1. A frequency multiplication circuit comprising:
a delay circuit that has a clock signal having a period T input thereto, and outputs a signal obtained by delaying a phase of the clock signal by a time \u03c4;
an exclusive OR circuit that outputs a signal obtained by performing an exclusive OR between the clock signal and the delayed signal; and
a signal correction circuit that has a signal from the exclusive OR circuit input thereto, outputs a required frequency component by correcting the input signal, and attenuates an unnecessary frequency component.
2. The frequency multiplication circuit according to claim 1, wherein a length of the time \u03c4 is a length other than n\xd7T4 (n is an integer), and
the signal correction circuit attenuates a signal having a second frequency based on T2, rather than a signal having a first frequency based on the time \u03c4.
3. The frequency multiplication circuit according to claim 2, wherein the signal correction circuit includes a filter circuit that passes the signal having a first frequency and attenuates the signal having a second frequency.
4. The frequency multiplication circuit according to claim 1, wherein the signal correction circuit includes a first series circuit, having a first inductor and a first capacitance circuit connected in series to each other, which is connected between a signal line through which the signal from the exclusive OR circuit is transmitted and a reference potential.
5. The frequency multiplication circuit according to claim 4, wherein the first capacitance circuit includes a variable capacitive element.
6. The frequency multiplication circuit according to claim 4, further comprising a first correction signal generation circuit that generates a first control signal based on T2,
wherein a capacitance value of the first capacitance circuit is controlled on the basis of the first control signal.
7. The frequency multiplication circuit according to claim 4, further comprising a second capacitance circuit which is connected in parallel to the first series circuit.
8. The frequency multiplication circuit according to claim 7, wherein the second capacitance circuit includes a variable capacitive element.
9. The frequency multiplication circuit according to claim 4, further comprising a second correction signal generation circuit that generates a second control signal based on the time \u03c4,
wherein a capacitance value of the second capacitance circuit is controlled on the basis of the second control signal.
10. The frequency multiplication circuit according to claim 1, further comprising a waveform shaping circuit that shapes a signal from the signal correction circuit,
wherein the signal correction circuit includes a multiplication signal correction portion, and
the multiplication signal correction portion is supplied with a signal in which pulses having a pulse width \u03c41 on a time axis are periodically arranged with a period Tm (m\u22602), and the pulse width \u03c41 and the period Tm satisfy a relation of \u03c41(Tm)\u22600.5, and attenuates at least one of signals having a fourth frequency based on at least one of the pulse width \u03c41 and a pulse width \u03c4m\u2212\u03c41, rather than a signal having a third frequency based on the period Tm (m\u22602).
11. The frequency multiplication circuit according to claim 10, wherein the multiplication signal correction portion includes a second series circuit, having a second inductor and a third capacitance circuit connected in series to each other, which is connected between a signal line through which the signal from the exclusive OR circuit is transmitted and a reference potential.
12. The frequency multiplication circuit according to claim 11, wherein the third capacitance circuit includes a variable capacitive element.
13. The frequency multiplication circuit according to claim 10, further comprising a third correction signal generation circuit that generates a third control signal based on at least one of the pulse widths \u03c41 and Tm\u2212\u03c41,
wherein a capacitance value of the third capacitance circuit is controlled on the basis of the third control signal.
14. An electronic device comprising the frequency multiplication circuit according to claim 1.
15. A moving object comprising the frequency multiplication circuit according to claim 1.
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 structure comprising of at least first, second and third identical boards having planar surfaces and laterally mounted locking elements along a first common joint, said locking elements being wedge-shaped and having a width relative to the first common joint that decrease entirely along the length of the boards in a linear manner or increase entirely along the length of the boards in a linear manner, wherein the locking elements are made in such a way that, simultaneously, by displacing the first board relative to the second board along the first common joint, the first board can be connected with the second board in a positive fit along the first common connecting joint, both in a perpendicular direction relative to the planar surface of the board, as well as in a parallel direction relative to the planar surface of the board, and, at the same time, in a perpendicular direction relative to the first common joint, and the first board can be connected with the third board in a positive fit along a second common connecting joint, at least in a perpendicular direction relative to the surface of the board.
2. The structure according to claim 1, wherein all or some of the locking elements are made in such a way that the displacement can take place exclusively in one plane that is parallel relative to the surface of the boards.
3. The structure according to claim 2, wherein the first common connecting joint runs in a perpendicular direction relative to the second common connecting joint.
