Abstract: A tape cartridge provided with a slider member slidably mounted for sliding movement in forward and backward directions at an outer side under surface on the bottom wall of a main casing for closing and opening a pocket, a front lid pivotally connected to the main casing for covering a front face of the main casing, an upper lid for closing the open upper face of the pocket, a front edge of the upper lid being pivotally connected to an upper edge of the front lid through pins such that when the front lid is pivoted for upward opening, the upper lid is displaced for retraction to a rear side from an open upper face of the pocket in association with the movement of the front lid.

Abstract: A tape cartridge is arranged so that when an upper lid of a pocket portion of the tape cartridge is in a position for opening the upper side of the pocket portion, the upper lid is positioned above an upper surface of a casing body so that a lower surface of the upper lid faces the upper surface of the casing body through a gap in which a member of a recording/reproduction apparatus for depressing the cartridge can be placed. When the upper lid is in the position for opening the upper side of the pocket, the cartridge depressing member of the recording/reproduction apparatus is placed in the gap to depress the cartridge, whereby the cartridge can be stably depressed to and mounted in a predetermined position in the recording/reproduction apparatus when the cartridge is loaded in the apparatus.

Abstract: A magnetic tape cassette having tape reels on which a magnetic tape is wound, includes magnetic tape regulating members one end portion of which is securely fixed on the magnetic tape cassette, with other portions being in contact with edge portions of the magnetic tape so as to regulate side edge alignment of the magnetic tape in the magnetic tape cassette.

Abstract: A tape cartridge having a right and left pair of reels around which a tape is wound, within a casing equipped with a front cover, a reel lock mechanism provided within the casing for preventing the reels from rotating, a release member is disposed on the inner, upper face of the bottom wall of the casing so as to be movable back and forth, a slider for opening and closing the lower face of the pocket for tape loading fitted to the outer, lower face of the bottom wall of the casing so as to be movable back and forth, such that when the slider moves backward, the release member is moved backward nearly at the terminating end of the backward travel stroke of the slider, so as the backward movement of the release member, the reel lock mechanism is moved, thereby releasing the reels from locking for rotation, thus, while the front cover is kept from any excessive upward opening force, the reels can be locked and released for rotation by the movement of the slider.

Abstract: A tape run control unit in a magnetic recording and reproducing apparatus is provided with a discriminator and on a controller. The discriminator detects a stand-by time until a signal to be recorded is received in repositioning of the tape and generates a discrimination signal for discriminating the length of the stand-by time. The controller controls tape driving unit such as a capstan motor during the reposition and controls the stop position of the tape such that a magnetic head scans the portion of the tape where no data is recorded. After completion of repositioning, furthermore, the controller is responsive to a discrimination signal so as to select the stop mode which involves the release of pinch roller when the stand-by time is long and to select the mode for simply stopping only the capstan when the stand-by time is short.

Abstract: A video camera recorder having a watertight housing including a housing body, a housing bottom and a closure for closing an opening of the housing. The opening is watertightly closed by a watertight structure including an annular bead formed in the housing and a packing provided to the closure. An electronic view finder is watertightly isolated in a space defined between a partition wall, arranged within the housing, and the housing. A cover is provided between the closure and an electronic equipment, such as a video deck, disposed within the housing, and a packing is arranged between the housing and the cover so that the space surrounded by the cover and the housing is held watertightly. Alternatively, the gap between a portion of a video deck disposed in the housing and a housing is watertightly sealed, the portion of the video deck projecting from the housing the opening. A water absorbent or a water sensor is disposed in a recess formed in the housing.

Abstract: A magnetic recording/reproducing apparatus comprises a main chassis on which a cylinder having a rotary magnetic head attached thereto is mounted, a subchassis which is supported on the main chassis so as to be movable toward and away from the cylinder and on which reel mounts are mounted for engagement with reels of a magnetic tape cassette, a driving motor, tape guide members serving to form a predetermined path through which a magnetic tape moves so as to be wound around the cylinder, a pinch roller which cooperates with a capstan to hold the magnetic tape therebetween so as to move the magnetic tape in a predetermined direction, brakes for applying predetermined rotational loads to the reel mounts, operation members for operating the pinch roller and/or brakes, cam members for imparting a predetermined displacement to the operation members, and transmission members for transmitting the driving force from the driving motor to the cam members, wherein at least the driving motor, the brake members, as well a

