CN2708572Y - A telephone set with automatic charge display - Google Patents

Abstract

The utility model relates to a telephone with automatic charge display which comprises a common telephone with a display screen or a telephone with incoming call display. The structure is characterized in that: the telephone with automatic charge display also comprises a control and automatic charging device; the incoming call signal input terminal of the control and automatic charging device is connected with the output terminal of the incoming call signal detection circuit of the telephone; a speech signal input terminal is connected with the output terminal of a speech detection circuit; the signal output terminal is connected with the input terminal of the display of the telephone; a control signal output terminal is connected with a dialing circuit control input terminal of the telephone; a charge display program is built in the control and automatic charging device; the charge display program has functions of call charge displaying, storing, counting, charge enquiring, and charge arriving prompting. The separate charge collecting devices are integrated into the telephone with incoming call display, so that the functions of call charge displaying, storing, counting, charge enquiring, and charge arriving prompting are provided for the user except for the reduction of cost, contraction of space occupation, and convenience for charge enquiring.

Description

A kind of telephone set of automatic demonstration telephone expenses

Technical field

The utility model relates to a kind of telephone set of automatic demonstration telephone expenses, is a kind of telephone set that talk-through shows the telephone expenses function at once that has.Belong to the telephone set technical field.

Background technology

At present, public pay telephone is to constitute the telephone charges device by discrete alone taximeter and telephone set.Behind the talk-through, must read telephone expenses from taximeter.Use this telephone set charging device to have following shortcoming: (1) must buy taximeter, telephone set separately, has increased user's cost, is unfavorable for the popularization of this device.(2) independent taximeter has accounted for certain space, and when using a plurality of taximeter, its shared space has just become a big problem in public places.It is big to take up room, and uses inconvenient.

The utility model content

The utility model technical issues that need to address.Being the purpose of this utility model, is in order to reduce the cost of setting up the telephone charges device, dwindle telephone charges device occupation space and conveniently to inquire about telephone expenses at once, a kind of caller ID telephone of automatic demonstration telephone expenses being provided.

The utility model addresses the above problem the scheme that is adopted: a kind of telephone set of automatic demonstration telephone expenses, comprise ordinary telephone set or the caller ID telephone of being with display screen, design feature is: also comprise control and jeton, the incoming telephone signal input of described control and jeton connects the output of the incoming telephone signal testing circuit of telephone set, the voice signal input connects the output of the speech detection circuit of telephone set, signal output part connects the display input of telephone set, and control signal output ends connects the dial-up circuit control input end of telephone set; Built-in telephone expenses display routine in described control and the jeton, this telephone expenses display routine have call rate and show, store, add up, inquire about telephone expenses and telephone expenses arrival prompt facility.

The purpose of this utility model also can reach by taking following measure:

The telephone set of described automatic demonstration telephone expenses, comprise storage of at least 40 group caller IDs and clawback circuit, at least 40 groups are got ticket (comprising telephone number, call rate) and enquiry number clawback circuit, double-tone is dtmf dialing circuit, Electronic desk calendar circuit frequently, the perpetual calendar display circuit, can show the moon, day, week, the time, branch; Out line code setting, be applicable to the inner exchanging machine of various standards; Described control and jeton carry lcd driver, and 14 telephone numbers show; The hand-free call function is hung up function, redialing function; Do not need external power supply, only use 3 batteries, have common telephony functions (get phone, receive calls) during no battery; Have telephone expenses demonstration, storage, statistics and query function, calling charge information can be set arrive prompt tone.

The chip EM78806 that described control and jeton adopt Taiwan Yi Long company to produce, this built-in chip type hardware decoder FSK, DTMF generator and lcd driver.

Described telephone set adopts 24C16 EEPROM storage telephone expenses data, date to be provided with, the time is provided with, remember dialing etc., and power down is not lost; Incoming call adopts master control CUP internal memory with going electrical information, can store more group of number, and power down can not lost.

Software comprises following main functional modules: caller identification program module, LCD dot matrix driver module, telephone expenses statistics program module, telephone expenses display routine module.

The grand EM78806 IC of Taiwan justice is advanced in the telephone expenses display routine burning that weaves, and this telephone expenses display routine also has call rate demonstration, storage, statistics, inquiry telephone expenses and telephone expenses and arrives prompt facility.The master cpu that EM78806 IC is shown at once the telephone expenses telephone set as talk-through.This machine cooperates Huawei's intelligent network platform to design for opening the Advice of Charge at the End of Conversation function specially.Pick up counting during from user's communication, user's communication finishes, and platform sends one road calling charge information and decodes by coming electro-detection FSK/DTMF input circuit to enter master control CUP.After the CUP decoding, calling charge information is shown to LCD, and sends one road voice messaging and arrive the prompt tone end and send ' serge serge ' talk-through prompt tone prompting user's communication through hands-free amplifying circuit and finish.

