EP0183738A1 - Control installation and method for checking control points in a surveillance installation - Google Patents
Control installation and method for checking control points in a surveillance installationInfo
- Publication number
- EP0183738A1 EP0183738A1 EP19850902469 EP85902469A EP0183738A1 EP 0183738 A1 EP0183738 A1 EP 0183738A1 EP 19850902469 EP19850902469 EP 19850902469 EP 85902469 A EP85902469 A EP 85902469A EP 0183738 A1 EP0183738 A1 EP 0183738A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- data
- control
- data collector
- control system
- collector
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/20—Checking timed patrols, e.g. of watchman
Definitions
- the invention relates to a control system with at least one stationary control point and a central data collector assigned to the control points for acknowledging the individual control points, each control point being assigned an identifier.
- the invention also relates to a method for acknowledging control points in a monitoring system, the acknowledgment comprising time information and an identifier assigned to the respective control point.
- control systems of the type mentioned are used on a large scale, around buildings or. To largely secure building sections against break-ins or unauthorized entry - especially outside normal business hours.
- the long-known time clock is used for guard control.
- a key in a key box, the key bit of which is mechanically coded and identifies the respective control point.
- the watchman inserts the key into the time clock, which then uses a printing unit on a control strip to record the time, date and number of the inspection body - i.e. the number of the key.
- control strip which can be several meters long for large objects to be monitored with many control points to be run at intervals. This leads to the fact that the control strips of the time clock are often stored unread. The control strip is only used and checked when a claim or an insurance claim has actually occurred.
- the security guard can only be checked after the security guard has acknowledged the control points on a prescribed route and then handed in the time clock with the control strip to the control center. During the route itself there is no contact with the head office. The protection of the guards, who are often exposed to dangers during the inspection rounds, must therefore be regarded as insufficient.
- the security against deliberate manipulation can be classified as very low when the guard is checked with the mechanical time clock and the control keys.
- the low security against manipulation can therefore lead to insufficient protection due to incomplete inspection rounds.
- the number of mechanical coding options for the key bits is limited, and in a conventional system only 999 different keys - i.e. control points - with the corresponding numbering are currently possible. Although this may be sufficient for individual systems, it can happen with several systems that are separated from one another with the same system that a key with a certain number is present in total several times. In such a case, a control point of another object in southern Germany could be acknowledged, for example, with a control key from northern Germany.
- guard protection In the surveillance system known under the term guard protection, a radio device with a transmitting and receiving part is used instead of the time clock. In contrast to the guard control, a constant contact between the guard and the control center is possible, which enables better protection of the guard and quicker detection of an intrusion.
- a radio signal is then sent to the control center, which contains the number of the control point but not the time. This is detected by the control center on receipt, which then confirms receipt by sending an acknowledgment signal, which causes an acoustic or optical signal on the radio. The guard can now remove the radio from the control point and continue his route.
- the guard protection is also limited in its possible applications and has disadvantages.
- a control point is in the "radio shadow"
- radio shadows occur, for example, through larger metal containers (e.g. cooling towers) or the like.
- the radio devices cannot be used to control rooms that are particularly secured with metal, such as a bank vault, because the radio signals cannot penetrate the walls.
- metal such as a bank vault
- the known surveillance systems are not free from disadvantages, so that an optimal object and personal protection is not possible.
- the invention intervenes, which is based on the task of creating a control system which enables a substantially better protection and a much better control secured against manipulation using simple means.
- the invention is intended to enable a method for acknowledging control points in a monitoring system.
- each control point is formed by a data carrier which can be queried without contact, the data being stored or arranged separately along an area and locally, and that the data carrier has a data reading head for serial reading of the data when the read head or the data collector moves over the data carrier and has an electronic memory connected to the read head.
- the Data can be encoded and stored in digital technology in the form of individual bits, it is possible with the invention to encode and store a practically unlimited number of different numbers. This ensures that even within a large local area with several objects to be monitored, each number of a control point actually only occurs once. This increases the security against manipulation considerably.
- Acknowledgment or confirmation of a control point is extremely simple with the invention, because it suffices to "stroke" the data collector by hand from top to bottom over the data medium - control point.
- the data of the control point are transferred dynamically to the memory by serial reading. In this way, all the data of an inspection tour can be saved. Later, the data can then be logged or printed out and displayed in a center using a personal computer or the like.
