Abstract:
A wireless detachable conference telephone and particularly a conference telephone that has a plurality of wireless microphone seats detachable from a conference telephone main body. The conference telephone main body and the wireless microphone seats may be communicated through radio signals so that users can detach the microphone seats from the conference telephone main body and move the microphone seats closely to input audio voice so that poor conversation quality resulting from distant conference telephone may be prevented from happening.

Description:
BACKGROUND OF THE INVENTION  
         [0001]    1. Field of the Invention  
           [0002]    The invention relates to a wireless detachable conference telephone and particularly a conference telephone that has wireless microphones which are detachable from the telephone main body to allow users close to the wireless microphones to get improved audio input and to prevent poor audio receiving resulting from long distance between meeting participants and the microphones.  
           [0003]    2. Description of the Prior Art  
           [0004]    The rapid developments of business franchises and enterprise groups have created a great challenge to communication in the enterprises. For instance, to gather people from remote branches and offices to the corporate headquarter or regional head offices for meetings is time consuming and costly. The effect is also dubious. To overcome the problems of conducting meetings for remote locations, conference telephone  1  (as shown in FIG. 1) has been developed and introduced. Using this facility to connect telephone lines, people at remote locations or offices can participate meetings or conferences without physically going to the head office. This type of teleconference generally has the conference telephone  1  located at the center of a conference table. The conference telephone  1  has a plurality of microphones  11 ,  12  and  13  to receive the speaking voices of the participants. While such a facility may resolve some of the problems set forth above, it often happens that the conference telephone  1  cannot receive the speaking voice properly because of the microphones are located at a distance from the speakers. Participants often have to repeat the speaking or raise the voices, or try to get closer to the microphones  11 ,  12 ,  13  to get their voices clearly heard and received. As a result, the proceeding and effectiveness of the meeting is severely compromised or impaired.  
           [0005]    As the distance between the participants and microphones is the main factor that causes undesirable telephone receiving, employing wireless detachable microphone seats to separate from the telephone body allows participants to speak to the microphones closely wherever they sit and can resolve the poor conversation quality problem incurred to the conventional conference telephones.  
         SUMMARY OF THE INVENTION  
         [0006]    The primary object of the invention is to provide a wireless detachable conference telephone that mainly includes wireless microphone seats detachable from the conference telephone main body so that the microphone seats can be moved closely to participants to facilitate users&#39; speaking operations and achieve a better conversation quality for the conference telephone.  
           [0007]    The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings. 
       
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0008]    [0008]FIG. 1 is a perspective view of a conventional conference telephone.  
         [0009]    [0009]FIG. 2 is a perspective view of an embodiment of the invention.  
         [0010]    [0010]FIG. 3 is a block diagram of a first radio unit housed in the conference telephone of the invention.  
         [0011]    [0011]FIG. 4 is a block diagram of a second radio unit housed in the microphone seat of the invention. 
     
