CN2546951Y - Calculator of displaying digit and Chinese characters unit - Google Patents
Calculator of displaying digit and Chinese characters unit Download PDFInfo
- Publication number
- CN2546951Y CN2546951Y CN 02212493 CN02212493U CN2546951Y CN 2546951 Y CN2546951 Y CN 2546951Y CN 02212493 CN02212493 CN 02212493 CN 02212493 U CN02212493 U CN 02212493U CN 2546951 Y CN2546951 Y CN 2546951Y
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Abstract
The utility model provides a calculator that the numbers and the Chinese character unit are displayed, in which the structure comprises a shell, a display, a keyboard, a microprocessor, a CD-ROM, a data memory and a power. The keyboard is provided with the keys of <decimal system>, <RMB> and <conversion>. The display is provided with a box of <decimal system and RMB> and the display boxes of computing process, calculation result, conversion number and the unit of Chinese character. The user can convert the figure computing results into the metric units or the RMB units displayed through the key operation, thus the workload of the user is reduced. The display method of four digits plus a corresponding unit is adopted for the integers converted into the metric units or the RMB units. Therefore, the display area is saved.
Description
Technical field
The utility model relates to a kind of electronic calculator, exactly is the counter that demonstration can be changed mutually in a kind of numeral and Chinese character unit's literal
Background technology
The operation result of counter all is umerical now.The user need use mental arithmetic again when wanting " first angle branch " of " individual 1,001,000,000,000,000,000 " of decimalize unit or Renminbi unit.When the numeral that shows four easy with interior words mental arithmetic, slow when numeral mental arithmetic more for a long time, also make mistakes easily.In order to address this problem, application number is " 94204177.1 ", and the patent that name is called " counter numerical digit literal shows and the radix point locating device " has proposed a kind of method.It is the decimal unit that shows correspondence at the bottom and upper segment of shown numeral synchronously, though do than directly like this and see that numeral has had raising, but neither be very directly perceived, and the unit that does not show Renminbi, and when showing decimal unit, need use the display screen that shows four lines, the area of display screen is bigger.
Summary of the invention
Fundamental purpose of the present utility model is to provide the counter of a kind of display digit and Chinese character unit, and it can become the digital conversion of computing operation result decimal unit or Renminbi unit to show on display screen.
The utility model is achieved in that it comprises shell, LCDs, keyboard, power switch, microprocessor, ROM (read-only memory), data-carrier store, electrically-erasable memory, power supply, it is characterized in that on keyboard, being provided with " manual switch is provided with key with automatic conversion ", " manually decimal unit shift key " is or/and " manually Renminbi unit's shift key ", corresponding with it LCDs also is divided into three parts, be that a part is used for showing content is set, as be marked with " decimal system and Renminbi " prompting frame at display screen; Another part is used for showing the numeral of calculating process, operation result and conversion and the display box of unit Chinese character, comes display digit and unit Chinese character with the liquid crystal of dot matrix; Go up on the limit (as the left side or the right) of display screen in addition and show make mistakes mark and M+, M-operational label.The kanji code that the unit of display is used leaves in the fixed cell of ROM (read-only memory), delivers to LCDs by the microprocessor taking-up during demonstration and shows.
Consider that the 4-digit number mental arithmetic is easy, when the display box that shows the numeral of calculating process, operation result and conversion and unit Chinese character shows transformation result the integral part on the radix point left side being added a corresponding unit with every 4-digit number is that one group display packing shows, promptly from the order of right-to-left be a unit, 4-digit number, unit, 4-digit number ...; Fraction part still uses numeral to show to decimal unit, keeps two-decimal during to Renminbi unit and shows that one of correspondence is " X angle ", and one is " X branch ".
