Abstract: In a motor, there are provided, integral with a motor cover covering the opening of a motor case: arm holding parts for holding brush arms; a PTC holding part for holding a PTC such that the side thereof is in contact with the brush arm; a first hole into which a connecting wire body, which serves as an external circuit terminal, is inserted so as to come into contact with a connecting part of the brush arm, the connecting part of the brush arm touching a hypothetical curved surface extending from the inner wall of the first hole; and a second hole into which a connecting wire body, which serves as an external circuit terminal, is inserted so as to come into contact with the side of the PTC, the side of the PTC touching a hypothetical curved surface extending from the inner wall of the second hole.

Abstract: An actuator in which an output shaft can be made to stop by a simple structure and in which actuator assured restart of the output shaft can be performed. The actuator comprises a motor, an output shaft provided with an external threading, and a connecting member having an internal threading engaged with the external threading of the output shaft. The actuator further comprises a resilient member for applying a predetermined load to the output shaft when the output shaft reaches the end of its moving range. The connecting member may comprise an internal screw member having a first protrusion formed on an outer surface thereof and a gear member having a second protrusion. When the second protrusion impacts with the first protrusion, a large starting torque is obtained. Further, two PTC thermistors are provided in a protection circuit, each thermistor allows flow of a current in only one direction, so as to prevent a reduction of a starting current.

Abstract: A measuring circuit with a simple circuit configuration is capable of correcting dispersion of a characteristic of a display apparatus and of displaying the measurement result. The measuring circuit comprises an edge detecting circuit, for outputting an edge detection signal synchronous with clock pulses by performing sampling on an input signal, the sampling being performed using clock pulses having a frequency higher than a frequency of the input signal, a gate circuit outputting a first factor when receiving the edge detection signal from the edge detection circuit, a digital integrating filter circuit for outputting a signal having digital values converging to values corresponding to the frequency of the input signal by timing sampling operation based on cycles of the clock pulses.

Abstract: An indicator control circuit includes a signal conversion circuit for converting an analog signal corresponding to a predetermined physical quantity into first digital data and a digital filter circuit for generating second digital data from the first digital data in accordance with a predetermined filter characteristic. An intermediate digital data is obtained during a process in which the second digital data is generated from the first digital data. The digital filter circuit includes operating circuit for operating the intermediate digital data so that a relationship between the first digital data and the second digital data has a hysteresis. The second digital data generated by the digital filter circuit is used for indicating the predetermined physical quantity on an indicator.

Abstract: An odometer apparatus having an error elimination mechanism for eliminating an error in an indication figure. The odometer apparatus includes a set of gears rotatably supported on a first shaft for indicating each digit of a set of digits in the indication figure, a set of pinions coupled with the gears and rotatably supported on a second shaft for transmitting a rotation force to the gears, a set of bosses each arranged between two adjacent pinions and formed integrally with the pinions, each of the bosses having a substantially square section taken in a plane perpendicular to the second shaft, and a pressure member for eliminating an error in the indication figure due to a backlash between the gears and the pinions.

Abstract: A cross coil type instrument includes a plurality of coils cross-arranged around a movable permanent magnet, a needle fastened to the movable permanent magnet through a shaft projecting from the movable permanent magnet and penetrating the coils, a reset-to-zero permanent magnet arranged in the vicinity of the movable permanent magnet, and a stopper so as to make contact with the needle at a reference indication position when the movable permanent magnet is driven only by the reset-to-zero permanent magnet.

Abstract: An amorphous magnetic wire comprises a magnetically hard wire portion for propagating a magnetoelastic wave, and a magnetically soft wire portion for generating or detecting the magnetoelastic wave. This amorphous magnetic wire is obtained by producing a magnetic wire in an amorphous state, wire-drawing the amorphous magnetic wire so as to make the amorphous magnetic wire thinner, and annealing a portion of the magnetic wire to make the portion magnetically soft.

Abstract: A servo type accelerometer comprises a photoelectric element which is made of a single packaged element and has two separated photoelectric parts, a light-emitting element opposite to the photoelectric element, a pendulum having a member for limiting an optical path of light emitted by the light-emitting element, the member being arranged between the photoelectric element and the light-emitting element, and a frame for supporting the pendulum. The accelerometer further comprises a detection unit for detecting a rotational displacement of the pendulum corresponding to acceleration by use of output signals of the photoelectric parts to produce a detection signal corresponding to the rotational displacement, and torque generating unit for generating a torque corresponding to the detection signal to drive the pendulum towards its original position.

Abstract: A carriage mechanism for a printer comprises an ink ribbon take-up mechanism for taking up an ink ribbon, a head moving mechanism for moving a printing head which is provided on a carriage between a printing position where the printing head can carry out a printing operation by transferring ink coated on the ink ribbon on a recording paper and a non-printing position where the printing head does not carry out the printing operation, and a single driving source for selectively driving the ink ribbon take-up mechanism and the head moving mechanism.

Abstract: An analog clock comprises an oscillator circuit for producing a signal having a predetermined frequency, a circuit for frequency-dividing the output signal of the oscillator circuit so as to produce a clock pulse signal and adjustment pulse signals having a period different from that of the clock pulse signal, a manipulation part for producing an adjustment instruction signal responsive to a time adjustment made in the manipulation part, a circuit for producing a driving pulse signal from one of the clock pulse signal and the adjustment pulse signals depending on the adjustment instruction signal and for supplying the driving pulse signal to a coil for forward rotation or to a coil for reverse rotation, and a stepping motor having a rotor which is rotated in the forward (or reverse) direction by a predetermined angle responsive to an excitation of the coil for forward (or reverse) rotation by one pulse of the driving pulse signal. Hands of the analog clock are rotated by the rotation of the rotor.

Abstract: A stepping motor includes a rotary shaft, a rotor magnetized in an axial direction thereof and having a plurality of magnetic poles arranged in a circumferential direction thereof with different poles in alternation, inner yokes each having a plurality of projections and depressions, outer yokes each having a plurality of projections and depressions which are separated from and oppose the depressions and projections of the corresponding inner yoke in a plane perpendicular to the axial direction, coils for magnetizing the inner and outer yokes to assume mutually different magnetic poles, and oil impregnated bearings made from a ferromagnetic material. The bearings each unitarily comprise a bearing part for supporting the rotary shaft, and a core part having an outer side thereof surrounded by one of the coils.

Abstract: An inclinometer comprising a sector weight pivotally supported on a main body which may become inclined, the weight being relatively rotatable with respect to the main body and constantly hanging vertically due to gravity regardless of an inclination of the main body. A code part is provided on the weight, corresponding to a plurality of bits based on a predetermined code according to a relative rotary angle of the weight with respect to the main body, and a detecting part which becomes inclined together with the main body and becomes displaced with respect to the weight along each of the bits of the code part, produces a detection output based on the predetermined code according to the inclination angle of the main body.

Abstract: A digital electronic timepiece comprises oscillator means for generating reference clock-pulse signals, a plurality of counter means of successive stages for successively counting the reference clock-pulse signals and respectively producing output signals for displaying numerals at respective digit positions for seconds, tens of seconds, minutes, tens of minutes, hours, and tens of hours, means for digitally displaying time in response to signals for output display of the counter means, and means for supplying a time correction reset signal to the counter means for producing as output signals for display at the digit positions respectively for seconds, tens of seconds, minutes, and tens of minutes. The time correction reset signal resets the counter means for seconds, tens of seconds, minutes, and tens of minutes so that the output signal thereof becomes a signal for "O" display.