4. Boards having laterally mounted locking elements with which two boards can be connected with each other laterally in an adhesive-free manner by positive fit, said boards having planar surfaces and laterally mounted locking elements along a first common joint, said locking elements being wedge-shaped and having a width relative to the first common joint that decrease entirely along the length of the boards in a linear manner or increase entirely along the length of the boards in a linear manner, wherein the locking elements are made in such a manner, that there is an initial position into which the boards can exclusively be brought by lowering in a vertical direction, wherein the first common joint is formed between the boards in which a play occurs, and there is a final position reached by displacing the first board relative to the second board along a first common joint in which the boards are interlocked by positive fit in a vertical direction and in which no play occurs at the first common joint and wherein the panels may be connected with each other in an adhesive-free manner.
5. Boards according to claim 4, wherein the locking elements are such that the boards can be brought into the initial position when, along the common connecting joint, they are arranged offset relative to one another by more than 50% and less than 100%.
6. Boards according to claim 5, wherein there is an intermediate position in which the boards, at least in a vertical direction, are interlocked by positive fit and in which a play occurs at the common joint of the two boards.
7. Boards according to claim 6, wherein a board, as a locking element, has a perpendicular groove that is inserted in a perpendicular direction relative to the planar surface, and the other board has at least a corresponding protruding perpendicular locking element which arrives in the perpendicular groove when the boards are in the initial position, wherein the perpendicular groove andor a lateral boundary of the perpendicular groove, at least in part, have a course that does not run parallel relative to the common joint, andor the perpendicular locking element andor a lateral boundary of the perpendicular locking element at least in part have such a course that does not run parallel relative to the common joint.
8. Boards according to claim 7, wherein, in the final position, a lateral boundary of the perpendicular groove adjoins a lateral boundary of the perpendicular locking element intimately.
9. Boards according to claim 8, wherein at least one lateral boundary of the perpendicular groove andor a lateral boundary of the perpendicular locking element is formed wedge-shaped, has such a course relative to the common joint that the distance to the common joint decreases or increases along the joint in a linear manner.
10. Boards according to claim 9, wherein there is at least one contact area between two locking elements which area runs in a perpendicular direction relative to the surface.
11. Boards according to claim 9, wherein there is at least one contact area between two locking elements formed by undercuts.
12. Boards according to claim 9, wherein one board laterally has, as a locking element, at least one groove and another board laterally has at least one tongue.
13. Boards according to claim 9, wherein the bottom surface of a lateral tongue forms a continuous flat surface with the bottom of a vertical locking element.
14. Boards according to claim 9, wherein a bottom groove-cheek of a lateral groove forms a flat surface with the bottom of the perpendicular groove.
15. Boards, according to claim 9, that can be connected by means of a paste or, in particular, adhesive sealing compound andor an adhesive between two interlocked boards.
16. Boards according to claim 9, having a moisture repellant paste or adhesive mass between two boards which adjoins the surface of the boards.
17. Boards according to claim 9, wherein the boards are laminate panels.
18. Boards according to claim 9, which are part of a floor covering.
19. A method for connecting at least first, second and third boards having planar surfaces with laterally mounted locking elements, said locking elements being wedge-shaped and having a width relative to a first common joint that decrease entirely along the length of the boards in a linear manner or increase entirely along the length of the boards in a linear manner, in particular of boards comprising the steps of: displacing the first board relative to the second board along the first common connecting joint, wherein simultaneously the first board being connected with the second board in a positive fit along the first common connecting joint, both in a perpendicular direction relative to the planar surface of the board, and in a parallel direction relative to the surface of the board, and, at the same time, in a perpendicular direction relative to the first common connecting joint, and
the first board being connected with the third board in a positive fit along a second common connecting joint, at least in a perpendicular direction relative to the planar surface of the board.
20. The method according to claim 19, wherein the displacement occurs exclusively in one plane parallel relative to the surface of the board.
21. The method according to claim 20, wherein the first connecting joint runs in a perpendicular direction relative to the second common connecting joint.
22. A method for connecting at least first and second boards with laterally mounted locking elements, said locking elements being wedge-shaped and having a width relative to a first common joint that decrease entirely along the length of the boards in a linear manner or increase entirely along the length of the boards in a linear manner, wherein two of the boards being connected laterally by positive fit in an adhesive-free manner, comprising the following steps:
bringing the boards into an initial position, in particular, exclusively by lowering in a vertical direction, wherein the common joint is formed between the boards in which a play occurs, and bringing the boards into a final position, in which the boards are interlocked in a vertical direction by positive fit, and in which no play occurs at the first common joint and the panels are connected in an adhesive-free manner.
23. The method according to claim 22, wherein the boards are brought from the initial position into the final position by displacement along the common connecting joint.
24. Boards according to claim 4, wherein the locking elements are such that the boards can be brought into the initial position when, along the common connecting joint, they are arranged offset relative to one another by more than 66% and less than 80%.