Abstract: The present invention provides an excellent squalene synthesizing enzyme inhibitor. Specifically, it provides a compound (I) represented by the following formula, a salt thereof or a hydrate of them.

Abstract: Transistors (12a, 12b) turn on and off with mutually opposite phase input signals. Capacitors (16a, 16b) discharge when the transistors (12a, 12b) turn on, and capacitors (16a, 16b) are charged by constant current from constant current sources (18a, 18b) when the transistors (12a, 12b) turn off. As a result, a gradually rising voltage is obtained at the positive input ends of comparators (14a, 14b) while the input signals are L. By comparing this with fixed voltages of reference sources (20a, 20b), signals having rise timing shifted from input signals by 90° are obtained. The outputs of the comparators (14a, 14b) are mutually shifted by 180°, and at the rise of these outputs, an RS flip-flop (22) is set and reset so that signals delayed in phase by 90° with respect to the input signals are obtained at its outputs.

Abstract: The development time of a linear SASIC is shortened. In a first block region 10 of a semiconductor chip 20, circuits of the non-master slice layout, or semiconductor elements are formed, and, in a second block region 11 surrounding the first block region, circuits of the master slice layout are placed.

Abstract: To reduce the number of signal lines in the inside of a radio receiver which determines a reference voltage based on data supplied from an external CPU, the first and second reference value data from the external CPU (1) is supplied to an input section (20) of a PLL control circuit (19), and then latched by a latch circuit (21). The latched data is converted into an analogue reference voltage in D/A converters (23, 24). The reference voltage is transferred to a radio receiving circuit (2) to be supplied to comparison circuits (16, 18) via a single line, respectively, in the inside of the radio receiving circuit (2).

Abstract: The present invention provides a novel nitrogen-containing heterocyclic compound useful as a phosphodiesterase-4 inhibitor, and a medicament comprising the same. Further, the present invention provides a nitrogen-containing heterocyclic compound represented by the following formula, its salt or hydrates thereof, and a medicament comprising the same.

Abstract: The present invention provides a novel nitrogen-containing heterocyclic compound useful as a phosphodiesterase-4 inhibitor, and a medicament comprising the same. Further, the present invention provides a nitrogen-containing heterocyclic compound represented by the following formula, its salt or hydrates thereof, and a medicament comprising the same. wherein the ring A is an aromatic hydrocarbon ring which may have a heteroatom, the ring B represents (a) a saturated hydrocarbon ring, (b) an unsaturated hydrocarbon ring, (c) a saturated heterocyclic ring or (d) an unsaturated heterocyclic ring, all of which may have a substituent group.

Abstract: Transistors (12a, 12b) turn on and off with mutually opposite phase input signals. Capacitors (16a, 16b) discharge when the transistors (12a, 12b) turn on, and capacitors (16a, 16b) are charged by constant current from constant current sources (18a, 18b) when the transistors (12a, 12b) turn off. As a result, a gradually rising voltage is obtained at the positive input ends of comparators (14a, 14b) while the input signals are L. By comparing this with fixed voltages of reference sources (20a, 20b), signals having rise timing shifted from input signals by 90° are obtained. The outputs of the comparators (14a, 14b) are mutually shifted by 180°, and at the rise of these outputs, an RS flip-flop (22) is set and reset so that signals delayed in phase by 90° with respect to the input signals are obtained at its outputs.

Abstract: The present invention provides a nitrogenous heterocyclic compound represented by the following general formula (1) or a pharmacologically acceptable salt thereof which is useful for various ischemic heart diseases and the like: ##STR1## ?in formula (1), ring A represents a benzene ring, a pyridine ring or a cyclohexane ring; ring B represents a pyridine ring, a pyrimidine ring or an imidazole ring, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent each a hydrogen atom, a halogen atom or a group such as a lower alkoxy group; R.sup.5 represents a group represented by the formula --NR.sup.11 R.sup.12 (wherein R.sup.11 and R.sup.12 represent each a hydrogen atom or a group such as a lower alkyl group) or the like; and R.sup.6 represents a group represented by the formula ##STR2## (wherein R.sup.19 represents a hydrogen atom, a lower alkyl group or the like; R.sup.20, R.sup.21 and R.sup.22 represent each a hydrogen atom, a halogen atom, a hydroxyl group or the like; and r represents 0 or an integer of 1 to 8)!.

Abstract: The present invention relates to a nitrogen-containing heterocyclic compound exhibiting an inhibitory activity against cGMP-PDE. The compound represented by the formula (I) or a pharmacologically acceptable salt thereof: ##STR1## wherein R.sup.1 represents a group represented by the formula: --NR.sup.4 R.sup.5 (wherein R.sup.4 and R.sup.5 each represent hydrogen, lower alkyl or the like) or the like; R.sup.2 represents a group represented by the formula: ##STR2## (wherein R.sup.8 represents a carboxyl group which may be protected, or the like) or the like; and R.sup.3 represents a group represented by the formula: ##STR3## (wherein R.sup.6 and R.sup.7 each represent hydrogen, lower alkyl or the like) or the like.

