CN1074577A

CN1074577A - Audiofrequency apparatus

Info

Publication number: CN1074577A
Application number: CN 92100321
Authority: CN
Inventors: L·施米特
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-01-16
Filing date: 1992-01-16
Publication date: 1993-07-21

Abstract

A kind of audiofrequency apparatus comprises a phonograph, for example portable disc record phonograph or portable cassette player and a set of headphones.This equipment is provided with the moving switch of a sound, reminds the people of use equipment when this switching response is higher than the sound equipment of its response levels; There is sound equipment to occur.This switch can interrupt passing to earphone sound signal, turn off phonograph or a kind of tone be superimposed upon on the sound signal.The people that this equipment can make wearing headphones to telephone bell, others is to his vigilance to some extent such as speech.This switch is preferably packed into and can be connected in the annex between phonograph and the earphone.

Description

Audiofrequency apparatus

The present invention relates to a kind of audiofrequency apparatus.

Portable disc record phonograph and portable cassette player all have earphone usually.In addition, many people prefer listening to by earphone the music of high-fidelity receiver, and dislike listening to the music indoor by speaker.Modern earphone can reach such degree in the effect aspect the isolated environment sound equipment, so that the people of band earphone and surrounding environment are completely cut off effectively, thereby the people of band earphone can't hear others with his talk, can't hear the telephone ringer sound, can't hear also that there is a knock on the door.

Main purpose of the present invention provides a kind of audiofrequency apparatus that does not have above-mentioned shortcoming.

According to one aspect of the present invention, we provide a kind of audiofrequency apparatus that the moving switch of a sound is arranged, the environment sound equipment that is higher than the response levels of this switch can both make this switch motion, and this switch is linked to be and makes it respond the people that output signal that this sound equipment produces is enough to remind the band earphone: described switch is reacting.

A kind of form of described switch is to connect to become to make getting in touch between the player of an output of interrupting phonograph when its response is higher than the sound equipment of its response levels and a set of headphones.The equipment of another kind of form then has so a kind of pronunciation device, and this pronunciation device sends tone and it is added at least one player of a set of headphones when described switching response is higher than the sound equipment of its response levels.

In case of necessity, described switch can connect into getting in touch between the earphone output socket of the sound equipment Play System that makes it to interrupt phonograph and phonograph.

For the moving switch of described sound is resetted behind preset time, can dispose a timer, and dispose the device that to regulate the described scheduled time.

According to another aspect of the present invention, we provide a kind of like this annex, this annex has a shell, there is one to connect the input of phonograph, an output that connects a set of headphones on the shell, with a moving switch of sound that is contained in the shell, this switch when running into the sound equipment that is higher than its response levels at it with described input and the disconnection of described output.

Described annex preferably includes a timer, in order to through after the scheduled time described input and described output are connected again.Can also dispose a device of regulating the described scheduled time.Described shell can have a screen, and a microphone that picks up the environment sound equipment is placed in the screen back.For described annex can be used in different environment, the configurable device that can regulate the response levels of the moving switch of described sound.

According to another aspect of the present invention, we provide a kind of like this audiofrequency apparatus, and this audiofrequency apparatus comprises a signal of telecommunication generating means, the signal of telecommunication that plays sound in order to generation; A socket, the signal of telecommunication are in this socket of feed-in, and the plug of earphone also inserts in this socket; And the moving switch of sound, be connected between described device and the described socket, disconnect above-mentioned connection when being higher than the environment sound equipment of its response levels at this switching response.

For amplifying the described signal of telecommunication, can dispose an amplifying device, this amplifying device is located between described signal of telecommunication generating means and the described socket.

For understanding the present invention better, and understand the present invention and how to implement, existing referring to accompanying drawing for embodiment.In the accompanying drawing:

Fig. 1 is the schematic diagram that a set of headphones is connected with a phonograph;

Fig. 2 shows the enlarged diagram that a set of headphones shown in Figure 1 is transformed;

Fig. 3 is the schematic diagram of a phonograph, a set of headphones and annex of the present invention;

Fig. 4 is the schematic diagram of Fig. 1 annex;

Fig. 5 is the schematic diagram of the another kind of audiofrequency apparatus of the present invention.

