1460731041-9235089f-c84e-48ca-897d-da0a5ca7e614

1. An electronic feedback system comprising:
a first feedback loop for controlling a first operating parameter of the feedback system; and
a second feedback loop including a plurality of digital control signals to influence the feedback system in a manner which, absent the first feedback loop, would result in a change to the controlled first operating parameter when one or more of the digital control signals change value;
wherein the second feedback loop is configured to affect a larger controlled range of the controlled first operating parameter than the first feedback loop is configured to affect; and
wherein the second feedback loop is arranged to influence the feedback system slowly enough, relative to the first feedback loop, to allow the first feedback loop to maintain the controlled first operating parameter without significant perturbation.
2. The system as recited in claim 1, wherein:
the electronic feedback system comprises a phase locked loop; and
the controlled first operating parameter comprises a phase or phasefrequency error of the phase locked loop.
3. The system as recited in claim 1 wherein:
the first feedback ioop is responsive to a second operating parameter for controlling the first operating parameter; and
the second feedback ioop is also responsive to the second operating parameter.
4. The system as recited in claim 3 wherein:
the second operating parameter comprises a control node voltage.
5. The system as recited in claim 1 wherein:
the electronic feedback system comprises a phase locked loop having a controlled oscillator; and
the controlled first operating parameter comprises an operating frequency of the controlled oscillator.
6. The system as recited in claim 1 wherein:
the controlled first operating parameter comprises an effective impedance between two circuit nodes.
7. A method for controlling an electronic feedback system, said method comprising:
controlling a first operating parameter of the feedback system using a first feedback loop; and
controlling a plurality of digital control signals of a second feedback loop to influence the feedback system in a manner which, absent the first feedback loop, would result in a change to the controlled first operating parameter when one or more of the digital control signals change value, but said second feedback loop influencing the feedback system slowly enough relative to the first feedback loop, to allow the first feedback loop to maintain the controlled first operating parameter without significant perturbation;
wherein the second feedback loop is configured to affect a larger controlled range of the controlled first operating parameter than the first feedback loop is configured to affect.
8. The method as recited in claim 7 wherein:
the electronic feedback system comprises a phase locked loop; and
the controlled first operating parameter comprises a phase or phasefrequency error of the phase locked loop.
9. The method as recited in claim 7 wherein:
the first feedback loop is responsive to a second operating parameter for controlling the first operating parameter; and
the second feedback loop is also responsive to the second operating parameter.
10. The method as recited in claim 9 wherein:
the second operating parameter comprises a control node voltage.
11. The method as recited in claim 7 wherein:
the electronic feedback system comprises a phase locked loop having a controlled oscillator; and
the controlled first operating parameter comprises an operating frequency of the controlled oscillator.
12. The method as recited in claim 7 wherein:
the controlled first operating parameter comprises an effective impedance between two circuit nodes.
13. A method for making an electronic feedback system product, said method comprising:
forming a first feedback loop for controlling a first operating parameter of the feedback system;
forming a second feedback loop including a plurality of digital control signals to influence the feedback system in a manner which, absent the first feedback loop, would result in a change to the controlled first operating parameter when one or more of the digital control signals change value;
configuring the second feedback loop to affect a larger controlled range of the controlled first operating parameter than the first feedback loop is configured to affect; and
arranging the second feedback loop to influence the feedback system slowly enough, relative to the first feedback loop, to allow the first feedback loop to maintain the controlled first operating parameter without significant perturbation.
14. The method as recited in claim 13 wherein:
the electronic feedback system comprises a phase locked loop; and
the controlled first operating parameter comprises a phase or phasefrequency error of the phase locked loop.
15. The method as recited in claim 13 wherein:
the first feedback loop is responsive to a second operating parameter for controlling the first operating parameter; and
the second feedback loop is also responsive to the second operating parameter.
16. The method as recited in claim 15 wherein:
the second operating parameter comprises a control node voltage.
17. The method as recited in claim 13 wherein:
the electronic feedback system comprises a phase locked ioop having a controlled oscillator; and
the controlled first operating parameter comprises an operating frequency of the controlled oscillator.
18. The method as recited in claim 13 wherein:
the controlled first operating parameter comprises an effective impedance between two circuit nodes.
