CN201392533Y - multifunctional calculator - Google Patents
multifunctional calculator Download PDFInfo
- Publication number
- CN201392533Y CN201392533Y CN200920055011U CN200920055011U CN201392533Y CN 201392533 Y CN201392533 Y CN 201392533Y CN 200920055011 U CN200920055011 U CN 200920055011U CN 200920055011 U CN200920055011 U CN 200920055011U CN 201392533 Y CN201392533 Y CN 201392533Y
- Authority
- CN
- China
- Prior art keywords
- drain pan
- electrically connected
- microprocessor
- lcd display
- input end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Structure Of Receivers (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
The utility model belongs to the technical field of a calculator, and more particularly relates to a multifunctional calculator comprising a shell, an LCD display screen and a multifunctional keyboard arranged on the shell, and an internal control circuit board, wherein the control circuit board is provided with a microprocessor, a digital FM radio chip and an audio power amplifier circuit, wherein the microprocessor is electrically connected with the digital FM radio chip, and an input end of the audio power amplifier circuit is electrically connected with an audio signal output end of the digital FM radio chip; an input end of the LCD display screen is electrically connected with a display signal output end of the microprocessor; and the multifunctional keyboard is electrically connected with a key signal input end of the microprocessor. The multifunctional calculator simultaneously has the functions of a radio, a clock and the calculator, is convenient for use and simple in structure, and save cost.
Description
Technical field:
The utility model belongs to counter technical field, particularly multifunctional calculator.
Background technology:
In the modern life, radio, clock, counter are being used as the basic tool of living widely by people.Comprising financial institution, market, various fields such as enterprises and institutions and logistics.But present calculator function is single, often has only the function of calculating, does not accomplish counter, clock, wireless function compatibility.
The utility model content:
The purpose of this utility model is to provide a kind of multifunctional calculator that has the function of radio, clock, counter simultaneously at the deficiencies in the prior art, easy to use, simple in structure, saving cost.
For achieving the above object, the utility model adopts following technical scheme:
Multifunctional calculator, it comprises housing, be arranged on LCD display, Multi-Function Keyboard on the housing, and built-in control circuit board, control circuit board is provided with microprocessor, FM frequency-shift keying radio chip, audio power amplifier circuit, microprocessor is electrically connected with FM frequency-shift keying radio chip, and the input end of audio power amplifier circuit is electrically connected with the audio signal output end of FM frequency-shift keying radio chip; The input end of described LCD display is electrically connected with the shows signal output terminal of microprocessor; Described Multi-Function Keyboard is electrically connected with the push button signalling input end of microprocessor.
Further comprise loudspeaker, the input end of loudspeaker is electrically connected with the output terminal of audio power amplifier circuit.
Described housing comprises face-piece and drain pan, and face-piece and drain pan fasten mutually, and described LCD display is fixed on the face-piece, and described control circuit board is fixed between face-piece and the drain pan.
The left side of described drain pan is provided with antenna, and antenna is connected by screw with drain pan.
The top of described drain pan is extended with the support that is used to support LCD display.
The left side of described drain pan is provided with antenna, and antenna is connected by screw with drain pan.
The right side of described drain pan from top to bottom is provided with switch, pilot lamp, earphone jack and volume adjustment knob successively.
The bottom of described drain pan is provided with the battery case that is used to place battery 15, and battery case is provided with the battery door with the battery case coupling.
The utility model beneficial effect is: multifunctional calculator, it comprises housing, be arranged on LCD display, Multi-Function Keyboard on the housing, and built-in control circuit board, control circuit board is provided with microprocessor, FM frequency-shift keying radio chip, audio power amplifier circuit, microprocessor is electrically connected with FM frequency-shift keying radio chip, and the input end of audio power amplifier circuit is electrically connected with the audio signal output end of FM frequency-shift keying radio chip; The input end of described LCD display is electrically connected with the shows signal output terminal of microprocessor; Described Multi-Function Keyboard is electrically connected with the push button signalling input end of microprocessor.The various information that microprocessor generation clock needs also are shown on the LCD display; FM frequency-shift keying radio chip makes this radio have the function of auto channel search, manual search channel, storage of channel; But the Multi-Function Keyboard input information calculates; The utility model has the function of radio, clock, counter simultaneously, easy to use, simple in structure, saving cost.
Description of drawings:
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is a front view of the present utility model;
Fig. 3 is the A-A cross-sectional view of Fig. 2;
Fig. 4 is a decomposition texture synoptic diagram of the present utility model.
Reference numeral:
1---housing 2---LCD display 3---Multi-Function Keyboard
4---control circuit board 5---microprocessor
6---FM frequency-shift keying radio chip 7---audio power amplifier circuit
8---loudspeaker 9---face-piece 10---drain pans
11---support 12---antenna 13---battery cases
14---battery door 15---accumulator
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described, sees accompanying drawing 1-4.
Multifunctional calculator, it comprises housing 1, be arranged on LCD display 2, Multi-Function Keyboard 3 on the housing 1, and built-in control circuit board 4, control circuit board 4 is provided with microprocessor 5, FM frequency-shift keying radio chip 6, audio power amplifier circuit 7, microprocessor 5 is electrically connected with FM frequency-shift keying radio chip 6, and the input end of audio power amplifier circuit 7 is electrically connected with the audio signal output end of FM frequency-shift keying radio chip 6; The input end of described LCD display 2 is electrically connected with the shows signal output terminal of microprocessor 5; Described Multi-Function Keyboard 3 is electrically connected with the push button signalling input end of microprocessor 5.