- Both the data carrier and the data collector can each be accommodated in a handy plastic housing.
- the data carrier can be made extremely flat since it only contains a code strip behind its reading surface.
- the data of the respective data carrier or the respective control point can be arranged in bit form on the code strip.
- the data carrier can be attached to a desired control location, for example by gluing or screwing. It is also easily possible to change the control points locally over time.
- the operating voltage source does not remain switched on continuously, but is only switched on immediately before the serial reading of the data of a control point for a short time during the reading process. This can significantly increase the battery life.
- the aforementioned switching on of the operating voltage source is carried out by a contactlessly activatable sensor, which forms a second reading head at the data collector, so to speak. This sensor reacts to a magnet, which is located behind an inclined surface above the reading surface of the data collector. If the data collector is moved manually from top to bottom on the surface of the data carrier to acknowledge a control point, the operating voltage source is first switched on, and then the data is queried and stored.
- a radio with a transmitting and receiving part can be connected to the data collector in order to send the stored data to a central station, from where reception can be acknowledged.
- the data in the memory of the individual control points are queried, transmitted and, after transmission, "stored” again in the memory, with the "note” that the data of the relevant control point have been transmitted and received by the control center.
- the data collector contains an "intelligence" in the form of a microprocessor. This creates previously unknown possibilities for monitoring in terms of increased security.
- the respective route can be determined on different days, possibly using a random generator. It is therefore possible to randomly specify a specific sequence in which the individual control points have to be queried. After a first control point has been acknowledged, the watchdog is shown on a display of the data collector which control point he must go to next. In addition to the date, time and number of the respective control point, the selected route is also saved in the memory.
- the data collector comprises a clock chip as a time base and that the "regulation" is specified, certain control points within a certain time window - that is, within a certain period of time - to acknowledge.
- the data collector comprises a clock chip as a time base and that the "regulation" is specified, certain control points within a certain time window - that is, within a certain period of time - to acknowledge.
- all checkpoints are stored at a time at which they have to be reached at the start of the inspection. If the checkpoint in question is not reached within a certain time window, a code call to the center can be made by means of the transmitter. This allows irregularities to be recorded immediately.
- the automatic and periodic sending of the data present in the memory is of particular advantage, particularly in the case of so-called district services.
- the transmitter can be arranged in the vehicle for sending out the data stored in the memory of the data collector.
- the data collector is placed in a holder and automatically connected to the transmitter, so that the data can now be passed on to the control center by radio. With radio shadows - as mentioned - the transmission is repeated until it has been received by the control center.
- the invention surprisingly partially combines both features of the guard control and guard protection, the entirety of these features leading to a completely new control system with the advantages mentioned.
- the individual control points are still queried, but here the fault is due and also very maintenance-requiring mechanics replaced by electronics, the electronics further leading to the advantage that manipulations are practically excluded.
- the invention also takes up the idea of guard protection to be able to establish a connection to the control center as quickly as possible, in such a way that this basic idea is not disturbed by any radio shadows that may be present.
- the new control system can also be used, for example, if the control points are located in rooms shielded by metals (eg a bank vault). The features of the guard protection and guard control are thus decisively improved by the invention.
- FIG. 1-3 several views of a data collector; 4-5 are a top view and a side view of a data carrier,
- Fig. 8 is a schematic block diagram of the
- Fig. 9 is a schematic diagram of a
- Fig. 10 shows the schematic diagram of a
- the data collector 10 shown in FIGS. 1-3 has notches 12 in its lower area in order to be able to grip the data collector 10 non-slip by hand. 1 that the data collector 10 has two light-emitting diodes 14 and 16. One LED 14 signals - what below is explained in more detail - the switching on of the data arrester while the other light-emitting diode 16 indicates the reading of a data carrier 28 (cf. FIG. 6) at the end when the read data have been stored.
- two projections 20 and 22 can be seen, which form a reading track 18 between them.
- the data reading head 24 and a sensor 26 are shown within the data collector 10 close to the surface of the reading track 18 and a sensor 26.
- the width of the reading track 18 is selected so that the reading surface 32 of the one shown in FIG and 5 shown data carrier 28 can be detected.
- the data carrier 28 forming a control point in a control system is shown in more detail in FIGS. 4 and 5 in a top view and a side view.
- the data carrier 28 has a flat housing 30, which is preferably made of plastic.
