JP2511898Y2 - Home BGM device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a household BGM device which is provided so as to be attachable to a fluorescent lamp used for general household use.

[0002]

2. Description of the Related Art Conventionally, a sound reproducing apparatus, for example, BGM
The device is equipped to enhance the sound effect in a coffee shop, etc., and its configuration is to mount a speaker for sound on the ceiling etc., and for the wiring system including the sound generator, take measures such as passing behind the wall It is designed so that customers in the coffee shop can enjoy comfortable and comfortable sound effects.
Furthermore, fluorescent lamps used for ordinary households are arranged on the ceiling located in the center of the room, but only fluorescent lamps for indoor lighting are mounted on the ordinary household fluorescent lamp fixtures. It is configured to:

[0003]

However, the conventional audio reproducing apparatus, for example, a BGM apparatus, as described above,
It is rarely used for general household use because it is expensive because it requires a large-scale installation of an acoustic speaker and equipment and facilities with complicated wiring processing. Further, although the fluorescent lamp used for general household use is arranged in the ceiling portion located in the center of the room, it is suitable for arranging the acoustic device. There was no general home fluorescent lamp equipped with it . The present invention has been made to solve the above problems, and its purpose is to provide a general household fluorescent lamp.
It can be attached and detached, making it comfortable in any room in the home.
It makes it possible to create a nice and comfortable acoustic space.
In addition, select various sound sources away from this device.
Can be selected, is suitable for the room, and the shadow of interference from the outside
Household B that can reproduce BGM that is hard to be affected
It is to provide a GM device. Also, with the purpose of the present invention
The place to do is to downsize the part that can be attached to and detached from the fluorescent lamp.
In both cases, several audio signals generated from one audio generator are used.
At the same time in the audio playback section, the effect of interference from the outside
Household BG that can reproduce BGM that is hard to receive
It is to provide an M device.

[0004]

In order to achieve the above object, the household BGM device of the present invention is used for general household use.
The sound of the sound source
Equipped with a voice signal output unit that modulates high frequency signals with voice signals
Well, only the high frequency signal and low frequency with respect to the high frequency signal
Mix different high frequency signals and change to intermediate frequency signal,
Audio reproduction for reproducing the audio signal from the intermediate frequency signal
The acoustic saw that is provided with a section and is commanded from the outside
Receiving a selection command signal of the
Control instructing selection of the sound source to the audio signal output portion
It is characterized by comprising means. Also, the house of the present invention
The garden BGM device is a fluorescent lamp used for general household use.
It is detachably attached to the
High-frequency signal modulated by the audio signal originating from the source
Received, and the received high-frequency signal and low
Mix with high frequency signals that differ only in frequency to obtain an intermediate frequency
Sound that reproduces the audio signal from the intermediate frequency signal
A voice reproducing unit is provided, and
Modulating the high frequency signal with a sound signal of a sound source,
The audio signal output unit for transmitting the modulated signal to the audio reproduction unit
It is characterized by being prepared.

[0005]

The BGM apparatus for home use having the above-mentioned structure is
Attached to a fluorescent lamp in a room in the garden, compact from the outside
Radio receiving means such as disk, magnetic tape or radio
Command signal to select one of the sound sources
Then, the control means receives this and outputs a sound to the audio signal output section.
In order to instruct the selection of the sound source,
To modulate a high frequency signal with the audio signal of the selected source
However, in the audio playback unit, the modulated high frequency signal and this
In the middle by mixing with high frequency signals that differ only in low frequency
Convert to a frequency signal and convert the audio signal from this intermediate frequency signal
Reproduce. Therefore, this BGM device is attached to a fluorescent lamp.
As it is removable, it can be attached to any fluorescent lamp in any room.
It is possible to create a comfortable and comfortable acoustic space, and
Radio such as compact disk, magnetic tape or radio
Select one of the acoustic sources of the receiving means and
BGM suitable for the place can be flowed and selected
Sound source is less susceptible to external interference
You can do it. In addition, a home-use B having the above configuration
Is the GM device in the sound source of a home audio device?
If you select one of them and play it,
The audio signal output section of the audio device
The high-frequency signal is modulated by the audio signal of the source
The high frequency signal was attached to the fluorescent lamp in the room at home
It is sent to the audio playback unit and sent by this audio playback unit.
Received high frequency signal, and the received high frequency signal and this
On the other hand, it mixes with high frequency signals that differ only in low frequency
Change to wave number and reproduce the audio signal from this intermediate frequency signal
It Therefore, in this BGM device, only the audio reproduction section is provided.
Since it can be attached to and detached from a fluorescent lamp to make the attachment / detachment part smaller,
It can be easily attached to fluorescent lights in this room and
Sounds emitted from the sound generators of home audio devices at various locations
Simultaneous voice signal is reproduced by the audio playback unit attached to several fluorescent lamps.
To prevent it from being affected by external interference.
Can be