Outstanding effect of the present utility model is:

1, the utility model is the telephone set that a kind of talk-through shows telephone expenses at once, this telephone set independently rater is incorporated in the caller ID telephone, not only reduced cost, dwindled and take up room, make things convenient for telephone expenses inquiries, also to the user provide that call rate shows, storage, statistics, inquiry telephone expenses and telephone expenses arrive prompt facility.

2, the beneficial effects of the utility model are, taximeter is incorporated in the caller ID telephone, greatly reduce to set up the cost that telephone expenses show phone, make it be beneficial to popularization, make things convenient for the user inquiring telephone expenses.Adopted integrated circuit in the circuit, simple in structure.

The drawing explanation

Fig. 1 is the circuit block diagram of the utility model embodiment 1.

Fig. 2 is one of circuit theory diagrams of the utility model embodiment 1.

Fig. 3 be the utility model embodiment 1 circuit theory diagrams two.

Fig. 4 is an embodiment LCD schematic diagram.

Fig. 5 is the guidance panel schematic diagram of embodiment.

Embodiment

Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 constitute the utility model embodiment 1.As can be seen from Figure 1, present embodiment comprises that ordinary calls shows telephone set, control and jeton, the incoming telephone signal input of described control and jeton connects the output of the incoming telephone signal testing circuit of telephone set, the voice signal input connects the output of the speech detection circuit of telephone set, signal output part connects the display input of telephone set, and control signal output ends connects the dial-up circuit control input end of telephone set; Built-in telephone expenses display routine in described control and the jeton, this telephone expenses display routine have call rate and show, store, add up, inquire about telephone expenses and telephone expenses arrival prompt facility.

From Fig. 1, Fig. 2, Fig. 3, Fig. 4 as can be known, the operation principle of present embodiment is as follows:

When the user calls, pick up counting during from user's communication.When user's communication finishes on-hook, platform is coupled to input master cpu (EM78806) 6 (RING), 7 (TIP) pin with the metering data that passes under the FKS standard through C47, C48, R74, R75, this moment, master cpu the 64th was low level when coming bell (common this pin be high level), triode Q1 ends, and ringing circuit is not worked.Metering data is shown to LCD after the master cpu decoding.Meanwhile, master control CUP prompt tone power supply control pin the 62nd sends high level, thereby makes triode Q16 conducting make triode Q8 conducting again, provides working power to hands-free amplifying circuit Q13, Q14, Q15.Master control CUP sends high frequency simulation sound from 59 pin (RTONE__H) and sends ' serge serge ' sound from hand-free loudspeaker and represent that telephone expenses pass to phone down through hands-free amplifying circuit C36, C38, C61, Q13, Q14, Q15 coupling amplification back, and the prompting user checks.When the telephone set machine received that outside line is common to come bell, signal entered the ring IC U1 (KA2411) in the ringing circuit after rectification circuit D1-D4 rectification, and the ringing circuit starting of oscillation is coupled to loud speaker by audio frequency transformer.Behind the off-hook, outside line after polar protective circuit D5-D8 rectification again through start-up circuit Q3-Q5 enter talking path Q10, C20, R31, R32, C24, Q11, the Q12 coupling is amplified into the handle receiver and answers.Under hands-free state, the outside line signal is through Q10, C20, and R31, R32, C24, Q11 is amplified into hand-free loudspeaker and answers through hands-free amplifying circuit Q13, Q14, Q15 again after the Q12 coupling is amplified.The handle telecommunication circuit sends voice signal by MIC1 and enters Q9, and Q10 delivers on the telephone wire after amplifying.Send voice signal when hands-free and then enter Q9 by hands-free transmitter MIC2, Q10 delivers on the telephone wire after amplifying.When receiving the incoming telephone signal of FSK standard, after C47, C48, R74, R75 coupling, be input to 6 (RING), 7 (TIP) pin of master cpu, finally on LCD display, demonstrate the incoming call number after signal is decoded in master cpu.

Existing associative list 1, Fig. 5 are described further the major function of present embodiment:

Table 1 is the explanation of embodiment master control CUP chip pin.

