US883335A - Electric theft-alarm system. - Google Patents
Electric theft-alarm system. Download PDFInfo
- Publication number
- US883335A US883335A US39465207A US1907394652A US883335A US 883335 A US883335 A US 883335A US 39465207 A US39465207 A US 39465207A US 1907394652 A US1907394652 A US 1907394652A US 883335 A US883335 A US 883335A
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- Prior art keywords
- circuit
- loop
- main
- alarm
- loops
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
- G08B13/1445—Mechanical actuation by lifting or attempted removal of hand-portable articles with detection of interference with a cable tethering an article, e.g. alarm activated by detecting detachment of article, breaking or stretching of cable
Definitions
- My invention relates to improvements in electric theft alarm system adapted to be used in connection with goods displayed in shops and warehouses, its object being to provide improved means for preventin the removal of the goods without causing a arm to be sounded, and also to provide means for indicating the place of theft.
- Figure 1 is a perspective view showing the application of the invention to a variety of goods displayed;
- Fig. 2 is a vertical section through the bar which supports the electric connections for the wire loops;
- Fig. 3 is a diagrammatic view of the electric Wiring, batteries and alarm devices;
- Fig. 4 is a sectional view showing a modified form of 100 and loop connections, and
- Fig. 5 is a deta' in section of the same form showing the terminals of the loop wires se arated.
- he apparatus is articularly designed for use in large establishments where the goods are displayed in ditferent parts of the house and in places remote from the main office. In such establishments it is important, not only that the attempted theft should be announced at the main office or some other central station, but that the lace of theft should be indicated. ,It is aso important that the wires should be so connected with the goods as to enable the salesmen to display the same without disturbing the electrical connections; that the salesmen should be able on occasion to cut off the current so as to be able entirely to remove the goods without operating the alarm; and that the electric connections should at all times be under the control of the main office or other central station.
- a wire loo is passed through the article dis layed an its ends are electrically connecte with an elec' tric alarm 'and annunciator system.
- the loop is so constructed and connected that it may be opened or separated to allow the 'wire or wires to be passed through or removed from the displayed article,.but when the loop is so opened or separated, the electric circuit will be broken.
- Figs. 1 and 2 are shown a number of insulated wire loops A, each assed through some article or group of artic es displayed, for instance, the cloak B.
- the loop terminates at each end in a contact plug 2, and above the plug the wire is protected by means of a metal sheath or ferrule 3.
- the plugs 2 are adapted to fit into a air of sockets 4 and 5 insulated from each ot er and embedded in a supporting bar C, but only one plug of each pair need be removable.
- the bar may be sup orted upon any suitable fixture or object.
- the loops A and the main line wires 7 are arranged in circuit with the main battery D.
- a shunt circuit 9 in which are arranged two switches 10 and 11, situated, respectively, in the room or upon the floor where the goods are displa ed, and at the main office.
- switches 10 and 11 are arranged, respectively, in the room or upon the floor where the goods are displa ed, and at the main office.
- an electromagnet 12 At a convenient point between the main battery I) and the shunt wires 9 there is interposed in the main circuit an electromagnet 12.
- This magnet has an armature 13 which is arranged to engage a back contact 14 when it is released from the magnet by the breaking of the main circuit.
- the contact 14 is arranged in an auxiliary annunciator circuit 15 leading from the armature over an annunciator magnet 16.
- This magnet has an armature 17 formed with a bent arm 18 adapted, when the circuit 15 is closed, to be thrown against a back contact 19, so as to expose a number or other symbol indicating the loop or loops A as the ones whose circuit has been broken.
- no annunciator is necessary where only one loop is used, or where the 100 s are grouped together near each other.
- he back contact 19 is arranged in an alarm circuit 20 leading from the ar. mature 17 toa buzzer or bell 21 at the main office or other central station. This circuit will be closed through the battery 22 whenever the arm 18 is thrown against the contact 19.
- a separate branch main wire such as 7*, must be led from the main circuit to each group.
