, said locking bolt rotatable between locked and unlocked configurations;
a back side of said first section defining a cavity for selectively receiving said locking bolt; and
a threaded member disposed in said cavity for engaging said threaded portion of said locking bolt at said locked configuration.
6. The system lock as in claim 5 wherein said coupling means includes a solenoid coupled to said locking bolt and electrically connected to said processor when said locking bolt is received in said cavity, said solenoid adapted to impart rotary motion to said locking bolt upon receipt of said release signal from said processor so as to rotate said locking bolt from said locked configuration to said unlocked configuration.
7. The system as in claim 3 wherein each said token body defines an aperture for receiving a key ring therethrough.
8. The system as in claim 4 further comprising a battery power source mounted in said interior space of said first section of said housing and electrically connected to said comparator circuitry and said processor.
9. The system lock as in claim 8 further comprising:
a first light emitting diode mounted on a front side of said first section and electrically connected to said processor, said first light emitting diode being energized for a predetermined period of time by said processor upon a matching of said actual value of said output pulses and said predetermined value; and
a second light emitting diode mounted on a front side of said first section and electrically connected to said battery for indicating low battery power, said second light emitting diode having a color different from a color of said first light emitting diode.
10. The system as in claim 1 wherein each corresponding trigger lock assembly and token are imprinted with said identification number at a point of sale location.
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 lens barrel comprising:
an imaging optical system; and
an image blur correction unit moving a shift lens forming the imaging optical system in a plane perpendicular to an optical axis of the imaging optical system, wherein
the image blur correction unit includes a second movable body holding the shift lens and provided to be movable in two directions perpendicular to each other on a plane perpendicular to the optical axis,
a fixed lens holding frame holding a fixed lens forming the imaging optical system is placed in front of the second movable body, and
a movement control structure is provided in a region ranging from the second movable body to the fixed lens holding frame to allow movement of the second movable body in the two directions and control a range of movement of the second movable body, wherein
a positioning pin is provided in one of the second movable body and the fixed lens holding frame,
a positioning recess having a size sufficient to allow movement of the positioning pin inserted into the positioning recess in the two directions is provided in the other of the second movable body and the fixed lens holding frame, and
the movement control structure is formed by the positioning pin and the positioning recess.
2. A lens barrel according to claim 1, wherein
the lens barrel includes a rear barrel to which an imaging device may be attached,
the image blur correction unit includes a base fixed to the rear barrel, and
the second movable body is supported by the base to be movable in the two directions.
3. A lens barrel according to claim 1, wherein
the lens barrel includes a rear barrel to which an imaging device may be attached,
the image blur correction unit includes a base fixed to the rear barrel,
the second movable body is supported by the base to be movable in the two directions, and
the fixed lens holding frame is supported by the base in front of the second movable body.
4. A lens barrel according to claim 1, wherein
the lens barrel includes a rear barrel to which an imaging device may be attached,
the image blur correction unit includes a base fixed to the rear barrel,
the second movable body is supported by the base to be movable in the two directions,
the fixed lens holding frame is supported by the base in front of the second movable body,
the fixed lens holding frame has a frame with an opening formed holding the fixed lens,
the positioning pin is formed in the second movable body, and
the positioning recess is formed in the frame to open rearward.
5. A lens barrel according to claim 1, wherein
the lens barrel includes a rear barrel to which an imaging device may be attached,
the image blur correction unit includes a base fixed to the rear barrel, and a first movable body supported to be movable relative to the base along a first virtual axis extending on a plane perpendicular to the optical axis,
the second movable body is supported by the first movable body to be movable along a second virtual axis extending perpendicular to the first virtual axis on a plane perpendicular to the optical axis, and
the image blur correction unit includes an actuator moving the second movable body along the first and second virtual axes.
6. A lens barrel according to claim 1, wherein
the lens barrel includes a rear barrel to which an imaging device may be attached,
the image blur correction unit includes a base fixed to the rear barrel,
the second movable body is supported by the base to be movable in the two directions, and
the shift lens is placed in a place closest to the imaging device in optical members forming the imaging optical system.
7. A lens barrel according to claim 1, wherein
the imaging optical system includes one or more lenses provided in front of the shift lens to be movable along the optical axis.
