Abstract: A magnetic tape loading device for a tape recorder comprising a pole base assembly which moves along a deck chassis and takes a magnetic tape from a tape cassette during a loading of the magnetic tape, a guide rail which is mounted on the deck chassis to guide a movement of the pole base assembly during loading/unloading of the magnetic tape, and a movement prevention unit which prevents a movement of the pole base assembly during loading/unloading of the magnetic tape, and when the loading of the magnetic tape is completed.

Abstract: A magnetic recording and reproducing apparatus and a method for braking a reel assembly comprising a lower disc rotatably supported by a stationary shaft located on the deck and an upper disc arranged on the stationary shaft to rotatably coupled to an upper portion of the lower disc. Thus, the upper and lower discs are rotatably coupled to a tape reel of a tape cassette. A disc gear is positioned between the upper and lower discs to receive power from a capstan motor. A friction member is disposed between and in contact with the lower disc.

Abstract: A stator assembly of a motor for a head drum is provided to generate a driving force disposed opposite to a motor rotor. The stator motor includes a double sided flexible printed circuit (FPC). A signal line is formed in a pattern is formed on both sides of the flexible printed circuit (FPC) for inputting an electrical signal. A plurality of wound driving coils are connected to a first side of the flexible printed circuit (FPC) to electrically connect with the signal line. A yoke is connected to a second side of the flexible printed circuit (FPC).

Abstract: A pinch roller assembly for a magnetic recording and reproducing apparatus has a pinch roller configured to selectively contact a capstan axis mounted on a deck base. A pinch arm is provided for rotatably supporting the pinch roller on one end thereof. The pinch arm is pivotally mounted on the deck base for movement between first position and second positions. When in first position, the pinch roller is adjacent to the capstan axis, and when in the second position the pinch roller is spaced away from the capstan axis. A pinch axis is mounted on the other end of the pinch arm. The pinch axis is a pivot point of the pinch arm. A pinch spring is disposed on the pinch axis to elastically support the pinch arm when being pivoted to the first position toward the capstan axis. A separation preventing protrusion is integrally formed with the pinch axis to prevent deviation of the pinch spring.

Abstract: A method for assembling a head-drum assembly for a magnetic recording/reproducing apparatus is provided. The head-drum assembly is assembled by inserting a shaft to a fixed drum first, setting up a motor stator in the fixed drum, and putting a rotary drum assembly and drum cover assembly into the shaft sequentially. The method can reduce the number of part to be abandoned due to a defect caused in the assembly process by performing a process of assembling the shaft and the fixed drum first, an area in which most defects are caused, and then proceeding to the subsequent assembly processes.

Abstract: A deck plate integrally forming the drum base and the guide rail, and a magnetic recording/playing apparatus having the same are disclosed. The deck plate has a chassis integrally forming a drum base for slopingly supporting a head drum assembly in a predetermined angle together with a guide rail for guiding at least one pole base assembly.

Abstract: A cassette tape ejecting apparatus has a chassis having a pin boss, a hook hole and a locking groove formed as a single body, a cassette housing installed on the chassis to be transferred to a tape insertion position and a tape ejection position, a cassette tape being mounted thereon, a locking lever being installed on the cassette housing, and having a locking protrusion hooked on the looking groove of the chassis when the cassette housing is transferred to the tape insertion position, an eject lever installed on the chassis to be rotated through the pin boss of the chassis in the forward/backward direction unlocks the locking protrusion from the locking groove of the chassis to eject the cassette tape, and a cassette switch turned on/off by the forward/backward rotation of the eject lever, for detecting ejection of the cassette tape.

Abstract: A head drum assembly for a magnetic recording/reproducing apparatus includes a shaft on which a rotary drum is rotatably supported, and a fixed drum firmly fixed to the shaft and supported on a main deck. The fixed drum includes a fixed drum body facing the rotary drum and a fastening part extending from a lower side of the fixed drum body. The fastening part is supported by the main deck. A flange part extends from an outer circumference of the fastening part and is coupled to the main deck by screws.

Abstract: A head-drum assembly for a magnetic recording/reproducing apparatus, and a method of manufacturing a head/drum assembly, with a simplified setup structure of a fixed drum on a main chassis are provided, where a shaft is inserted into a fixed drum and has a connection unit at least a portion of which protrudes from the lower part of the fixed drum, a rotary drum is disposed on the upper part of the fixed drum and supported by the shaft to be rotatable, a drum base has an opening which the portion of the connection unit penetrates, and a connection housing is connected with the portion of the connection unit on, for example, opposite surface of the drum base.

Abstract: A magnetic recording and reading apparatus includes a noise preventing member provided to at least one of a deck and a holder to cover an upper side of a head drum. Noise generated by the contact between the head drum and the magnetic tape is substantially prevented from being transmitted outside of the magnetic recording and reading apparatus and to a microphone in recording operation, thereby improving the quality of recorded sound.

Abstract: A noise prevention apparatus and a magnetic recording and reproducing apparatus having the same are provided to such that a microphone unit records sound produced from outside the magnetic recording and reproducing apparatus in an optimum state. The noise prevention apparatus includes a noise damping part installed adjacent to at least one noise source that produces a noise when the image and sound signals are recorded and reproduced for damping and discharging the noise produced from the noise source. The noise damping part includes a noise collecting member for collecting the noise and a noise damping member for damping and discharging the noise collected by the noise collecting member to the outside. The noise produced from the noise source when the image and sound signals are recorded and reproduced is collected by the noise collecting member and then damped to a minimum size by the noise damping member, so that the microphone unit may record the sound in the optimum state.

