GB2298300A - Security system for battery-powered equipment - Google Patents
Security system for battery-powered equipment Download PDFInfo
- Publication number
- GB2298300A GB2298300A GB9418918A GB9418918A GB2298300A GB 2298300 A GB2298300 A GB 2298300A GB 9418918 A GB9418918 A GB 9418918A GB 9418918 A GB9418918 A GB 9418918A GB 2298300 A GB2298300 A GB 2298300A
- Authority
- GB
- United Kingdom
- Prior art keywords
- battery
- security system
- power
- powered equipment
- requires
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
- B60R25/045—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor by limiting or cutting the electrical supply to the propulsion unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/1018—Alarm systems characterised by features related to the general power supply
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
In e.g. a vehicle, insertion of a master key at 27 stores a code from the key into a controller 36 in a battery casing 12 and causes the battery to be locked in place 43. Later insertion of the master key is required to unlock it. Insertion of a working key at 27 stores a code from this key into the controller 36 which recognises this code on subsequent insertion of the working key. The working key causes 39 the battery to supply power to its main output terminals 13,14. A tamper sensor 44 can give an alarm.
Description
A SECURITY SYSTEM FOR BATTERY-POWERED ELECTRICAL OR
ELECTRONIC EQUIPMENT
The present invention relates generally to a security system for battery-powered electrical or electronic equipment.
As used in this specification the term "equipment" will be understood to relate to any form of apparatus, device, system or installation which may be powered electrically from a battery. In particular this may include the electrical system on board a motor vehicle, portable electronic devices such as computers, or any other electrical or electronic circuits which may be supplied from a battery. The term "battery" will be understood to refer to any means for generating or storing electricity, and to include electrochemical cells, collections of such cells, voltaic cells or assemblies thereof, or electricity storage cells or assemblies of cells, the socalled rechargeable batteries. In its application to the electrical circuit of a motor vehicle the battery in question is most likely to be a lead-acid accumulator.
This example, however, is given without prejudice to the generality of the invention.
Increasing crime rates have made it ever more necessary to devise means by which valuable items may be protected from theft or mis-use. In particular, motor vehicles have been recently provided with ever more sophisticated means for disabling the motor, and many of these systems focus attention on the electrical or electronic system since it is possible to embed electronic and electrical systems within encapsulating resins to make them effectively inaccessible. Unlike mechanical security systems, electronic security systems cannot be overcome by force. One disadvantage, however, of electrical security systems is that they may be bypassed simply by connecting the load directly to the electrical supply (usually a battery) in order to make it operate.It is known to provide electronic security systems with means for transmitting coded signals along conductors in order to avoid the possibility of unauthorised energisation of electrical components, but even this may be circumvented if the unauthorised user is able to determine the code or replace it. Code-identification means operating by scanning a range of frequencies can be fitted to signal lines and, in certain circumstances, may be able to determine the required signal code.
The present invention seeks to provide a security system which will have a higher level of security without requiring significantly more sophisticated equipment by arranging for the electrical power source to be unavailable for delivering working power unless an authorised code signal is applied to it by means which minimise the risk of scanning being used to determine the code.
According to one aspect of the present invention a security system for battery-powered electrical or electronic equipment has control means operable to isolate at least one battery terminal from the battery's electrodes thereby rendering the battery inoperable, and to connect the said one terminal to the battery's electrodes in response to the application of an authorisation code signal to a signal input of the system.
In the system of the present invention, therefore, the transmission of a coded signal from the input to the control means can be effected in a secure manner such that detection of the code is virtually impossible.
In order to increase the level of security at least a part of the said control means may be encased within the battery casing so as to be entirely inaccessible.
alternatively the control means may be fitted under the battery and provided with tamper-sensing means so that it cannot be accessed except by lifting the battery, in which case the tamper sensing means will trigger to disconnect or isolate the said battery terminal from the battery's electrodes such that the battery will remain inactive.
The present invention finds particular utility in connection with the protection of the electrical system of a motor vehicle since the battery provided on board a motor vehicle is usually large and cumbersome, and cannot easily be replaced, especially in circumstances where the usual car thief operates, namely in the open where battery-exchange may be highly visible. Moreover additional security provisions can be provided, as will be described in more detail hereinbelow, to inhibit exchange of batteries or make such exchange ineffective.
In a preferred embodiment of the invention the signal input means comprise an authorisation code detector unit operable to provide the control means with an input signal indicating the detection of an authorised code to energise an actuator of the control means for connecting the battery's electrodes to the said terminal thereof.