Abstract: A plurality of tape guides are moved to wind a magnetic tape on a rotatable cylinder when the magnetic tape is to be loaded. An auxiliary guide mounted on a chassis of a magnetic recording and/or reproducing apparatus in position is made to touch the magnetic tape during a period for which the magnetic tape is being loaded, but it does not touch the magnetic tape when the magnetic tape has been loaded. The auxiliary guide can be protruded toward the magnetic tape from between the tape guides moving to touch the magnetic tape during the period for which the magnetic tape is being loaded so that the magnetic tape can be kept to a predetermined span.

Abstract: A tape guide mechanism for a VTR includes a pair of first guides disposed respectively at a tape entrance side and a tape exit side of a cylinder and positioned immediately adjacent to the cylinder, a pair of second guides disposed adjacent to the pair of first guides, respectively, and a third guide provided in a path of travel of a tape extending between the first guides and the second guides, so as to prevent opposed surfaces of the tape, disposed respectively at the tape entrance side and the tape exit side, from being contacted with each other. The third guide may be of a rotary type and be disposed more remote from the cylinder than the first guides.

Abstract: A tape loading mechanism for a magnetic recording and reproducing device to pull out a magnetic tape from a tape cassette containing the magnetic tape to wind the magnetic tape for a predetermined winding angle around a rotating cylinder having a rotating head mounted thereon comprising an incoming-side tape pull-out guide device for pulling out the magnetic tape from the tape cassette to form an incoming-side portion of a tape running path, the incoming-side tape pull-out device having a plurality of tape guides which engage with the magnetic tape; first outgoing-side tape pull-out guide device for pulling out the magnetic tape from the tape cassette and winding the tape for a predetermined angle around the rotating cylinder, the first outgoing-side tape pull-out guide device having a first inclined tape guide to change the running direction of the magnetic tape upwardly; and second outgoing-side tape pull-out guide device for forming an outgoing-side portion of the tape running path in cooperation with the

Abstract: A helical scanning type of magnetic recording/reproducing apparatus in which a first entrance-side tape height regulation guide is disposed in a level higher than a center of a plane of rotation of magnetic heads mounted on a rotary drum assembly when the magnetic tape is loaded on the rotary drum assembly, and a first exit-side tape height regulation guide is disposed in a level lower than the center of the plane of rotation of the magnetic heads. The rotary drum assembly is disposed in a higher position such that its upper end is in the same level as an upper end of a lid of a tape cassette. The cassette is disposed at a lever lower than that of the first exit-side tape height regulation guide. The first entrance-side and the first exit-side tape height regulation guides are driven by a loading ring inclined towards the cassette so as to move while engaging with the magnetic tape during loading or unloading.

Abstract: In a magnetic video tape recorder of the cassette type with a tape tension controller comprising a tension detection arm one end of which contacts with one surface of a magnetic tape drawn from the cassette in order to detect the change of the tension in the magnetic tape there is provided a pair of roller pins each is positioned at each side of the detection arm and contacts another surface of the magnetic tape. Since the magnetic tape is turned down with an acute angle at one end of the detecting area, the detecting arm can fully detect the change of the tension.

Abstract: A tape loading mechanism of a video tape recorder includes a tape guide carrier for driving first and second groups of tape guides for pulling out withdrawing a tape from a cassette and winding the tape to a tape guide drum having an arcuate shape so as to rotate around the tape guide drum and drive the tape guide groups. The tape guide groups are mounted to end of the tape guide carrier and the carrier is disposed at the intermediate position of height between the first and second tape guide groups held by a positioning mechanism. Accordingly, the rotating plane of the tape guide carrier rotating around the guide drum is positioned between the first and second tape guide groups.

Abstract: The present invention relates to a magnetic recording and reproducing device wherein reproduction monitoring can be made directly after recording, and more particularly to a construction of a rotary drum for the same. The magnetic recording and reproducing device includes a single recording channel for n recording magnetic heads, and n reproducing channels for n reproducing magnetic heads. The recording channel is provided either on an innermost circumference side or on an outermost circumference side of a rotary transformer. Since the device has such a reduced number of recording channels, the distance between adjacent channels can be increased and the transmission loss of a reproduction signal can be reduced.

