CN2397683Y

CN2397683Y - Theft-proof losing-proof alarm handset cover

Info

Publication number: CN2397683Y
Application number: CN 99253680
Authority: CN
Inventors: 韩瑞先
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-12
Filing date: 1999-11-12
Publication date: 2000-09-20
Anticipated expiration: 2009-11-12

Abstract

The utility model relates to a theft-proof losing-proof alarm handset cover, which is composed of a handset cover and a cover hook. The utility model is characterized in that the inner part of the handset cover is provided with a transmitting circuit, the cover hook is provided with a receiving circuit, and a spring pressure sheet switch is arranged on a joint which is between the handset cover and the cover hook, so that a monitoring power supply can be cut off when the handset cover is not disengaged from the cover hook, and the complete machine has no power consumption. The utility model has the advantages of power saving, small size, convenient operation, etc.

Description

The anti-lost alarm mobile phone cover of multifunctional burglary-resistant

The utility model relates to a kind of cell-phone cover with anti-theft and anti-losing warning function.

Existing anti-theft and anti-losing warning device is to constitute by transmitting and receiving two parts.One of them is carried, and another part places in the article such as monitored handbag, bag and suitcase.When article of being monitored during away from owner, anti-theft device will send alarm signal, reminds owner to note own entrained article.Above-mentioned alarm has only a mains switch and being disengaged easily and the height that consumes energy, in case separate promptly out of handly with monitor article, and just is not suitable for making things convenient for use for the mobile phone that people carry.

The purpose of this utility model is to provide a kind of multifunctional burglary-resistant anti-lost alarm mobile phone cover.

The utility model is characterized in that because cell-phone cover and mantle hooking device are formed: in cell-phone cover 4, rear side is fixed with a cell-phone cover radiating circuit of being made up of transmitter module IC1, coding integrated circuit (IC) 2 and loud speaker; On mantle hook 10, be fixed with a mantle hook receiving circuit of forming by receiver module IC3, coding integrated circuit (IC) 4 and loud speaker; Cell-phone cover 4 is linked up with organic cover hanging groove 12 of difference and movable mantle extension button 8 on 10 with mantle; Described movable mantle is hung button 8 one ends and can be put in the described mantle hanging groove 12, and realize connecting and fixing of mantle 4 and mantle hook 10, movable mantle is hung button 8 other ends and is arranged at intervals with one of magnet, after mantle hook 10 shifts out mantle hanging groove 12, it can be drawn to left end, other is provided with an extension button and pulls out hairpin 11, when pressing, mantle can be linked up with 10 and push away magnet, move to right-hand member; In described radiating circuit, there are two spring pressuring plate switches 3,5 to be serially connected in radiating circuit electric power loop and the loud speaker electric power loop, i.e. K switch 1, K2; Spring pressuring plate switch 3 is located in the mantle hanging groove 12, and is off-state under the pressure of mantle hook 10, when mantle is linked up with 10 detachment machines cover hanging groove 12, is on-state; Spring pressuring plate 5 is arranged in the mantle, in the time of in mobile phone is packed cover into, is depressed, and is off-state, and mobile phone is released as on-state after extracting mantle out, and loud speaker powers up and sends alarm signal; In described receiving circuit, there are two spring pressuring plate switches 6,7 to be serially connected in receiving circuit electric power loop and the loud speaker electric power loop, i.e. K switch 7, K6; Spring pressuring plate switch 7 is arranged on the following contact point place of mantle hook 10, and is linked up with 10 times contact point pressure and be and open circuit, and when hook 10 is opened, is on-state, makes speaker operation, sends alarm signal; Described spring pressuring plate switch 6 be arranged on movable mantle hang button 8 by magnet one end, and when mantle extension button 8 is positioned at mantle hanging groove 12, being subjected to mantle to hang button 8 ends protrudes the pressure at position and disconnects, when being drawn to left end when mantle extension button 8 detachment machines cover hanging groove 12 and by magnet, this spring leaf switch 7 is released, and connects the receiving circuit working power; Also comprise emitter and the triode VT3 of collector series connection in the loud speaker current supply circuit, two inverter branch roads and K switch 11 that is connected in series in the receiving circuit; The moving contact of described K switch 11 connects described triode VT3 base stage, a fixed contact of K switch 11 connects the output of an inverter ic 6, another fixed contact connects two inverter ics 5, IC6 link, and the input termination coded set of another inverter ic 5 becomes IC circuit 4; All be serially connected with password in the current supply circuit of described reception and radiating circuit and pull out wheel K switch 8, K9, K10, K3, K4, K5 or regular tap.