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a home BGM device according to the present invention will be described below with reference to the drawings . In the home of General, as shown in FIG.
Is used household fluorescent lamp device L as shown in 1, as shown in the figure, the their many household fluorescent lamp device, so that it can adjust brightness accordingly usually required, for fluorescent lamps The umbrella 1 is configured such that two large and small annular fluorescent lamps 2 and 3 having different looks are mounted. By appropriately using the fluorescent lamps, appropriate lighting required in a room at home can be provided. In the figure,
Reference numerals 4 and 4 denote power supply units of the fluorescent lamps 2 and 3, 5, 5, and 5, respectively.
Is a support for retaining the fluorescent lamps 2 and 3;
Reference numeral 6 is a cord for switching the power switch, and 7 is a storage box for storing the power switch, the auxiliary lamp, the glow bulb and the like. As shown in FIGS. 1 and 2 , the fluorescent lamps 2 and 3 are installed in two tiers, and a gap B is formed between the fluorescent lamps 2 and 3 and the bottom surface of the storage box 7. FIG. 3 is a bottom view of the state in which the BGM device 8 is mounted as viewed from below. As shown in FIG. 4 , the BGM device 8 includes a speaker 11 and a speaker 11 in a box 10 provided with a support 9 on the outer side .
A voice playback unit 12 an electrical circuit is incorporated as shown in 5 is configured to be received, further, box 10, be formed in a fan shape, the notch 40a of FIG. 3 to shown in FIG. 4
Co-down compact disk 25a and the magnetic tape 25b, radio
An insertion portion 30 in which the audio output means 25 including the device 25c is housed is formed. In addition, the audio reproducing unit 12
Are connected to an antenna 13 also serving as a power switch switching string and a power outlet 14 for supplying power. Further, the outlet 14 is connected to a power line (not shown) for home use. FIG. 5 shows the sounds that make up the BGM device 8 .
FIG. 3 is a circuit block diagram showing a connection state between the voice reproducing unit 12 and the voice output means 25, which is a compact disk inside the voice output means 25
Sound of disc 25a, magnetic tape 25b or radio 25c
The sound source can be selected from the outside
The voice signal output unit 26 of the voice output unit 25 is the selected sound.
Has a function to modulate a high frequency signal by the source audio signal.
I do. That is, the laser signal of the portable control device 28
Issue a command signal for selecting an acoustic source from the generator 28a
Then, the control means including the CPU in the voice output means 25
27 receives this by the laser light receiving unit 27a and outputs a voice signal.
In order to instruct the output unit 26 to select the sound source,
Of the source selected by the signal output unit 26.
A high frequency signal is modulated by a voice signal. And the audio signal
The modulated high frequency signal from the output unit 26 is the audio reproduction unit 1.
2 is received by the audio signal input unit 16 and is provided with the high frequency signal and the low frequency signal from the transmission circuit 17 as shown in the figure.
Frequency conversion circuit 1 that mixes high-frequency signals that differ in number
It is configured to drop to the intermediate frequency at 8. Further, the signal dropped to the intermediate frequency by the frequency conversion circuit 18 is amplified by the amplification circuit 19, detected by the detection circuit 20, and then conveyed to the low frequency amplification circuit 21 having the built-in amplitude compression circuit for adjusting the width of the dynamic range. To do. By passing the signal through the amplitude compression circuit of the low-frequency amplifier circuit 21, the input signal of high amplitude is suppressed, and the sound is adjusted to a quiet sound as a whole. This sound signal is sent to the speaker 11 and is emitted to the space inside the home. by the way,
The power source of the audio reproducing unit 12 is divided into two by the power source switch circuit 22. Further, the power supply switch circuit 22 has a built-in smoothing circuit, and the output from the smoothing circuit is
It is supplied to the audio signal input section 16 to circuits such as the detection circuit 20. In the + B1 portion in the drawing, a current of several mA is set to flow constantly. Also the sound
When receiving the radio frequency signal in the voice signal input unit 16, the signal current flows to the frequency conversion circuit 18 leads to a part of the signal current to the power switch circuit 22, rectified by the detector circuit of the power supply switch circuit 22, The switching circuit incorporated by the signal is activated to supply the power source + B2 to the low frequency amplifier circuit 21. With such a configuration, the current that constantly flows is reduced. In this embodiment, instead of the laser beam as a command signal for selecting the sound source, it is not limited thereto, etc. IR can also be used. 6, Ru circuit block diagram illustrating a second embodiment of the present invention. A description of the equivalent members and components described in the first embodiment will be omitted here. In the case of this embodiment, the home audio device 2
Select one of the 3 sound sources and play it
Then, the voice signal provided in the home audio device 23 is transmitted.
Of the reproduced source by the modulation circuit 31a of the signal output unit 31.
Modulates the infrared signal (high frequency signal) with the audio signal and
This is attached to the fluorescent lamp 3 by the infrared signal output means 31b of
To the audio reproducing unit 12 that has been generated. And the audio playback unit
At 12, the received infrared signal is received and known
The optoelectronic circuit 32 converts the optical signal into an electrical signal (high frequency signal).
After the replacement, the change is performed by the same method as described in the first embodiment.
The converted high frequency signal and the high
The frequency signal is mixed and converted to an intermediate frequency.
Reproduce audio signal from several signals. In this example, for home use
Optical signal carrying means from the BGM device 23 to the audio reproducing unit 12
I explained about using infrared rays as a laser.
It may be one using light.

