CN200980099Y

CN200980099Y - An overtime reminding device for phone without hung up

Info

Publication number: CN200980099Y
Application number: CN 200620048199
Authority: CN
Inventors: 吴悦欣; 任旻
Original assignee: Shanghai Minhang Middle School
Current assignee: Shanghai Minhang Middle School
Priority date: 2006-11-27
Filing date: 2006-11-27
Publication date: 2007-11-21
Anticipated expiration: 2016-11-27

Abstract

The utility model relates to a fixed telephone, in particular to a telephone hung over-time prompter, wherein the utility model has a circuit portion composed of a normal open switch, a timing single-chip, an alarm and a power supply connected in turn, while the normal switch is arranged on a telephone receiver of the telephone. With aforementioned structure, the utility model can resolve the technical problem of prior art as needed telephone line connection, complex structure, complex installment which makes common user process hardly. And the utility model can be arranged on telephone, with easy operation.

Description

A kind of phone is not hung overtime reminiscences

Technical field

The utility model relates to fixed telephone, and particularly a kind of phone is not hung overtime reminiscences.

Background technology

As everyone knows, landline telephone has become the indispensable communication tool of modern.But bad phenomenon often appears hanging in the telephone set of landline telephone.Because the particularity of landline telephone must be put microphone well after number has been engaged, otherwise phone just is in the extension state that loses.At this moment, phone can't be thrown into, and the other side also always stops will delay very much thing like this to the line is busy busy tone.Also having a kind of situation is exactly to like the people of pot " phone congee " for those, if do not remind timely, they also can take telephone set for a long time, not only can produce huge telephone charges expenditure, also can influence other people use.Therefore, there is the people just to invent phone and do not hang overtime reminiscences.

As: Chinese utility model patent specification (Granted publication number: CN2181143Y) disclose a kind of receiver-off-hook reminiscences.It is made of shell and circuit two parts.Circuit is provided with polarity switching, pressure limiting circuit, power switch circuit, voltage stabilizing circuit, amplifying circuit, delay circuit and warning circuit.It is attempted by on the telephone wire, in use phone and circuit is not had harmful effect, can in time remind the user during receiver-off-hook, make phone more unimpeded.

But above-mentioned this device is the structure more complicated not only, and need be connected on the telephone wire, causes installing loaded down with trivial details, that is to say, uses this reminiscences to transform telephone line, therefore, is extremely inconvenient for domestic consumer.

The utility model content

The purpose of this utility model is to provide a kind of phone not hang overtime reminiscences, mainly solving existing apparatus must connect as telephone wire, its complex structure, the loaded down with trivial details technical problem that makes domestic consumer be inconvenient to implement of installation, it can be made on the telephone set, uses very convenient.

For addressing the above problem, the utility model is achieved in that

A kind of phone is not hung overtime reminiscences, it is characterized in that: its circuit part comprises normal open switch, timing single-chip microcomputer, warning device and the power supply that connects successively, and this normal open switch is arranged on the receiver of telephone set.

Described phone is not hung overtime reminiscences, it is characterized in that: this timing single-chip microcomputer is 555 single-chip microcomputers.

Described phone is not hung overtime reminiscences, it is characterized in that: this warning device is the sounding alarm device.

Described phone is not hung overtime reminiscences, it is characterized in that: this warning device is a light emission alarm device.

Described phone is not hung overtime reminiscences, it is characterized in that: also have an increasing apparatus in this circuit.

By technique scheme, the beneficial effects of the utility model are:

1, the utility model can in time remind the user to hang up the telephone under the long-time situation of not hanging of phone, not only can save huge telephone charges expenditure, can also not influence other people and use telephone set.

2, the utility model device is compared with existing apparatus, and is simple in structure, need not when mounted telephone line to be transformed, and it can be mounted on the telephone receiver, therefore, is applicable to domestic consumer.

Description of drawings

Fig. 1 is the utility model device circuit structure chart.

Fig. 2 is a use schematic flow sheet of the present utility model.

Among the figure:

The 1-normal open switch;

2-timing single-chip microcomputer;

The 3-warning device;

The 4-power supply;

The 5-increasing apparatus.

Embodiment

See also Fig. 1, it is the electrical block diagram that a kind of phone of the utility model is not hung overtime reminiscences.As shown in the figure: the circuit part of this device comprises normal open switch 1, timing single-chip microcomputer 2, warning device 3 and the power supply 4 that connects successively, and this normal open switch 1 is arranged on the receiver of telephone set.

Wherein: this timing single-chip microcomputer 2 can be 555 single-chip microcomputers, also can be other timing single-chip microcomputer.This warning device 3 is the sounding alarm device, also is light emission alarm device, or possesses this two kinds of functions simultaneously.Also has an increasing apparatus 5 in this circuit.

See also Fig. 2, when user's machine receiver that picks up the telephone, at this moment, the normal open switch closure makes timer (timing single-chip microcomputer) operation that picks up counting, when timing surpasses the scheduled time (as 30 minutes), warning device sounding (or luminous) is reported to the police, remind the user in time to hang up the telephone.When, when hanging up the telephone, timer carries out rezero operation.

Being preferred embodiment of the present utility model only in sum, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be technology category of the present utility model.

Claims

1, a kind of phone is not hung overtime reminiscences, it is characterized in that: its circuit part comprises normal open switch (1), timing single-chip microcomputer (2), warning device (3) and the power supply (4) that connects successively, and this normal open switch (1) is arranged on the receiver of telephone set.

2, phone according to claim 1 is not hung overtime reminiscences, it is characterized in that: this timing single-chip microcomputer (2) is 555 single-chip microcomputers.

3, phone according to claim 1 is not hung overtime reminiscences, it is characterized in that: this warning device (3) is the sounding alarm device.

4, phone according to claim 1 is not hung overtime reminiscences, it is characterized in that: this warning device (3) is a light emission alarm device.

5, do not hang overtime reminiscences according to claim 1 or 2 or 3 or 4 described phones, it is characterized in that: also have an increasing apparatus (5) in this circuit.