TWM478892U - Audio player - Google Patents

Description

Audio player

The present invention relates to a player, and more particularly to an audio player for playing audio and being operable to change the effect of music playback.

In general, in order to be able to create a lively atmosphere in certain situations, DJ personnel will use their hands to push vinyl records on a record player, which controls the rotation speed and direction of rotation of the record. Specific music pieces can be played at different speeds and even played back repeatedly. Together with adjusting the volume and the changes of high and low sounds, it can produce the effect of attracting people and create a lively atmosphere.

Referring to FIG. 1, a known analog audio player includes: a rotating shaft 11 that can be driven to rotate, a turntable 12 that is rotatably coupled with the rotating shaft 11 and can be placed by a vinyl record 10, and a reading wheel for reading The phono handle 13 of the music information of the vinyl record 10, the visor 14 mounted on the bottom section of the rotating shaft 11 in a synchronous manner, and a light sensor fixedly disposed for detecting the rotation state of the visor 14 The light sensing member 15 is mainly used for detecting by the light blocking principle.

Because the light shielding sheet 14 and the rotating shaft 11, the turntable 12 and the black plastic The record 10 is rotated in synchronization, so that the light sensing member 15 detects the rotation state of the light shielding sheet 14 to obtain information such as the rotational speed and the rotational direction of the vinyl record 10. When the vinyl record 10 is pushed by an external force or driven to rotate in the opposite direction, the rotation speed of the turntable 12 is slowed or reversed, and the rotation state information can be detected by the light sensing component 15 . However, since the structure of the light sensing member 15 is complicated and the light shielding sheet 14 is to be used for detection, the overall structure of the detecting structure is complicated, the installation is difficult, and the cost is high.

The analog audio player due to the turntable 12 and the vinyl record 10 shares the same shaft, so it is a single-axis design. The existing digital audio player adopts a dual-axis design, which mainly includes a first rotating shaft combined with a turntable, and a second rotating shaft coupled with an analog turntable, and the analog turntable can be placed on the turntable for synchronization. Rotate, but when the analog disc is pushed by an external force, it can rotate at a different speed than the turntable. The analog disc of such a digital audio player is only used by the DJ for the purpose of simulating the experience of operating a conventional vinyl record, but the analog disc does not store music information, and the digital audio player actually plays a pre-play. The mp3 music stored therein, or the music for playing another CD record, and when the analog turntable is pushed and the rotation speed is slowed or reversed, the signal of the rotation state is also transmitted to the digital audio player. The central control system controls the playback of corresponding repetitive pieces of music or produces other special musical effects.

The above digital audio player must be set with the first rotating shaft Simultaneously rotating the first light shielding sheet, and a first light sensing member for detecting the rotation state of the first light shielding sheet, and further providing a second light shielding sheet for rotating in synchronization with the second rotating shaft, and one for Detecting the rotation of the second light shielding sheet The second light sensing member of the state is provided with two light shielding sheets and two light sensing members as a whole, so that the detection structure is complicated, the installation is troublesome, and the cost is high. In addition, in the patent application No. 568333 of Taiwan, a digital audio player previously proposed by the applicant of the present invention is also disclosed.

Therefore, the purpose of the present invention is to provide an audio player that is simple in structure, easy to install, and low in cost.

Therefore, the audio player of the present invention can read the music information of a record and play the music, and the audio player comprises: a turntable that can be driven to rotate and can be placed on the record, and is coupled with the turntable. a rotating shaft, a magnetic member coupled to the rotating shaft, and a pair of magnetic detecting members disposed on the magnetic member, wherein the magnetic detecting member detects the change of the magnetic field generated by the magnetic member to obtain the rotating state of the rotating plate .

