Abstract: A transmitting/receiving unit capable of setting the level of power for transmitting an output frequency signal, which correctly correspond to the level of a received frequency signal, without dependency upon change in the environmental temperature, the transmitting/receiving unit including a signal transmitting portion; and a signal receiving portion so as to be capable of generating an output signal, the level of which depends upon the level of a received signal, wherein the signal transmitting portion includes first variable-gain amplifying means having an amplified gain which is varied by first AGC voltage, the signal receiving portion includes second variable-gain amplifying means having an amplified gain which is varied by second AGC voltage, wave-detection means for generating DC voltage which is in proportion to level of an output signal from the second variable-gain amplifying means, and temperature-dependent-type automatic gain control voltage generating means for converting the DC voltage into AGC

Abstract: A recording and/or reproducing device, particularly provided with a shutter for opening and closing an insertion slot of a front panel. Such a device has a front panel provided with an insertion slot for receiving a recording medium therethrough. A shutter is pivoted to a chassis so as to open and close the insertion slot of the front panel. A groove is further arranged on the inner surface of the inward projection of the front panel so as to receive the free surface of the shutter therein.

Abstract: A spherical projection portion for pivotally supporting a magnetic head is protrusively formed in a tongue piece formed in a flexure, and a non-contact portion with the slider are formed on both sides of the projection portion. The backward portion with the projection portion and the non-contact portion as a boundary is formed into a bonding portion. A bonding agent between the bonding portion and the slider is prevented from flowing toward a magnetic conversion element by the projection portion and the non-contact portion. Since the bonding agent is not present in the vicinity of the magnetic conversion element, the magnetic conversion element is not deformed due to the expansion and contraction of the hardened bonding agent. Also, since the bonding area is formed into an appropriate dimension, the protuberance dimension of a crown of the slider is not varied.

Abstract: A ribbon cassette of which the type of ink ribbon accommodated in the ribbon cassette may be identified by detection switches arranged on the carriage of a thermal transfer printer, without using a plurality of types of ribbon cassette case which are different in shape. A ribbon cassette in which a simple construction is used to prevent sticking to each other of the ink ribbon and the guide roller immediately after printing. A ribbon cassette by which a stain on the recording sheet due to contact between the sheet and the ink ribbon at the time of printing operation may be prevented and the stability of running of the ink ribbon is improved. A thermal transfer printer in which: the stability of running of the ink ribbon may be improved; both hot peeling printing and cold peeling printing are possible in an excellent condition; and the consumption of the ink ribbon may be reduced.

Abstract: There is provided a switching device in which the interval between a normal-close contact and a normal-open contact and the positions thereof can be arbitrarily set without any constraint of a common contact, and which can perform circuit switching at a desired timing. In the switching device, mounted on an inner bottom plane of a wafer is a common contact on which a good conductive return spring electrically connected to a movable contact for urging a slider in the direction reverse to the depressing direction is laid. A normal-close contact and a normal-open contact are arranged side by side on an inner wall of the wafer, and a resilient piece of the movable contact is in slidable contact with the inner wall.

Abstract: A light image is made irregular at an incident part of a fiber, influence of displacement of the fiber against a couping efficiency is reduced and evaluation of a lens can be carried out as usual. A light source is arranged at the optical surface side 14 of the lens 12 to be used, a focusing is formed at the second optical surface 15, the evaluation of the lens 12 is carried out by checking whether or not the surface aberration at the focusing position is less than the predetermined value. At this time, when the lens 12 is used in the optical device, the light source 1 is arranged with the second optical surface 15 being applied as a short focal point side and then the incident part for the fiber 3 is arranged with the first optical surface 14 being applied as the long focal point side.

Abstract: Alloy powder which is low in price and is unlikely to be oxidized on the surface, and a dispersion-type conductor using the alloy powder in which electromigration is not likely to occur. Melt of copper and silver is cooled at a high cooling speed of 10.sup.5 .degree. C./s or higher. Alloy powder having a composition expressed by a chemical formula Cu.sub.x Ag.sub.1-x (where 0.80.ltoreq.X.ltoreq.0.99) is obtained. Also, a dispersion-type conductor is produced by dispersing 100 parts by weight of the alloy powder in between 5-100 parts by weight of a binder. Thus, the low-priced alloy powder and the dispersion-type conductor of high quality and high reliability can be obtained.

Abstract: A steering column assembly including a clock spring connector having a groove formed on a movable member for receiving a ridge formed on an engaging member of a steering wheel. The engagement of the ridge and the groove provides a reduced-noise operation of the steering column apparatus. A resilient clip is provided between the groove and the ridge to further reduce operating noise. A pair of flanges are formed on an outer wall of the clock spring connector to secure the clock spring connector to a lock fixture. A short forked locking finger is provided on a back surface of the clock spring connector for preventing damage during assembly.

Abstract: A vibratory gyroscope, including a vibrator, which has three elastic arms separated by two slits, a driving means for generating vibration in at least one elastic arm, and a detecting means for detecting a component of vibration in a direction, which intersects with the direction of the vibration generated in an elastic arm due to Coriolis force when the vibrator rotates.