Table 1: master control CUP chip pin explanation

The pin title	The IO mouth	Pin	Power supply	Explanation
					AVSS		1	-	Simulation ground
TONE		2	O	The touch-tone signal output
					PLLC		3	I	The phase-locked loop external connection end
RTIME		4	I	Ring time-delay pin
					RDET1		5	I	Ring detects input
RING，TIP		6，7	I	Fsk signal receives input
					XIN		8	I	32.768KHz crystal input
XOUT		9	O	32.768KHz crystal input
					EST		10	O	Time constant
ST/GT		11	I/O	Time constant
					AVDD		12	-	Simulation VDD
HKS	P67	13	I	Hook switch detects input, and high level is represented off-hook
					SPI	P66	14	I	And the machine testing pin, effectively low, use this pin to reduce power consumption
IC_CHK	P65	15	I	This machine is usefulness not, connects to draw resistance 100K
					IC_RES	P64	16	O	This machine is usefulness not, connects to draw resistance 100K
SCLIC	P63	17	O	This machine is usefulness not, connects to draw resistance 100K
					SDAIC	P62	18	O	This machine is usefulness not, connects to draw resistance 100K
SCL	P61	19	I/O	24LC16 clock pin draws on the 20K resistance
					SDA	P60	20	I/O	24LC16 data pin draws on the 20K resistance
COM7-0		21-28	O	Liquid crystal COM control end
					VSS		29	-	Digitally
TEST		30	I	Ground connection during use
					SEG0-27		31-58	O	Liquid crystal SEG control end
RTONE_H	P84	59	O	Mouth takes place in 450Hz and high frequency simulation sound
					XMUTE	P85	60		Receive quiet pin, effectively low
RTONE_L	P86	61	O	Mouth takes place in low frequency simulation sound
					VDD_CTR	P87	62	O	Prompt tone power supply control pin, 1: power supply is opened; 0: close
SMUTE	P90	63	O	Send quiet pin, effectively low
					RINGOFF	P91	64	O	Telephone expenses transmit the tinkle of bells pass and remain silent, and are low at ordinary times, are height or high resistant when plain old telephone comes bell
NC	P92	65	I/O	Do not use
					R0-R4	P93-P97	66-70	I	The keyboard column scan
AVDD		71	-	Numeral VDD
					RESET		72	-	The chip reset pin, low level is effective
DTMFI	P70	73	I	Audio signal starting input, trailing edge is effective
					C0-C4	P71-P75	74-78	O	The keyboard horizontal scanning line
DPO	P76	79	O	The DP output, output is high during off-hook
					NC	P77	80	I/O	Do not use

Caller ID receives

After receiving FSK standard incoming telephone signal, phone can detect and the demonstration caller ID automatically, shows date, the time of incoming call simultaneously, and the sequence number of recording incoming, and the caller identification signal can refresh the setting of month, day and time automatically, and the setting in year can not change.

The incoming call inquiry

At first by the incoming call query key, then by on look into key and look into down key and realize respectively upwards, thumb downwards, information such as the number that inquiry is sent a telegram here, date and time.

4, caller ID adds " 0 " clawback

During long-distance caller ID clawback, if switch does not send " 0 " in the area code first place, then need continuously by twice redial key, phone can add " 0 " back automatically automatically and transfer in the area code first place.

The telephone expenses inquiry

At first, utilize upturning key and downturning key can realize the cyclic query of Outgoing Number then,, then show this conversation amount of money by looking into the telephone expenses key by removing electric query key.Phone by statistics telephone expenses key, shows the total cost of the phone call of phone by this key under holding state, be adding up of each call rate that passes down.

7, delete function

When pre-dialing status, the R/ delete key can be realized backspace, is used for revising wrong Entering Number;

When the caller ID query State, the R/ delete key can be used to delete the caller ID of the current demonstration of screen.

Check the statistics telephone expenses, pinning the R/ delete key can be zero with the removing of statistics telephone expenses in three seconds.

Adjust the display brightness of LCD

Under hook state, can lighten or dim the tonal gradation of display screen by brightness regulation " rise " key or " downward modulation " key, make the user can select the most clearly to show.

10, the adjustment time

Under hook state, can entry time adjust state by " suspend/when establishing " key, order adjust the week/year/date.Attention: when the caller identification standard of opening as the user was the FSK mode, when having incoming call to squeeze into, telephone set can be calibrated date automatically.

Claims (4)

1, a kind of telephone set of automatic demonstration telephone expenses, comprise ordinary telephone set or the caller ID telephone of being with display screen, it is characterized in that: also comprise control and jeton, the incoming telephone signal input of described control and jeton connects the output of the incoming telephone signal testing circuit of telephone set, the voice signal input connects the output of the speech detection circuit of telephone set, signal output part connects the display input of telephone set, and control signal output ends connects the dial-up circuit control input end of telephone set.

2, the telephone set of a kind of automatic demonstration telephone expenses according to claim 1 is characterized in that: comprise storage of at least 40 group caller IDs and clawback circuit, at least 40 groups are got ticket and enquiry number clawback circuit; Describedly get ticket and enquiry number clawback circuit comprises telephone number, call rate, double-tone dtmf dialing frequently circuit, Electronic desk calendar circuit, can show the moon, day, week, the time, branch the perpetual calendar display circuit, out line code setting and be applicable to the inner exchanging machine of various standards; Described control and jeton carry lcd driver, 14 telephone number display circuits, hand-free circuits, hang up circuit, redial circuit, telephone expenses demonstration, storage, statistics and enquiry circuit, manually calling charge information circuit and arrive prompting sound circuit is set.

3, the telephone set of a kind of automatic demonstration telephone expenses according to claim 1, it is characterized in that: the chip EM78806 that described control and jeton adopt Taiwan Yi Long company to produce, this built-in chip type hardware decoder FSK, DTMF generator and lcd driver.

4, the telephone set of a kind of automatic demonstration telephone expenses according to claim 1 is characterized in that: telephone set adopts storaging chip 24C16EEPROM storage telephone expenses data, date to be provided with, the time is provided with, the memory dialing, and power down is not lost; Incoming call adopts master control CUP internal memory with going electrical information.

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