    
     DESCRIPTION OF THE PREFERRED EMBODIMENT  
       [0012]    Referring to FIG. 2, the invention mainly includes a conference telephone main body  2  coupling with at least one wireless microphone seat  3 . The main body  2  has an interior space for housing required circuits and at least one housing chamber  21  formed on the peripheral rim to hold and anchor the matching wireless microphone seat  3 . The circuits in the conference telephone main body  2  include a first radio unit  4  to communicate with a second radio unit  5  located in the wireless microphone seat  3  for transmission and receiving radio signals therebetween. Hence the wireless microphone seat  3  may be detached from the conference telephone main body  2  and moved closer to speakers at remote locations to get better audio transmission quality.  
         [0013]    The conference telephone main body  2  consists of an upper casing  23  and a lower casing  24  to house related circuits therein. The circuits include at least a speaker, a human machine interface (switch), telephone lines, etc. At the peripheral rim of the main body  2 , there is at least one housing chamber  21  for anchoring and holding the wireless microphone seat  3 . Inside the conference telephone main body  2 , there is a first radio unit  4  which may communicate with a second radio unit  5  located in the wireless microphone seat  3  for transmission and receiving radio signals.  
         [0014]    The first radio unit  4  consists of a first antenna  41 , a first transmitter and receiver unit  42 , a first modulating/demodulating unit  43 , and an audio output processing unit  44 ; wherein  
         [0015]    the first antenna  41  is for the first transmitter and receiver unit  42  to transmit or receive radio signals;  
         [0016]    the first transmitter and receiver unit  42  transfers signals to radio waves for emission through the first antenna  41  or to receive selected radio signals through the first antenna  41 ;  
         [0017]    the first modulating/demodulating unit  43  modulates or demodulates the signals and forwards the signals to the rear end first transmitter and receiver unit  42  or the audio output processing unit  44  for use; and  
         [0018]    the audio output processing unit  44  has an output linking to a speaker S and telephone circuits P for processing the modulated audio signals, and outputting through the speaker S and telephone circuits P.  
         [0019]    The second radio unit  5  consists of a second antenna  51 , a second transmitter and receiver unit  52 , a second modulating/demodulating unit  53 , and an audio input processing unit  54 ; wherein  
         [0020]    the second antenna  51  is for the second transmitter and receiver unit  52  to transmit or receive radio signals;  
         [0021]    the second transmitter and receiver unit  52  transfers signals to radio waves for emission through the second antenna  51  or to receive selected radio signals through the second antenna  51 ;  
         [0022]    the second modulating/demodulating unit  53  modulates or demodulates the signals and forwards the signals to the rear end second transmitter and receiver unit  52  for use; and  
         [0023]    the audio input processing unit  54  has an input linking to a microphone H for modulating audio signals input by users and forwarding to the second modulating/demodulating unit  53  for use.  
         [0024]    By means of the construction set forth above, users may move the wireless microphone seats  3  away from the conference telephone main body  2  at a distance closer to the users to make better quality conversation and to overcome the disadvantages of the conventional conference telephones.  
         [0025]    The operation of the invention is as follows:  
         [0026]    A. For the wireless microphone seats  3 :  
         [0027]    1. users input audio voice through the wireless microphone seats  3 ;  
         [0028]    2. the input audio voice is processed by the audio input processing unit  54  for removing echoes, noises, etc.;  
         [0029]    3. the input audio voice is modulated by the second modulating/demodulating unit  53 ;  
         [0030]    4. the modulated audio voice is transferred to radio signals through the second transmitter and receiver unit  52 , and is transmitted through the second antenna  51  to the first radio unit  4  in the conference telephone main body  2  for receiving.  
         [0031]    B. For the conference telephone main body:  
         [0032]    1. the first transmitter and receiver unit  42  receives radio signals from the wireless microphone seats  3  through the first antenna  41 ;  
         [0033]    2. the wireless microphone seats  3  receive the signals and transmit to the first modulating/demodulating unit  43  for demodulating;  
         [0034]    3. the first modulating/demodulating unit  43  transmits the demodulated audio signals to the audio output processing unit  44 ;  
         [0035]    4. the audio output processing unit  44  receives signals from the first modulating/demodulating unit  43  and removes echoes, noises, etc., and through the circuits in the conference telephone main body  2  outputs audio sound through the speaker S and telephone circuits P.  
         [0036]    In summary, the invention provides wireless microphone seats that are detachable from the conference telephone main body so that users can be close to the microphones to obtain good conversation quality to ensure teleconference will be conducted smoothly and conveniently, and to prevent poor quality conversation caused by long distance of users from the microphones.  
         [0037]    While the preferred embodiment of the invention has been set forth for the purpose of disclosure, modifications of the disclosed embodiment of the invention as well as other embodiment thereof may occur to those skilled in the art. Accordingly, the appended claims are intended to cover all embodiments which do not depart from the spirit and scope of the invention.