Abstract: A tape guide moving mechanism for use with magnetic tape reproducing apparatus having a cylindrical cylinder mounted with a rotatable magnetic head thereon, and adapted to draw a magnetic tape from a tape cartridge and wound the magnetic tape on the cylindrical outer surface of said cylinder, comprising: a plurality of tape guides having a first group of tape guides and a second group of tape guides, drawing out the magnetic tape in a direction parallel to a plane perpendicular to the rotating axes of said supply and take-up reels; and drawing out the magnetic tape through said second position in slanting relation to a plane perpendicular to the rotating axis of said supply and take-up reel and winding said thus drawn magnetic tape around said cylinder in slanting relation to the plane section thereof.

Abstract: A signal recording/reproducing apparatus for use with a tape cassette comprises a cylinder assembly having an outer peripheral surface. The cylinder assembly has mounted thereon heads for recording and reproducing a signal on and from a magnetic tape in the tape cassette, respectively, and a lead formed on the outer peripheral surface of the cylinder assembly so as to helically extend, to define a running path of the magnetic tape on the outer peripheral surface of the cylinder assembly. A pair guides guide the tape so that the tape is helically wound over a predetermined angular extent along the lead upon the recording/reproducing of the signal. The pair of tape guides are located and oriented in their predetermined positions such that the tape guides impart a force to the tape to press the tape onto the lead during recording and reproduction thereby to permit the tape to move along the lead.

Abstract: A magnetic recording and reproducing apparatus of rotary head type such as a rotatable video tape recorder has a tape guide for guiding the magnetic tape when the tape runs on and around a cylinder carrying rotary heads. A tape loading movable member carries the tape guide. A tape loading drive is provided for driving the tape loading movable member so as to move the tape guide between a tape loading position where it places the magnetic tape in contact with the cylinder through a predetermined angle and an unloading position where it keeps the magnetic tape away from the cylinder. A locating unit is provided on at least one of the cylinder and a cylinder base carrying the cylinder. The locating unit is adapted for engaging with the tape loading movable member in the tape loading position so as to locate the tape guide with respect to the cylinder.

Abstract: A locking device for a cover of a magnetic tape cartridge for locking a pivotable cover for covering magnetic tape inlet and outlet ports of the magnetic tape cartridge, including a projection formed on an arm for pivotally supporting the pivotable cover which is engageable with an engaging claw section of a locking member which further includes an operation section and a resilient section. The locking member is pivotally supported on a magnetic tape cartridge case and urged by the biasing force of the resilient section to bring the engaging claw section into engagement with the projection. The operation section of the locking member is located in a position in which it is capable of cooperating with an unlocking pin moved from three directions, to thereby give latitude to the process for loading a magnetic tape cartridge on a magnetic recording and reproducing apparatus.

Abstract: A magnetic recording/reproducing apparatus for recording onto or reproducing from a magnetic tape housed in a cassette by using a rotary magnetic head having a tape withdrawal arrangement for winding a portion of the tape between the two reels in the cassette around the rotary magnetic head by a predetermined angle. A tape drive feed the magnetic tape at a constant speed, with a reel drive being provided for driving either one of the two reels so as to take up the magnetic tape in the reel driven by the reel drive, and with brake arrangement for braking the rotation of the reels. A ring-shaped cam operating member is provided in the outer peripheral surface or the inner peripheral surface thereof with cam surfaces each for effecting the operation of the respective elements in response to the mode of operation of the magnetic recording/reproducing apparatus.

Abstract: A magnetic recording/reproducing apparatus for recording onto or reproducing from a magnetic tape housed in a cassette by using a rotary magnetic head having a tape withdrawal arrangement for winding a portion of the tape between the two reels in the cassette around the rotary magnetic head by a predetermined angle. A tape drive feed the magnetic tape at a constant speed, with a reel drive being provided for driving either one of the two reels so as to take up the magnetic tape in the reel driven by the reel drive, and with brake arrangement for braking the rotation of the reels. A ring-shaped cam operating member is provided in the outer peripheral surface or the inner peripheral surface thereof with cam surfaces each for effecting the operation of the respective elements in response to the mode of operation of the magnetic recording/reproducing apparatus.