KR200264375Y1 - Voice recorder embedded beam plus - Google Patents

Abstract

The present invention provides a voice recorder for recording and reproducing sound, comprising: a beam generator for generating a laser beam, and an on-screen display of an education program in a presentation system using a personal computer for the laser beam generated from the beam generator. A beam plus unit configured to transmit a specific frequency signal to a wireless interface unit of the personal computer in accordance with a predetermined input signal; A key input unit including a beam plus key for generating an input signal to drive the beam plus according to a key input of a user; Set the beam plus mode according to the beam plus mode setting signal input from the key input unit, generate the laser beam by controlling the beam generator, and transmit a specific frequency signal to a wireless interface of the personal computer according to a predetermined input signal. It provides a voice recorder having a beam plus, characterized in that consisting of; a control unit for controlling the wireless interface unit to transmit.

Description

Voice recorder with beamplus {VOICE RECORDER EMBEDDED BEAM PLUS}

The present invention relates to a digital voice recorder, and more particularly, to a voice recorder having a laser plus function and a screen up / down function embedded therein and a beam plus that can be used in combination during lectures and seminars.

In general, in the past, as a means for recording audio signals, magnetic tapes, which store signals in an analog manner, have become mainstream, but audio signals are converted into digital signals and compressed using a compression codec. Digital voice recorders (Digital Voice Recorder) using the method of storing in the semiconductor memory has been in the spotlight.

The digital voice recorder stores an audio signal converted into a digital signal in a semiconductor memory. The digital voice recorder has easy access to the stored data (that is, has a random access function, and thus easy access to specific audio data). It does not require a mechanical deck like a conventional magnetic tape recorder for recorders, and because it is relatively small in size, it is easy to carry, and recording and playback of voice are performed immediately compared to the conventional cassette tape method. It is used a lot on the back.

On the other hand, a laser pointer or the like is used to indicate contents displayed on a screen in lectures and seminars, and a keyboard, a mouse, or a remote controller attached to a projector of a personal computer is used to up / down contents displayed on a screen.

Therefore, the presentation system used in conventional lectures and seminars is a voice recorder for recording or reproducing the contents of a lecture, a laser pointer that emits an indicator light to explain a specific part, and up / down the contents of the lecture to proceed with the lecture. There was a inconvenience to control each of the remote control to be used separately.

Accordingly, an object of the present invention is to provide a voice recorder having a beamplus that can be used in a presentation system by integrally embedding a laser pointer function and a remote control function in a voice recorder.

1 is a perspective view of a voice recorder having a beamplus according to an embodiment of the present invention,

2 is a block diagram of a voice recorder having a beamplus according to an embodiment of the present invention;

<Explanation of symbols for the main parts of the drawings>

10: beam plus 12: beam generating unit

14: wireless interface 20: CPU

30: speaker amplifier 40: microphone amplifier

50: codec 60: DSP

70: memory 80: key input unit

100: voice recorder 102: hold key

104: power key 106: external output terminal

108: external power terminal 110: speaker

112: beamplus key 114: delete key

116: mode key 118: recording / stop key

120: display unit 122: beam delivery unit

124: microphone 200: personal computer

In order to solve the above object, a voice recorder having a beamplus according to the present invention includes a beam generator for generating a laser beam and a training system using a personal computer for the laser beam generated from the beam generator. A beam plus unit for transmitting a specific frequency signal according to a predetermined input signal, and a wireless interface unit for transmitting a specific frequency signal to a wireless interface unit of the personal computer in order to indicate a specific portion on the screen on which the program is displayed; A key input unit including a beam plus key for generating an input signal to drive the beam plus according to a key input of a user; Set the beam plus mode according to the beam plus mode setting signal input from the key input unit, generate the laser beam by controlling the beam generator, and transmit a specific frequency signal to a wireless interface of the personal computer according to a predetermined input signal. And a control unit for controlling the wireless interface unit to transmit the data.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same components have the same reference numerals as much as possible even if they are displayed on different drawings. And a detailed description of known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention will be omitted.

1 is a perspective view of a voice recorder having a beamplus according to an embodiment of the present invention, Figure 2 is a block diagram of a voice recorder having a beamplus according to an embodiment of the present invention.

1 and 2, the voice recorder having a beamplus according to an embodiment of the present invention will be described in detail. In the main body of the voice recorder 100 of FIG. As a plurality of operation keys for operating and adjusting these operations, the recording / stop key 118, the mode key 116, the delete key 114, the play / stop key (not shown), and the forward / reverse scan key ( Not shown), a hold key 102, a power key 104 and a volume control key (not shown).

The plurality of operation keys are included in the key input unit 80 of FIG. 2. The key input unit 80 further includes a beamplus key 112 according to an embodiment of the present invention, and sets a beamplus mode to activate a beamplus mode for activating the operation of the beamplus key 112. The key 104 is further provided.

The recording / stop key 118 records an audio to be recorded and performs an operation of stopping it after recording. The mode key 116 changes the sampling rate of data during recording to efficiently use storage capacity. To set the mode. The recording mode selectable as the mode key 116 is generally classified into an SP mode having a high sampling rate and an LP mode having a relatively low sampling rate according to the sampling rate of the voice.

The delete key 114 deletes the recorded content. Although not shown, the play / stop key plays and stops the recorded content, and the forward / reverse scan key facilitates a desired storage space during recording and playback. Perform an operation to search.

