Author: claimsbot

1. An RF disturbance detection system, comprising:
an RF interrogator configured to transmit an RF interrogation signal; and
a plurality of RF transceiver modules configured to respond to the RF interrogation signal by transmitting unique RF response signals, wherein the RF interrogator is further configured to periodically interrogate the RF transceiver modules to detect the power of the corresponding response signals so as to detect any changes in the response signal powers over time.
2. The RF disturbance detection system of claim 1, wherein the RF interrogator comprises an RF reader and wherein the RF transceiver modules comprise RFID tags.
3. The RF disturbance detection system of claim 2, wherein the RFID tags are passive RFID tags.
4. The RF disturbance detection system of claim 2, wherein the RFID tags are active RFID tags.
5. The RF disturbance detection system of claim 1, wherein the transceiver modules are distributed across a ground surface.
6. The RF disturbance detection system of claim 1, wherein the RF interrogator is a wireless access point and the RF transceiver modules are wireless client devices.
7. A method of detecting disturbances, comprising:
distributing a plurality of RF transceiver modules in a monitored area, wherein each RF transceiver module is configured to transmit a unique response signal in response to an interrogation;
interrogating the plurality of RF transceiver modules at a first time;
receiving the unique response signals at a reception point to determine power levels for the received response signals at the first time;
interrogating the plurality of RF transceiver modules at a subsequent second time;
receiving the unique response signals at the reception point to determine power levels for the received response signals at the second time; and
comparing the power levels from the first and second times to detect a presence of an RF disturbance in the monitored area.
8. The method of claim 7, wherein comparing the power levels comprises comparing signal-to-noise ratios (SNRs).
9. The method of claim 7, further comprising continuing to monitor power levels times subsequent to the second time.
10. The method of claim 7, wherein distributing the RF transceiver modules comprises placing the RF transceiver modules on a ground surface.
11. The method of claim 7, wherein the RF disturbance results from a buried object.
12. The method of claim 11, wherein the buried object is an improvised explosive device (IED).

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A method of manufacturing razor blades from a strip material having an upper surface and a lower surface, comprising
(a) offsetting a first lengthwise-extending portion of only one of the surfaces from a second lengthwise-extending portion of the same surface,
(b) flattening the first lengthwise-extending surface portion and the second lengthwise-extending surface portion to remove at least 50% of the offset;
(c) separating the first lengthwise-extending surface portion from the second lengthwise-extending surface portion;
(d) sharpening a lengthwise-extending edge on the separated first lengthwise-extending portion of the strip material at said offset.
2. The method of claim 1, wherein during step (a) the first lengthwise-extending surface portion is offset from the second lengthwise-extending surface portion by at least 10% of the thickness of the strip material.
3. The method of claim 1, wherein during step (a) the first lengthwise-extending surface portion is offset from the second lengthwise-extending surface portion by at least 20% of the thickness of the strip material.
4. The method of claim 1, wherein during step (b) at least 75% of the offset is removed.
5. The method of claim 1, wherein during step (b) at least 90% of the offset is removed.
6. The method of claim 3, wherein during step (b) at least 95% of the offset is removed.
7. The method of claim 1, wherein sharpening a lengthwise-extending edge occurs after step (b) and before step (c), the method further comprising
(e) separating the first lengthwise-extending strip portion into razor blade length sections, each razor blade length section including part of the first lengthwise-extending surface portion and part of the second lengthwise-extending surface portion,
wherein step (c) comprises separating the first lengthwise-extending strip portion from the second lengthwise-extending strip portion on the razor blade length sections to provide the razor blades.
8. The method of claim 7, further comprising attaching the razor blade length sections to a razor housing prior to step (c).
9. The method of claim 7, further comprising attaching the razor blades to blade support members of a razor housing after step (d).
10. The method of claim 1, wherein the first lengthwise-extending surface portion and the second lengthwise-extending surface portion are of approximately equal width.
11. The method of claim 10, wherein a lengthwise-extending edge of the first lengthwise-extending strip portion and a lengthwise-extending edge of the second lengthwise-extending strip portion are sharpened.
12. The method of claim 1, wherein strip material is a metal.

