CN86202066U - Bag with a alertor against theft - Google Patents
Bag with a alertor against theft Download PDFInfo
- Publication number
- CN86202066U CN86202066U CN 86202066 CN86202066U CN86202066U CN 86202066 U CN86202066 U CN 86202066U CN 86202066 CN86202066 CN 86202066 CN 86202066 U CN86202066 U CN 86202066U CN 86202066 U CN86202066 U CN 86202066U
- Authority
- CN
- China
- Prior art keywords
- bag
- alertor
- control line
- alarm
- transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to a bag with an alertor against theft, characterized in that an alertor is added in the general bag. The alertor comprises an audio oscillator, control lines, a loud-speaker and direct current power supply. The control lines are twined around in the fixity, so long as the bag is stolen the alertor can give an alarm, so as to prevent bag stolen and protect people's property.
Description
The utility model belongs to the technical field of small stores, and a kind of antitheft bag promptly is provided.
Along with the raising of living standards of the people, people are more and more higher to the requirement of bag at present, and antitheft bag also occurs in succession.Known antitheft bag is to be placed with warning device in bag, and after opening bag, warning device just sends audible warning.The weak point of this bag only is otherwise opens bag that warning device is just ineffective.
The utility model provides a kind of antitheft bag, as long as bag is stolen, warning device just sends audible warning immediately, thereby has protected people's property.Antitheft bag provided by the utility model is to install an alarm on common bag additional.
Alarm in the antitheft bag provided by the utility model is made up of transistor audio frequency oscillator, control line, loudspeaker and direct supply (being dry cell).
Antitheft bag provided by the utility model, one of embodiment is shown in Fig. 1～2.
Fig. 1 is the upward view of antitheft bag, and alarm just is placed on the bottom of bag.Among the figure, (1) is bag, and (2) are leg, and (3) are snap-fastener, and (4) are protective cover, and (5) are alarm.
Fig. 2 is the fundamental diagram of alarm.Audio frequency oscillator is by transistor (BG1), (BG2), resistor (R1), (R2), and capacitor (C1), (C2) form.When using alarm, earlier protective cover (4) is opened, again control line (I), (II) are enclosed within on the fixtures such as shelf, stool leg, and plug (6) is inserted jack (7), last Closing Switch K.At this moment because short circuit between the base stage of transistor (BG1) and the emitter in the transistor audio frequency oscillator, Gu the transistor audio frequency oscillator is not worked.When bag is stolen, plug (6) must be pulled out from jack (7), at this moment control line (I), (II) disconnect, the work of transistor audio frequency oscillator, loudspeaker (Y) sends audible warning.
Must be pointed out that transistor audio frequency oscillator among Fig. 2 is a kind of in the audio frequency oscillator, when implementing antitheft bag provided by the utility model, all transistor audio frequency oscillators can, its technical essential just is starting of oscillation that switches on and off the control audio oscillator and the failure of oscillation with control line (I), (II).
Further improvement of the present utility model is to add amplifier in the back of audio frequency oscillator, so that alarm sound is more loud and clear.
Antitheft bag provided by the utility model is simple in structure, does not change the production technology of former bag, and is safe and reliable. Alarm namely can be installed on the bag, becomes one with bag, also can make an independently product, just in use, puts it in the bag. The alarm that the latter provides can be migrated and be gone on other article such as luggage, parcel, and this will bring better convenience to people.
Claims (4)
1, a kind of antitheft bag that warning device is installed is characterized in that: warning device is made up of transistor oscillator, loudspeaker (Y), direct supply (E) and control line (I, II).
2, according to the described antitheft bag of claim 1, it is characterized in that said control line (I) is connected on the base stage of transistor (BG1), control line (II) is connected on the emitter of transistor (BG1).
3,, it is characterized in that plug of other end welding of said control line (I), jack of other end welding of control line (II) according to the described antitheft bag of claim 2.
4,, it is characterized in that clip of other end welding of said control line (I) or (II) according to the described antitheft bag of claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86202066 CN86202066U (en) | 1986-04-03 | 1986-04-03 | Bag with a alertor against theft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86202066 CN86202066U (en) | 1986-04-03 | 1986-04-03 | Bag with a alertor against theft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86202066U true CN86202066U (en) | 1987-03-18 |
Family
ID=4805684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86202066 Ceased CN86202066U (en) | 1986-04-03 | 1986-04-03 | Bag with a alertor against theft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86202066U (en) |
-
1986
- 1986-04-03 CN CN 86202066 patent/CN86202066U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right | ||
| CE01 | Termination of patent right |