CN1949800A - Keyboard controller for mobile phone organizer - Google Patents
Keyboard controller for mobile phone organizer Download PDFInfo
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- CN1949800A CN1949800A CN200610053718.2A CN200610053718A CN1949800A CN 1949800 A CN1949800 A CN 1949800A CN 200610053718 A CN200610053718 A CN 200610053718A CN 1949800 A CN1949800 A CN 1949800A
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- keyboard
- telephone
- circuit
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- mobile phone
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Abstract
The invention is a blind-used telephone keypad control device, relating to a telephone and cellphone keypad control technique, especially relating to a blind-used telephone and cellphone keypad control technique, characterized in that: a MCU is connected in series between telephone keypad and telephone, input port of the MCU is connected with connections at output end of the telephone keypad; output port of the MCU controls switching circuit, the switching circuit controls ON-OFF of connenctions between the telephone keypad and telephone, voice generator circuit is connected with the output port of the MCU. As pressing key short time, it provides corresponding key number voice prompt; as pressing key long time, corresponding key number is confirmed and outputted. And the design of the invention applied to blind-used telephone and cellphne keypad can make the blind accurately use telephones and cellphones by key pressing twice and voice prompt, brinding about the convenience for the blind to use telephones and cellphones.
Description
Technical field
The invention relates to the control technology of a kind of telephone set and cell phone keyboard, the telephone set that particularly a kind of suitable blind person uses and the control technology of cell phone keyboard.
Background technology
Prior art telephone set before the invention and cell phone keyboard be not owing to there is sound prompt device, and the blind person can't use.
Summary of the invention
The purpose of the invention provides a kind of keyboard controller for mobile phone organizer.
The invention solves the technical scheme that its technical problem adopts: keyboard controller for mobile phone organizer, comprise telephone set and cell phone keyboard circuit, and it is characterized in that the connected mode of single-chip microcomputer and keyboard circuit, speech synthesizer circuit.Single-chip microcomputer is serially connected between telephone keyboard and the telephone set, the single-chip microcomputer input port is connected with the wiring of telephone keyboard output, single-chip microcomputer output port control switch circuit, switching circuit is controlled the connection and the disconnection of telephone keyboard and the wiring of telephone set main frame respectively.The speech synthesizer circuit is connected with the single-chip microcomputer output port, when the weak point keypad, the voice suggestion of keyboard respective number is arranged, and when long keypad, respective number adds their confirmation and exports.The speech synthesizer circuit is the array sound-compound-circuit, utilizes 4 road input/output ports to form matrix keyboard, and the matrix keyboard signal is connected with one-chip machine port with sound-compound-circuit respectively.Reset key one end is connected with the single-chip microcomputer input port, and is connected with positive source by resistance, other end ground connection.
The beneficial effect of the invention is: the invention is applied to the design of blind telephone machine and mobile phone for blind user keyboard, by twice button and voice suggestion, can make the blind person correctly use telephone set and mobile phone, use telephone set and mobile phone to bring convenience and be equipped with reset key to the blind person, use for the normal person.
Description of drawings
The invention will be further described below by accompanying drawing.
Fig. 1 is the electrical schematic diagram of the invention.
Embodiment
Referring to Fig. 1.Keyboard controller for mobile phone organizer comprises telephone set and cell phone keyboard circuit and speech synthesizer circuit, and its main points are connected modes of single-chip microcomputer and keyboard circuit, speech synthesizer circuit.Single-chip microcomputer is serially connected between telephone keyboard and the telephone set, the single-chip microcomputer input port is connected with the wiring of telephone keyboard output, single-chip microcomputer output port control switch circuit, switching circuit is controlled the connection and the disconnection of telephone keyboard and the wiring of telephone set main frame respectively.The speech synthesizer circuit is connected with the single-chip microcomputer output port, when the weak point keypad, the voice suggestion of keyboard respective number is arranged, and when long keypad, respective number adds their confirmation and exports.The speech synthesizer circuit is the array sound-compound-circuit, utilizes 4 road input/output ports to form matrix keyboard, and the matrix keyboard signal is connected with one-chip machine port with sound-compound-circuit respectively.Reset key one end is connected with the single-chip microcomputer input port, and is connected with positive source by resistance, other end ground connection.