- At the top of the reading surface 32 there is an inclined surface 34 on which an arrow symbol 38 is applied.
- the arrow symbol 38 indicates to the user that the data collector 10 - as shown in FIG. 6 - is moved in the direction of the arrow 44 with the reading track 18 from top to bottom on the data carrier 28, starting on the inclined surface 34.
- the data itself is located behind the reading surface on a code strip 36, which is shown in FIG. 5 with dashed lines.
- This code strip can be introduced into the housing 30 and then cast by means of a casting compound, so that it is no longer accessible from the outside in order to prevent manipulation.
- FIG. 6 also illustrates that the flat housing 30 of the data carrier 28 can be easily attached to a wall 42, e.g. by gluing.
- Fig. 7 it is shown that the data collector 10 at its lower end - but within the housing - has a connector strip 46 with knife contacts 50, which are protected by the fact that the knife contacts 50 are only accessible via corresponding openings 48.
- the data collector 10 can be inserted into an opening of a charging station 80 which is adapted to its shape (cf. FIG. 10), the knife contacts 50 engaging with assigned contact pins.
- Essential components are a microprocessor 52, a memory 54, and a buffer (or a buffer battery) 56.
- the microprocessor 52 is connected to the memory 54 and also to the buffer 56 for control purposes.
- the data collector 10 also has the data reading head 24 connected to the microprocessor 52 in order to process and read the data of the code strip 36 read in digital form to save.
- a serial interface 66 is also connected to the microprocessor 52, which - as the arrow 70 indicates - leads to the connector strip 46 or the transmitter 69.
- the data collector 10 has an emergency call button 60 (which can also be used as an acknowledgment button), and a control connection to the transmitter 69 with a receiving part 71 can be established via a connection indicated by the arrow 68. Via this transmitter, memories 54 can be stored Data are sent to a control center, and it is also possible to make an emergency call via the transmitter 69 by pressing the emergency call button 60.
- the transmitter 69 with the receiving part 71 is normally provided as a separate structural unit, for example in a vehicle of the security personnel, but it is also possible to integrate the transmitter 69 with the data collector 10 as one unit. In the former case, the data collector 10 can be inserted into a corresponding opening in the transmitter 69 in order to establish the required electrical connections by means of the plug connector 46. Outside the individual control points, the transmitter 69 then simultaneously serves as a storage area for the data collector 10. The confirmation from the central unit reaches the microprocessor 52 via the connection 73.
- FIG. 9 shows a complete control system with subsequent evaluation via a data input 72 with a control center 74 as a basic circuit diagram.
- the Ver Different control points of an object to be monitored are formed by the data carriers 28 a - 28 g.
- the checkpoints can be queried and acknowledged by the security staff using data collectors 10 a - 10 c.
- Each data collector 10 a - 10 c stores the data read from the data carriers and the time and date. After the end of a control tour, the stored data are entered into a data input 72 and evaluated in a control center 74.
- such a center comprises a charging station 80 with an opening into which the data collector 10 can be inserted.
- the electrical connection produced in this way can be used to charge the operating voltage source of the data collector 10, and on the other hand the stored data can now be called up and displayed on the screen 84 of a computer 82.
- This can be a conventional personal computer with a keyboard 86 and a connected printer 88.
- a log printout of the completed inspection run is also possible.
- the control center 74 further comprises a radio receiving device 76 with an antenna 78.
- a radio receiving device 76 with an antenna 78.
- these data can be transmitted to the radio reception device 76 received and passed on to the computer 82.
- the confirmation of the receipt of the data is sent to the respective data collector 10 (receiving part 71) by means of a transmitter (not shown).
- each data carrier has a code strip 36 on which the data identifying the respective control point are applied.
- the data can be formed by individual magnetic bits, which are spatially spaced from one another in a pattern on the code strip 36.
- the data reading head 24 registers the individual bits, which are then stored digitally in the memory 54.
- the individual bits can be used in various known code forms, ie the numbers of the respective control points are present on the code strip 36 in coded form.
- the reading surface 32 of the data carrier 28 consists of an infrared-transparent material. Behind the reading surface are - corresponding to the digital signals "0" and "1" - materials that reflect the infrared light or not.
- the read head of the associated data collector consists of an infrared source with a receiver for the reflected infrared light.
- the characteristic data of a control point can be read serially in a simple manner and stored in a memory.