Earlier referring to Fig. 1.Audio playback device shown in the figure comprises a cassette tape player or disc record phonograph 10, and phonograph can be that (but not necessarily) is portable.Lead-in wire 12 is guided to from the socket 14 of phonograph 10 and is numbered on 16 the set of headphones.Earphone 16 has two to be numbered 18 player, is contained on the free end that is numbered 20 arm.The circle ring 22 that has the material such as rubber, foamed plastics or felt to make around the player 18.

Arm 20 tool elasticity during user's wearing headphones, must strut player and are placed on the ear.Elastic arm 20 generation thrusts move towards each other player 18 and circle ring 22 are pressed on wearer's the ear, in case stop ring border sound equipment enters in wearer's the ear.Like this, arriving in wearer's ear only is the sound equipment that is produced by cassette tape in the phonograph 10 or disc record that is sent in the player 18.

Arm 20 and lead-in wire 12 all are numbered 24 hub body from one and draw.The moving switch 26 of a sound is housed in the hub body 24.As schematically illustrated among Fig. 1, the moving switch 26 of sound is between lead-in wire 12 and the wiring 12.1, and 12.1 of wiring 20 are guided on the player 18 from hub body 24 along arm.

The moving switch 26 of sound detects when level is higher than the sound equipment of its response levels and opens, and makes phonograph 10 and puts the interruption of getting in touch of producing between the device 18, so remind the user: big sound equipment appearance is arranged in the external environment condition.This big sound equipment may be that the someone will speak with him, telephone bell or doorbell sound or the like.

Can also dispose a controller (not shown in figure 1), make it can adjusting sound the response levels of moving switch.Like this, when equipment is prepared to be used in the high environment of ambient noise level (for example aircraft cockpit), can reduce the sensitivity of switch, it is failure to actuate under common noise level.When quiet place, can also make switch become sensitiveer.

In the modification of Fig. 2, the moving switch 26 of sound is connected with tone generator 28.Tone generator 28 is contained in the hub body 24 with the moving switch of sound.When big sound equipment makes the moving switch motion of sound, make the tone generator running, then giving a warning property of tone generator tone, on the sound signal that the phonograph 10 that is added to is produced.So just reminded the people who uses earphone: have big sound equipment to occur.

The moving switch 26 of sound of Fig. 1 and 2 can also dispose the hand-reset button.Under the situation of Fig. 1 embodiment, sound signal is interrupted continuously, till the moving switch of sound resets.Under the situation of Fig. 2 embodiment, warning tone continues, and resets for this reason up to the moving switch of sound.Not so also can install a timer, make the interruption of sound signal or the stack of tone only continue the scheduled time.For regulating the length of the scheduled time, can dispose a controller.

In case of necessity, sound moving switch, its controller and tone generator (if any words) can be contained in this set of headphones, nestle up one of them player 18, and be not contained in the hub body 24.

Referring now to Fig. 3 and 4.Audio playback device shown in the figure comprises a phonograph 10 and a lead-in wire 12, and as we can see from the figure, an end of lead-in wire 12 has individual plug 12.2.Plug 12.2 inserts in the socket 14 of phonograph 10, goes between 12 and guides on the annex of a shell 30.The earphone 16 of this form does not have arm 20, and player 18 and circle ring 22 are fixed on each end of soft lead-in

wire

32, and 32 in soft lead-in wire extends on the plug 34 from player 18, and plug 34 inserts in the socket 36 of shells 30.In the sort of form shown in the figure, have a plug 38 to insert in the socket 40 away from the other end place of plug 12.2 of lead-in wire 12 on the shell 30,12.2 of plugs insert in the socket 14.In another kind of structure, cancelled lead-in wire 12, plug 12.2 and socket 40, and plug 38 has directly been inserted in the socket 14.Plug 38 can not stretch out from shell 30, and is provided in a side of the end of a short leg.

Screen 42 among Fig. 3 covers microphone 44(Fig. 4).Pick up the sound equipment of surrounding environment by microphone 44, and the signal that draws is fed in the moving switch 46 of sound.Runner shown in 48 is in order to regulate the sensitivity of annex, i.e. the response levels of the moving switch 46 of sound.Adopt the form of gain controller 50 in order to this device of regulating sensitivity.Adjusting can reach such degree, can make response levels bring up to the degree that described annex is turned off.Even when ambient noise is very big, also can interruptedly not use phonograph 10 like this.