In such an embodiment the actuator may be mechanically or electrically biased to isolate the terminals of the battery from the electrodes and operate only to make connection between them after the authorisation code has been received, and for a given time. Unless the authorisation code is repeated within the given time disconnection of the battery terminals takes place automatically.
In another embodiment the authorisation code detector circuit includes contacts closeable as part of the authorisation code generation procedure and open circuit otherwise, connected across the battery electrodes by a conductor including a high resistance within the battery casing. Clearly, since certain electronic components of the system must be located remotely from the battery, for example at a door or ignition lock or on the vehicle dash board where the coded input signal may be applied, it is necessary for these components to have a source of electricity available to them. In order to prevent the security system itself from draining the battery, therefore, the above-mentioned switch remains open circuit when the system is quiescent thereby draining no current from the battery.Upon initiation of the procedure for inputting an authorisation code, however, the switch is closed to apply electrical power to the authorisation code detection components of the system.
In a presently preferred embodiment suitable for use in motor vehicles the electrical contacts may form part of an ignition lock, closed open insertion of an ignition key prior to turning the key to release the mechanical components of the system in a conventional manner. the key may be provided with memory or storage means for storing a code which can be detected by a sensor at the lock. A typical sensor may be an inductive sensor operable to transmit a modulated carrier frequency signal to a decoder circuit the output from which is transmitted as a demodulated coded signal to the control unit encased in or concealed under the battery.
In a security system adapted for a motor vehicle battery, the battery casing may include means for locking the battery to a battery mounting bracket, lock actuator means within the casing being operable1 at least when the system is not supplied with an authorisation code signal to lock the battery to the mounting bracket.
The authorisation code may be stored in a transponder unit comprising a one time programmable device having an antenna coil which can be inductively linked to an antenna coil of a decoder circuit, which latter is operable to transmit an RF carrier signal and to detect a modulated, reradiated signal received from the transponder unit for decoding by a demodulating decoder unit connected to the said electronic control means.
The control unit may be so arranged as to recognise the first authorisation code detected by the sensor upon first power-up after installation as a master authorisation code and the next code detected as a working authorisation code for connection and disconnection of the said battery terminal. A user, upon first receiving the system, may then introduce the first key and the detector circuit operates to decode and store this code for future comparison. Thereafter the master key may be kept in a safe place for future use as will be described hereinafter.The second key, the authorisation code of which may be entirely unrelated to that of the first, is then introduced into the lock and the system decodes the reradiated modulated signal to determine the code stored in the one time programmable device and holds this for comparison purposes in every day locking and unlocking of the system.
For additional security there may be provided means for isolating both battery terminals from the electrodes of the battery.
The authorisation code detector unit may, in some embodiments, be connected to the said control unit by optical wave guides rather than electrical conductors.
The use of optical wave guides offers an additional level of security since even if it were possible to detect the coded signal and apply it to the controller, the necessity for doing this with optical wave guides would involve the ability to sever the guide and apply the code optically.
For additional security there may be further provided sensors for detecting anomalous conditions in associated elements or components, or in the surrounding environment. for example, in the example given above of the embodiment of the invention formed for protecting an electrical system of a motor vehicle, the additional sensors may be provided on the doors, bonnet, boot, fuel system and/or ignition system of the vehicle to provide an alarm indication if any of these should be forced or have signals applied to them other than the recognised control signals. Input to the system from any of these additional sensors is recognised by the controller and used to isolate the battery terminal from the electrodes even in the presence of an authorisation code.An alarm system may also be provided to issue an audible and/or a visible alarm indication in the event of an input signal being received from one of the said additional sensors.
One way in which an attempt may be made to circumvent the security system of the present invention may be to seek to apply a second battery across the electrical conductors normally connected to the battery terminals.
In order to overcome this the system of the present invention may include further sensors for detecting the application of a voltage above a given threshold across the electrical or electrical or electronic circuit, or at least a part thereof, to which the battery is connected, and operable in response to the detection of such an attempt to connect the external terminals of the battery to the internal electrodes thereof with reverse polarity.
By reversing the polarity of the original battery the effect of an additional battery may be at least substantially nullified or cancelled out (depending on the precise voltage of each battery. In the event of a difference existing the residual or resultant voltage difference across the conductors will be insufficient to supply normal power to the electrical circuit.