The utility model counter can be arranged to " Renminbi unit changes automatically " or " decimal unit is changed automatically " and " manual switch " by button.When being arranged to " Renminbi unit changes automatically ", its operation result was converted into Renminbi unit automatically and shows when each computing finished.When being arranged to " decimal unit is changed automatically ", the automatic decimalize unit of its operation result showed when each computing finished.Its operation result showed with numeral when each computing finished when being arranged to " manual switch ", and wanting decimalize unit or be converted into Renminbi unit must be by realizing by " manually decimal unit shift key " or " manually Renminbi unit's shift key ".Be all can be under " automatically conversion " or " manual switch " by changing mutually between the numeral of the decimal unit that shows or Renminbi unit and demonstration by " manually decimal unit shift key " or " manually Renminbi unit's shift key ".The setting of this counter scale and the setting that rounds up all cooperate by button and display screen and realize in addition.When " Renminbi unit " changes, irrelevant with being provided with of scale, all keep two-decimal, the decimal more than two is all rounded up.
Also be provided with on the keyboard function key is set: " giving up/go into " key is used for being provided with the content of relevant " 4 houses 5 are gone into "; " decimal " key is used for being provided with the figure place that decimal keeps.The content of the setting that counter is all leaves in the electrically-erasable memory, and it is constant when closing electricity content to be set.
Effect of the present utility model is: the user becomes decimal unit or Renminbi unit with the digital conversion of operation result rapidly and accurately by automatic or manual.Easy to use, alleviated user's workload.Thereby the integer part that adopts when the utility model is to demonstration decimal unit or Renminbi unit in addition intuitively and less uses figure place showing to save the area of display screen with the display packing that 4-digit number adds a corresponding unit.
Description of drawings
Figure one. and be outward appearance front elevation of the present utility model.
Figure two. and be circuit theory diagrams of the present utility model.
Optimum implementation
Below in conjunction with above-mentioned accompanying drawing a specific embodiment of the present utility model is described:
Figure one is an outward appearance front elevation of the present utility model, wherein 19 is the shell of counter, and 18 is power switch ON/OFF, the 20th, and keyboard, the 201st, " manually decimal unit shift key ", the 202nd, " manually Renminbi unit's shift key " the 203rd, " manual switch is provided with key with automatic conversion ".21 is LCDs, and the latter half 16 of display screen is to be used to show the numeral of calculating process and operation result and conversion and the display box of unit Chinese character for lattice lcd shows; 15,17,13 what show is to go into the relevant content that is provided with unit conversion, scale and decimal 4 houses 5 in the first half of display screen, 12 are the mark of makeing mistakes, 14 is M+, M-operational label frame, the function of most of button is the same with common counter in button part, and what the following describes is use with the relevant button of the utility model.
1. click " conversion " key, 15 of display screen will change displaying contents, changes apparent " decimal system " or changes into and do not show or never show and change apparent " Renminbi " from showing " decimal system " from showing " Renminbi ".What show " Renminbi " expression setting is " Renminbi unit changes automatically ", and what demonstration " decimal system " expression was provided with is " decimal unit is changed automatically ", and what do not show the expression setting is " manual switch ".
2. click " decimal " key, 13 locational number of display screen (figure place that this number keeps for decimal) patrols ring from 0 → 11 → 0 and changes, and " 0 " expression does not have decimal, " 1 " arrive the figure place that " 11 " represent the decimal reservation.
3. click on the position of the latter half 17 of " giving up/go into " key display screen and will change apparent " UT " or change apparent " 5/4 " or change apparent " CUT " from showing " CUT " from showing " 5/4 " from showing " UT ".Show that " 5/4 " expression is set to only 4 houses 5 to be carried out in last position that keeps decimal decimal in addition and goes into, show that " UT " expression is set to that the decimal beyond the reservation decimal is all carried out 4 houses 5 and goes into, show that " CUT " expression is set to that the decimal beyond the reservation decimal is not carried out 4 houses 5 and goes into.