19. An electronic feedback system comprising:
means for controlling a first operating parameter of the feedback system using a first feedback loop;
means for controlling a plurality of digital control signals of a second feedback loop to influence the feedback system in a manner which, absent the first feedback loop, would result in a change to the controlled first operating parameter when one or more of the digital control signals change value; and
means for influencing the feedback system slowly enough relative to the first feedback loop, upon one or more of the digital control signals of the second feedback loop changing value, to allow the first feedback loop to compensate for the influence of the second feedback loop upon the controlled first operating parameter and thus maintain the controlled first operating parameter without significant perturbation;
wherein the second feedback loop is configured to affect a larger controlled range of the controlled first operating parameter than the first feedback loop is configured to affect.
20. The system as recited in claim 19 wherein:
the electronic feedback system comprises a phase locked loop; and
the controlled first operating parameter comprises a phase or phasefrequency error of the phase locked loop.
21. The system as recited in claim 19 wherein:
the controlled first operating parameter comprises an effective impedance between two circuit nodes.

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 prompting apparatus for coupling with a camera for video recording which has an accessory adapter shoe on its top, comprising:
a rectangular cuboid housing with an open front defined by two opposite side walls, a bottom side, a top side, and a rear wall with a round opening for positioning and aligning said camera’s lens;
a flat see-through mirror being placed in said housing with its upper edge being attached to said top side’s rear edge, its lower edge being attached to said bottom side’s front edge, and its two side edges being attached to said two opposite side walls respectively such that said mirror and said housing forming a chamber where said lens is positioned and aligned behind said mirror; and
a mounting and adjusting hardware assembly for coupling said housing with said camera through said accessory adapter shoe;
wherein said top side is covering member which defines a space for placing a tablet device with its screen facing down at an angle of approximately 45 degrees from said mirror and in operation, image on said screen is reflected by said mirror to a speaker’s eyes seeing into said mirror while light from said speaker passes through said mirror into said lens; and
wherein said hardware assembly comprising a vertical adjustment column which is secured to said covering member’s top, an elongate adjustment arm being operatively coupled with said vertical adjustment column to a necessary vertical height and held in place by a fastening means, and an upright bracket with its bottom end being operatively coupled and secured to said accessory adapter shoe and with its top end being operatively coupled with said elongate adjustment arm for adjusting a horizontal distance from said vertical adjustment column to said upright bracket.
2. The prompting apparatus of claim 1, wherein an elastic sleeve is coupled around and between said round opening and said camera to prevent unwanted lights from entering said chamber.
3. The prompting apparatus of claim 1, wherein inner surfaces of said two opposite side walls, said bottom side and said rear wall are coated with anti-reflection materials to prevent unwanted lights from reflecting into said mirror and said lens.
4. The prompting apparatus of claim 1, wherein said vertical adjustment column is secured to said covering member’s top by at least one stud and one thumb screw.
5. The prompting apparatus of claim 1, wherein said fastening means comprises two slots on said vertical adjustment column, each for a thumb screw being operably secured to a female member on one end of said elongate adjustment arm.
6. The prompting apparatus of claim 1, wherein said elongate adjustment arm’s exterior width is slightly narrower than said vertical adjustment column’s interior width such that said elongate adjustment arm can be slid in an inner path of said vertical adjustment column.
7. A prompting apparatus for coupling with a video camera which has an accessory shoe on its top, comprising: a rectangular cuboid housing with an open front defined by two opposite side walls, a bottom side, a top side, and a rear wall with a round opening for positioning and aligning said camera’s lens;
a flat see-through mirror being placed in said housing with its upper edge being attached to said top side’s rear edge, its lower edge being attached to said bottom side’s front edge, and its two side edges being attached to said two opposite side walls respectively such that said mirror and said housing forming a chamber where said lens is positioned and aligned behind said mirror; and
a mounting and adjusting hardware assembly for coupling said housing with said camera through said accessory shoe;
wherein said top side is a covering member which defines a space fitting for holding a tablet device with its display screen facing down at an angle of approximately 45 degrees from said mirror and in operation, image on said screen is reflected by said mirror to a speaker’s eyes seeing into said mirror while light from said speaker passes through said mirror into said lens;
wherein an elastic sleeve is coupled around and between said round opening and said camera to prevent unwanted lights from entering said chamber;
wherein inner surfaces of said two opposite side walls, said bottom side and said rear wall are coated with an anti-reflection layer to prevent unwanted lights from reflecting into said mirror and said lens;
wherein said hardware assembly comprising a vertical adjustment column, an elongate adjustment arm which is secured to said vertical adjustment column at a necessary vertical height and held in place by at least one fastener, and an upright mounting bracket having a flat rectangular base which is to be operatively inserted into said accessory shoe and secured by one thumb screw, said upright mounting bracket’s upper end being slideably coupled with said elongate adjustment arm along an elongate slot on said elongate adjustment arm’s elongation direction for adjusting a horizontal distance from said vertical adjustment column to said upright mounting bracket.