8. A lens barrel according to claim 1, wherein
the lens barrel includes a rear barrel to which an imaging device may be attached,
the image blur correction unit includes a base fixed to the rear barrel,
the second movable body is supported by the base to be movable in the two directions,
the imaging optical system includes one or more lenses provided in front of the shift lens to be movable relative to the rear barrel along the optical axis, and
all or part of the one or more lenses placed in front of the shift lens are formed as a collapsible lens barrel moved between a housed position closest to the imaging device and a protruding position at which the lenses are moved forward from the housed position.
9. A lens barrel according to claim 1, wherein
the imaging optical system has a best optical property in a neutral position that is a center within a range of movement of the shift lens.
10. A lens barrel comprising:
an imaging optical system; and
an image blur correction unit moving a shift lens forming the imaging optical system in a plane perpendicular to an optical axis of the imaging optical system, wherein
the image blur correction unit includes a second movable body holding the shift lens and provided to be movable in two directions perpendicular to each other on a plane perpendicular to the optical axis,
a fixed lens holding frame holding a fixed lens forming the imaging optical system is placed in front of the second movable body, and
a movement control structure is provided in a region ranging from the second movable body to the fixed lens holding frame to allow movement of the second movable body in the two directions and control a range of movement of the second movable body, wherein
the lens barrel includes a rear barrel to which an imaging device may be attached,
the image blur correction unit includes a base fixed to the rear barrel, and a first movable body supported to be movable relative to the base along a first virtual axis extending on a plane perpendicular to the optical axis,
the second movable body is supported by the first movable body to be movable along a second virtual axis extending perpendicular to the first virtual axis on a plane perpendicular to the optical axis, and
the image blur correction unit includes an actuator moving the second movable body along the first and second virtual axes, wherein
the actuator includes a coil attached to the second movable body and a magnet attached to the rear barrel.
11. A lens barrel comprising:
an imaging optical system; and
an image blur correction unit moving a shift lens forming the imaging optical system in a plane perpendicular to an optical axis of the imaging optical system, wherein
the image blur correction unit includes a second movable body holding the shift lens and provided to be movable in two directions perpendicular to each other on a plane perpendicular to the optical axis,
a fixed lens holding frame holding a fixed lens forming the imaging optical system is placed in front of the second movable body, and
a movement control structure is provided in a region ranging from the second movable body to the fixed lens holding frame to allow movement of the second movable body in the two directions and control a range of movement of the second movable body, wherein
a positioning pin is provided in one of the second movable body and the fixed lens holding frame,
a positioning recess having a size sufficient to allow movement of the positioning pin inserted into the positioning recess in the two directions is provided in the other of the second movable body and the fixed lens holding frame,
the movement control structure is formed by the positioning pin and the positioning recess,
a position of the shift lens when the positioning pin is placed in a center of the positioning recess is a neutral position that is a center within a range of movement of the shift lens, and the imaging optical system has a best optical property with the shift lens placed in the neutral position.
12. A lens barrel comprising:
an imaging optical system; and
an image blur correction unit moving a shift lens forming the imaging optical system in a plane perpendicular to an optical axis of the imaging optical system, wherein
the image blur correction unit includes a second movable body holding the shift lens and provided to be movable in two directions perpendicular to each other on a plane perpendicular to the optical axis,
a fixed lens holding frame holding a fixed lens forming the imaging optical system is placed in front of the second movable body, and
a movement control structure is provided in a region ranging from the second movable body to the fixed lens holding frame to allow movement of the second movable body in the two directions and control a range of movement of the second movable body, wherein
a positioning pin is provided in one of the second movable body and the fixed lens holding frame,
a positioning recess having a size sufficient to allow movement of the positioning pin inserted into the positioning recess in the two directions is provided in the other of the second movable body and the fixed lens holding frame,
the movement control structure is formed by the positioning pin and the positioning recess,
the lens barrel includes a rear barrel to which an imaging device may be attached,
the image blur correction unit includes a base fixed to the rear barrel,
the second movable body is supported by the base to be movable in two directions perpendicular to each other on a plane perpendicular to the optical axis,
the fixed lens holding frame is supported by the base in front of the second movable body,
a position of the shift lens when the positioning pin is placed in a center of the positioning recess is a neutral position that is a center within a range of movement of the shift lens, and the base is fixed to the rear barrel so that the imaging optical system has a best optical property with the shift lens placed in the neutral position.