The battery casing may likewise be provided with one or more tamper sensors for detecting physical tampering with the terminal connections and/or the casing, such sensors operating to control disconnection of the battery terminals from the electrodes thereof when triggered, even in the presence of an authorisation code.
One embodiment of the present invention will now be more particularly described, by way of example, with reference to the accompanying drawing which is a block schematic diagram illustrating the security system of the present invention. Referring now to the drawing there is shown a battery generally indicated 11 housed in a battery casing 12 and having two external terminals or poles 13, 14 of conventional shape and dimensions. Connector clamps 15, 16 connect the poles 13, 14 to the power conductors 17,18 leading to the electrical system of a vehicle (not shown). The internal electrodes within the battery 11 are not illustrated, but may be substantially the same as a conventional battery.
The battery 11 has a connector 19 internally connected via a high resistance 20 to the electrodes within the battery, and externally connected, via a fuse 21, to a supply line 22 leading to a switch 23 of an ignition lock generally indicated 24. Only low power may be drawn from this connector, for example in the region of millivolts, so that no item requiring the full power of the battery can be operated from it.
The lock 24 has a lock opening 25 defining a passage into which a blade 26 of a key generally indicated 27 can be introduced. The tip of the blade 26 engages the switch 23 when the key 27 is fully inserted, thereby closing the contacts. The lock 24 may be otherwise conventionally provided with tumblers (not shown) allowing an authorised key to turn within the lock thereby closing other switches (not shown) for energising the electrical circuit of the vehicle connected to the conductors 17,18 but otherwise not shown since such circuit is entirely conventional.
Upon insertion of the key 27 into the lock 24 and closure of the contacts of the switch 23 power is supplied along a line 28 to a decoder circuit 29. The decoder 29 is connected via a conductor 30 to an RF antenna coil 31 and upon energisation by closure of the switch 23 the decoder 29 applies a high frequency carrier signal in the region of 125 KHz to the antenna coil 31.
The key 27 has a key body 32 in which is embedded a transponder 33 comprising a coil connected to a one time programmable device or OTP of the type sold as an ID tag by Nexus Limited. Other transponders may, of course, be utilised. The one time programmable device is an integrated circuit formed on a chip requiring very low power, and the inductive coupling between the coil of the transponder 33 and the antenna coil 31 at the resonant frequency at which the decoder 29 energises the antenna is sufficient to power the OTP chip which acts to vary its inductance in a manner determined by its initial programming so that it causes the coil to reradiate a modulated signal which is sensed by the antenna 31 and thereby the decoder 29. In the absence of the transponder 33, for example if the key 27 should not be the authorised key, the coil antenna 31 will merely radiate into the space surrounding the lock 24.
The decoder 29 may typically comprise a high and low pass filter connected to the input line 30, and supplying the inputs of a comparator the output from which, along a signal line 34, is therefore a demodulated signal representing the code stored in the OTP chip of the transponder 33. The signal line 34 leads to a connector 35 at the battery casing 12 and internally to an electronic central control unit 36 which is programmed, as will be described hereinafter in more detail, to recognise if the decoded signal arriving along line 34 is the authorisation code or some other code.If the authorisation code is received the controller issues a signal to an output line 37 leading to a drive circuit 38 which drives a relay 39 the contacts of which (not shown) close communication between the internal electrodes of the battery 11 and one or both of the external terminals 13,14 thereby allowing power from the battery to be applied to the conductors 17,18 and therefore energise the motor vehicle circuit.
The decoder 29 transmits the resonant carrier frequency to the coil antenna at all times whilst energised, so that the coded signal is continuously received at the central control unit 36 whilst the key 27 remains in the lock 24. When the key 27 is removed, however, not only does the decoder 29 no longer provide a signal to the central control unit 36, but also the switch 23 is opened thereby disconnecting power from the decoder 29 and the control unit 36 so that the driver 38 is no longer energised, the relay 39 closes and the terminals 13, 14 are disconnected from the internal electrodes of the battery 11.
The programme resident in the central control unit 36 acts in the following manner. Upon manufacture the central control unit 36 is provided with no stored codes and has no pre-programmed relationship with any authorisation codes or keys. this provides the manufacturer with the greatest flexibility and security.
The user is provided with two keys bearing different codes, and the manufacturer of the OTP chips can provide chips having a very large number of unique codes so that no two keys produced ever have the same identity code.