[0007]

According to the home BGM device of the present invention, the firefly
As it can be attached to and detached from a light bulb, it can be attached to a fluorescent light in any room
It is possible to create a comfortable and comfortable acoustic space,
Maybe a compact disc, a magnetic tape or a radio
Select one of the sound sources of which wireless receiving means
And it is possible to flow BGM suitable for the place
In addition, the influence of external interference on the selected sound source
It is possible to make it hard to receive. Also, for home use of the present invention
According to the BGM device, only the audio playback part can be attached to and detached from the fluorescent lamp.
Since the detachable part is made smaller by using this function, the fluorescence of which room
It can be easily attached to a light and can be used at a single home.
Audio signal from the audio generator of audio equipment
The audio playback unit attached to the fluorescent lamp of
Can also be less susceptible to external interference
It

[Brief description of drawings]

FIG. 1 shows an apparatus according to a first embodiment of the present invention.
It is the perspective view which looked at the domestic fluorescent lamp used from the slanting lower part.

FIG. 2 shows a state in which the apparatus is mounted on the home fluorescent lamp of FIG. 1;
FIG.

FIG. 3 shows a state in which the device is mounted on the home fluorescent lamp of FIG. 1;
FIG.

4 is a cross-sectional view taken along the line AA of FIG.

FIG. 5 is a circuit block diagram showing a circuit configuration of this device.
You.

FIG. 6 shows a circuit configuration of a device according to a second embodiment of the present invention.
It is a circuit block diagram shown.

[Explanation of symbols]

L Household fluorescent lamp 8 BGM device 12 Audio reproducing unit 23 Audio device 25a Compact disk ( acoustic source ) 25b Magnetic tape ( acoustic source ) 25c Radio ( acoustic source ) 26 31 Audio signal output unit 27 Control means 27a Laser light receiving unit 31a Modulation circuit 31b Infrared signal output means

Claims (2)

(57) [Scope of utility model registration request] 1. Wearing a fluorescent lamp used for general household use
Removably formed, high frequency by the audio signal of the acoustic source
The high frequency signal is provided with an audio signal output section for modulating a signal.
And a high-frequency signal that differs from the high-frequency signal by a low frequency
Are mixed and converted into an intermediate frequency signal.
And an audio reproducing unit for reproducing the audio signal.
, A command signal for selecting the acoustic source that is externally commanded
To the audio signal output section based on the received signal
The control means for instructing the selection of the sound source is provided.
A home BGM device characterized by the following. 2. Wearing a fluorescent lamp used for general household use
Detachably formed acoustic source for home audio equipment
Receives a high-frequency signal modulated by an audio signal generated from
High frequency signal received and received and low frequency for the high frequency signal
Change to an intermediate frequency by mixing high frequency signals that differ in number
A voice for reproducing the voice signal from the intermediate frequency signal
The home audio device is provided with a reproducing unit,
The source high frequency signal is used to modulate the high frequency signal,
Provided with an audio signal output unit for transmitting a key signal to the audio reproduction unit.
A BGM device for home use, which is characterized by a large number.