Abstract: An Fe-based soft magnetic alloy having a high saturated magnetic flux density and having a composition represented by formula (I) below:(Fe.sub.1-a Q.sub.a).sub.b B.sub.x T.sub.y T'.sub.z (I)wherein Q represents at least one element selected from the group consisting of Co and Ni; T represents at least one element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Mo and W, with Zr and/or Hf being always included; T' represents at least one element selected from the group consisting of Cu, Ag, Au, Ni, Pd and Pt; a, b, x, y and z are real numbers satisfying relationships below:0.ltoreq.a.ltoreq.0.05 atomic %,0<b.ltoreq.93 atomic %,0.5.ltoreq.x.ltoreq.16 atomic %,4.ltoreq.y.ltoreq.10 atomic %,0.ltoreq.z.ltoreq.4.5 atomic %provided that when 0<z.ltoreq.4.5 atomic %, Q represents Co and 0<b.ltoreq.92 atomic %; and when z=0, 0.5.ltoreq.x.ltoreq.8 atomic % and 4.ltoreq.y.ltoreq.9 atomic %.

Abstract: An N-key rollover circuit including a matrix of crossing drive and output lines, switch elements connected between the drive and output lines, series resistors connected to the switch elements and current detectors connected to the output lines. A grounded current detection resistor is connected to an input terminal of each current detector, each current detection resistor having a resistance value which is smaller than the resistance value of the series resistors such that most of the drive transmitted through a selected switch element onto an output line passes through the current detection resistor, even if more than one switch element is selected.

Abstract: An input device including a case defining an opening, a bearing member pivotally mounted in the case about an axis and disposed adjacent to the opening, a roller rotatably disposed on the bearing member and having a portion exposed through the opening, an encoder disposed adjacent the axis of the bearing member and coupled to the roller by a belt, and a push button switch disposed to contact a portion of the bearing member away from the axis, such that manual rotation of the roller causes the belt to rotate the encoder, thereby producing a first output signal, and pressing the roller causes activation of the push button switch by pivoting the bearing member, thereby producing a second signal. A water receiving member is disposed in the case between the bearing member and roller. The water receiving member has a main chamber into which is disposed the roller, and a subchamber connected to the main chamber by a cut-out passage.

Abstract: A contact unit for a switch comprises: a wafer comprising a first terminal, a second terminal separated from the first terminal, and a fixed contact having the shape of a spring metal clip and electrically connected to the first terminal; an elastic movable contact electrically connected to the second terminal and capable of being brought into contact with the fixed contact; and an actuator for applying pressure to the elastic movable contact to bring the elastic movable contact into contact with the fixed contact. The second terminal is a portion of a spring metal frame, and the elastic movable contact is formed by bending a portion of the same spring metal frame. The first terminal, the second terminal, the fixed contact and the elastic movable contact are combined by insert molding to form the integral contact unit. Thus, the elastic movable contact is never disconnected from the second terminal, the contact unit is highly reliable and the contact unit can be readily applied to various kinds of switches.

Abstract: Disclosed are a spindle motor and a disk driving apparatus using the same and, in particular, a disk driving apparatus loaded with a disk cartridge containing an information recording disk. The spindle motor includes a rotation table adapted rotate integrally with a rotating shaft, a driving magnet attached to a rotor, and a stator yoke to which driving coils are attached and which has a bearing for supporting the rotating shaft, the rotation table and the rotor being formed as separate members, the rotor having a fitting hole into which the rotation table is to be fitted from below, the rotating shaft of the rotation table being inserted into the bearing of the stator yoke, the rotor being mounted on the rotation table, the rotor being attracted toward the stator yoke by the magnetic force of the driving magnet and integrally combined with the rotation table.

Abstract: A method for producing opto-electronic devices, such as opto-mechanical mouse devices, which includes adjusting a detector signal after a detector and emitter are connected to the remaining circuitry associated with the opto-electronic device. The method also includes a rough adjustment step wherein a the detector signal is adjusted to a predetermined output voltage, and a fine adjustment step wherein an encoder is rotated between the emitter and the detector, and the circuit is adjusted such that the duty cycle of a comparator is within a desired range.

Abstract: A control circuit for a multi-stage power amplifier (such as in a portable radio transmitter) compensates for fluctuations in ambient temperature, load, signal level and power supply voltage, The control voltage is set by comparing a biasing level which is related to the amplifier input signal level to a voltage proportional to the power supply current of the last stage of the amplifier. The control voltage resulting from the comparison establishes the operating point of the last stage of the power amplifier.

Abstract: An apparatus for closing the seam of a wound bar-shaped dough body being conveyed on a conveyor, comprising a pair of standing conical rolls mounted over and across the conveyor, between which rolls the dough body is made to travel. This simple mechanism makes it much easier to automatically provide high-quality bar-shaped products.

Abstract: An orientation film for a liquid crystal display. The film is formed on a substrate and has a first irregular form repeated in a first direction and a second irregular form repeated in a second direction, which is perpendicular to the first direction. The second irregular form has a longer pitch than the pitch of the first irregular form. The profile of the second irregular form in any plane perpendicular to the first direction has a portion inclined with respect to the substrate. The pretilt angle of the orientation film is high. The patterns may be irregular and asymmetric, which may be ridges separated by a continuous groove. The orientation may be formed by using a first mold having one of the patterns, and a second mold with a second pattern, or first and second holographic exposed layers. The orientation layer may be a liquid crystal polymer which is formed by using a heated stamper to form a pattern in a high polymer liquid crystal while applying a voltage.

Abstract: An automatic volume control to prevent the listener from having an odd sensation is obtained with a plurality of conditions taken into considerations. A plurality of control rules required to infer using fuzzy logic a volume correcting value on the basis of frequency band component levels, L, M and H and a volume level V are stored beforehand in a volume correcting value inferring portion 13. The volume correcting value inferring portion 13 obtains inference results of the individual control rules on the basis of the individual frequency band component levels L, M, H input from a filter circuit 12 and the volume level input from an audio reproducing portion 14, obtains a weighted mean of the respective inference results as a volume correcting value Z, and inputs the volume correcting value to the audio reproducing portion 14 to automatically correct the volume.