CN1090105A

CN1090105A - paging receiver

Info

Publication number: CN1090105A
Application number: CN93104441.3A
Authority: CN
Inventors: 陈树豪; 程雄伟; 容启源; 李立; 李�和; 梁炳棠
Original assignee: New Communication Co ltd
Current assignee: New Communication Co ltd
Priority date: 1993-01-22
Filing date: 1993-04-08
Publication date: 1994-07-27
Anticipated expiration: 2013-04-08
Also published as: GB2274528B; GB9301197D0; CN1038890C; HK1006768A1; GB2274528A

Abstract

The paging receiver that is used for the numerical data paging system comprises the shell that a LCD display (12) is housed, and the electronic circuit (20) based on microprocessor is housed in the shell, comprising: CPU (21); Telephone receiver (22) and demodulator (26) are notified from a phone call signal and to its demodulation for the numerical data of receive; Signal decoder (31) is deciphered the call signal through demodulation; With conversion equipment (33), become figure for the call conversion of signals that will decipher, so that be presented on the LCD display (12) based on ROM.

Description

Paging receiver

The present invention relates to a kind of paging receiver.

Existing paging system has two kinds, i.e. digital data system and character paging system.In the numerical data paging system, digital information data is comprised in notifies from a phone call in the signal, is the form of serial binary/position and is modulated on the radio-frequency carrier to send.In the character paging system, notify from a phone call signal and form certain form and transmission, but each character (for example Chinese character, Roman character, words and phrases and additional character etc.) is further being handled so that press specific encoding scheme coding before sending earlier by same mode.This coding makes the input operation of its data in the call center correspondingly become complicated more and slow, thereby has reduced the input and the processing speed of data, makes these two speed slower than numerical data paging system.In addition, encoded character is notified from a phone call signal and is notified from a phone call Chief Signal Boatswain than the numerical data of equivalence inevitably, so just needs longer transmission or propagation time.

The user that numerical data is notified from a phone call need look into a printed coding schedule usually in order to understand the digital information on 7 n segment display ns that are presented at the numerical data paging receiver fully.Great majority (surpass 80% to 90%) notify from a phone call call out the surname that comprises the side of calling or, their telephone number or standard information etc. be convenient to the content that the numerical data paging receiver is handled.In addition, alphanumeric pager is because price is more cheap, and it is lower to charge, and answer speed is fast again, thereby its number of users is more much more than character paging system.

The present invention attempts to provide a kind of and works in general numerical data paging system mode, but can show that the figure that comprises Chinese character, Roman character and words and phrases and special symbol is for the paging receiver of directly reading.

The invention provides a kind of paging receiver that is used for the numerical data paging system, this receiver has a shell, a LCD(liquid crystal display is housed on the shell) display, the electronic circuit based on microprocessor is housed in the shell, this electronic circuit comprises: CPU; Receiver and demodulator are notified from a phone call signal and this signal are carried out demodulation for the numerical data that receives input; Signal decoder is in order to couple together demodulator and CPU, for the call signal through demodulation is deciphered; With based on the ROM(read-only memory) conversion equipment, it is connected with CPU, in order to will through the part of the call signal of decoding or suitably part convert figure to so that under the control of CPU, be presented on the LCD display.Conversion equipment based on ROM preferably stores a plurality of figures by specific addressing scheme storage, and should also comprise address converting device based on the conversion equipment of ROM, in order to provide to CPU corresponding to through the part of call signal of decoding or the proper address of described part, make the CPU can be according to the corresponding figure of this address search.

Become to make it to determine that coding notifies from a phone call the suitable part in signal based on the conversion equipment preferred design of ROM, thereby on LCD display, show so that convert corresponding figure to.

Conversion equipment and address conversion device are preferably disposed on the single integrated circuit chip.

Figure can also be represented Chinese character, Roman character and/or special symbol.

CPU preferably includes display control apparatus, for the usefulness of control LCD display, thereby shows the figure need use the full screen more than LCD display to show.

More particularly, display control apparatus system designs to such an extent that make its control LCD display remove alternately to show two pages of figures.

CPU is preferably divided with signal decoder and is located on the different integrated circuit (IC) chip.

In a most preferred embodiment, LCD display preferably includes a matrix display and digital display, and the former is in order to display graphics, and the latter is included in digital information in the same call signal in order to demonstration.