Abstract: The present invention provides a nitrogenous heterocyclic compound represented by the following general formula (1) or a pharmacologically acceptable salt thereof which is useful for various ischemic heart diseases and the like: ##STR1## ?in formula (1), ring A represents a benzene ring, a pyridine ring or a cyclohexane ring: ring B represents a pyridine ring, a pyrimidine ring or an imidazole ring, R.sup.1, R.sup.2, R.sup.3 R.sup.4, R.sup.5 and R.sup.6 are described herein.

Abstract: A benzene, pyridine or pyrimidine derivative having the below shown formula is novel and useful as an anti-arteriosclerotic agent. ##STR1## wherein R.sup.1 stands for a lower alkyl group, an amino group which may be substituted, or the like; R.sup.2 stands for a group represented by the formula: ##STR2## (wherein R.sup.16 stands for an alkyl group having 1 to 6 carbon atoms, or the like) or the like; R.sup.3 stands for a group represented by the formula: --O--(CH.sub.2).sub.m --Y (Y stands for an imidazolyl or piperazinyl group, or the like and m is 1 to 6) or the like; R.sup.5 stands for a hydrogen atom, a lower alkyl group, or the like; A stands for a group represented by the formula: ##STR3## (wherein R.sup.6 stands for a hydrogen atom, a lower alkyl group, or the like), --N.dbd., or the like; and B stands for a group represented by the formula: ##STR4## (wherein R.sup.4 stands for a hydrogen or the like), --N.dbd., or the like.

Abstract: It relates to a quinazoline compound useful as a medicine exhibiting an inhibitory action on calmodulin-dependent cGMP-PDE.A quinazoline compound represented by the general formula (I) or a pharmacologically acceptable salt thereof: ##STR1## (wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 may be the same or different from each other and each represents a hydrogen atom, a lower alkyl group or the like; and R.sup.6 and R.sup.7 may be the same or different from each other and each represents a hydrogen atom, a carboxyl alkyl group or the like).

Abstract: The invention is directed to certain 2,4-diaminoquinazoline compounds, their pharmaceutically acceptable salts, the pharmaceutical compositions comprising those compounds and their therapeutic methods of use. The compounds possess anti-ischemic activity.

Abstract: In accordance with the present invention, a method and apparatus are disclosed for real-time processing of digitized image data using an implementation of the Hough transform. More specifically, frames of image data are received and stored as pixel arrays in a rectangular coordinate system. Pixels having values above a predetermined intensity are subsequently transformed into polar coordinate space. Maximum meeting points of curves associated with all pixels which have been transformed into polar coordinate space are then identified using a real-time, hardware implementation of a neuro-Hough transform for analyzing windowed portions of the digitized image. The present invention identifies maximum meeting points in polar coordinate space using a neuro-Hough transform implemented as a single chip.

Abstract: A semiconductor integrated circuit is formed on a semiconductor chip (1) and it includes: a plurality of mat regions (A to T) each including a plurality of circuit elements (10 to 13); partition regions (4) for spacing the mat regions (A to T) from each other; and a pair of power supply line (2) and ground line (3) disposed on each of the partition regions (4). An electronic circuit formed on the semiconductor chip (1) includes circuit blocks having different functions but it is designed for a unit of each mat (A to T) not for a unit of each circuit block.

Abstract: A semiconductor integrated circuit for a radio comprises: a front end circuit block (1) including at least an oscillation circuit (1b) and a mixing circuit (1c), for converting an RF signal to an IF signal; and an IF amplifying circuit block (2) for amplifying the IF signal and limiting an amplitude thereof, and the front end circuit block (1) is covered with shield electrodes (17, 17a, 17b, 17c) connected to a predetermined potential.

Abstract: An ultrasonic motor is provided in which a detector will detect the amplitude of a traveling wave generated on the stator. An oscillator approximates frequency of the travelling wave with respect to the resonance frequency of the stator while the amplitude of the traveling wave is decreased. If the oscillator approaches the frequency of the traveling wave to the resonance frequency of the stator, the amplitude of the traveling wave can be maintained against increasing pressure of the increased torque load of the ultrasonic motor.

Abstract: A vibratory motor includes a rotor member having a portion of increased stiffness. A spring member presses the portion of increased stiffness of the rotor member in order to maintain a stable contact between the rotor member and the stator member. The stiffness portion distributes the pressure from the spring member uniformly along a circumference of the rotor member.

Abstract: A semiconductor integrated circuit for a radio comprises: a front end circuit block (1) including at least an oscillation circuit (1b) and a mixing circuit (1c), for converting an RF signal to an IF signal; and an IF amplifying circuit block (2) for amplifying the IF signal and limiting an amplitude thereof, and the front end circuit block (1) is covered with shield electrodes (17, 17a, 17b, 17c) connected to a predetermined potential.

Abstract: A vibratory motor is provided with a detecting member for detecting rotational speed of a rotor member and a control circuit for stopping oscillation of a stator member of the motor when the rotational speed of the rotor member becomes less than a predetermined speed. When the rotational speed of the rotor member is less than the predetermined speed, the control circuit stops oscillation of the stator member. When the stator member stops oscillating, slippage is not generated between the rotor member and the stator member and deterioration of the motor due to friction is successfully decreased.