67results about "Recording heads arrangements" patented technology

To implement stable sound playback with high sound quality, a record player for playing back sound recorded on a phonograph record includes a rotator that rotates the phonograph record, a container arranged on a side of the rotator and capable of storing one of a liquid, powder, and gel, a float to be floated on the one of the liquid, the powder, and the gel stored, in a standstill state, in the container, an arm extended from the float in a direction of the rotator, and a phono cartridge attached to the arm and including a sound playback stylus.

The utility model provides a phonograph structure capable of adapting to discs with different sizes, which comprises a disc, a control structure, a singing rod arranged on the control structure, a driving structure arranged on the back of the control structure and used for driving the singing rod to swing, and a first separation blade and a second separation blade linked with the singing rod, the optical coupler is matched with the first blocking piece and the second blocking piece, the optical coupler is provided with an induction channel, the first blocking piece or the second blocking piece can enter the induction channel when the singing rod moves, when the first blocking piece is located in the induction channel, the singing rod is in a reset falling static state, and when the second blocking piece is located in the induction channel, the singing rod is in a reset falling static state. And when the singing rod is in a playing ending state, the phonograph structure also comprises an adjusting structure for adjusting the distance between the first separation blade and the second separation blade. According to the utility model, the start and stop of the phonograph can be controlled through the single optocoupler, and the phonograph can be compatible with discs of different sizes.

The invention discloses a disc player capable of automatically controlling a lifting arm and a rotating arm to move and a control method, and belongs to the technical field of vinyl disc players. The disc player comprises a singing arm, a singing arm lifting part used for controlling lifting of the singing arm, a singing arm rotating part used for controlling rotation of the singing arm, and an induction control part used for cooperative control according to the position of the singing arm. Wherein the tone arm lifting part realizes stable lifting of a tone arm through a first rotating power part, a screw rod and a sliding block with a z-shaped sliding groove; the singing arm rotating part drives the singing arm to accurately rotate through a second rotating power part and a turbine worm mechanism; the sensing control part accurately detects the position of the tone arm through a sensing arm synchronously rotating with the tone arm and U-shaped sensing blocks arranged at standby, starting and ending positions. The whole process of singing arm moving, needle falling, playing, arm lifting and returning can be automatically completed, operation is easy and convenient, equipment damage caused by improper manual operation can be effectively avoided, and use convenience and equipment reliability are improved.

The utility model belongs to the technical field of phonograph, and discloses a portable phonograph which comprises a storage box, a fixing plate and a phonograph body, a side box door is hinged to one side of the storage box, a sliding plate is horizontally arranged at the bottom of the storage box in a sliding mode, three placing frames are vertically arranged on the sliding plate at intervals, lifting assemblies are arranged on the two sides of the sliding plate, and the side box door is hinged to the fixing plate. The lifting assembly comprises mounting strips, strip-shaped holes and a driving unit, a hinge shaft is rotationally arranged on the mounting strip in the middle, two rockers are rotationally arranged on the hinge shaft, first clamping shafts are rotationally arranged at the upper ends of the rockers and slidably arranged in the strip-shaped holes in the upper side, and second clamping shafts are rotationally arranged at the lower ends of the rockers and slidably arranged in the strip-shaped holes in the lower side. The second clamping shaft is arranged in the strip-shaped hole in the lower side in a sliding mode. The driving unit drives the two second clamping shafts to slide inwards, so that the two rocking bars rotate relative to the hinged shaft, the placing frames on the upper side and the middle are lifted, the distance between the music films is large, the covers of the music films are directly observed, and the time for personnel to find the needed music films is shortened.

The utility model discloses an automatic swing arm type disc player. The automatic swing arm type disc player comprises a main shell; the first shell and the main shell are assembled, the side, away from the main shell, of the first shell is provided with a tone arm, the first end of the tone arm and the first shell are connected with a transmission assembly arranged in an internal containing space of the main shell, and the tone arm is arranged in the direction parallel to the first shell so that the second end of the tone arm can extend out of the top of the main shell; the disc is arranged on the side, away from the main shell, of the first shell, is parallel to the first opening and is fixedly connected with the transmission assembly, and the transmission assembly controls the singing arm to rotate and / or ascend and descend based on a control signal output by the processor in signal connection so as to adjust the position of the second end of the singing arm on the disc. According to the invention, the horizontally placed disc is changed into the vertically placed disc, the occupied area of the disc player is reduced, and the transmission assembly is utilized to drive the singing arm to move based on the control signal output by the processor, so that automatic adjustment of the singing arm is completed.