The matrix display preferred design becomes to have 16 * 16 or 24 * 24 dot matrix.

The size of paging receiver shell preferably photo card is generally big or small.

Referring now to accompanying drawing, also only illustrates in greater detail content of the present invention by way of example.In the accompanying drawing:

Fig. 1 is the front view of paging receiver of the present invention;

Fig. 2 is the zoomed-in view of Fig. 1 paging receiver LCD display;

Fig. 3 is the functional-block diagram of Fig. 1 paging receiver electronic circuit;

Fig. 4 is the flow chart of the key diagram 3 electronic circuit message pick-up courses of work;

Fig. 5 is the flow chart that key diagram 3 electronic circuit information show the course of work;

Fig. 6 is retrieval of key diagram 3 electronic circuit figures and the simplified flow chart that shows the course of work;

The flow chart of the course of work when Fig. 7 is key diagram 3 electronic circuits retrieval institute canned data.

Earlier referring to Fig. 1 and 2, there is shown an embodiment of beeper 10 of the present invention, beeper 10 has the shell 11 of a card dimensions, and shell 11 is provided with LCD display 12 and three soft-touch type keys 13 that are marked with " reading ", " mode " and " selection " respectively.Shell 11 left sides of paging receiver 10 also have a loud speaker and a LED(light-emitting diode) the indicating device (not shown).

There is a 16 * 16(in LCD display 12 left sides or also can is 24 * 24) display surface 14 of dot matrix, also have 7 piece of digital display surfaces 15 of one 9 bit digital to extend to the right side from dot matrix display surface 14.LCD display 12 comprises that also the sex designator 16 of call side, individual digit 7 piece of digital of expression stored information sequence number show 17 and 14 other various indications of expression (special symbols that for example information protection, self-clocking, calling/information type, signal strength signal intensity, cell voltage deficiency, alarm song on/off and information continue.

Paging receiver 10 is to design in order to prepare to be used for existing digital paging system, and the call signal of this system contains the form that is encoded into the serial binary position and is modulated to the pure digital information data that send on the radio-frequency carrier.Carrier frequency is generally 280 megahertzes.Numeral is notified from a phone call signal and is generally included two main data divisions, i.e. code and numeral.In general, code section is represented the surname or the name of the side of call, and numerical portion is represented the contact telephone number of the side of call.

Be provided with electronic circuit 20 in the paging receiver 10, as shown in Figure 3 based on microprocessor.Electronic circuit 20 is by CPU or CPU21 control, but also comprises that this is a super-sensitive narrow band filter by antenna, radio frequency amplifier 24 and the sawtooth waveforms filter 25(of interior dress) the call signal receiving circuit 22 that forms.Receiving circuit 22 back are provided with demodulator circuit 26, for the form that the call signal of being received is demodulated into the serial binary position.Demodulator circuit 26 has a local oscillator 27, this oscillator 27 be tuned to 455 kilo hertzs frequency, and with frequency mixer 28 cooperatings, be reduced to 455 kilo hertzs for the carrier frequency of the beeper signal that will be received, handle being convenient to.The call signal that is drawn after intermediate frequency amplifier 29 amplifies by in addition demodulation of demodulator 30.As is generally known existing digital paging receiver all adopts this call signal receiving circuit 22 and demodulator circuit 26.

Electronic circuit 20 also comprises common standard P OCSAG decoder 31, and it is connected between decoding circuit 31 and the CPU21.PUCSAG decoder 31 is the integrated circuits that the standard firmware is housed, in order to decipher so that the numeral of notifying from a phone call and sending is notified from a phone call signal having been encoded by the standard code scheme that is called " POCSAG " in the art usually before sending.The identification code that identification ROM 32 is used to store this specific paging receiver, it is connected with POCSAG decoder 31, for the usefulness of CPU21 reference.Under the situation that the identification code of coming in is complementary, CPU21 can respond, and handles the call signal of being received.

Electronic circuit 20 also comprises the converting unit 33 based on ROM of a customization, and it is connected with CPU 21.Converting unit 33 has a cover figure, comprising Chinese character (printing type face), Roman character (printing type face) and special symbol, comprises home address conversion firmware in addition.LCD display 12 also is connected with CPU21 with keypad 13.This cover figure is stored in by specific addressing scheme in the part of memory of converting unit 33, and is to be designed so that it is being presented under control of CPU21 on the LCD dot matrix display surface 14.The address transition firmware is used for providing suitable address according to the part of being deciphered by POCSAG decoder 31 in the call signal of coming in to CPU21.CPU21 extracts suitable figure according to this address that provides and is presented on the dot matrix display surface 14 from converting unit 33, more than be described in more detail with reference to Fig. 6.