The present invention also provides another audio player for placing an analog record, and comprising: a driveable rotating turntable, a rotating shaft coupled with the turntable, a mounting shaft, and a coupling mechanism with the mounting shaft The magnetic member and a pair of magnetic detecting members provided with the magnetic member. The mounting shaft is coaxially disposed with the rotating shaft and is rotatable by driving. The mounting shaft is coupled to the analog disc, and the mounting shaft and the rotating shaft are independently rotatable. The magnetic detecting component detects a change in a magnetic field generated by the magnetic member to obtain a rotating state of the mounting shaft.

The effect of the novel: detecting the change of the magnetic field generated by the magnetic member by the magnetic detecting component, thereby detecting the change of the rotational speed and direction of the rotating disk and the record, or applying to the second type of audio player Detective Measure the speed and direction of the mounting shaft. Since the magnetic member and the magnetic detecting member have a simple structure and a simple sensing detection principle, the present invention can achieve the advantages of simple structure, easy installation, and low cost.

21‧‧‧record

22‧‧‧Music record

31‧‧‧ Turntable

32‧‧‧ shaft

33‧‧‧ drive unit

331‧‧‧Electromagnetic mount

332‧‧‧Electromagnetic rotating seat

34‧‧‧Magnetic parts

341‧‧‧N pole

342‧‧‧S pole

35‧‧‧Magnetic detection parts

36‧‧‧Single handle

361‧‧‧Read head

37‧‧‧Installation shaft

38‧‧‧Light sensing unit

381‧‧‧shading film

382‧‧‧Light sensing parts

39‧‧‧ Analog handle

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a partial cross-sectional view of a known audio player; FIG. 2 is a first comparison of the present audio player. 3 is a cross-sectional view of a portion of the preferred embodiment of the present invention; and FIG. 4 is a cross-sectional view of a second preferred embodiment of the present type of audio player.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 2 and 3, a first preferred embodiment of the present type of audio player can read music information of a record 21 and play music. The record 21 is, for example, a vinyl record. The audio player includes: a picture A housing (not shown), a turntable 31, a rotating shaft 32, a driving unit 33, a magnetic member 34, a magnetic detecting member 35, and a handle 36 are provided.

The housing of the embodiment defines an installation space for housing and protecting components such as the turntable 31, the rotating shaft 32, the driving unit 33, the magnetic member 34, and the magnetic detecting member 35. The shape of the outer shell is not special Special restrictions.

The turntable 31 can be driven to rotate relative to the housing and is available The album 21 is placed. A portion of the turntable 31 is located in the installation space of the outer casing, and is partially exposed above the outer casing. The top surface of the turntable 31 can carry the record 21.

The rotating shaft 32 is coupled with the turntable 31 and inserted into the knot The rotating shaft center of the turntable 31 is engaged, and a portion of the rotating shaft 32 protrudes upward from the turntable 31.

The driving unit 33 includes an electromagnetic fixing base 331 and a An electromagnetic rotating seat 332 fixed to the turntable 31. When the electromagnetic fixing base 331 is energized, a magnetic force is generated, so that the electromagnetic rotating base 332 can be rotated by electromagnetic interaction with the electromagnetic fixing base 331 , and the electromagnetic rotating base 332 further drives the rotating plate 31 to rotate synchronously with the rotating shaft 32 . . Since the drive unit 33 is not an improvement focus of the present invention, it will not be described.

The magnetic member 34 of this embodiment is a magnet and is rotated with The shaft 32 is rotatably coupled to the bottom of the rotating shaft 32. The magnetic member 34 has an N pole 341 and an S pole 342 opposite in magnetic polarity.

The magnetic detecting member 35 is disposed corresponding to the magnetic member 34, and The change of the magnetic field generated by the magnetic member 34 can be detected to obtain the rotational state of the turntable 31. Specifically, the magnetic detecting member 35 of the present embodiment is a magnetic sensor integrated circuit (magnetic sensor IC), which can be used for detecting a change in the magnitude of a magnetic field and a direction of a magnetic field, and the magnetic detecting member 35 is fixedly and spacedly mounted thereon. Below the magnetic member 34.