- the microprocessor 52 In conjunction with the microprocessor 52, a wealth of possible applications and variants is then advantageously obtained, which make the control system particularly safe.
- an "immediate" log printout is also possible via a control tour, whereby this log printout can be designed as required using appropriate software. It has already been mentioned above that by moving the sensor 26 or the data collector 10 along the inclined surface 34 of the data carrier 28, the timer 62 can be switched on, which switches the data collector 10 on for a selectable period of time.
- a further advantageous aspect of the invention should be pointed out, which consists in that, instead of the protected connector strip 46 with the contacts 50 (cf. FIG. 7), a contactless and contactless remote feed device and several contactless data transmission links can be provided. This makes it possible, for example, when using a rechargeable battery, to carry out inductive charging.
- the data transmission link can be inductive as well as optical.
- the data collector 10 can be designed as a black box, so to speak, which no longer has any external control elements. This ensures a very high level of security against manipulation, since the operation and use is completely without contacts. In this case, the application of an emergency button to send an emergency call is dispensed with.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
- Burglar Alarm Systems (AREA)
- Selective Calling Equipment (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Continuous Casting (AREA)
- Warehouses Or Storage Devices (AREA)
- Small-Scale Networks (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3420100A DE3420100C2 (en) | 1984-05-25 | 1984-05-25 | Control system with at least one fixed control point |
DE3420100 | 1984-05-25 | ||
PCT/DE1985/000176 WO1985005712A1 (en) | 1984-05-25 | 1985-05-21 | Control installation and method for checking control points in a surveillance installation |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0183738A1 true EP0183738A1 (en) | 1986-06-11 |
EP0183738B1 EP0183738B1 (en) | 1990-09-05 |
EP0183738B2 EP0183738B2 (en) | 1995-01-25 |
Family
ID=6237172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85902469A Expired - Lifetime EP0183738B2 (en) | 1984-05-25 | 1985-05-21 | Control installation and method for checking control points in a surveillance installation |
Country Status (9)
Country | Link |
---|---|
US (1) | US4801786A (en) |
EP (1) | EP0183738B2 (en) |
JP (1) | JPS61502291A (en) |
AT (1) | ATE56296T1 (en) |
DE (2) | DE3420100C2 (en) |
DK (1) | DK165893C (en) |
FI (1) | FI86113C (en) |
WO (1) | WO1985005712A1 (en) |
ZA (1) | ZA853998B (en) |
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-
1984
- 1984-05-25 DE DE3420100A patent/DE3420100C2/en not_active Expired
-
1985
- 1985-05-21 DE DE8585902469T patent/DE3579567D1/en not_active Expired - Fee Related
- 1985-05-21 EP EP85902469A patent/EP0183738B2/en not_active Expired - Lifetime
- 1985-05-21 JP JP60502413A patent/JPS61502291A/en active Pending
- 1985-05-21 AT AT85902469T patent/ATE56296T1/en active
- 1985-05-21 WO PCT/DE1985/000176 patent/WO1985005712A1/en active IP Right Grant
- 1985-05-21 US US06/836,165 patent/US4801786A/en not_active Expired - Lifetime
- 1985-05-27 ZA ZA853998A patent/ZA853998B/en unknown
-
1986
- 1986-01-16 DK DK019486A patent/DK165893C/en not_active IP Right Cessation
- 1986-01-24 FI FI860355A patent/FI86113C/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO8505712A1 * |
Also Published As
Publication number | Publication date |
---|---|
DK19486A (en) | 1986-01-16 |
ZA853998B (en) | 1986-01-29 |
DE3420100A1 (en) | 1985-11-28 |
DE3579567D1 (en) | 1990-10-11 |
DE3420100C2 (en) | 1986-05-07 |
DK165893B (en) | 1993-02-01 |
DK165893C (en) | 1993-06-28 |
JPS61502291A (en) | 1986-10-09 |
FI860355A (en) | 1986-01-24 |
US4801786A (en) | 1989-01-31 |
FI86113C (en) | 1992-07-10 |
DK19486D0 (en) | 1986-01-16 |
EP0183738B1 (en) | 1990-09-05 |
ATE56296T1 (en) | 1990-09-15 |
FI860355A0 (en) | 1986-01-24 |
EP0183738B2 (en) | 1995-01-25 |
FI86113B (en) | 1992-03-31 |
WO1985005712A1 (en) | 1985-12-19 |
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