The invention belongs to the field of record preparation, and particularly relates to a composition for a vinyl record, a preparation method of the composition and the vinyl record. The composition for the vinyl record is prepared from the following components in parts by weight: 45 to 55 parts of vinyl chloride-vinyl acetate copolymer, 35 to 45 parts of polyvinyl chloride, 2 to 4 parts of plasticizer, 1 to 3 parts of flexibilizer, 0.3 to 1 part of heat stabilizer, 0.5 to 1 part of filler and 0.2 to 0.6 part of lubricant. The invention also discloses a preparation method of the composition. The preparation method comprises the steps of mixing, melting and plasticizing, pelletizing and post-processing. By adopting a double-resin composite system, the balance of rigidity and toughness of the material is effectively realized, so that the prepared vinyl record has excellent physical properties, high-fidelity tone quality and long service life.

This application provides a code generation method, apparatus, electronic device, and storage medium. The method includes obtaining a code file containing message body definition rules; obtaining an abstract syntax tree (AST) of the code file; and generating encoding / decoding code for the communication message body corresponding to a target programming language based on the AST. Therefore, this method can generate encoding / decoding code for the communication message body corresponding to a target programming language using the AST obtained from the code file containing the message body definition rules, overcoming the problem of wasted human resources caused by manually writing this encoding / decoding code.

A tone arm system comprising a hemispherical air bearing in a. pivoted tone arm operable on all axes so as to provide a virtually frictionless bearing operative on the tone arm, thereby enabling a stylus and cartridge that converts vibrations in the record groove to electrical signals, to transmit the signals without unwanted bearing noises impacting upon the sound quality of the transmission.

The utility model discloses a singing arm with lifting and slow playing functions, which comprises a singing arm seat and a singing arm body arranged on the singing arm seat, and further comprises a singing arm frame for supporting the initial position of the singing arm body, a lifting part used for lifting the singing arm body and a controller used for controlling the lifting amplitude of the lifting part are arranged on the singing arm seat, and the controller is used for controlling the lifting amplitude of the lifting part. According to the utility model, the lifting part can be lifted through the controller, the controller can be reset after the tone arm is moved to the upper part of the vinyl record, and the elastic device is enabled to buffer the natural descending force of the tone arm, so that the tone arm is prevented from falling off, and the tone arm is prevented from falling off. Therefore, the stable placing process is realized, and the damage to the record and the singing head is avoided.

Automatic tonearm lifting device for use with a tonearm (92) of a turntable (9), comprising: a base seat (1) that can be mounted on the turntable (9); a drive mechanism (2) comprising a stepper motor (21) mounted on the base seat (1) and an eccentric cam assembly (22) coupled to the stepper motor (21) to be rotated by the stepper motor (21) about an axis (M) in a predetermined angular range; and an arm lifting mechanism (3) which is movably attached to the eccentric cam arrangement (22), wherein during the rotation of the eccentric cam arrangement (22) the arm lifting mechanism (3) is moved in an up-down direction relative to the base seat (1) between a raised position and a lowered position, wherein the raised position is higher than the lowered position, wherein the arm lifting mechanism (3) supports and carries the tonearm (92) when the arm lifting mechanism (3) is in the raised position.

Device (1) for mounting a tonearm (2), in particular a tonearm (2) of a record player, with - a first component (3) and - a tonearm support body (4) which is rotatably mounted about a first axis (6), in particular a vertical axis, and pivotably mounted about a second axis (7), in particular a horizontal axis, relative to the first component (3) via a bearing device (5), wherein at least a first magnetic means (8) are arranged or formed on the tonearm support body (4) and at least a second magnetic means (9) are arranged or formed on the first component (3), wherein the first magnetic means (8) and the second magnetic means (9) interact with each other via a magnetically attractive and / or repulsive magnetic force.

SOLUTION: A liquid floating tone arm device for reading a record on a turntable includes a base 10, a liquid tank 20 provided on the base and located above the record, the liquid tank 20 extending along a linear direction and forming an accommodating space for accommodating a working fluid therein, and a cartridge assembly 30 floating in the liquid tank through a floating block, wherein a reading portion 32 and a counterweight portion 33 of the cartridge assembly are respectively located on two sides of the liquid tank. The audio track of the record is read by the contact of the record needle mounted on the reading portion, and as the record needle moves from the outer ring to the inner ring of the record, the cartridge assembly is driven to float in the liquid tank and move along a linear direction and can move freely.EFFECT: The contact angle between the record needle and the audio track can be held in parallel, and the audio signal can be read more appropriately.SELECTED DRAWING: Figure 1