The various information that microprocessor 5 generation clocks need also are shown on the LCD display 2, and the time can be set at 12/24 hour system, and the AM/PM with 12 hours systems is provided with function.FM frequency-shift keying radio chip be used for receiving and demodulation from the sound signal in radio station, make this radio have the function of auto channel search, manual search channel, storage of channel.Receive the information that the user imports by the multifunctional multiplexing keyboard, send to microprocessor 5 and operate accordingly.Audio power amplifier circuit 7 is the audio frequency output power amplifying devices after the demodulation of FM frequency-shift keying radio chip.Calculator function of the present utility model comprises: fundamental operation input function: 10-9., 00 ,+/-digital input function; + ,-, x, ÷, extraction of square root ,=, the % calculation function; M+, M-, MRC GT memory storage function; C/CE removes function; Automatic shutdown function.In addition, also comprise professional calculator function: 1TAX+, TAX-, tax rate computing function; 2C1, the C2 exchange rate, unit conversion functions.LCD display 2 shows current result of calculation and the date that microprocessor 5 sends.
Present embodiment further comprises loudspeaker 8, and the input end of loudspeaker 8 is electrically connected with the output terminal of audio power amplifier circuit 7, and loudspeaker 8 is used for the sound signal of output audio power amplifier 7 outputs.
The described housing 1 of present embodiment comprises face-piece 9 and drain pan 10, and face-piece 9 fastens mutually with drain pan 10, and described LCD display 2 is fixed on the face-piece 9, and described control circuit board 4 is fixed between face-piece 9 and the drain pan 10.
The left side of the described drain pan 10 of present embodiment is provided with antenna 12, and antenna 12 and drain pan 10 are connected by screw, and antenna is connected with FM frequency-shift keying radio chip.Can be used for strengthening the sound signal reception of FM frequency-shift keying radio chip by pullout antenna 12.
The top of the described drain pan 10 of present embodiment is extended with the support 11 that is used to support LCD display 2, LCD display 2 rotatably is provided with, can adjust the angle of LCD display 2 according to user's needs, when LCD display 2 horizontal positioned, support 11 is fitted with LCD display 2.The below of drain pan 10 is provided with Rubber foot, is used to support the bottom surface of drain pan 10, when preventing that the utility model from placing use, scratches drain pan 10, plays anti-skidding effect simultaneously.
The right side of the described drain pan 10 in right side of the described drain pan 10 of present embodiment from top to bottom is provided with switch, pilot lamp, earphone jack and volume adjustment knob successively.Can insert earphone by earphone jack, listen to radio information, switch is used to turn on or cuts out FM frequency-shift keying radio, and pilot lamp is used to indicate that current FM frequency-shift keying is wireless opens or closed state the wireless volume of volume adjustment knob scalable FM frequency-shift keying.
The bottom of the described drain pan 10 of present embodiment is provided with the battery case 13 that is used to place battery 15, and battery case 13 is provided with the battery door 14 with battery case 13 couplings.In the battery case 13 accumulator 15 can be installed, accumulator 15 provides power supply for the utility model.
The above only is a better embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (7)
1, multifunctional calculator, it is characterized in that: it comprises housing (1), be arranged on LCD display (2), Multi-Function Keyboard (3) on the housing (1), and built-in control circuit board (4), control circuit board (4) is provided with microprocessor (5), FM frequency-shift keying radio chip (6), audio power amplifier circuit (7), microprocessor (5) is electrically connected with FM frequency-shift keying radio chip (6), and the input end of audio power amplifier circuit (7) is electrically connected with the audio signal output end of FM frequency-shift keying radio chip (6); The input end of described LCD display (2) is electrically connected with the shows signal output terminal of microprocessor (5); Described Multi-Function Keyboard (3) is electrically connected with the push button signalling input end of microprocessor (5).
2, multifunctional calculator according to claim 1 is characterized in that: further comprise loudspeaker (8), the input end of loudspeaker (8) is electrically connected with the output terminal of audio power amplifier circuit (7).
3, multifunctional calculator according to claim 1, it is characterized in that: described housing (1) comprises face-piece (9) and drain pan (10), face-piece (9) fastens mutually with drain pan (10), described LCD display (2) is fixed on the face-piece (9), and described control circuit board (4) is fixed between face-piece (9) and the drain pan (10).
4, multifunctional calculator according to claim 3 is characterized in that: the top of described drain pan (10) is extended with the support (11) that is used to support LCD display (2).
5, multifunctional calculator according to claim 3 is characterized in that: the left side of described drain pan (10) is provided with antenna (12), and antenna (12) is connected by screw with drain pan (10).
6, multifunctional calculator according to claim 3 is characterized in that: the right side of described drain pan (10) from top to bottom is provided with switch, pilot lamp, earphone jack and volume adjustment knob successively.
7, according to any described multifunctional calculator of claim 3-6, it is characterized in that: the bottom of described drain pan (10) is provided with the battery case (13) that is used to place battery (15), and battery case (13) is provided with the battery door (14) with battery case (13) coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920055011U CN201392533Y (en) | 2009-04-21 | 2009-04-21 | multifunctional calculator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920055011U CN201392533Y (en) | 2009-04-21 | 2009-04-21 | multifunctional calculator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201392533Y true CN201392533Y (en) | 2010-01-27 |
Family
ID=41599353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920055011U Expired - Fee Related CN201392533Y (en) | 2009-04-21 | 2009-04-21 | multifunctional calculator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201392533Y (en) |
-
2009
- 2009-04-21 CN CN200920055011U patent/CN201392533Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20120421 |