The utility model can be at hand-set from stolen, forget and lose when taking place and report to the police.Can connect reception, radiating circuit working power at mantle when separating with the mantle hook, and outside away from certain distance, send alarm signal.When mobile phone and mantle hook does not separate, close working power, saved electric energy effectively, prolonged battery useful life.When this device pulled out the disconnected state of polling at password, can close reports to the police was convenient to owner and uses mobile phone.The reception radiating circuit that this device provided has the little advantage of volume, combines very practical and convenient with cell-phone cover with hook.

The drawing explanation:

Fig. 1 is that the side of the utility model cell-phone cover and the combination of mantle hook is cutd open schematic diagram;

Fig. 2 is the rearview of the utility model cell-phone cover;

Fig. 3 is the front view of the utility model mobile phone hook;

Fig. 4 is radiating circuit figure of the present utility model;

Fig. 5 is receiving circuit figure of the present utility model.

Embodiment of the present utility model sees accompanying drawing: wherein 1 is the transmitter housing, the 2nd, the transmitter circuitry plate, the 3rd, transmitter spring pressuring plate K switch 1, the 4th, mantle, the 5th, the spring pressuring plate K switch 2 in the cell-phone cover, the 6th, machine is hung hook spring compressing tablet K switch 7, the 7th, receiver spring pressure K switch 6, the 8th, movable mantle is hung button, the 9th, magnet, the 10th, the mantle hook, the 11st, hang button and pull out hairpin, the 12nd, the mantle hanging groove, 13-15 is that the unlocking pin of mantle pulls out wheel K3-K5, the 16th, receiver antenna, the 17th, adjust the transmitting range knob, 18-20 is that the unlocking pin that machine is hung pulls out wheel K8-K10, the 21st, seek functional switch K11.

Cell-phone cover transmitter circuitry principle is as follows:

Transmitter module CBf1 adopts the surface skin resonator to make the frequency stabilization device, and frequency stability reaches 10 ^-5More than, operating frequency is 303mHz, does not add the about 30m of external antenna transmitting range during at 15V when operating voltage.VD5026 is the geocoding integrated circuit, 7 quadruplets can be provided, and the 1-8 pin of address code (totally 16384 kinds of codings) VD5026 is the address code end, each terminal for ground connection respectively or connect anodal also can be when 1 pin be unsettled the 2-8 pin be connected, in order to strengthen the code signal of 5026,17 pin output, again through VT ₁9014VT ₂9015 amplify back input CBF ₁2 pin transmit to it and to carry out ASK system modulation and little joint antenna slurry is loaded with the 303mHz coded high-frequency signals and launches through inside.

R1 can change transmitting power for an adjustable power resistance, adjusting R1, K1, K3, K4, K5 be the transmitter supply control switch with receiver (Leather cover for handset) when articulating K1 disconnect the transmitter not power consumption of complete machine of not working, K2 is that mobile phone is hung anti-theft switch, during clean attitude for disconnecting, meeting sets out when stealing, and K2 connects B1 conductance alarm K3-5 is 3 * 10 grades of thoughts password thumbwheel switch (having 1000 kinds of codings), K3-5 can be connected arbitrarily shelves when disconnected this alarm free needed antitheft machine to hang when owner seted out and can monitor system.

