Abstract: A method for modifying a wake threshold for a wake-on-radio (WOR) receiver including: setting the wake threshold at a first level, counting false crossings of the wake threshold, and optionally modifying the wake threshold level based, at least in part, on a result of the counting. A receiver in a wake-on-radio (WOR) system including a wake-on-radio unit configured to implement the method for modifying a wake threshold. A method for setting a transmit power level of a transmitter for a wake-on-radio (WOR) system transmitter including: setting the level at a low level, receiving reports of false crossings of a wake threshold from a WOR receiver, and counting false crossings reported by the WOR receiver, and optionally modifying the transmit power level based, at least in part, on a result of the counting. A transmitter in a wake-on-radio (WOR) system including a transmit power adapter configured to implement the above method. Related apparatus and methods are also described.

Abstract: A method of allocating channels in a PTMP (point-to-multi-point) system having a master and a plurality of nodes comprising the steps of: transmission by the master to the nodes of a synch beacon, the sync beacon having a first frequency and a substantially fixed time period between successive sync beacon transmissions; dividing the time period into a slotted time and an unslotted time; allocating a plurality of slots in the slotted time for RF activity of the nodes that have resolved the sync beacon; and identifying the unslotted time for unallocated RF activity of the nodes that have not resolved the sync beacon.

Abstract: A low power color image capturing system having a power source, the system comprising: a narrow bandwidth illuminator adapted to provide illumination having a peak intensity defining a narrow bandwidth; an image capturing device adapted to capture a raw image from an object illuminated by the narrow bandwidth illuminator; and a processor adapted to control the system and having an algorithm operatable upon the raw image to provide a modified image; wherein the modified image has enhanced color intensities over substantially all visible wavelengths.

Abstract: An energy-conserving triggered ID system, comprising: a reading assembly having a normally non-activated state and having a triggered subassembly configurable to activate the reading assembly; and a mobile assembly having no power source and having a triggering subassembly configurable to activate the triggered subassembly when the mobile assembly is located within a triggering range, wherein the reading assembly is operable to transfer power to the mobile assembly and wherein data transfer is effected between the mobile assembly and the reading assembly within a data transfer range.

Abstract: In a communication system with receipt acknowledgements, a method for a receiving communication node to acknowledge receipt of a message from a sending communication node, including the receiving node embedding the acknowledgement in a message which the receiving node produces for a purpose which is more than just acknowledgement of receipt of the message, and the receiving node transmitting the message. A communication node including a message receiver for receiving messages, an acknowledgement generator for producing acknowledgements to at least some of the received messages, a message generator for producing messages for transmission, in which the receiving communication node embeds at least one of the acknowledgements in a message for transmission which the message generator produces for a purpose which is other than just acknowledgement.

Abstract: A method for modifying a wake threshold for a wake-on-radio (WOR) receiver including: setting the wake threshold at a first level, counting false crossings of the wake threshold, and optionally modifying the wake threshold level based, at least in part, on a result of the counting. A receiver in a wake-on-radio (WOR) system including a wake-on-radio unit configured to implement the method for modifying a wake threshold. A method for setting a transmit power level of a transmitter for a wake-on-radio (WOR) system transmitter including: setting the level at a low level, receiving reports of false crossings of a wake threshold from a WOR receiver, and counting false crossings reported by the WOR receiver, and optionally modifying the transmit power level based, at least in part, on a result of the counting. A transmitter in a wake-on-radio (WOR) system including a transmit power adapter configured to implement the above method. Related apparatus and methods are also described.

Abstract: A surface-mountable shock sensor configuration having substantially eliminated field calibration, comprising: a housing assembly; and a shock sensor replaceably mountable within the housing assembly, wherein the shock sensor configuration yields a repeatable shock response for a plurality of shock sensors, in response to shocks applied to a surface upon which the sensor configuration is mounted.

Abstract: A cylinder lock device including: a body housing having a bore, with a direction of elongation defining an axial direction for the device; a rotatable cylindrical plug in the bore, the plug having an axially extending key slot from at least one end of the plug; a plurality of driver pins configurable substantially perpendicular to the key slot and located within the body housing and substantially outside of the plug; a plurality of tumbler pins corresponding to and positionable substantially collinear with each one of the plurality of driver pins and substantially inside the plug, the tumbler pins displaceable by a key to bias the driver pins to enable rotation of the plug, the driver pins adapted to displace the respective tumbler pins; and a displacement mechanism being deployed within the body housing and adapted to displace the plurality of driver pins thereby selectively enabling rotation of the plug when no key is present in the slot.

Abstract: A method of graduated residual battery power utilization of a long-life battery in a battery-powered device, comprising the steps of: defining at least one residual power level for the battery;assigning progressively limited battery-powered device functionalities for each of the at least one power level; and enabling the battery-powered device to be operated according to the at least one residual power level and the respective limited functionalities so as to extend the life of the battery and to avoid a depleted battery condition.

Abstract: A low power color image capturing system having a power source, the system comprising: a narrow bandwidth illuminator adapted to provide illumination having a peak intensity defining a narrow bandwidth; an image capturing device adapted to capture a raw image from an object illuminated by the narrow bandwidth illuminator; and a processor adapted to control the system and having an algorithm operatable upon the raw image to provide a modified image; wherein the modified image has enhanced color intensities over substantially all visible wavelengths.

Abstract: A method of allocating channels in a PTMP (point-to-multi-point) system having a master and a plurality of nodes comprising the steps of: transmission by the master to the nodes of a synch beacon, the sync beacon having a first frequency and a substantially fixed time period between successive sync beacon transmissions; dividing the time period into a slotted time and an unslotted time; allocating a plurality of slots in the slotted time for RF activity of the nodes that have resolved the sync beacon; and identifying the unslotted time for unallocated RF activity of the nodes that have not resolved the sync beacon.

Abstract: A lock cylinder opening system comprising: a lock cylinder body housing with a direction of elongation defining an axial direction for the system, having a first and a second end, and having a first and a second axial bores; a rotatable first cylindrical plug in the first bore, the first plug having an axially extending key slot from the first end of the lock cylinder; a rotatable second cylindrical plug in the first bore, the second plug extending to the second end; a rotatable opening shaft in the second bore, the opening shaft extending at the first and second ends of the lock cylinder; and a selector unit positioned at the second end, having a mechanical connection with the second plug and receiving the opening shaft, the selector unit adapted to selectively enable and disable rotation of the second plug by rotation of the opening shaft.

Abstract: An energy-conserving triggered ID system, comprising: a reading assembly having a normally non-activated state and having a triggered subassembly configurable to activate the reading assembly; and a mobile assembly having no power source and having a triggering subassembly configurable to activate the triggered subassembly when the mobile assembly is located within a triggering range, wherein the reading assembly is operable to transfer power to the mobile assembly and wherein data transfer is effected between the mobile assembly and the reading assembly within a data transfer range.

Abstract: A cylinder lock device including: a body housing having a bore having a first end and a second end, with a direction of elongation defining an axial direction for the device; a rotatable cylindrical plug in the bore, the plug having an axially extending key slot from the first end; a plurality of tumbler pins deployed at least partially within the plug and displaceable by a key to enable rotation of the plug; and an opening mechanism comprising a shaft connected to a key emulator and wherein the key emulator is translatable into the key slot from within the body housing, the key emulator shaped to match and engage the plurality of tumbler pins, and adapted to displace the plurality of tumbler pins, thereby selectively enabling rotation of the plug.