Either of the two keys supplied to the user may be introduced into the lock opening 25 first, and upon doing so the code transmitted by the decoder 29 is recognised by the control unit 36 and stored as a "master" authorisation code. Upon the arrival of this code the central control unit also issues a signal on line 40 to a driver circuit 41 which energises a motor 42 to control a lock bolt of a lock 43 which is displaced to lock the battery 11 in place on a battery mounting bracket (not shown) . The motor 42 and lock 43 may be concealed between the battery 11 and the mounting bracket such that it cannot be accessed from the outside, and the lock can only be released via the controller 36 upon recognition of the next insertion of the master key. The user may then place the master key in a safe place as a reserve for future use.The second key is then introduced into the lock opening 25 and the signal generated by its OTP chip, decoded by the decoder unit 29, is recognised by the central control unit 36 as the "working" authorisation code, and therefore issues a signal on line 37 to the driver 38 to energise the relay 39 and connect the internal electrodes (not shown) of the battery 11 to the external terminals 13,14. In this embodiment both terminals 13,14 are isolated from the electrodes by respective pairs of relay contacts, both energised by the relay 39. In other embodiments (not shown) only one terminal may be isolated from the electrodes.
The battery 11 is also provided with a tamper sensor 44 which may be, for example a motion sensor, magnetic read or other detector, connected by a line 45 to the central control unit 36 and to an alarm system 46 having two outputs to a visible indicator (which may be, for example, the vehicle lights) and an audible indicator 48 (which may be, for example, the vehicle horn).
Other sensors, fitted to the doors, bonnet, boot, fuel system, ignition system and any other part of the vehicle to detect tampering may be connected via lines 49 to the central control unit 36, and transmit to the central control unit 36 signals indicating any attempt at unauthorised entry thereby acting to disable the central control unit 36 even in the presence of an authorised code from a key 27, and providing an output on line 50 to the alarm unit 46.
Claims (12)
1. A security system for battery-powered equipment that is programmed to supply its own power to various plant, vehicles, equipment, machinery or devices that are made known to the battery via their Identification Codes, and the removal of the battery from the system that requires power is restrained by a locking mechanism that requires the correctly coded devices to be used in the normal way, and is supervised by an onboard controller that is pre-programmed to allow limited use of power according to the degree of authorisation agreed, and in which sensors are provided to ensure unauthorised use or forced entry of the battery or the system is detected and an alarm raised to deter anyone from removing the battery or system.
2. A security system for battery-powered equipment as claimed in 1, in which all enclosed power or part thereof is limited by an onboard controller in conjunction with the degree of authorisation programmed within.
3. A security system for battery-powered equipment as claimed in 1, in which unauthorised removal of the battery from a system is prevented by way of a locking mechanism with an electronic or mechanical key or combined device.
4. A security system for battery-powered equipment as claimed in 1, in which authorised codes are passed to and from a built-in controller via means of an RF and/or IR transmitter and receiver.
5. A security system for battery-powered equipment as claimed in 1, in which power is released to a system upon receipt of a correct code sequence received from a personal transmitter (transponder) such as a OTP ( One Time Programmable Identification Device) or a
Read/Write Device that is made known to the onboard battery controller.
6. A security system for battery-powered equipment as claimed in 1, in which a unique identification code is programmed into a memory device within the battery housing and is made known to the system that is designed to receive power.
7. A security system for battery-powered equipment as claimed in 1, in which part of the locking mechanism is firmly attached to the system that requires the battery power.
8. A security system for battery-powered equipment as claimed in 1, in which the locking mechanism firmly and securely fastens the battery housing to the system that requires battery power.
9. A security system for battery-powered equipment as claimed in 1, in which sensors are fitted to detect any unauthorised tampering of the battery and the system that requires the battery power.
10. A security system for battery-powered equipment as claimed in 1, in which an internal siren is energised at the onset of attempted unauthorised use, detected tampering or detected connection of a replacement battery.
11. A security system for battery-powered equipment as claimed in 1, in which power may be switched to an adjoining system via a coded wire harness.