Illustrate that referring now to Fig. 4 electronic circuit 20 receives the working condition when notifying from a phone call signals/information.Receive and notify from a phone call when calling out (square frame 40) that CPU21 is subjected to interrupting (frame 41), so that receive and store serial bit data (frame 42 and 43) from POCSAG decoder 31.CPU21 decoding and analysis serial bit data (frame 44), the bit data with serial converts heuristicimal code (frame 45) to then.

In Ben Teding paging system and embodiment, numeral paging information system is divided into five main big classes, that is: I class, " having only sound ", do not contain any specific numerical data but the people that requires to be notified from a phone call and call center telephone contact so that verbal information (frame 46) to be provided; The II class, " Chinese surname or given name ", it comprises the surname or the name of call side, and has or do not have contact telephone number (frame 47); The III class, " baptismal name " comprises the English name of call side, and has or do not have contact telephone number (frame 48); The IV class, " special symbol ", this is the code of weaving into numeral, has or do not have the contact telephone number (frame 49) of call side; The V class, " having only numeral ", it only comprises the contact telephone number of call side or the numeral of any appointment (frame 50).Special symbol had both been got the form of symbol and had also been got written form, comprised the information such as " family phone ", " Work Telephone ", " meeting somewhere " and " not leaving without seeing each other ".

CPU21 will classify by (frame 46 to 50) to all these information categories by means of logic decision, divide then and task their suitable index codes and number (frame 51 to 55).When information belongs to II class and III time-like, CPU21 also will detect and assign other sex sign indicating number (

frame

56 and 57).Examine the content of received breath then, see whether it is the calling (frame 58) of repetition.If the information of being received is a repeated call, then will give repetition flag (frame 59).If this same information is again shielded information (frame 60), then also will give protective emblem (frame 61).Finish these and examine and/or when indicating step, can with the information received with the form of coding together with any need with sign store (frame 62), and further store (frame 63) together with the time of collecting mail.

Referring now to Fig. 5, illustrates that electronic circuit 20 shows the course of work of the signal/information of call.During the operation beginning (frame 70), the information that is coding form of being stored reclassifies (frame 71 to 75, this is equivalent to the frame 46 to 60 of Fig. 4) according to information type.When information is that I class to any time-like of IV class will be handled, be presented on the LCD display 12.In this processing procedure, CPU21 can read corresponding figure (frame 76) and it is presented at (frame 77) on the dot matrix display surface 14 from converting unit 33, and remaining numerical data is presented on the LCD numeral display surface 15 (frame 78).Other any data such as sign, type of call and the side's of exhaling sex also can show (frame 79) by means of auxiliary indicator 16 to 18.

The figure of being read may need to show than an also big length of screen length of LCD matrix display 14.In the present embodiment, figure system designs to such an extent that make it take the length that is equivalent to one or two screen on the LCD dot matrix display surface 14.By discerning double screen figure 9(frame 80) by the switching mark (toggle flag) that CPU21 detects.When switching mark occurring, CPU21 can read second page (frame 81) of figure from converting unit 33, then two pages of figures is once switched to (frame 82) on the LCD dot matrix display surface 14 each second.This switching display mode can allow uses the people of beeper to read whole figure, and for example two-character surname, long specific information " lose " and " not loosing " or telephone number, and requires family expenses information symbol that the user replies to family etc.

In different display modes, the whole dot matrix display surface 14 that the figure that launches more than two pages or two pages can be swept away successively from right to left LCD rolls.

Relevant paging information is V time-like (frame 75), and numerical data can directly be presented on the LCD numeral display surface 15 (frame 83) together with any other data (frame 84) such as sign and type of call.

Paging information is once showing, with regard to have audible, (frame 85) sent in alarm signal visible and/or oscillatory type.The alarm signal meeting continue about 8 seconds kind (frame 86) just stop automatically, (frame 87) perhaps also can stop when pushing key button 13.