Abstract: Disclosed is a reel clutch of a tape recorder. A plate spring is positioned between a reel gear and a reel disc of a reel disc assembly which is mounted on a deck of a tape recorder, and a stopper reel is provided on the reel disc to restrain the engaging height of the plate spring so that a torque is generated by the frictional contact between the reel disc and the plate spring, whereby assembly productivity can be enhanced and manufacturing costs can be reduced.

Abstract: An oil spatter prevention apparatus having a shaft for use with a device, such as a tape recorder, including a stationary portion fixed to a deck, a shaft body extended from the stationary portion on which a rotation body is rotatably supported on an outer circumference, and an oil spattering prevention means for preventing oil applied between the shaft body and the rotation body from being spattered when the shaft body rotates, the oil spatter prevention means being at least one of a circumferential recess on the shaft body, an annular recess on the shaft stationary portion, and a recess exterior and adjacent to the shaft.

Abstract: A pole base assembly for a magnetic recording/reproducing apparatus for guiding a tape drawn from a reel through a predetermined path in parallel or substantially in parallel toward a lead surface of a head drum. The pole base assembly comprises a pole base disposed to approach and retreat from a side of the head drum when the tape is loaded and unloaded, respectively, a sloping pole disposed to be sloped on the pole base, to be parallel or substantially parallel to the lead surface of the head drum, for guiding the tape fed to the head drum at a predetermined angle, to be parallel to the lead surface, and a supporting holder disposed on the pole base, and having a sloping part to support the sloping pole to be inclined at a predetermined angle.

Abstract: A tape guide device for a magnetic recording/reproducing apparatus includes a pole base assembly to guide a tape supplied from a supply reel and passed through a predetermined path to be moved horizontally to a read surface of a head drum. The pole base assembly includes a pole base installed adjacently to or separately from one side of the head drum during a loading/unloading operation of the tape. The pole base assembly also includes a pole unit including a spiral flange inclined to the pole base to be in a horizontal direction to the read surface of the head drum, to guide the tape entering the head drum to be inclined at a predetermined angle and positioned in the horizontal direction to the read surface.

Abstract: A locking device for a tape cassette housing of a tape recorder comprises a locking recess and a locking protrusion respectively provided in sides of a tape cassette housing and a deck chassis and corresponding to each other, thereby fastening a tape cassette housing to the deck chassis, the tape cassette housing resiliently coming into contact with the deck chassis as a tape cassette is loaded. In here, around external circumference of the locking protrusion is formed at least one edge, and an end of the edge comes into contact with a corner of the locking recess right before the locking protrusion is inserted into the locking recess. Accordingly, the locking protrusion comes into linear contact with the corner of the locking recess in loading/unloading operations of the tape cassette so that the stopping of the ascending and descending movements of the tape cassette housing is prevented during the loading/unloading operations of the tape cassette.

Abstract: A tape guide device for a magnetic recording/reproducing apparatus includes a pole base assembly to guide a tape supplied from a supply reel and passed through a predetermined path to be moved horizontally to a read surface of a head drum. The pole base assembly includes a pole base installed adjacently to or separately from one side of the head drum during a loading/unloading operation of the tape. The pole base assembly also includes a pole unit including a spiral flange inclined to the pole base to be in a horizontal direction to the read surface of the head drum, to guide the tape entering the head drum to be inclined at a predetermined angle and positioned in the horizontal direction to the read surface.

Abstract: A magnetic tape loading device for a tape recorder comprising a pole base assembly which moves along a deck chassis and takes a magnetic tape from a tape cassette during a loading of the magnetic tape, a guide rail which is mounted on the deck chassis to guide a movement of the pole base assembly during loading/unloading of the magnetic tape, and a movement prevention unit which prevents a movement of the pole base assembly during loading/unloading of the magnetic tape, and when the loading of the magnetic tape is completed.

Abstract: Disclosed is a reel clutch of a tape recorder. A plate spring is positioned between a reel gear and a reel disc of a reel disc assembly which is mounted on a deck of a tape recorder, and a stopper reel is provided on the reel disc to restrain the engaging height of the plate spring so that a torque is generated by the frictional contact between the reel disc and the plate spring, whereby assembly productivity can be enhanced and manufacturing costs can be reduced.

Abstract: A deck mechanism for a magnetic recording/reproducing apparatus comprises a main deck provided with a head drum and a capstan motor; a sub-deck installed on the main deck to be loaded/unloaded, the sub-deck being provided with a pair of reel discs, onto which tape reels of a tape cassette are seated; a pole base loading unit for taking out and guiding a tape to be in contact with a side of the head drum when the sub-deck is loaded and guides; a pinch roller unit for compressing the tape against a spindle of the capstan motor when the sub-deck is loaded; a brake unit for selectively braking one of the roll discs; a main sliding member mounted on the main deck to be capable of reciprocatingly sliding, the main sliding member controlling the driving of the pinch roller unit; and a main cam gear mounted on the main deck to be capable of rotating, the main cam gear causing operating all of the sub-deck, the pole base loading unit, the brake unit, and the main sliding member to perform linked movements while the ma