Is furnished with another runner 52 with wheel 48 relative opposite sides on the shell 30, in order to regulate the control device 54 of timer 56.User break period of conditioning signal continuously just like this, perhaps when adopting tone generator, regulate time of stack tone continuously.Numbering 58 expression players, when adopting tone generator, tone signal is also sent out by this player.

The moving switch of sound also can not packed in earphone (Fig. 1 and Fig. 2) or the other annex (Fig. 3 and Fig. 4) in case of necessity, but (see figure 5) in the phonograph of packing into.Among Fig. 5, numbering 60 expression phonographs can be that broadcast receiver, portable disc record phonograph, cassette tape player, videocorder, digital magnetic tape player or any other can produce the device of the signal of telecommunication that plays sound.Therefore 62 expressions is tuner, cartridge head, laser disc pick-up, stylus or the like.Numbering 64 expression amplifiers, 66 expression sockets.The plug of earphone (not shown among Fig. 5) can insert in the socket 66.The moving switch 46 of sound is connected between amplifier 64 and the socket 66.

The moving switch of sound also can be used to interrupt power supply, but we think that this form does not resemble and are worth above-mentioned those forms recommending.

Under the situation of the television set of being with earphone or televimonitor or Hand type video game player, also can between headset plug and sound signal generating means, install the moving switch of a sound.

Claims

1, a kind of audiofrequency apparatus, it is characterized in that being equipped with the moving switch of a kind of sound, the environment sound equipment that is higher than the moving switching response level of this can make the moving switch motion of this, and described switch connects into and makes its output signal that is produced when the described sound equipment of response can remind the people of wearing headphones to notice that this switch reacts.

2, audiofrequency apparatus according to claim 1 is characterized in that, getting in touch between the player of the output of interruption phonograph and set of headphones when described switch connects into the sound equipment that makes its response be higher than its response levels.

3, audiofrequency apparatus according to claim 1 is characterized in that, this equipment is equipped with tone generation device, and the tone that this tone generation device produces is added to when described switching response is higher than the sound equipment of its response levels at least one player of a set of headphones.

4, audiofrequency apparatus according to claim 1 is characterized in that, described switch connects into the interruption of getting in touch between sound equipment Play System that can make phonograph and the output plug that can insert earphone.

5, audiofrequency apparatus according to claim 1 is characterized in that, it comprises a timer, resets in order to make the moving switch of described sound after the process scheduled time.

6, audiofrequency apparatus according to claim 1 is characterized in that, has disposed a time adjustment device, in order to regulate the described scheduled time.

7, a kind of annex, this annex has a shell, it is characterized in that, have one to connect the input of phonograph, an output that connects a set of headphones and the moving switch of sound that is contained in the shell on the shell, this switch is in order to disconnect described input and described output when running into the sound equipment that is higher than its response levels.

8, annex according to claim 7 is characterized in that, it also comprises a timer, in order to through after the scheduled time described input and described output are being coupled together again.

9, annex according to claim 8 is characterized in that, it also comprises a time adjustment device, in order to regulate the described scheduled time.

10, annex according to claim 7 is characterized in that, a screen is arranged on the described shell, and the microphone that picks up the environment sound equipment is equipped with in the screen back.

11, annex according to claim 7 is characterized in that, it also comprises in order to regulate the device of the moving switching response level of described sound.

12, a kind of audiofrequency apparatus is characterized in that, it comprises:

Signal of telecommunication generating means, the signal of telecommunication that plays sound in order to generation;

A socket, the signal of telecommunication are in this socket of feed-in, and the plug of earphone also inserts in this socket; With

The moving switch of sound is connected between said apparatus and the described socket, disconnects described connection when being higher than the environment sound equipment of its sound level at described switching response.

13, audiofrequency apparatus according to claim 12 is characterized in that, it also comprises an amplifying device, and in order to amplify the described signal of telecommunication, this amplifying device is located between described signal of telecommunication generating means and the described socket.