Fig. 6 has showed that the most clearly CPU21 reads and show the mode of picture and text.When receiving the paging information that relates to figure (frame 90), CPU21 can impel converting unit 33 driving address transition firmwares to analyze and decipher paging information (frame 91), analyze and retrieve needed figure (frame 92), search index address or each address (for example two of the double screen figure addresses) (frame 94) of required figure by specified program and Code Number.

CPU21 reads and stores index address (frame 95), then according to extracting suitable figure (frame 96) in index address this cover figure (comprising character, letter, data and symbol) from be stored in converting unit 33.CPU21 can examine in case of necessity then whether two pages of switching mark that figure is used of switching are arranged the graphical display that is retrieved on LCD dot matrix display surface 14 (97).

Referring now to Fig. 7,, similar with initial display operation shown in Figure 5 basically to the reproduction operation that the call signal/information of being stored is carried out, wear the respective digital of " A " word after the square frame of equivalence is used and represent.Reproducing operation shows institute's canned data (frame 99A) usually in order and is inconjunction with corresponding message sequence number (frame 100A).

In the present embodiment, " POCSAG " decoder 31 and CPU21 system provides with discrete integrated circuit (IC) chip.It is contemplated that these two circuit can synthesize a monolithic, one reduces the number of chip, and two reduce cost.In addition, converting unit 33 can merge to CPU.It is also contemplated that the demonstration that is included in the LCD display surface in a pair of matrix display that adjoins or chooses whole dot matrixs, make the demonstration of information and figure reach degree the most flexibly.

Paging receiver of the present invention can be worked in existing numerical data paging system, can show the figure of directly reading, and comprises Chinese character, Roman character and special symbol, and need not existing paged data system is carried out any modification or adaptability revision.

The present invention only describes by way of example above, and under the prerequisite that does not break away from the present invention's scope of defined in claims, those skilled in the art that can carry out all other modifications to the foregoing description.

Claims

1, a kind of paging receiver that is used for the numerical data paging system, it is characterized in that this receiver has a shell, a LCD display is housed on the shell, electronic circuit based on microprocessor is housed in the shell, and this electronic circuit comprises: a CPU; Receiver and demodulator are notified from a phone call signal and this signal are carried out demodulation for receiving the numerical data of coming in; A signal decoder couples together demodulator and CPU, for the usefulness to deciphering through the call signal of demodulation; With the conversion equipment based on ROM, it is connected with CPU, for will through the part of the call signal of decoding or suitably part convert figure to so that under the control of CPU, be presented on the LCD display.

2, paging receiver as claimed in claim 1, it is characterized in that, described conversion equipment based on ROM comprises address converting device, in order to provide to CPU corresponding to through the part of call signal of decoding or the proper address of described part, make the CPU can be according to the corresponding picture and text of this address search.

3, paging receiver as claimed in claim 1 or 2 is characterized in that, arranges to such an extent that make its definite coding notify from a phone call the suitable part that is used to convert to respective graphical in the signal based on the conversion equipment of ROM, so that be presented on the LCD display.

4, as claim 2 or 3 described paging receivers, it is characterized in that conversion equipment and address converting device are located on the single integrated circuit chip.

5, as each described paging receiver in the claim 1 to 4, it is characterized in that described figure can also be represented Chinese character, Roman character and/or special symbol.

6, as the described paging receiver of above arbitrary claim, it is characterized in that CPU comprises display control apparatus, supply the control LCD display so that show the figure that to use more than a LCD display screen ability content displayed.

7, paging receiver as claimed in claim 6 is characterized in that, display control apparatus system disposes to such an extent that make its control LCD display alternately show two pages of figures.

As the described paging receiver of above arbitrary claim, it is characterized in that 8, CPU is located on the different integrated circuit (IC) chip dividually with signal decoder.

9, as the described paging receiver of above arbitrary claim, it is characterized in that LCD display comprises matrix display and digital display, the former is in order to display graphics, and the latter is included in digital information in the same call signal in order to demonstration.

10, paging receiver as claimed in claim 9 is characterized in that, matrix display preferably makes it have 16 * 16 or 24 * 24 dot matrix.

As the described paging receiver of above arbitrary claim, it is characterized in that 11, the size of shell preferably card is generally big or small.

12, basically as mentioned above and with reference to the Fig. 1 in the accompanying drawing to paging receiver shown in Figure 7.