Be below between numeral and the unit conversion for example
Example 1. when counter be set to " decimal unit is changed automatically " (position of display screen 15 shows " decimal system "), keep a decimal (position of display screen 13 shows 1), keep the outer decimal of decimal whole 4 and give up 5 when going into (position of display screen 17 shows " UT ").Computation process as the counter input is: 2284932.123 * 2, and after having imported calculating process, by "=" key, display screen shows " 4,560,000 9864.3 ".(actual result is 4569864.246) is at this moment as again by the leaf system " the key display screen shows " 4569864.3 " again.
Example 2. is set to " Renminbi unit changes automatically " (position of display screen 15 shows " Renminbi ") when counter.Computation process as counter input is: 117339473.18 * 2, after import calculating process, press "=" key display screen demonstration " 200,000,000 3,467 ten thousand 8946 yuan 2 jiaos 2 minutes ".(actual operation result is 234678946.216) at this moment as again shows " 234678946.216 " again by " Renminbi " key display screen.
Example 3. shows " 12,300,000,000 4,567 ten thousand 8912.3 " when the operation result that is set to " manual switch " (position of display screen 15 does not have demonstration), shows as the counter display screen of counter is 12345678912.3 by display screen behind " decimal system " key; At this moment again by " decimal system " key, display screen shows 12345678912.3 again.At this moment by " Renminbi " key, display screen shows " 12,300,000,000 4,567 ten thousand 8912 yuan 3 jiaos "; At this moment again by " Renminbi " key, display screen shows 12345678912.3 again.
Figure two is circuit theory diagrams of the present utility model.Wherein IC1 is the microprocessor 89C52 that includes the 8K ROM (read-only memory), it is the core in the circuit, the kanji code that all control, operation program and the unit of display are used is solidificated in the ROM (read-only memory) of IC1 the inside, and forms 4 * 8 matrix keyboards by P0 mouth and P3.0～P3.3 mouth.IC2 is a 2K electrically-erasable memory 2816, and the address is E800H～EFFFH, is used for depositing all contents that is provided with, IC3 is a 2K data-carrier store 6116, the address is F000H～F7FFH, is used for buffered data, and the high address of address bus is added to A8～A10 of IC2 and IC3 by P2.0～P2.2.When the ALE of microprocessor mouth is latched into low eight address on the P0 mouth in the IC4 address latch 74ls373 during by high step-down, by the 373 A0～A7 that are added to IC2 and IC3.Data bus P0 mouth is added to the data port of IC2, IC3 and IC5 respectively.IC5 is that LCM LCD MODULE DZ-001 is connected with the bus of microprocessor, and its instruction port address is 7FFFH, and the data port address is 3FFFH, sends into corresponding order and data just can show required content to DZ-001.
After pressing the power switch energized, microprocessor is by RESRT end and external 1k resistance, 22 μ electric capacity electrification resets, begin executive routine after resetting, microprocessor scans keyboard by P0 mouth and P3.0～P3.3 mouth, just forwards the handling procedure of corresponding button when button is arranged to.
Change as present embodiment
1. electrically-erasable memory IC2 can do the equivalence replacement with the serial electrically-erasable memory.
2. can be with integrated circuit (IC) 1, IC2, IC3, IC4, IC5, be integrated on a slice integrated circuit.
Claims (4)
1. the counter of display digit and Chinese character unit, comprise shell, display screen, keyboard, microprocessor, ROM (read-only memory), data-carrier store and power supply, it is characterized in that on keyboard (20), being provided with " manually decimal unit shift key " (201) or/and " manually Renminbi unit's shift key " (202); Be provided with " manual switch is provided with key with automatic conversion " (203), correspondingly with it be provided with " decimal system and Renminbi " prompting frame (15) at display screen (21), the numeral of calculating process, operation result and conversion and unit Chinese character display box (16), the mark of makeing mistakes (12) are or/and M+, M-behaviour indicia framing (14).
