1. An RFID device comprising:
a booster antenna configured to extend the operational range of the RFID device;
an RF module comprising an integrated circuit and a set of one or more conductive traces, wherein at least one conductive trace of said set of one or more conductive traces comprising said RF module is adapted to electrically couple to a coupling region of the booster antenna when said set of one or more conductive traces comprising said RF module is located in a first position relative to the coupling region of the booster antenna; and
a switching mechanism configured to move the booster antenna to change the position of the booster antenna between the first position and a second position in which the coupling region of the booster antenna is not electrically coupled to said at least one conductive trace of said set of one or more conductive traces comprising said RF module,
wherein at least a portion of the booster antenna is adapted to at least partially shield the RF module when the coupling region of the booster antenna is located in the second position relative to said set of one or more conductive traces comprising said RF module.
2. The RFID device of claim 1, wherein the booster antenna comprises a conductive trace pattern disposed upon a substrate.
3. The RFID device of claim 1, wherein the integrated circuit is adapted to ohmically connect to said set of one or more conductive traces.
4. The RFID device of claim 1, wherein the integrated circuit is substantially coplanar with said set of one or more conductive traces.
5. The RFID device of claim 1, wherein said at least one conductive trace is adapted to capacitively couple to the coupling region of the booster antenna when the coupling region of the booster antenna is located in the first position relative to said set of one or more conductive traces comprising said RF module.
6. The RFID device of claim 1, wherein said at least one conductive trace is adapted to inductively couple to the coupling region of the booster antenna when the coupling region of the booster antenna is located in the first position relative to said set of one or more conductive traces comprising said RF module.
7. The RFID device of claim 1, wherein the switching mechanism comprises a slider.
8. The RFID device of claim 1 further comprising an indicator adapted to visually indicate the status of the RFID device.
9. The RFID device of claim 8 wherein the indicator is adapted to display a first color if the RFID device is active, and is further adapted to display a second color if the RFID device is inactive.
10. An RFID transponder, comprising:
a first substrate comprising a first conductive trace pattern, wherein at least a first portion of the first substrate is adapted to serve as an antenna for the RFID transponder;
a second substrate comprising an integrated circuit and a second conductive trace pattern, wherein at least a portion of the second conductive trace pattern is adapted to electrically couple with at least a second portion of the first conductive trace pattern when the first substrate is located in a first position relative to the second substrate; and
a switching mechanism configured to move the first substrate to switch the position of the first substrate between the first position and at least a second position in which the at least a first portion of the second conductive trace pattern is not electrically coupled with the at least a second portion of the first conductive trace pattern,
wherein at least a third portion of the first conductive trace pattern is adapted to at least partially shield the first substrate when the at least a second portion of the first conductive trace pattern is located in the second position relative to the at least a portion of the second conductive trace pattern comprising said second substrate.
11. The RFID transponder of claim 10, wherein the integrated circuit is adapted to ohmically connect to the second conductive trace pattern comprising the second substrate.
12. The RFID transponder of claim 10, wherein the integrated circuit and the second conductive trace pattern comprising the second substrate are substantially coplanar.
13. The RFID transponder of claim 10, wherein the first substrate and the second substrate are positioned upon separate planes.
14. The RFID transponder of claim 10, wherein said electrical coupling comprises capacitive coupling.
15. The RFID transponder of claim 10, wherein said electrical coupling comprises inductive coupling.
16. The RFID transponder of claim 10, wherein the switching mechanism is adapted to switch the position of the first substrate between a first position and at least a second position upon rotation of a substantially circular member.
17. The RFID transponder of claim 10, wherein the switching mechanism is adapted to switch the position of the first substrate between a first position and at least a second position upon rotation of a substantially triangular member.
18. The RFID transponder of claim 10, wherein the switching mechanism is adapted to switch the position of the first substrate between a first position and at least a second position upon activation of a lever.
19. The RFID transponder of claim 10, further comprising an indicator adapted to visually indicate the status of the RFID device.
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 composition useful as an adhesive or protective coating, said composition comprising from about 10-40% by weight of a hydrocarbon resin and from about 1-7% by weight of a rubber dispersed or dissolved in a solvent system, said hydrocarbon resin and rubber percentages by weight being based upon the total weight of the composition taken as 100% by weight, wherein said solvent system comprises at least about 95% by weight of a single solvent, said single solvent percentage by weight being based upon the total weight of the solvent system taken as 100% by weight.
2. The composition of claim 1, said composition being free of surfactant.
3. The composition of claim 1, said composition being free of dyes and chromophores.
4. The composition of claim 1, wherein said hydrocarbon resin comprises a terpene rosin.
5. The composition of claim 1, wherein said rubber comprises recurring monomers of ethylene and propylene.
6. A composition useful as an adhesive or protective coating, said composition comprising from about 10-40% by weight of a hydrocarbon resin and from about 1-7% by weight of a rubber dispersed or dissolved in a solvent system, said percentages by weight being based upon the total weight of the composition taken as 100% by weight, said composition being free of surfactant.
7. The composition of claim 6, said composition being free of dyes and chromophores.
8. The composition of claim 6, wherein said hydrocarbon resin comprises a terpene rosin.
9. The composition of claim 6, wherein said rubber comprises recurring monomers of ethylene and propylene.
10. A composition useful as an adhesive or protective coating, said composition comprising from about 10-40% by weight of a hydrocarbon resin and from about 1-7% by weight of a rubber dispersed or dissolved in a solvent system, said percentages by weight being based upon the total weight of the composition taken as 100% by weight, said composition being free of dyes and chromophores.
11. The composition of claim 10, wherein said hydrocarbon resin comprises a terpene rosin.
12. The composition of claim 10, wherein said rubber comprises recurring monomers of ethylene and propylene.
13. A composition useful as an adhesive or protective coating, said composition consisting essentially of from about 10-40% by weight of a hydrocarbon resin and from about 1-7% by weight of a rubber dispersed or dissolved in a solvent system, said percentages by weight being based upon the total weight of the composition taken as 100% by weight.