An electric rotating arm vinyl disc player with a manual adjustment function comprises a controller, a disc assembly and a singing arm assembly which are arranged on a machine table, and the singing arm assembly comprises a singing arm, a U-shaped singing arm seat and a singing arm shaft; the independent auxiliary lifting singing arm mechanism and the flexible connection type rotating singing arm mechanism are arranged on the machine table, are in signal connection with the controller, and comprise a lifting rod and a translation lifting rod device; the width of a top cross rod part arranged at the upper part of the lifting rod in the horizontal and vertical direction of the singing arm is greater than the maximum swing distance of the singing arm rotating from a parking position to a playing finishing position; the lower end part of the lifting rod is in contact with the translation lifting rod lifting device in an abutting manner so as to lift the singing arm; a singing arm shaft extending out of the U-shaped singing arm seat penetrates through the singing arm shaft guide hole and is connected with the flexible connection type rotating singing arm mechanism, so that the singing arm can swing left and right around the singing arm shaft under the flexible connection type rotating singing arm mechanism or manual operation. The disc player not only has an automatic playing function of the electric rotating singing arm, but also can manually adjust the singing arm at any time.

The present invention relates to the technical field of record players, and in particular, to a record player with repeatable playback, including a fixing base; and a tone arm body, a tone arm shaft, a circuit control assembly, a lifting and sliding mechanism, and a horizontal swinging mechanism that are disposed on the fixing base respectively. An upper end of the tone arm shaft is connected to one end of the tone arm body, and the tone arm shaft is rotatably disposed on the fixing base. The circuit control assembly includes a support frame; and a control circuit board, an encoder component, a rotating arm positioning component, and an induction gear that are disposed on the support frame. A gear transmission structure is disposed on one side, close to the gear, of the rotating arm positioning component.

The utility model relates to a phonograph, and discloses a precision fine tuning singing arm phonograph, comprising a placing box, the inner wall of the placing box is fixedly connected with a box body, the top outer wall of the box body is rotatably connected with a singing arm, the top outer wall of the box body is provided with an adjusting mechanism, the adjusting mechanism comprises a fixing plate, and the fixing plate is fixedly connected with the box body. The bottom of the fixing plate is fixedly connected to the outer wall of the top of the tone arm, the top of the fixing plate is fixedly connected with a supporting rod, the top end of the supporting rod is fixedly connected with a sliding rail, the outer wall of the sliding rail is slidably connected with a sliding block, and the inner wall of the sliding block is slidably connected with a limiting plate. According to the utility model, by rotating the elliptical wheel, the projection of the elliptical wheel extrudes the limiting plate and drives the sliding block to slide on the sliding rail, so that the horizontal position of the singing arm is changed, the playing requirements of different records can be met, and after adjustment is completed, the magnetic attraction block and the magnetic attraction groove attract and fix the singing arm to prevent the singing arm from moving due to vibration during playing.

The utility model relates to the technical field of record players, in particular to a record player. The disc player comprises a shell, a first partition plate and a second partition plate, the first partition plate and the second partition plate are arranged in a T shape in the shell, a top plate is arranged on the first partition plate and the second partition plate, so that a functional cavity and two sound cavities are formed in the shell, a circuit board is arranged in the functional cavity, a sound production unit is arranged in each sound cavity, and the sound production units are connected with the circuit board. The top plate is provided with a supporting plate, the supporting plate is provided with a singing arm assembly and a disc assembly which are matched with each other, the supporting plate is connected with the top plate through a plurality of vibration reduction assemblies, part of the vibration reduction assemblies correspond to the function cavities, and part of the vibration reduction assemblies correspond to the sound cavities. By adopting the above mode, the tone quality of the disc player can be improved.

The utility model discloses a universal type vinyl record player disc assembly, which belongs to the technical field of vinyl record players, and comprises a base, a protective structure is sleeved on the inner side wall of the base, the protective structure comprises a protective layer, the protective layer is sleeved on the inner side wall of the base, a wear-resistant pad is arranged at the center of the lower end surface of the base, and the wear-resistant pad is arranged on the inner side wall of the base. A wear-resistant layer is arranged at the center of the lower inner wall of the base, a balancing weight is arranged in the base on the inner side wall of the protective layer in a sleeved mode, a sealing plate is arranged at the center of the upper end face of the balancing weight, and a disc structure is arranged on the inner side wall of the sealing plate in a sleeved mode. The first gear and the adjusting rod in the sliding channel are driven to move, the position of the adaptive ring on the adjusting rod can be adjusted according to different record specifications, the disc assembly can adapt to placement and playing of records of different sizes or types, the universality and applicability of the disc assembly are enhanced, and diversified requirements of users are met.