- each branch circuit is a shunt circuit 9 with switches 10 and 11, an electro-magnet 12 having armature 13 and back contact 14, and the back contact is arranged in circuit with an annunciator 16, similar in all respects to the annunciator 16, and having a back contact 19 in circuit with the buzzer 21.
- the annunciators are all arranged in the circuit 15 with battery 22.
- Figs. 4 and 5 are shown a modified form of loo consisting of two wires 23 and 24 electrical y and detachably connected at their ends by suitable means such as the plug 25 at theend of one wire and spring socket 26 at the end of the other wire.
- the wires may be integral, or permanently connected, with the main line wires 7 or with the conductor 27 leading to the next adjacent 1001p, as shown in Fig. 4.
- the sockets 4 and 5 are embedded in the interior of the bar so as not to extend to the outer periphery thereof, and they are reached from the outside through a registering hole 28 in the bar. This makes it impossible for one tampering with the goods to short circuit the loops near the bar.
- the socket 26 is arranged within a projecting rubber sheath or tube 29.
- the loop In use the loop is first separated, either by pulling one of the plugs 2 out of its socket, as in Fig. 1, or by disconnecting the plug 25 from the socket 26 in Fig. 4. The free end of the wire is then threaded through th'artfcle to be displayed and connected with the socket or the other joint-member, as the case may be. If the article is a coat, it may be placed upon a coat hanger 30 and hung upon t 16b!!! C, when that is supported in he manner shown in Fig. 1. 'hen the main circuit is closed through the loops, and either one of the switches 10 or 11 is 0 )en, an article can not be removed from its loop without separating the loop and thereby breaking the circuit.
- the combination with an electric cir cuit and an alarm device controlled thereby, of a plurality of separable loops arranged 1n the circuit, each loo being adapted, when separated, to break tlie circuit and cause the alarm to be operated, the loops being of a size sufficient to be passed through articles of merchandise.
- a main circuit and an alarm device controlled thereby, a socket electrically connected with one side of the circuit, and a loop electrically connected with the other side of the circuit and havin at one end a plug adapted to be remova ly engaged with the socket to close the circuit through the loop, the loop being adapted to be passed through an article to be displayed.
- a main circuit and an alarm device controlled thereby, a supporting bar having a hole, a socket embedded in the interior of the bar in registration with said hole and electrically connected with one side of the circuit, and a loop ,electricall connected with the other side of the circuit 20 JOHN J. OCONNOR.
Description
PATENTED MAR. 31, 1908.
J. J. oconuoa. ELECTRIC THEFT ALARM SYSTEM;
APPLIUATION FILED SEPT. 26, 1907.
. 3 SHEETS-SHEET 1.
fw j .l
a F El No. 883,335. PATENTED MAR. 31', 190B.
. J. J. ocomroa.
ELECTRIC THEFT ALARM SYSTEM.
APPLICATION FILED BEPT.26, 1907.
3 SHEETS-SHEET 2.
0 W J Ill No. 883,335. PATBNTED MAR. 31, 1908.
J. J. CCON'NOR. ELECTRIC THEFT ALARM SYSTEM.
APPLICATION FILED SEPT. 26, 1907.
3 SHEETS-SHEET 3.
{9.0 4. 906%, .MM Jaz'mm.
JOHN J. OCONNOR, OF ST. PAUL, MINNESOTA.
ELECTRIC THEFT-ALARM SYSTEM.
Specification of Letters Patent.
Patented March 31, 1908.
Application filed September 26, 1907. Serial No. 394,652.
To all whom it may concern:
Be it known that I, JonN'J. OCONNOR, a citizen of the United States, residing at St. Paul, in the county of Ramsey and State of Minnesota, have invented certain new and useful Improvements in Electric Theft+ Alarm Systems, of which the following is a specification.
My invention relates to improvements in electric theft alarm system adapted to be used in connection with goods displayed in shops and warehouses, its object being to provide improved means for preventin the removal of the goods without causing a arm to be sounded, and also to provide means for indicating the place of theft.