2. the counter of display digit according to claim 1 and Chinese character unit, it is characterized in that when display box (16) shows transformation result it is that one group display packing shows that the integral part on the radix point left side is added a corresponding unit with every 4-digit number, fraction part still shows with numeral decimal unit, Renminbi unit is kept two-decimal show corresponding " angle ", " branch ".
3. the counter of display digit according to claim 1 and Chinese character unit is characterized in that keyboard is provided with function key " decimal " key and " giving up/go into " key are set
4. the counter of display digit according to claim 1 and Chinese character unit is characterized in that all contents that is provided with leave in the electrically-erasable memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02212493 CN2546951Y (en) | 2002-01-29 | 2002-01-29 | Calculator of displaying digit and Chinese characters unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02212493 CN2546951Y (en) | 2002-01-29 | 2002-01-29 | Calculator of displaying digit and Chinese characters unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2546951Y true CN2546951Y (en) | 2003-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02212493 Expired - Fee Related CN2546951Y (en) | 2002-01-29 | 2002-01-29 | Calculator of displaying digit and Chinese characters unit |
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| CN (1) | CN2546951Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470724B (en) * | 2007-12-25 | 2011-09-28 | 英业达股份有限公司 | Character conversion system and method |
| CN102640088A (en) * | 2009-11-30 | 2012-08-15 | 乐天株式会社 | Input numerical value display device, input numerical value display program, server device for input numerical value display, input numerical value display method, and recording medium wherein input numerical value display program is recorded |
| CN103123466A (en) * | 2011-11-10 | 2013-05-29 | 洛克威尔自动控制技术股份有限公司 | Implementing engineering unit conversions associated with control devices |
| WO2017107850A1 (en) * | 2015-12-24 | 2017-06-29 | 阿里巴巴集团控股有限公司 | Method and device for indicating numeric position information |
| CN106951389A (en) * | 2016-11-24 | 2017-07-14 | 杭州嘀嗒科技有限公司 | A kind of electronic computing system and method based on mobile terminal |
| CN107704419A (en) * | 2017-09-22 | 2018-02-16 | 北京小米移动软件有限公司 | Numeric displaying method and device |
-
2002
- 2002-01-29 CN CN 02212493 patent/CN2546951Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470724B (en) * | 2007-12-25 | 2011-09-28 | 英业达股份有限公司 | Character conversion system and method |
| CN102640088A (en) * | 2009-11-30 | 2012-08-15 | 乐天株式会社 | Input numerical value display device, input numerical value display program, server device for input numerical value display, input numerical value display method, and recording medium wherein input numerical value display program is recorded |
| US9117241B2 (en) | 2009-11-30 | 2015-08-25 | Rakuten, Inc. | Input numerical value display device, input numerical value display program, server apparatus for input numerical value display, input numerical value display method, and recording medium which records input numerical display program |
| CN103123466A (en) * | 2011-11-10 | 2013-05-29 | 洛克威尔自动控制技术股份有限公司 | Implementing engineering unit conversions associated with control devices |
| CN103123466B (en) * | 2011-11-10 | 2016-05-11 | 洛克威尔自动控制技术股份有限公司 | Realize the engineering unit conversion being associated with control appliance |
| US9405284B2 (en) | 2011-11-10 | 2016-08-02 | Rockwell Automation Technologies, Inc. | Implementing engineering unit conversions associated with control devices |
| WO2017107850A1 (en) * | 2015-12-24 | 2017-06-29 | 阿里巴巴集团控股有限公司 | Method and device for indicating numeric position information |
| CN106919320A (en) * | 2015-12-24 | 2017-07-04 | 阿里巴巴集团控股有限公司 | A kind of digit information reminding method and device |
| CN106951389A (en) * | 2016-11-24 | 2017-07-14 | 杭州嘀嗒科技有限公司 | A kind of electronic computing system and method based on mobile terminal |
| CN107704419A (en) * | 2017-09-22 | 2018-02-16 | 北京小米移动软件有限公司 | Numeric displaying method and device |
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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: 20030423 |