Device (1) for mounting a tonearm (2), in particular a tonearm (2) of a record player, comprising - a first component (3) and - a tonearm support body (4), which is rotatably mounted about a first axis (6), in particular a vertical axis, and pivotably mounted about a second axis (7), in particular a horizontal axis, relative to the first component (3) via a mounting device (5), wherein at least a first magnetic means (8) are arranged or formed on the tonearm support body (4) and at least a second magnetic means (9) are arranged or formed on the first component (3), wherein the first magnetic means (8) and the second magnetic means (9) interact with each other via a magnetically attractive and / or repulsive magnetic force.

To implement stable sound playback with high sound quality, a record player for playing back sound recorded on a phonograph record includes a rotator that rotates the phonograph record, a container arranged on a side of the rotator and capable of storing one of a liquid, powder, and gel, a float to be floated on the one of the liquid, the powder, and the gel stored, in a standstill state, in the container, an arm extended from the float in a direction of the rotator, and a phono cartridge attached to the arm and including a sound playback stylus.

A record player includes a base, a platter assembly, a first arm assembly, a light sensor, a first motor, and a controller. The base has an upper surface. The platter assembly is disposed within the base and has a platter for placing a record, wherein the platter assembly is configured to drive the record to rotate. The first arm assembly is connected to the base. The light sensor is disposed on the first arm assembly and is configured to detect a reflected light signal from a surface of the record placed on the platter. The first motor is connected to the first arm assembly. The controller is disposed in the base and is electrically connected to the first motor, the platter assembly, and the light sensor, wherein the controller is configured to control the first motor based on the reflected light signal to cause the first motor to drive the first arm assembly to move relative to the platter assembly. The record player can scan a smooth area and a groove area of the record on the platter by the light sensor to adjust and automatically stop for different lengths of songs.

The utility model discloses a retro disc player, which comprises a disc player main body, a PCBA board and a loudspeaker main body are arranged in the disc player main body, and the loudspeaker main body corresponds to a sound hole in the disc player main body in position; the trumpet-shaped lamp tube is arranged on one side of the upper part of the disc player main body, and a trumpet-shaped main body is mounted on the trumpet-shaped lamp tube; the whole trumpet-flower lamp tube is transparent and is of a bent structure, and an LED lamp is arranged in the trumpet-flower lamp tube. According to the utility model, through the built-in lithium battery and the replaceable 2A battery, stable operation of the disc player in different environments is ensured, and the portability and the use flexibility of the equipment are enhanced.

The invention relates to record player (1) comprising a turntable (2) for receiving and rotating a record (3), and a tonearm (4) for playing the record. The tonearm has a carrier arm (6) and a pickup arm (7) provided with a record player needle (8). The carrier arm (6) and the pickup arm (7) are pivotally connected to each other at a pivot axis (9) such that the pickup arm is freely pivotable relative to the carrier arm in a plane which is parallel with a record receiving surface (10) of the turntable (2), and when the tonearm (4) is in a position for playing the record (3), the record player needle (8) is arranged downstream the pivot axis (9) with respect to a rotation direction (16) of the turntable (2) and the carrier arm (6) is directed against the rotation direction (16) of the turntable (2).

The utility model discloses a worm-type singing arm of a disc player, which relates to the field of nest-type singing arms and comprises an upper arm and a lower arm, the bottom surface of the upper arm is fixedly connected with an insertion rod, the top surface of the lower arm is provided with an insertion groove matched with the insertion rod, two sides of the upper arm are fixedly connected with positioning blocks, two sides of the lower arm are rotatably inserted with connecting blocks, the connecting blocks are fixedly sleeved with positioning rods, and the positioning rods are fixedly connected with the positioning rods. A first groove is formed in the top face of the positioning block, the positioning rod can be inserted into the first groove from top to bottom, a clamping structure for conducting auxiliary clamping on the positioning rod is arranged in the first groove, an empty groove is formed in the positioning block, and a positioning structure for positioning the clamping structure is arranged in the empty groove. The positioning rod can not move in the clamping structure through the positioning structure, and the length of the nest-shaped singing arm can be flexibly adjusted through the arrangement of the upper arm and the lower arm, so that the application range of the nest-shaped singing arm is wider.