In addition, the hold key 102 prevents a corresponding operation when various keys of the voice recorder 100 are arbitrarily pressed irrespective of the user's intention, and the power key 104 controls the volume to be recorded and the voice. The power supply of the recorder 100 is turned on / off as a whole. In particular, the power key 104 is divided into a plurality of steps to set the beam plus mode according to the present invention with the power on / off. Accordingly, the CPU 20 of FIG. 2 detects the beamplus mode setting input signal.

Accordingly, the beamplus key 112 is a toggle key for transmitting the laser beam generated from the beam generator 12 of FIG. 2 on the screen, and up / down a page of the education program displayed on the screen. Up / down slide key for multi-function with multiple structure.

In addition, as shown in FIG. 2, the components of the voice recorder 100 will be described in detail in order to assist understanding in view of the purpose of the present invention. The audio signal processing and input / output stages of the codec 50 will be described. DSP (Digital Signal Processor) 60, microphone amplifier 40, speaker amplifier 30, microphone (MIC) 124 and speaker (SPK) 110, and the CPU 20 And a memory 70, a display unit 120, and a key input unit 80 that process data and signals, and perform input / output and storage of data.

The codec 50 converts an audio signal input through the microphone 124 and an external input terminal (not shown) into a digital signal, or conversely, converts the digital signal into an audio signal of an analog signal and outputs it to the speaker 110. do.

The microphone 124 is a high sensitivity omnidirectional microphone built in the voice recorder 100, and is automatically inserted when a plug is inserted into an external input terminal for inputting an audio signal output from the external input terminal, that is, another playback device. The connection state of the microphone 124 is cut off.

The audio signal input through the microphone 124 and an external input terminal is amplified by the microphone amplifier 40 and input to the codec 50.

The audio signal output from the codec 50 is amplified by the speaker amplifier 30 and output through the speaker 1108 to be delivered to the user.

The CPU 20 controls to compress or decompress digital type audio data input / output through the codec 50 using the DSP 60 to store or retrieve the memory 70 in the semiconductor memory device. At this time, the audio data is stored in a flash memory (eg, EEPROM) of the memory 70.

The DSP 34 compresses the digital audio data input from the codec processing unit 50 under the control of the control unit 30 using a predetermined compression method, stores the result in the memory 70, and vice versa. When the user selects a file that the user wants to play under the control of the control unit 20, the data stored in the memory 70 is extracted, decompressed, and output to the codec 50.

On the other hand, the CPU 20 is connected to the display unit 120 for visually displaying the operation state of the voice recorder 100 to the user, and for a plurality of keys that can control such as playback and storage of the audio signal The key input unit 80 for converting the key input is connected.

In addition, the power supply unit for supplying the operation power to each part of the voice recorder 100 is composed of a battery (not shown), a separate external power source to operate the digital recorder using a separate external power source Terminal 108 is connected.

Accordingly, the voice decoder having a beamplus according to an embodiment of the present invention can simultaneously use the unique voice recording and playback of the voice decoder and the beamplus function according to the present invention in lectures and seminars or seminar meetings. To this end, the user places the power key 104 of FIG. 1 in an on stage to turn on the voice recorder 100 and use the power key 104 to use voice recording or playback and the beamplus function together. Is placed in the beamplus mode step. Accordingly, a beamplus mode setting signal is generated, and the CPU 20 detects this to activate the beamplus key 112. In addition, the wireless interface unit 14 of the voice recorder 100 transmits / receives a predetermined contract control signal with the wireless interface 202 of the personal computer 200.

As the beamplus key 112 is activated, the user may indicate a specific position to be emphasized among the lecture contents displayed on the screen by pressing the beamplus key 112 by the indicator light, and the beamplus key ( By sliding 112 up and down, the contents of the lecture displayed on the screen can be wirelessly up / down.

On the other hand, in the detailed description of the present invention has been described with reference to specific embodiments, of course, various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the embodiments described, but should be defined by the scope of the utility model registration claims to be described later and the equivalents of the utility model registration claims.

As described above, the present invention has a built-in beamplus in the voice recorder to indicate a specific part of the lecture content displayed during recording or playback of voice as well as a standby mode that does not use the voice recorder, and transmits and receives a specific frequency signal with a personal computer. By doing so, the displayed contents of the lecture can be wirelessly up and down, which is useful for lectures and seminars.

Claims (3)

A voice recorder for recording and reproducing voice; A beam generator for generating a laser beam, A beam transmitting unit for transmitting the laser beam generated from the beam generating unit as an indicator light to indicate a specific portion on a screen on which an educational program is displayed in a presentation system using a personal computer; A beamplus comprising a wireless interface unit for transmitting a specific frequency signal to a wireless interface unit of the personal computer according to a predetermined input signal; A key input unit including a beam plus key for generating an input signal to drive the beam plus according to a key input of a user; Set the beam plus mode according to the beam plus mode setting signal input from the key input unit, generate the laser beam by controlling the beam generator, and transmit a specific frequency signal to a wireless interface of the personal computer according to a predetermined input signal. And a control unit for controlling the wireless interface unit to transmit the voice recorder. The method of claim 1, wherein the specific frequency signal, And a beamplus that is a control signal contracted with the wireless interface unit and the wireless interface unit of the personal computer to up / down the page of the educational program displayed on the screen. The method of claim 1, wherein the beamplus key, A toggle key for transmitting the laser beam generated from the beam generator on the screen; Voice recorder having a beam plus, characterized in that consisting of up / down slide keys for up / down the page of the educational program.