1460731034-65464b7e-6ed6-4b27-b8e9-4c1179e2999b

1. A method of maintaining contact between a plunger and an intraocular lens as the lens moves through a lumen having a tapered portion that decreases in size from a tapered portion first end to a tapered portion second end within an injector that defines a lens travelling axis, the plunger having a lower end with a lens contact part and a upper end with a protrusion part, and the lens having an optical part, an outer edge adjacent to the optical part, and a haptic adjacent to the outer edge, the method comprising the steps of:
positioning the plunger and the intraocular lens relative to one another such that the lens is folded with diametrically opposed portions of the outer edge at least adjacent to one another, the lens contact part at the lower end is in contact with the outer edge, and there is a gap between the protrusion part at the upper end and the lens optical part in a direction that is perpendicular to the lens travelling axis and that is directly in front of the lens contact part; and
while the lens is folded such that diametrically opposed portions of the outer edge are at least adjacent to one another and the lens is moving through the lumen along the lens travelling axis, causing the diametrically opposed portions of the outer edge that are adjacent to one another and to the tapered portion first end to apply a force to the protrusion part at the upper end in the direction that is perpendicular to the lens travelling axis.
2. A method as claimed in claim 1, further comprising the step of:
causing the lens to fold as the lens moves through the lumen along the lens travelling axis prior to causing the diametrically opposed portions of the outer edge that are adjacent to one another to apply a force to the protrusion part of the plunger.
3. A method as claimed in claim 2, wherein the step of causing the lens to fold comprises:
moving the diametrically opposed portions along spaced first and second rails; and
engaging a portion of the lens located between the diametrically opposed portions as the lens moves along the first and second rails.
4. A method as claimed in claim 1, further comprising the step of:
pushing the lens along the lens travelling axis with the plunger while the diametrically opposed portions of the outer edge that are adjacent to one another are applying a force to the protrusion part of the plunger in the direction that is perpendicular to the lens travelling axis.
5. A method as claimed in claim 1, wherein
the lens contact surface has first and second ends;
the diametrically opposed portions of the outer edge that are adjacent to one another apply the force to the protrusion part of the plunger near the first end of the lens contact surface; and
the second end of the lens contact surface bites into another portion of the outer edge when the force is applied.
6. A method as claimed in claim 1, wherein
the lumen is defined by an inner surface of the injector; and
the plunger compresses another portion of the outer edge against the inner surface when the diametrically opposed portions of the outer edge that are adjacent to one another apply the force to the protrusion part of the plunger.
7. A method as claimed in claim 1, wherein
the force applied to the protrusion part of the plunger by the diametrically opposed portions of the outer edge that are adjacent to one another prevents the plunger from advancing over the optic.
8. A method as claimed in claim 1, wherein
the plunger moves along the lens travelling axis.
9. A method as claimed in claim 1, further comprising the step of:
pushing the lens distally with the plunger while the diametrically opposed portions of the outer edge that are adjacent to one another apply a force to the protrusion part of the plunger in the direction that is perpendicular to the lens travelling axis.
10. A method as claimed in claim 1, wherein
the lumen is defined by a tapered inner surface of the injector; and
the tapered inner surface causes the diametrically opposed portions of the outer edge that are adjacent to one another to apply a force to the protrusion part of the plunger in the direction that is perpendicular to the lens travelling axis.
11. A method as claimed in claim 1, wherein
the protrusion part defines a first longitudinal end that abuts the lens contact part and a second longitudinal end; and
the gap in the direction perpendicular to the lens travelling axis between the protrusion part and the lens optical part extends from the first longitudinal end of the protrusion part to the second longitudinal end of the protrusion part.
12. A method as claimed in claim 1, wherein
the lens optical part defines an optical part thickness; and
the gap defines a gap thickness that is greater than the optical part thickness.