A chassis may include a member. The member may include a system channel for a liquid coolant to flow and a slot in the member for a storage device. A liquid cooling block may be associated with the slot in the member. The liquid cooling block may include a block channel for the liquid coolant to flow to remove heat from the storage device.

The utility model relates to the technical field of disc players, in particular to a disc player capable of playing in optional areas, which comprises a fixed seat, and a singing arm body, a singing arm shaft, a circuit control assembly, a lifting sliding mechanism and a horizontal swinging mechanism which are respectively arranged on the fixed seat, the upper end of the singing arm shaft is connected with one end of the singing arm body, and the singing arm shaft is rotatably arranged on the fixed seat; the circuit control assembly comprises a supporting frame, a control circuit board arranged on the supporting frame, an encoder component, a rotating arm positioning component and an induction gear. A gear transmission structure is arranged on the side, close to the gear, of the rotating arm positioning component. The middle of the induction gear is connected with a connecting shaft. The music player is novel in structure, the external control terminal positions the playing areas of the tracks according to codes of the encoder component, and the control circuit board drives the lifting sliding mechanism and the horizontal swing mechanism to select the corresponding playing areas of the tracks to play according to control information provided by the external control terminal. Therefore, the selectable area playing function of the utility model is realized.

The utility model relates to the technical field of record players, in particular to a device for automatically identifying the size of a record and a record player thereof, which comprises a panel main body, a turntable main body, a rotating shaft assembly, an induction assembly and a driving assembly, the rotating shaft assembly is arranged at the center of the panel main body, and the center of the turntable main body is movably connected with the rotating shaft assembly; the driving assembly is used for driving the rotating disc body to rotate, the induction assembly is arranged at the bottom of the panel body, a first penetrating hole and a second penetrating hole are formed in the panel body, the induction assembly comprises a first induction switch and a second induction switch, and the first induction switch and the second induction switch are arranged in the radial direction of the rotating disc body. A first induction hole and a second induction hole are sequentially formed in the rotary disc body in the radial direction. The device is novel in structure and ingenious in design, the size specification of a record can be automatically identified, manual adjustment is not needed during playing, the automation degree is increased, and the user experience is optimized.

The utility model relates to the technical field of record players, in particular to an elastic supporting leg and a record player. The elastic supporting foot comprises a mounting base and a connecting base connected with the mounting base, a first elastic piece is clamped between the mounting base and the connecting base, and a second elastic piece is arranged on the side, away from the first elastic piece, of the connecting base; the mounting base is used for being connected with a shell of the record player, and the second elastic piece is used for being in abutting contact with a placement table top. By adopting the mode, the transmission of the vibration to the placing table top can be reduced, so that the influence of the vibration on the record player is reduced.

The embodiments of the present application relate to the technical field of vinyl record player devices. Disclosed is a vinyl record player device. The vinyl record player device comprises: a device body, a spindle, a turntable, and a driving assembly connected to the device body, wherein the spindle is rotationally connected to the device body by means of a bearing assembly, and the spindle is fixedly connected to the turntable, and there is a preset distance between the turntable and the device body; the driving assembly is arranged on the device body, and the driving assembly is in transmission connection with the turntable; and the spindle comprises a first connecting section and a second connecting section which are connected in sequence, the first connecting section being connected to the bearing assembly, and the second connecting section being connected to the turntable. The diameter of the first connecting section is smaller than that of the second connecting section, such that the end of the second connecting section facing the first connecting section engages with the bearing assembly for limitation; alternatively, an annular engagement protrusion is provided at the joint between the first connecting section and the second connecting section, such that the spindle engages with the bearing assembly for limitation by means of the annular engagement protrusion. In this way, material and processing costs can be reduced, while the stability during use is improved.

The utility model relates to the technical field of record players, in particular to a rotating speed detection device of a turntable of a record player and the record player thereof, which comprises the turntable, a fixed support, a rotating shaft, a radial magnet, a magnetic encoder, a circuit board and a driving assembly, the magnetic encoder is arranged on the circuit board, the radial magnet is arranged at the lower end of the rotating shaft, the circuit board is located below the rotating shaft, the radial magnet and the magnetic encoder are correspondingly arranged, and the driving assembly is arranged at the other end of the fixing support and used for driving the rotating disc to rotate. The device is novel in structure and ingenious in design, and the magnetic encoder can detect the rotating speed state of the turntable in real time by sensing the angular displacement value of the radial magnet; compared with a traditional photoelectric encoder, the magnetic encoder is insensitive to dust and oil stain and has strong anti-interference performance; non-contact detection avoids mechanical wear, the service life is long, and the precision is stable.