To this end the invention consists in the construction, combination and arrangement of arts hereinafter described and claimed.
n the accom anying drawings forming part of this specification, Figure 1 is a perspective view showing the application of the invention to a variety of goods displayed; Fig. 2 is a vertical section through the bar which supports the electric connections for the wire loops; Fig. 3 is a diagrammatic view of the electric Wiring, batteries and alarm devices; Fig. 4 is a sectional view showing a modified form of 100 and loop connections, and Fig. 5 is a deta' in section of the same form showing the terminals of the loop wires se arated.
he apparatus is articularly designed for use in large establishments where the goods are displayed in ditferent parts of the house and in places remote from the main office. In such establishments it is important, not only that the attempted theft should be announced at the main office or some other central station, but that the lace of theft should be indicated. ,It is aso important that the wires should be so connected with the goods as to enable the salesmen to display the same without disturbing the electrical connections; that the salesmen should be able on occasion to cut off the current so as to be able entirely to remove the goods without operating the alarm; and that the electric connections should at all times be under the control of the main office or other central station. To this end a wire loo is passed through the article dis layed an its ends are electrically connecte with an elec' tric alarm 'and annunciator system. The loop is so constructed and connected that it may be opened or separated to allow the 'wire or wires to be passed through or removed from the displayed article,.but when the loop is so opened or separated, the electric circuit will be broken.
In the preferred form illustrated in Figs. 1 and 2 are shown a number of insulated wire loops A, each assed through some article or group of artic es displayed, for instance, the cloak B. The loop terminates at each end in a contact plug 2, and above the plug the wire is protected by means of a metal sheath or ferrule 3. The plugs 2 are adapted to fit into a air of sockets 4 and 5 insulated from each ot er and embedded in a supporting bar C, but only one plug of each pair need be removable. The bar may be sup orted upon any suitable fixture or object. n Fig. 1 it is shown su ported upon brackets 6 secured to the wall of the room, so that the bar will serve also as a display rack upon which to hang such articles as the cloak B. It will be seen that there must be a pair of sockets for each wire loop, and the sockets of each air are electricallyconnected with the main ine wires 7, either directly as in case of the end sockets in Figs. 1 and 2, or through the medium of other sockets. Where, as inthe arrangement shown in Fig. 1, a number of pairs of loops are grouped together, the loops and sockets are most conveniently connected in series. As shown in Fig. 2 the main line wires 7 aredirectly connected with the first socket 4 of the first pair and the last socket 5 of the last pair; and the last socket 5 of each air except the last is connected with the First socket 4 of the next succeeding pair by means of an insulated conductor 8.
The loops A and the main line wires 7 are arranged in circuit with the main battery D. Bridged across the main line wires between the loops and the battery is a shunt circuit 9, in which are arranged two switches 10 and 11, situated, respectively, in the room or upon the floor where the goods are displa ed, and at the main office. As both of. t ese switches must be closed at the same time to shunt the circuit off from the loops, the salesman upon the fioor who has control over the switch 10 cannot out the loops out of the circuit without the cooperation of the main office. Thus the circuit will at all times be under the control of the office. When both switches are closed any loop may be opened or separated to remove the goods without 0 crating the alarm by pulling out one of its p ugs' 2.
At a convenient point between the main battery I) and the shunt wires 9 there is interposed in the main circuit an electromagnet 12. This magnet has an armature 13 which is arranged to engage a back contact 14 when it is released from the magnet by the breaking of the main circuit. The contact 14 is arranged in an auxiliary annunciator circuit 15 leading from the armature over an annunciator magnet 16. This magnet has an armature 17 formed with a bent arm 18 adapted, when the circuit 15 is closed, to be thrown against a back contact 19, so as to expose a number or other symbol indicating the loop or loops A as the ones whose circuit has been broken. Of course, no annunciator is necessary where only one loop is used, or where the 100 s are grouped together near each other. he back contact 19 is arranged in an alarm circuit 20 leading from the ar. mature 17 toa buzzer or bell 21 at the main office or other central station. This circuit will be closed through the battery 22 whenever the arm 18 is thrown against the contact 19. Where it is desired to use the system in connection with goods placed in different rooms or at places remote from one another, a separate branch main wire, such as 7*, must be led from the main circuit to each group. In each branch circuit is a shunt circuit 9 with switches 10 and 11, an electro-magnet 12 having armature 13 and back contact 14, and the back contact is arranged in circuit with an annunciator 16, similar in all respects to the annunciator 16, and having a back contact 19 in circuit with the buzzer 21. The annunciators are all arranged in the circuit 15 with battery 22.
