CN2593487Y - Telephone dialing device for the blind - Google Patents

Abstract

The utility model relates to a phone dialer for the blind telephoning, which is composed of a single-chip computer module, a two-tone number sending module, a speech prompting module and a sounder, wherein, the input end of the single-chip computer module is connected with a control button, the output is respectively connected with the input of the speech prompting module and the input of the two-tone number sending module, the output of the two-tone number sending module is connected with a telephone line, and the output of the speech prompting module is connected with the sounder. In the utility model, a dialing part of the ordinary phone is innovated, dialing is carried out in a mode of speech prompting, the dialing mode of multiple keys of the ordinary phone is changed, a single key pressing form is used, and accordingly, when the blind telephones and dial numbers, the utility model can help them to dial the numbers easily and accurately and cause the blind to dial and answer the phone as a normal person.

Description

The telephone for blind dialer

Technical field

The utility model relates to the make a phone call phone dialer of usefulness of a kind of blind person.

Background technology

At present, phone though its using method is very simple, is not that the somebody of institute can use them easily in China and all universal in the world.Because physical disabilities, especially blind person were not considered in the design of phone originally, make the telephone set that makes things convenient for them so in the use of phone, also have no talent.

Summary of the invention

The purpose of this utility model is exactly in order to address the above problem, the telephone for blind dialer that provides a kind of blind person of making normally to call.

Technical solution of the present utility model:

A kind of telephone for blind dialer, it is characterized in that it is made up of one-chip computer module, the double-tone number of taking place frequently module, voice cue module and acoustical generator thereof, the input termination control button of one-chip computer module, its output links to each other with the input of voice cue module and the input of the double-tone number of taking place frequently module respectively, the output of the double-tone number of the taking place frequently module line of answering the call, the output of voice cue module connects acoustical generator.

The utility model has been done innovation to the section dialing in of plain old telephone, adopt voice suggestion power formula to dial, it has changed the dialing mode of the many buttons of plain old telephone, utilize independent button form, thereby when the blind person makes a phone call to dial, help that their are lighter, dialing more accurately, the blind person is dialed as the normal person and receive calls.

Description of drawings

Fig. 1 theory diagram of the present utility model.

Fig. 2 is an electrical schematic diagram of the present utility model.

Embodiment

As Fig. 1, telephone for blind dialer of the present utility model, it is made up of one-chip computer module, the double-tone number of taking place frequently module, voice cue module and acoustical generator thereof, the input termination control button of one-chip computer module, its output links to each other with the input of voice cue module and the input of the double-tone number of taking place frequently module respectively, the output of the double-tone number of the taking place frequently module line of answering the call, the output of voice cue module connects acoustical generator.

Control button first vice-minister (is generally 2s) on time, it sends enabling signal, make one-chip computer module control voice cue module send the count off voice signal by the continuous circulation of the numeral of 0-9, and quote to the blind person by acoustical generator, when the blind person hears will dial digital, at once short by (being generally less than 1s) control button, then one-chip computer module is controlled the double-tone number of sending out module in real time and is exported this dialed number to telephone wire, the digital rings of later every circulation primary 0-9, the promptly short control button that clicks of blind person, (as local telephone can be seven or eight to the telephone number that the blind person will be dialled, as toll telephone multidigit more) transfer to by telephone wire, when pushing last item sign indicating number, the blind person then need grow and click control button (general 2s), this moment, one-chip computer module was transferred to last item sign indicating number by the double-tone number of taking place frequently module on the one hand, turn-offed circuitry simultaneously, finished the overall process of one-stage dialing.

Specific embodiment of the utility model as shown in Figure 2, one-chip computer module can be selected single-chip microcomputer integrated circuit U1 (model can be AT89C2051) for use, its interrupting input end P32 meets control button SW2, and its output one tunnel connects voice cue module, and another road connects the double-tone number of taking place frequently module.Voice cue module is optional with voice storage integrated circuit U3 (model can be ISD1420), the address end A0-A5 of U3 is corresponding with the input/output port P1.0-P1.5 of single-chip microcomputer integrated circuit U1 to link to each other, the control end PLAYE of U3 meets the input/output terminal P1.7 of single-chip microcomputer integrated circuit U1, and the speech output end SP+ of U3 connects acoustical generator.Acoustical generator can be selected buzzer for use, also can select earphone or loudspeaker for use, during actual the use, preferably selects existing telephone set for use, and the receiver that utilizes telephone set is as acoustical generator.Elected when use telephone set, can between the speech output end of voice storage integrated circuit U3 and telephone set connection jaws RJ11, be connected in series isolating transformer T1, its interarea is used for stopping direct current, the double-tone that is used on the other hand the being coupled coded signal that takes place frequently.The double-tone number of taking place frequently module can be selected double-audio signal generation integrated circuit U2 (model can be TP5088) for use, the address input end D0-D3 of U2 and single-chip microcomputer integrated circuit U1 with input/output terminal P3.0, P3.1, P3.4, P3.5 are corresponding links to each other, the audio signal beginning of U2 can hold TE to meet the input/output terminal P3.7 of single-chip microcomputer integrated circuit U1, the output of U2 is drawn by drive circuit Q2 from its audio output and is connected to isolating transformer T1, also is connected to telephone wire by telephone set connection jaws RJ11.