13. A method as claimed in claim 1, wherein
the plunger protrusion defines a protrusion thickness; and
the gap defines a gap thickness that is greater than the protrusion part thickness.
14. A method as claimed in claim 1, wherein
the plunger lens contact part defines a contact part thickness; and
the gap defines a gap thickness that is greater than the contact part thickness.
15. A method as claimed in claim 1, wherein
the diametrically opposed portions of the outer edge that are adjacent to one another apply a downward force to the protrusion part of the plunger.
16. A method of advancing an intraocular lens, through a lumen that is defined by a surface located within an injector, with a plunger having a protruding part and a lens contact part defining a longitudinal axis, the lens having an optical part, an outer edge adjacent to the optical part, and first and second loop haptics respectively adjacent to first and second regions of the outer edge, the method comprising the steps of:
while the lens is folded and being pushed through the lumen by the plunger, preventing the plunger from advancing over the optic by biting into the outer edge of lens with the plunger at a location in spaced relation from the first and second loop haptics such that the outer edge of the lens at the location that the plunger is biting into the outer edge is compressed between and against the surface that defines the lumen and a portion of the plunger lens contact part that is spaced apart from the protruding part and is deformed in a direction transverse to the longitudinal axis.
17. A method as claimed in claim 16, wherein
biting into the outer edge comprises applying a force to the plunger in a direction generally orthogonal to the longitudinal axis, thereby causing a bottom edge of the lens contact part to bite into the outer edge.
18. A method as claimed in claim 16, wherein
the lens contact part bites into the outer edge; and
diametrically opposed portions of the outer edge that are adjacent to one another apply force to the protruding part of the plunger.
19. A method as claimed in claim 16, further comprising the step of:
causing the lens to fold as the lens moves through the lumen prior to biting into the outer edge of lens with the plunger.
20. A method as claimed in claim 19, wherein the step of causing the lens to fold comprises:
moving diametrically opposed portions of the lens along spaced first and second rails; and
engaging a portion of the lens located between the diametrically opposed portions as the lens moves along the first and second rails.

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 slipping-resistant mat, including:
a top layer, formed with a plurality of top holes;
a bottom layer, formed with weaved fibers, the bottom layer formed with a plurality of bottom holes;
a support layer in a predetermined thickness, formed with weaved fibers and arranged between the top layer and the bottom layer, the support layer being formed with a plurality of through holes, the top layer being arranged on a top of the support layer, the bottom layer being arranged on a bottom of the support layer, the top holes, the bottom holes, and the through holes communicating with each other;
wherein each top hole has a smaller diameter than that of each bottom hole;
wherein the fibers of the bottom layer are at least partially covered with a coating agent.
2. The slipping-resistant mat of claim 1, wherein the coating agent is selected from a group composed of resin, PVC, silicone, PU, and rubber.
3. The slipping-resistant mat of claim 1, wherein the top layer, the support layer, and the bottom layer are made of a same weaved fiber.
4. The slipping-resistant mat of claim 1, wherein the top layer is a mesh sheet formed with the top holes.
5. The slipping-resistant mat of claim 4, wherein fringes of the mesh sheet and the support layer are engaged by melting.
6. The slipping-resistant mat of claim 4, wherein the mesh sheet and the support layer are fixed together by a positioning member.
7. The slipping-resistant mat of claim 4, wherein the mesh sheet is adhered onto the support layer by resin.
8. The slipping-resistant mat of claim 4, wherein the mesh sheet is at least partially covered with a coating agent selected from a group composed of resin, PVC, silicone, PU, and rubber.
9. The slipping-resistant mat of claim 8, wherein the coating agent is foamed.
10. The slipping-resistant mat of claim 1, wherein the support layer and the bottom layer are made of weaved waterproof fibers.
11. The slipping-resistant mat of claim 10, wherein a density thereof is larger than 1 gram per cubic centimeter.
12. The slipping-resistant mat of claim 4, wherein a thickness of the support layer is ranged between 0.5 cm to 1.5 cm, and a thickness of the mess sheet is smaller than the thickness of the support layer.
13. The slipping-resistant mat of claim 4, the diameter of each top hole is ranged between 0.1 cm to 1 cm.
14. The slipping-resistant mat of claim 4, wherein the top holes and the through holes are at least partially aligned non-coaxially.