DE3026806A1 - PORTABLE ALARM DEVICE AGAINST THEFT AND BURGLAR - Google Patents

Description

Coves - Compagnia Vendite. July 15, 1980 Estero S.r.l. Cg / Tg. 4558

2, Via Dora B 1803 Al / ho

00198 Rome
Italy

Description 10

Portable alarm device against theft and burglars

The invention relates to a portable device 9 ^e 9 ^s theft and burglar.

Alarm devices against theft and burglars of the microwave type, which use the Doppler effect when a person moves within an area covered by a microwave beam is well known. These known devices are for permanent installation suitable, are calibrated after installation and are therefore "rigid" in their operation. In addition, the protection area not easily changed by the user.

The present invention is directed to providing a portable device of the aforesaid type which is suitable is to set up a surveillance area whose sensitivity and location can be easily selected by the user and are used to protect "strategic" areas which can be easily changed by the user, internally he simply changes the orientation of the device and / or changed its sensitivity.

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This is done according to the invention by a portable alarm device against theft and burglars achieved, which is characterized by a housing on its front a Doppler effect microwave unit is mounted, a control panel, which the operating or control devices for the sensitivity of the alarm excitation and alarm shutdown system carries a light indicator for "alarm ready", battery powered energy sources, one Siren and a mechanical device physical motion detector set to operate in the event of a Removal of the device from the monitoring position Triggers an alarm. In addition, a clock system is provided in the device to the delay logic for to activate and send the alarm signal.

Further advantages, features and possible applications of the present invention emerge from the following Description of an embodiment in connection with the drawing. It shows:

Fig. 1 is an overall view of the device according to the present invention,

Fig. 2 is a "see-through" view showing the arrangement of the internal elements of the apparatus shown in Fig. 1, shows

Fig. 3 shows the operating or control devices on the

Control panel,
30th

Fig. 4 is a block diagram of the apparatus according to the present invention Invention and

Figure 5 is a flow chart illustrating the operation of the apparatus of the invention.

As shown in Fig. 1, the device has in its external structure a housing 1 with a front plate 2,

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on which there is a window 3 for the microwave device which emits the monitoring beam, a plate 4 with operating or control devices and display devices, which are described in detail below a top plate 5 with a grid opening 6 near the alarm siren and a handle 7 for transporting the device.

As shown in Fig. 2, the internal structure consists of a microwave unit 10, which is rechargeable Battery 11, a transformer and an associated energy source 12, a board 13 with a printed circuit with the system electronics, a plate 14 to accommodate the operating and display devices and e ± ier siren 13 ', which takes care of the sound alarm.

Referring to Fig. 3, more details of the plate 14 and the associated operating and operating parameters will be given below Display devices described. 20th

On the plate 14 are two light display devices 15, 16 each for checking the sensitivity of the device and to display the status "ready", a control button 17 for the device sensitivity, a test push button 18 and a lock contact 19 for the activation and deactivation of the alarm system.

Referring to Fig. 4, the electrical circuit diagram of the alarm device will now be described. As shown in ^{FIG. 1} , an AC voltage source 20 with a battery 21 is provided.

A switch 22 controls the supply of energy to the electronics.

The actual device has a Doppler effect microwave unit 23 known type, which controls a clock 24 to the operating times according to a Control flowchart shown in FIG. The clock

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25 operates an oscillator / amplifier 25 which in turn controls a loudspeaker / siren 26. A ^v acceleration switch 27 may also operate the oscillator / amplifier 25 to the audio alarm to activate when the device is manipulated in an unauthorized Uberwachungszustand.

When the device is activated, the following operations must be performed:

Adjusting the device so that the window 3 is aligned with the area to be protected;

Depressing the test push button 18 and setting the sensitivity controller 17 to a minimum; 15th

Move to the edge of the area to be protected and wait a few seconds;

Light indicator 15 will then light up; 20th

One step towards the device;

The sensitivity display device 15 is switched off for a few seconds, which indicates that the sensitivity is sufficient; otherwise the operations described above must be repeated;

Deactivating the test push button 18.

pure "output" activation is the key in the switch 19 and turn to turn on the device. The display device 16 for the status "ready" lights up indicating this condition. It remains

a few minutes to get out of the alarm range. 35

Approximately 15 seconds are available for the "input" shutdown available to turn the key in switch 19 and then switch off the device.

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1 In Fig. 5 is the time sequence described in detail shown.

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Claims (1)

PATENT AND LEGAL AXY 3026806 LAWYER PATENTANWÄLTE- JOCHEN PAGENBERG dr jur..ll μ Harvard WOLFGANG A. DOST dr. dipl UDO W. ALTENBURG D, PL.- GALILEIPLATZ 1, 8000 MUNICH 80 TELEPHONE (0 89) 98 66 64 TELEX: (05) 22 791 pad d CABLE: PADBÜRO MUNICH date July 15, 1980 Cg / Tg 4558 B 1803 Al / ho Claim Portable alarm device against theft and burglars, marked through a housing (1), on the front side (2) of which a Doppler effect microwave unit (10) is mounted, ' a control panel (4), which controls the operating or control devices (17,18,19) for the sensitivity of the alarm excitation and alarm shutdown system carries a light indicator (15,16) for "alert", an alternating voltage source (20) with supplementary battery (21) and a mechanical detector for the physical movement of the device, which is so set is that it triggers the alarm in the event of removal of the device that is in the monitoring position. 030067/0737 • APPROVED REPRESENTATIVES AT THE EUROPEAN PATENT OFFICE ■ PROFESSIONAL REPRESENTATIVES BEFORE THE EUROPEAN PATENT OFFICE MANDATAIRES AGREES PRtS L OFFICE EUROPEEN DES BREVETS