In Figs. 4 and 5 are shown a modified form of loo consisting of two wires 23 and 24 electrical y and detachably connected at their ends by suitable means such as the plug 25 at theend of one wire and spring socket 26 at the end of the other wire. In this case the wires may be integral, or permanently connected, with the main line wires 7 or with the conductor 27 leading to the next adjacent 1001p, as shown in Fig. 4.
n orderto insure the complete breaking of the circuit before the plugs 2 can be withdrawn from the supporting bar, the sockets 4 and 5 are embedded in the interior of the bar so as not to extend to the outer periphery thereof, and they are reached from the outside through a registering hole 28 in the bar. This makes it impossible for one tampering with the goods to short circuit the loops near the bar. Likewise in the form shown in Figs. 4 and 5 the socket 26 is arranged within a projecting rubber sheath or tube 29.
In use the loop is first separated, either by pulling one of the plugs 2 out of its socket, as in Fig. 1, or by disconnecting the plug 25 from the socket 26 in Fig. 4. The free end of the wire is then threaded through th'artfcle to be displayed and connected with the socket or the other joint-member, as the case may be. If the article is a coat, it may be placed upon a coat hanger 30 and hung upon t 16b!!! C, when that is supported in he manner shown in Fig. 1. 'hen the main circuit is closed through the loops, and either one of the switches 10 or 11 is 0 )en, an article can not be removed from its loop without separating the loop and thereby breaking the circuit. The moment the circuit is broken the annunciator connected with that 100 or grou of loops, will be operated to indicate which loo or group of loops have been tampered with, and at the same time the buzzer or bell 21 at the main ofiice will sound an alarm.
When the salesman wishes to replace or remove articles without sounding an alarm he can signal the main ofiice to close the office switch 11 and then close his own switch 10. The circuit will then be shunted off from th( loops so as'to throwthem out of circuit.
Various modifications may be made in the details of the device without departing from the principle of the invention, the scope of which is defined in the claims.
I claim as my invention:
1. In an alarm system of the class described, the combination, with an electric circuit and an alarm device controlled thereby, of a separable loop arranged in the circuit and adapted, when separated, to be passed through articles of merchandise.
2.=-In an alarm system of the class described, the combination, with an electric circuit and an alarm device controlled thereby, of a separable loop arranged in the circuit and adapted, when separated, to actuate the alarm through the breaking of the circuit.
3. In an alarm system of the class described, the combination, with an electric cir cuit and an alarm device controlled thereby, of a plurality of separable loops arranged 1n the circuit, each loo being adapted, when separated, to break tlie circuit and cause the alarm to be operated, the loops being of a size sufficient to be passed through articles of merchandise.
4. In an electric alarm system the combination, with a main circuit and an alarm device controlled thereby, of a separable loop arranged in said circuit and ada ted to be passed through articles to be disp ayed, and a shunt circuit for cutting the loop out of the main circuit so as to permit the loop to be separated without operating the alarm device.
5. In an electric alarm system the combination, with "a main circuit. and-an alarm device controlled thereby, of a separable loop arranged in the circuit and adapted to be passed through articles to-be displayed, a
shunt circuit bridged across the main circuit.
between the loop and the source of electric supply, and a switch arranged at a convenient point in the shunt circuit for opening and closing the same for the purpose set forth.
6. In combination, a main circuit and an alarm device controlled thereby, a socket electrically connected with one side of the circuit, and a loop electrically connected with the other side of the circuit and havin at one end a plug adapted to be remova ly engaged with the socket to close the circuit through the loop, the loop being adapted to be passed through an article to be displayed. 7. In combination, a main circuit and an alarm device controlled thereby, a supporting bar having a hole, a socket embedded in the interior of the bar in registration with said hole and electrically connected with one side of the circuit, and a loop ,electricall connected with the other side of the circuit 20 JOHN J. OCONNOR.