12. A security system for battery-powered equipment as claimed in 1, in which electrically operated locks of doors or hatches associated with the system that requires power are opened and closed upon a correct authorised command received by the built-in controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9418918A GB2298300B (en) | 1994-09-20 | 1994-09-20 | A security system for battery-powered electrical or electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9418918A GB2298300B (en) | 1994-09-20 | 1994-09-20 | A security system for battery-powered electrical or electronic equipment |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB9418918D0 GB9418918D0 (en) | 1994-11-09 |
| GB2298300A true GB2298300A (en) | 1996-08-28 |
| GB2298300B GB2298300B (en) | 1998-08-26 |
Family
ID=10761609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9418918A Expired - Fee Related GB2298300B (en) | 1994-09-20 | 1994-09-20 | A security system for battery-powered electrical or electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2298300B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1721785A1 (en) * | 2005-05-12 | 2006-11-15 | Harman Becker Automotive Systems GmbH | Apparatus and method for remote control of an electronic device |
| DE102011017524A1 (en) * | 2011-04-26 | 2012-10-31 | Siemens Aktiengesellschaft | Arrangement for protecting battery of electric vehicle from theft, has computing unit transmits release signal to theft protection unit based on determined safety condition to release lock of battery |
| WO2012076374A3 (en) * | 2010-12-09 | 2012-11-22 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Security system and method for operating a security system |
| EP2737594A4 (en) * | 2011-07-26 | 2016-01-06 | Gogoro Inc | Apparatus, method and article for a power storage device compartment |
| US9275505B2 (en) | 2011-07-26 | 2016-03-01 | Gogoro Inc. | Apparatus, method and article for physical security of power storage devices in vehicles |
| US9908506B2 (en) | 2011-07-26 | 2018-03-06 | Gogoro Inc. | Apparatus, method and article for physical security of power storage devices in vehicles |
| WO2018127449A1 (en) * | 2017-01-06 | 2018-07-12 | Mystromer Ag | Protection system and method for electric bicycles |
| US10209090B2 (en) | 2011-07-26 | 2019-02-19 | Gogoro Inc. | Apparatus, method and article for authentication, security and control of power storage devices, such as batteries |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10960850B2 (en) | 2019-06-11 | 2021-03-30 | Caterpillar Inc. | Machine tamper detection |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4553127A (en) * | 1983-06-30 | 1985-11-12 | Issa Darrell E | Battery lock anti-theft system |
-
1994
- 1994-09-20 GB GB9418918A patent/GB2298300B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4553127A (en) * | 1983-06-30 | 1985-11-12 | Issa Darrell E | Battery lock anti-theft system |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1721785A1 (en) * | 2005-05-12 | 2006-11-15 | Harman Becker Automotive Systems GmbH | Apparatus and method for remote control of an electronic device |
| CN103260937B (en) * | 2010-12-09 | 2016-01-13 | 霍弗·霍斯贝克及弗斯特两合公司 | Safety system and the method for making safety system run |
| WO2012076374A3 (en) * | 2010-12-09 | 2012-11-22 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Security system and method for operating a security system |
| CN103260937A (en) * | 2010-12-09 | 2013-08-21 | 霍弗·霍斯贝克及弗斯特两合公司 | Security system and method for operating a security system |
| DE102011017524A1 (en) * | 2011-04-26 | 2012-10-31 | Siemens Aktiengesellschaft | Arrangement for protecting battery of electric vehicle from theft, has computing unit transmits release signal to theft protection unit based on determined safety condition to release lock of battery |
| US9275505B2 (en) | 2011-07-26 | 2016-03-01 | Gogoro Inc. | Apparatus, method and article for physical security of power storage devices in vehicles |
| EP2737594A4 (en) * | 2011-07-26 | 2016-01-06 | Gogoro Inc | Apparatus, method and article for a power storage device compartment |
| US9424697B2 (en) | 2011-07-26 | 2016-08-23 | Gogoro Inc. | Apparatus, method and article for a power storage device compartment |
| US9908506B2 (en) | 2011-07-26 | 2018-03-06 | Gogoro Inc. | Apparatus, method and article for physical security of power storage devices in vehicles |
| US10209090B2 (en) | 2011-07-26 | 2019-02-19 | Gogoro Inc. | Apparatus, method and article for authentication, security and control of power storage devices, such as batteries |
| US10573103B2 (en) | 2011-07-26 | 2020-02-25 | Gogoro Inc. | Apparatus, method and article for physical security of power storage devices in vehicles |
| US11139684B2 (en) | 2011-07-26 | 2021-10-05 | Gogoro Inc. | Apparatus, method and article for a power storage device compartment |
| WO2018127449A1 (en) * | 2017-01-06 | 2018-07-12 | Mystromer Ag | Protection system and method for electric bicycles |
| CH713344A1 (en) * | 2017-01-06 | 2018-07-13 | Mystromer Ag | Safety arrangement and method for electric bicycles. |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9418918D0 (en) | 1994-11-09 |
| GB2298300B (en) | 1998-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20040920 |