It is as follows that mobile phone articulates receipts machine circuit principle:

Receiver module CBJ1 has adopted low pressure reduction in inside, little power consumption stabilizing circuit, when receiver receives the useful signal identical with the ground sign indicating number, 17 pin of decoding integrated circuit VD5027, output high level again after VD1N4148 two-stage series connection inverter 74HCO4 is anti-phase to exporting high level, the not conducting of VT19015PNP triode, alarm B2 is sounding not, 17 pin when can not receive useful signal, output low level, again through VD1 and the anti-phase also output low level of 74HCO4 VT, 9015 conducting B2 alarm sounding reminding owners have the people to steal machine or forget above coverage, or 17 pin of destroyed K11 VD5027 when performing, the signal of output through VD1 with the 74HCO4 one-level and just drive VT mutually, in case 9015 this moment this machine can not receive useful signal and do not report to the police and receive and will report to the police useful signal to be convenient to seek stolen article potentiometer be the effective receiving range of scalable in this design, C3 is used for resisting disturbing and prolonging time of fire alarming.

Claims

1. anti-lost alarm mobile phone cover of multifunctional burglary-resistant, it is made up of cell-phone cover and mantle hooking device, it is characterized in that: in cell-phone cover 4, rear side is fixed with a cell-phone cover radiating circuit of being made up of transmitter module IC1, coding integrated circuit (IC) 2 and loud speaker; On mantle hook 10, be fixed with a mantle hook receiving circuit of forming by receiver module IC3, coding integrated circuit (IC) 4 and loud speaker; Cell-phone cover 4 is linked up with organic cover hanging groove 12 of difference and movable mantle extension button 8 on 10 with mantle; Described movable mantle is hung button 8 one ends and can be put in the described mantle hanging groove 12, and realize connecting and fixing of mantle 4 and mantle hook 10, movable mantle is hung button 8 other ends and is arranged at intervals with one of magnet, after mantle hook 10 shifts out mantle hanging groove 12, it can be drawn to left end, other is provided with an extension button and pulls out hairpin 11, when pressing, mantle can be linked up with 10 and push away magnet, move to right-hand member; In described radiating circuit, there are two spring pressuring plate switches 3,5 to be serially connected in radiating circuit electric power loop and the loud speaker electric power loop, i.e. K switch 1, K2; Spring pressuring plate switch 3 is located in the mantle hanging groove 12, and is off-state under the pressure of mantle hook 10, when mantle is linked up with 10 detachment machines cover hanging groove 12, is on-state; Spring pressuring plate 5 is arranged in the mantle, in the time of in mobile phone is packed cover into, is depressed, and is off-state, and mobile phone is released as on-state after extracting mantle out, and loud speaker powers up and sends alarm signal; In described receiving circuit, there are two spring pressuring plate switches 6,7 to be serially connected in receiving circuit electric power loop and the loud speaker electric power loop, i.e. K switch 7, K6; Spring pressuring plate switch 7 is arranged on the following contact point place of mantle hook 10, and is linked up with 10 times contact point pressure and be and open circuit, and when hook 10 is opened, is on-state, makes speaker operation, sends alarm signal; Described spring pressuring plate switch 6 be arranged on movable mantle hang button 8 by magnet one end, and when mantle extension button 8 is positioned at mantle hanging groove 12, being subjected to mantle to hang button 8 ends protrudes the pressure at position and disconnects, when being drawn to left end when mantle extension button 8 detachment machines cover hanging groove 12 and by magnet, this spring leaf switch 7 is released, and connects the receiving circuit working power; Also comprise emitter and the triode VT3 of collector series connection in the loud speaker current supply circuit, two inverter branch roads and K switch 11 that is connected in series in the receiving circuit; The moving contact of described K switch 11 connects described triode VT3 base stage, a fixed contact of K switch 11 connects the output of an inverter ic 6, another fixed contact connects two inverter ics 5, IC6 link, and the input termination coded set of another inverter ic 5 becomes IC circuit 4; All be serially connected with password in the current supply circuit of described reception and radiating circuit and pull out wheel K switch 8, K9, K10, K3, K4, K5 or regular tap.