1. A sprayer activation device, comprising a base member, a cover member, and a transmission assembly: wherein
the base member has an accommodation space inside, an axle, a positioning piece, a through hole, and a plurality of positioning pins;
the transmission assembly contains a motor and a plurality of transmission gears engaging each other in the accommodation space; the motor axle is threaded though the through hole of the base member and has an axle gear engaging a transmission gear;
a pin is configured on another transmission gear;
the cover member seals the accommodation space and is joined to the base member by fastening elements through a plurality of bolt holes on the cover and base members; the cover member has a positioning piece and a through slot; and
the transmission assembly further contains a crank with a positioning opening and an axle hole at its two ends, respectively; the crank has a hammer configured at a side of the crank; and the hammer is moved up and down as the transmission assembly drives the crank.
2. The sprayer activation device according to claim 1, wherein the positioning pieces of the base and cover members are positioned in parallel with respective through holes in the centre.
3. The sprayer activation device according to claim 2, wherein the positioning pieces of the cover and base members are for joining the sprayer activation device to an aerosol or liquid sprayer.
4. The sprayer activation device according to claim 1, wherein the transmission assembly contains a motor, a first transmission gear, a second transmission gear, and a third transmission gear.
5. The sprayer activation device according to claim 4, wherein the first and second transmission gears are circular gears whose teeth are configured along the circumferences and whose axles have through axial channels and teeth around the axles’ circumferences; the third transmission gear is a fan-shaped gear whose teeth are configured on the arc circumference; a positioning hole is configured at the circular centre of the third transmission gear; a pin is configured adjacent to the third transmission gear’s teeth; the teeth of the first transmission gear’s axle engage the circumferential teeth of the second transmission gear; and the teeth of the second transmission gear’s axle engage the arc teeth of the third transmission gear.
6. The sprayer activation device according to claim 1, wherein the hammer of the crank is positioned between the positioning pieces of the cover and base members.
7. The sprayer activation device according to claim 1, wherein the positioning opening of the crank is a slant and rectangular opening.
8. The sprayer activation device according to claim 1, wherein the motor is coupled to a control switch which is configured to a top end of the base member’s axle.
9. The sprayer activation device according to claim 8, wherein the control switch is one of a mechanical button and a photosensitive sensor.
10. The sprayer activation device according to claim 1, wherein the motor is a DC motor.
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. An antenna duplexer comprising:
an input terminal;
a transmission filter including a surface acoustic wave (SAW) filter having an input port connected to said input terminal;
a phase shifter having an input port connected to an output port of said transmission filter;
a reception filter having an input port connected to an output port of said phase shifter;
an output terminal connected to the output port of said reception filter; and
an antenna terminal connected between said transmission filter and said phase shifter,
wherein said transmission filter has a power durability at said output port thereof, the power durability being larger than a power durability at said input port thereof.
2. The antenna duplexer of claim 1,
wherein said SAW filter includes:
a substrate;
a SAW resonator disposed on said substrate; and
a conductor pattern disposed on said the substrate, said conductor pattern being connected to said SAW resonator.
3. The antenna duplexer of claim 1,
wherein said transmission filter includes a first SAW filter having a first series arm SAW resonator disposed at an outermost arm towards said antenna terminal, and
wherein said first series arm SAW resonator include a plurality of second series arm SAW resonators connected in series with each other.
4. The antenna duplexer of claim 3,
wherein the first SAW filter further includes a third series arm SAW resonator, and
wherein a series arm SAW resonator having a smallest capacitance of said second series arm SAW resonators has a capacity equal to or larger than a capacitance of said third series arm SAW resonator.
5. The antenna duplexer of claim 3,
wherein said first SAW filter further includes a first parallel arm SAW resonator, and
wherein said first parallel arm SAW resonator includes a plurality of second parallel arm SAW resonators connected in series with each other.
6. The antenna duplexer of claim 5,
wherein said first SAW filter further includes a third parallel arm SAW resonator, and
wherein said first parallel arm SAW resonator is connected closer to said antenna terminal than said third parallel arm SAW resonator.
7. The antenna duplexer of claim 6, wherein a SAW resonator having a smallest capacitance of said second parallel arm SAW resonators has a larger capacitance than said third parallel arm SAW resonator.
8. The antenna duplexer of claim 3, wherein said reception filter includes a second SAW filter including a third series arm SAW resonator disposed at an outermost arm towards said input terminal.