Present embodiment single-chip microcomputer input port port I/O (1), I/O (2), I/O (3), I/O (4), I/O (5), I/O (6), I/O (7), I/O (8) are connected with the telephone set matrix keyboard, single-chip microcomputer output port I/O (9), I/O (10), I/O (11), I/O (12), I/O (13), I/O (14), I/O (15), I/O (16), I/O (17), I/O (18), I/O (19) control switch circuit, switching circuit is controlled the connection and the disconnection of telephone keyboard and the wiring of telephone set main frame respectively.Switching circuit comprises anti-phase integrated circuit 2003 and relay, and the normally opened contact of relay is connected with the in-out end of telephone keyboard with the wiring of telephone set main frame respectively.The speech synthesizer circuit is the array sound-compound-circuit, and present embodiment adopts 16 key sound-compound-circuit HT83 series of products.When the weak point keypad, the voice suggestion of keyboard respective number is arranged, when long keypad, the connection of Single-chip Controlling switching circuit control telephone keyboard and the wiring of telephone set main frame also refreshes.The speech synthesizer circuit comprises speech IC and loud speaker.Reset key one end is connected with single-chip microcomputer input port I/O (20), and is connected other end ground connection with positive source by resistance.Reset key is used for the normal person, and has regularly restore funcitons.
The present embodiment single-chip microcomputer adopts the 8-bit microcontroller PIC16C57 of U.S. MICROCHIP company.Wherein 11 ports use for switching circuit, can use expanded circuit or change single-chip microcomputer when needing more multiport.
Claims (5)
1, a kind of keyboard controller for mobile phone organizer comprises telephone set, cell phone keyboard circuit and speech synthesizer circuit, it is characterized in that the connected mode of single-chip microcomputer and keyboard circuit, speech synthesizer circuit.
2, a kind of keyboard controller for mobile phone organizer according to claim 1, it is characterized in that single-chip microcomputer is serially connected between telephone keyboard and the telephone set, the single-chip microcomputer input port is connected with the wiring of telephone keyboard output, single-chip microcomputer output port control switch circuit, switching circuit is controlled the connection and the disconnection of telephone keyboard and the wiring of telephone set main frame respectively.
3, a kind of keyboard controller for mobile phone organizer according to claim 1, it is characterized in that the speech synthesizer circuit is connected with the single-chip microcomputer output port, when the weak point keypad, the voice suggestion of keyboard respective number is arranged, when long keypad, respective number adds their confirmation and exports.
4, a kind of keyboard controller for mobile phone organizer according to claim 1, it is characterized in that the speech synthesizer circuit is the array sound-compound-circuit, utilize 4 road input/output ports to form matrix keyboard, the matrix keyboard signal is connected with one-chip machine port with sound-compound-circuit respectively.
5, a kind of keyboard controller for mobile phone organizer according to claim 1 is characterized in that reset key one end is connected with the single-chip microcomputer input port, and is connected other end ground connection by resistance with positive source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610053718.2A CN1949800A (en) | 2006-10-08 | 2006-10-08 | Keyboard controller for mobile phone organizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610053718.2A CN1949800A (en) | 2006-10-08 | 2006-10-08 | Keyboard controller for mobile phone organizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1949800A true CN1949800A (en) | 2007-04-18 |
Family
ID=38019172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610053718.2A Pending CN1949800A (en) | 2006-10-08 | 2006-10-08 | Keyboard controller for mobile phone organizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1949800A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520822A (en) * | 2011-12-09 | 2012-06-27 | 无锡知谷网络科技有限公司 | Touch-recognizable touch screen for mobile phone for the visually impaired and response manner thereof |
-
2006
- 2006-10-08 CN CN200610053718.2A patent/CN1949800A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520822A (en) * | 2011-12-09 | 2012-06-27 | 无锡知谷网络科技有限公司 | Touch-recognizable touch screen for mobile phone for the visually impaired and response manner thereof |
| CN102520822B (en) * | 2011-12-09 | 2014-09-10 | 无锡知谷网络科技有限公司 | Touch-recognizable touch screen for mobile phone for the visually impaired and response manner thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070418 |