On the input/output terminal P1.6 of single-chip microcomputer integrated circuit U1, be connected to the control relay circuit that constitutes by transistor Q3, relay J K1A and resistance R 12 and diode D, the output of this control circuit is sent from normally opened contact JK1B, the JK1C of relay J K1A, JK1B is serially connected between the output and telephone set connection jaws RJ11 of isolating transformer T1, it is used for controlling the shutoff of complete machine, promptly when dialer of the present utility model time spent not, JK1B disconnects, and telephone set normally uses.The normally opened contact JK1C of relay J K1A is connected on the power end of voice storage integrated circuit U3 and the double-tone number of taking place frequently integrated circuit U2, and it is used for controlling the working power of U3 and U2.

The utility model has adopted independent power supply power supply, and has changed the dialing mode of the many buttons of plain old telephone, utilizes independent button form, thereby when the blind person makes a phone call to dial, helps their lighter, dialing more accurately.The mode that it adopts and ordinary telephone set is connected in series utilizes the power amplifying part that has had of plain old telephone to realize dialing normal talking afterwards.

The utility model can be serially connected with on the telephone set when using, if it does not work, to original telephone set without any influence.Has only the time spent of needs, the user key-press time is when reaching 2 seconds, (report each digit period is about 1 second to one-chip computer module control voice cue module, finishes to first round digital speech from user key-press, and its used time is 13 seconds from the Chinese count off of 0-9 with voice prompting mode.And switch sends the time interval that is allowed from off-hook to first number is 20 seconds), the user can hear these voice suggestions in telephone receiver, when the user hears own needed group number, as long as flicking is control button once, the double-tone number of taking place frequently module will be sent corresponding number (whenever take turns voice suggestion and read 9 from 0 and need 10 seconds, switch allow every to take turns free time be 11 seconds).Take turns after count off finishes when one, the user does not press any button, and it can stop count off automatically.If the user can click in a bit of time after stopping because be to have little time dialing again, it can continue the count off of circulation again.When the user dials last bit digital, to pin empty system button and do not put down, this dialer can be by manual being closed (and when one took turns voice suggestion and presses without any key, it also can stop automatically).The user just can converse.

The utility model (only being 75mw) low in energy consumption, as user during without it, the quiescent current (1mA) that only need offer single-chip microcomputer gets final product (power consumption is 5mw).

Claims (4)

1, a kind of telephone for blind dialer, it is characterized in that it is made up of one-chip computer module, the double-tone number of taking place frequently module, voice cue module and acoustical generator thereof, the input termination control button of one-chip computer module, its output links to each other with the input of voice cue module and the input of the double-tone number of taking place frequently module respectively, the output of the double-tone number of the taking place frequently module line of answering the call, the output of voice cue module connects acoustical generator.

2, telephone for blind dialer according to claim 1, it is characterized in that described one-chip computer module selects single-chip microcomputer integrated circuit U1 for use, its interrupting input end P3.2 meets control button SW2, its output one tunnel connects voice cue module, another road connects the double-tone number of taking place frequently module, voice cue module is selected voice storage integrated circuit U3 for use, the address end A0-A5 of U3 is corresponding with the input/output port P1.0-P1.5 of single-chip microcomputer integrated circuit U1 to link to each other, the control end PLAYE of U3 meets the input/output terminal P1.7 of single-chip microcomputer integrated circuit U1, the speech output end SP+ of U3 connects acoustical generator, serial connection isolating transformer T1 between the speech output end of voice storage integrated circuit U3 and telephone set connection jaws RJ11, the double-tone number of taking place frequently module is selected double-audio signal generation integrated circuit U2 for use, the address input end D0-D3 of U2 and single-chip microcomputer integrated circuit U1 and input/output terminal P3.0, P3.1, P3.4, P3.5 is corresponding to link to each other, the audio signal beginning of U2 can hold TE to meet the input/output terminal P3.7 of single-chip microcomputer integrated circuit U1, the output of U2 is drawn by drive circuit Q2 from its audio output and is connected to isolating transformer T1, also is connected to telephone wire by telephone set connection jaws RJ11.

3, telephone for blind dialer according to claim 1 and 2 is characterized in that described acoustical generator selects buzzer for use, or selects earphone or loudspeaker for use, or select existing telephone set for use that the receiver that utilizes telephone set is as acoustical generator.

4, telephone for blind dialer according to claim 1, it is characterized in that on the input/output terminal P1.6 of single-chip microcomputer integrated circuit U1, being connected to by transistor Q3, the control relay circuit that relay J K1A and resistance R 12 and diode D constitute, the output of this control circuit is from the normally opened contact JK1B of relay J K1A, JK1C sends, JK1B is serially connected between the output and telephone set connection jaws RJ11 of isolating transformer T1, the normally opened contact JK1C of relay J K1A is connected on the power end of voice storage integrated circuit U3 and the double-tone number of taking place frequently integrated circuit U2, and it is used for controlling the working power of U3 and U2.

Images