9. The antenna duplexer of claim 8, wherein said third series arm SAW resonator includes a plurality of fourth series arm SAW resonators connected in series with each other.
10. The antenna duplexer of claim 9,
wherein said second SAW filter further includes a fifth series arm SAW resonator, and
wherein a SAW resonator having a smallest capacitance of said fourth series arm SAW resonators has a larger capacitance than said fifth series arm SAW resonator.
11. The antenna duplexer of claim 8, wherein said second SAW filter further includes a first parallel arm SAW resonator including a plurality of second parallel arm SAW resonators connected in series with each other.
12. The antenna duplexer of claim 11,
wherein said second SAW filter further includes a third parallel arm SAW resonator, and
wherein said first parallel arm SAW resonator is disposed closer to said antenna terminal than said third parallel arm SAW resonator.
13. An antenna duplexer comprising:
an input terminal;
a transmission filter including a surface acoustic wave (SAW) filter having an input port connected to said input terminal;
a phase shifter having an input port connected to an output port of said transmission filter;
a reception filter having an input port connected to an output port of said phase shifter;
an output terminal connected to the output port of said reception filter; and
an antenna terminal connected between said transmission filter and said phase shifter,
wherein said transmission filter includes a first SAW filter having a first series arm SAW resonator disposed at an outermost arm towards said antenna terminal, and
wherein said first series arm SAW resonator includes a plurality of second series arm SAW resonators connected in series with each other.
14. The antenna duplexer of claim 13,
wherein said SAW filter includes:
a substrate having said plurality of second series arm SAW resonators disposed thereon;
a plurality of third series arm SAW resonators disposed on said substrate; and
a conductor pattern disposed on said substrate, said conductor pattern being connected to at least one of said third series arm SAW resonators and said plurality of second series arm SAW resonators, and
wherein a layout of said plurality of second series arm SAW resonators, said third series arm SAW resonators, and said conductor pattern are symmetrical.
15. The antenna duplexer of claim 13, wherein said SAW filter has a circuit being identical as seen both from the input port thereof and from the output port thereof.
16. The antenna duplexer of claim 13,
wherein said SAW filter includes:
a substrate;
a SAW resonator disposed on said substrate; and
a conductor pattern disposed on said the substrate, said conductor pattern being connected to said SAW resonator, and
wherein a layout of said SAW resonator and conductor pattern is symmetrical.
17. The antenna duplexer of claim 13,
wherein the first SAW filter includes a third series arm SAW resonator; and
wherein a series arm SAW resonator having a smallest capacitance of said second series arm SAW resonators has a capacity equal to or larger than a capacitance of said third series arm SAW resonator.
18. The antenna duplexer of claim 13,
wherein said first SAW filter further includes a first parallel arm SAW resonator, and
wherein said first parallel arm SAW resonator includes a plurality of second parallel arm SAW resonators connected in series with each other.
19. The antenna duplexer of claim 18,
wherein said first SAW filter further includes a third parallel arm SAW resonator, and
wherein said first parallel arm SAW resonator is connected closer to said antenna terminal than said third parallel arm SAW resonator.
20. The antenna duplexer of claim 19, wherein a SAW resonator having a smallest capacitance of said second parallel arm SAW resonators has a larger capacitance than said third parallel arm SAW resonator.
21. The antenna duplexer of claim 13, wherein said reception filter includes a second SAW filter including a third series arm SAW resonator disposed at an outermost arm towards said input terminal.
22. The antenna duplexer of claim 21, wherein said third series arm SAW resonator includes a plurality of fourth series arm SAW resonators connected in series with each other.
23. The antenna duplexer of claim 22,
wherein said second SAW filter further includes a fifth series arm SAW resonator; and
wherein a SAW resonator having a smallest capacitance of said fourth series arm SAW resonators has a larger capacitance than said fifth series arm SAW resonator.
24. The antenna duplexer of claim 21, wherein said second SAW filter further includes a first parallel arm SAW resonator including a plurality of second parallel arm SAW resonators connected in series with each other.
25. The antenna duplexer of claim 24,
wherein said second SAW filter further includes a third parallel arm SAW resonator, and
wherein said first parallel arm SAW resonator is disposed closer to said antenna terminal than said third parallel arm SAW resonator.
26. The antenna duplexer of claim 13, wherein said transmission filter has a power durability at said output port thereof, the power durability being equal to or larger than a power durability at said input port thereof.