The horn 36 is located above the turntable 31 and the rotating shaft 32, and There is a read head 361 at one end thereof, which can be used to read the music information of the record 21, thereby driving the horn of the audio player which is not shown to play the music.

When the new type is used, when the driving unit 33 is energized, it can be carried The turntable 31 is rotated with the rotating shaft 32, so that the record 21 located on the turntable 31 is also rotated. The magnetic member 34 also rotates along the rotating shaft 32, so that the N pole 341 and the S pole 342 on the magnetic member 34 cause a change in the surrounding magnetic field due to the rotation. The magnetic detecting member 35 can detect the change of the magnitude of the magnetic field generated by the magnetic member 34 and the direction of the magnetic field, and obtain the rotational speed and the rotational direction of the turntable 31 and the record 21 to obtain the operating state of the record 21. The player 36 can convert the read music information and play the music through the speaker. When the DJ person applies the force on the record 21 by hand to change the rotation speed or the rotation direction of the record 21, the turntable 31, the rotating shaft 32 and the magnetic member 34 also change the rotation speed or direction, and the magnetic detection is performed. The device 35 can also detect the change in the rotational speed or direction of the record 21 by detecting a change in the magnetic field, and the audio player can play a corresponding special sound effect change accordingly.

In summary, the present invention detects the signal by the magnetic detecting component 35. The magnetic field generated by the magnetic member 34 changes, so that the change in the rotational speed or direction of the turntable 31 and the record 21 can be detected. The magnetic member 34 and the magnetic detecting member 35 are simple in structure, simple in sensing detection, easy to install, and low in cost, and the magnetic member 34 and the magnetic detecting member 35 are substituted for the conventional single-axis player. The visor and the light sensing component can indeed achieve the advantages of simple structure, easy installation and low cost.

Referring to FIG. 4, a second preferred embodiment of the present audio player The difference from the first preferred embodiment is that the audio player of the embodiment is a digital audio player, and includes a casing, a turntable 31, a rotating shaft 32 coupled with the turntable 31, and a rotating shaft 32. And a driving unit 33 for driving the turntable 31 and the rotating shaft 32, a magnetic member 34, a magnetic detecting member 35 and an analog horn 39, and a mounting shaft 37 coaxially disposed with the rotating shaft 32, and A light sensing unit 38 mounted within the housing.

The mounting shaft 37 of the present embodiment is coupled to the top of the rotating shaft 32 And being disposed coaxially with the rotating shaft 32, and the mounting shaft 37 can be driven to rotate, the mounting shaft 37 can rotate synchronously with the rotating shaft 32, but the mounting shaft 37 and the rotating shaft 32 can also rotate independently, and the shaft The mounting shaft 37 is rotatably coupled to an analog record 22.

The analog record 22 is a sleeve that rotates in synchronization with the mounting shaft 37. The analog record 22 is not provided for playing music. The analog record 22 is only for the DJ to operate and rotate to provide the operation pleasure of simulating a conventional vinyl record. In fact, the audio player of the embodiment is provided. Plays built-in mp3 digital music. When the DJ personnel changes the rotation speed or direction of the analog record 22, the change signal of the rotation state can be transmitted to the central processing system inside the audio player, so that the audio player can generate phase when playing mp3 digital music. Corresponding special change sound effects.

The light sensing unit 38 of the embodiment includes a shaft 32 A light shielding sheet 381 coupled in conjunction with the light sensing member 382 for detecting the rotation state of the light shielding sheet 381. The light sensing member 382 can be configured by the light shielding sheet 381 The light intercepting signal is generated by the principle of light interruption generated during the rotation, and information such as the rotational speed and the rotational direction of the rotating shaft 32 and the rotating plate 31 can be obtained.