Witnesses:
J. N. MOUNTS, R. A. WRIGHT
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39465207A US883335A (en) | 1907-09-26 | 1907-09-26 | Electric theft-alarm system. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39465207A US883335A (en) | 1907-09-26 | 1907-09-26 | Electric theft-alarm system. |
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US883335A true US883335A (en) | 1908-03-31 |
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US39465207A Expired - Lifetime US883335A (en) | 1907-09-26 | 1907-09-26 | Electric theft-alarm system. |
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Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2510115A (en) * | 1947-03-17 | 1950-06-06 | Jakosky Milton | Aircraft safety belt |
US2913712A (en) * | 1957-07-03 | 1959-11-17 | Katherine L Lee | Anti-shoplifting alarm device |
US3253270A (en) * | 1963-08-02 | 1966-05-24 | Downer Frank | Theft alarm for shoplift prevention |
US3382494A (en) * | 1965-06-11 | 1968-05-07 | David R. Mahacsek | Theft alarm for electrical device |
US3444547A (en) * | 1965-10-08 | 1969-05-13 | Gefco Mfg Corp | Anti-shoplifting device |
US3898641A (en) * | 1971-12-23 | 1975-08-05 | Philip M Banner | Security rope alarm means |
US3938124A (en) * | 1971-07-06 | 1976-02-10 | Salient Electronics, Inc. | Alarm system sensing device |
US4069919A (en) * | 1976-10-08 | 1978-01-24 | Fernbaugh Francis W | Security system for merchandise display |
US5200735A (en) * | 1989-07-11 | 1993-04-06 | Hines Thomas N | Weather protected portable security system for in-field use |
US5617073A (en) * | 1996-01-05 | 1997-04-01 | Minatronics Corporation | Method and apparatus for linking an object with a slot to a cable |
US6621415B1 (en) | 2001-08-14 | 2003-09-16 | Stanley D. Willis | Security alarm system component for securing moveable objects |
US7053774B2 (en) | 2003-09-12 | 2006-05-30 | Alpha Security Products, Inc. | Alarming merchandise display system |
US20060170549A1 (en) * | 2005-01-14 | 2006-08-03 | Alpha Security Products, Inc. | Portable alarming security device |
US9339125B1 (en) | 2015-04-01 | 2016-05-17 | Target Brands, Inc. | Display fixture with tether and cross bar |
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US9892604B2 (en) | 2016-04-15 | 2018-02-13 | Mobile Tech, Inc. | Gateway-based anti-theft security system and method |
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- 1907-09-26 US US39465207A patent/US883335A/en not_active Expired - Lifetime
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US2510115A (en) * | 1947-03-17 | 1950-06-06 | Jakosky Milton | Aircraft safety belt |
US2913712A (en) * | 1957-07-03 | 1959-11-17 | Katherine L Lee | Anti-shoplifting alarm device |
US3253270A (en) * | 1963-08-02 | 1966-05-24 | Downer Frank | Theft alarm for shoplift prevention |
US3382494A (en) * | 1965-06-11 | 1968-05-07 | David R. Mahacsek | Theft alarm for electrical device |
US3444547A (en) * | 1965-10-08 | 1969-05-13 | Gefco Mfg Corp | Anti-shoplifting device |
US3938124A (en) * | 1971-07-06 | 1976-02-10 | Salient Electronics, Inc. | Alarm system sensing device |
US3898641A (en) * | 1971-12-23 | 1975-08-05 | Philip M Banner | Security rope alarm means |
US4069919A (en) * | 1976-10-08 | 1978-01-24 | Fernbaugh Francis W | Security system for merchandise display |
US5200735A (en) * | 1989-07-11 | 1993-04-06 | Hines Thomas N | Weather protected portable security system for in-field use |
US5617073A (en) * | 1996-01-05 | 1997-04-01 | Minatronics Corporation | Method and apparatus for linking an object with a slot to a cable |
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