1. A mounting apparatus for a storage device, the storage device comprising two opposite sidewalls, each of the sidewalls defining two fixing holes, and one of the sidewalls defining a threaded hole, the mounting apparatus comprising:
a frame comprising opposite first and second fixing arms, and an end arm connected between the first and second fixing arms, wherein the second fixing arm is pivotably connected to the end arm, two pins protrude from an inner side of each of the first and second fixing arms, for engaging in the fixing holes of a corresponding sidewall of the storage device, a through hole is defined in the second fixing arm aligning with the threaded hole of the storage device;
a resilient grounding piece made of conducting material fixed to an outer side of the second fixing arm, and comprising a resilient arm bending away from the second fixing arm; and
a fastener made of conducting material fixed to an inside surface of the resilient grounding piece, the fastener comprising an engaging portion, the fastener pressed by the resilient grounding piece to allow the engaging portion to extend through the through hole of the second fixing arm and insert into the threaded hole of the storage device, a circumference of the engaging portion adequately contacting a threaded portion of the threaded hole of the storage device.
2. The mounting apparatus of claim 1, wherein the frame is made of plastic material.
3. The mounting apparatus of claim 2, wherein the resilient grounding piece further comprises a main body, the main body is fixed to the outer side of the second fixing arm, the fastener is fixed to an inside surface of the main body, the resilient arm extends outwardly from an edge of the main body.
4. The mounting apparatus of claim 3, wherein a bore is defined in the main body, the fastener is fixed to the main body adjacent to the bore, a mounting hole is defined in the second fixing arm adjacent to the through hole, a fixing device extends through the bore of the main body of the resilient grounding piece and engages in the mounting hole of the second fixing arm, to fix the resilient grounding piece to the second fixing arm.
5. The mounting apparatus of claim 3, wherein a slot is defined in the main body along the extending direction of the resilient arm, with an end of the slot extending through the edge of the main body adjacent to the resilient arm.
6. The mounting apparatus of claim 1, wherein a plurality of washers are fixed to the inner sides of the first and second fixing arms, adjacent to the pins and the through hole of the first and second fixing arms respectively.
7. A mounting apparatus for a storage device, the storage device comprising two opposite sidewalls, each of the sidewalls defining two fixing holes, and one of the sidewalls defining a threaded hole, the mounting apparatus comprising:
a frame comprising opposite first and second fixing arms, and an end arm connected between the first and second fixing arms, wherein the second fixing arm is pivotably connected to the end arm, two pins protrude from an inner side of each of the first and second fixing arms, for engaging in the fixing holes of a corresponding sidewall of the storage device, a through hole is defined in one of the first and second fixing arms aligning with the threaded hole of the storage device;
a resilient grounding piece made of conducting material, and comprising a main body fixed to an outer side of the second fixing arm, and a resilient arm bending away from said one of the first and second fixing arms; and
a fastener made of conducting material fixed to an inside surface of the main body of the resilient grounding piece, the fastener comprising an engaging portion, the fastener pressed by the resilient grounding piece to allow the engaging portion to extend through the through hole of said one of the first and second fixing arms and insert into the threaded hole of the storage device, a circumference of the engaging portion adequately contacting a threaded portion of the threaded hole of the storage device.
8. The mounting apparatus of claim 7, wherein the frame is made of plastic material.
9. The mounting apparatus of claim 7, wherein a bore is defined in the main body, the fastener is fixed to the inside surface of the main body adjacent to the bore, a mounting hole is defined in said one of the first and second fixing arms adjacent to the through hole, a fixing device extends through the bore of the main body of the resilient grounding piece and engages in the mounting hole of said one of the first and second fixing arms, to fix the resilient grounding piece to said one of the first and second fixing arms.
10. The mounting apparatus of claim 7, wherein a slot is defined in the main body along the extending direction of the resilient arm, with an end of the slot extending through an edge of the main body adjacent to the resilient arm.
11. The mounting apparatus of claim 7, wherein a plurality of washers are fixed to the inner sides of the first and second fixing arms, adjacent to the pins and the through hole of the first and second fixing arms respectively.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A routing device, connected to a fuse box that electrically distinguishes a plurality of powerline circuits that form an internal powerline network, said device configured to create data isolation between the plurality of powerline circuits to transmit a signal on selected ones of said plurality of powerline circuits.
2. The device of claim 1, said device further comprising a storage device for storing details of units connected to said powerline network.
3. The device of claim 2, further comprising a user interface for programming information into the storage device.
4. The device of claim 2, wherein said device is arranged to:
receive identifying information from each of the units when said units are switched on to said powerline network; and
identify a powerline circuit of the plurality of powerline circuits to which each of the units is connected.
5. An apparatus for routing signals on an internal powerline network, the apparatus comprising:
a routing device for transmitting a signal on selected ones of a plurality of powerline circuits forming said powerline network; and
a storage device for storing details of units connected to said powerline network and details of the powerline circuits to which the units are connected, wherein said routing device is arranged to periodically refresh said powerline network to determine the units connected to said powerline network.
6. A method for routing signals on an internal powerline network, said method comprising:
receiving a signal;
transmitting the received signal to selected ones of a plurality of powerline circuits forming said powerline network, such that data isolation is created among the plurality of powerline circuits;
storing details of each unit connected to said powerline network; and
connecting a routing device to a fuse box of said powerline network.
7. The method according to claim 6, further comprising
programming details of the units connected to said powerline network into a storage device.
8. The method according to claim 6, further comprising:
receiving identifying information from said units when said units are switched on to said powerline network; and
identifying a powerline circuit of the plurality of powerline circuits to which each of the units is connected.
9. A method of routing signals on an internal powerline network composed of a plurality of electrically distinct powerline circuits, comprising:
receiving a signal and transmitting said signal on selected ones of the plurality of powerline circuits;
storing details of units connected to said powerline network and details of the plurality of powerline circuits to which the units are connected; and
periodically refreshing said powerline network to determine the units connected to said powerline network.