When the embodiment is used, the driving unit 33 can drive the turntable 31 is rotated, and when not subjected to other external force, the turntable 31, the rotating shaft 32, and the mounting shaft 37 rotate in synchronization with the analog record 22. When the DJ person applies the force to the analog record 22 by hand, since the mounting shaft 37 itself can also rotate relative to the rotating shaft 32, the rotational speed of the mounting shaft 37 is different from the rotational speed of the rotating shaft 32, and the analog record Since the magnetic member 34 is coupled to the mounting shaft 37 in conjunction with the magnetic member 34, it rotates in synchronization with the mounting shaft 37. The analog horn 39 is located above the mounting shaft 37. Therefore, the magnetic detecting member 35 located on the analog horn 39 can obtain the mounting shaft 37 and the simulation by detecting the magnetic field change of the magnetic member 34. The rotational speed and the rotational direction of the record 22, while the analog horn 39 of the present embodiment is only for simulating the stylus on the vinyl record player, in fact, the analog horn 39 does not need to have the function of reading the record music information. The light sensing unit 38 can be used to detect the rotational state information of the rotational speed and the rotational direction of the rotary disk 31 and the rotating shaft 32. Since the operation and detection mode of the optical sensing unit 38 is not an improvement focus of the present invention, Again.

Therefore, the function of this embodiment is equivalent to the previous two-axis broadcast. The machine is released (because the rotating shaft 32 is separated from the mounting shaft 37), and the magnetic member 34 and the magnetic detecting member 35 are used to detect the rotating state of the mounting shaft 37. In this embodiment, only one light shielding sheet 381 and one light sensing element 382 need to be disposed. Compared with the conventional two-axis audio player, two light shielding sheets and two light sensing members are required. Simple structure and easy installation The effect of lower cost.

However, the above is only the preferred embodiment of the present invention. The scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made in accordance with the scope of the new patent application and the contents of the patent specification are still within the scope of the present patent.

21‧‧‧record

31‧‧‧ Turntable

32‧‧‧ shaft

33‧‧‧ drive unit

331‧‧‧Electromagnetic mount

332‧‧‧Electromagnetic rotating seat

34‧‧‧Magnetic parts

341‧‧‧N pole

342‧‧‧S pole

35‧‧‧Magnetic detection parts

36‧‧‧Single handle

361‧‧‧Read head

Claims (5)

An audio player capable of reading music information of a record and playing music. The audio player comprises: a turntable that can be driven to rotate and can be placed for the record; a rotating shaft is coupled with the turntable; a magnetic member is coupled with the rotating shaft; and a magnetic detecting member is disposed corresponding to the magnetic member, and can detect a change of a magnetic field generated by the magnetic member to obtain a rotating state of the rotating plate. The audio player of claim 1, wherein the magnetic member is rotatably coupled to the bottom of the rotating shaft, and the magnetic detecting member is fixedly and spacedly mounted below the magnetic member. An audio player for placing an analog record, comprising: a turntable that can be driven to rotate; a rotating shaft coupled with the turntable; a mounting shaft coaxial with the rotating shaft and rotatable by driving, The mounting shaft is operatively coupled to the analog disc, and the mounting shaft and the rotating shaft are independently rotatable; a magnetic member is coupled with the mounting shaft; and a magnetic detecting member is disposed corresponding to the magnetic member, The rotation state of the mounting shaft can be obtained by detecting a change in the magnetic field generated by the magnetic member. The audio player of claim 3, wherein the mounting shaft is mounted on the top of the rotating shaft, the magnetic member is synchronously rotatably coupled to the top of the mounting shaft, and the analog disc is sleeved around the mounting shaft; The audio player also includes an analog cradle located above the mounting shaft, the magnetic The detecting member is fixedly mounted on the analog horn and spaced above the magnetic member. The audio player of claim 3 or 4, further comprising a light sensing unit, the light sensing unit comprising a light shielding film coupled to the rotating shaft, and a light detecting the rotating state of the light shielding film Sensing parts.