The embodiments of the invention in which an exclusive property or right is claimed are defined as follows. Having thus described the invention what is claimed is:
1. A method in a magnetic sensor for decreasing variations in switching angles thereof, said method comprising the steps of:
configuring an angled face magnet to include a recessed portion into which at least one sensing element can be positioned for magnetic sensing thereof;
positioning said at least one sensing element within said recessed portion of said angled face magnet, wherein said angled faced magnet is adapted for use with said magnetic sensor for sensing a sensor target thereof; and
altering a magnetic signal generated by said at least one sensing element of said magnetic sensor utilizing said angled face magnet, thereby decreasing variations in switching angles associated with said magnetic sensor relative to said sensor target.
2. The method of claim 1 further comprising the step of:
transmitting said magnetic signal from said at least one sensing element to a signal processing circuit, wherein said magnetic signal comprises an analog signal.
3. The method of claim 2 further comprising the step of:
converting said analog signal into a digital output signal via said signal processing circuit.
4. The method of claim 3 wherein said digital output signal comprises a high digital output signal.
5. The method of claim 3 wherein said digital output signal comprises a low digital output signal.
6. The method of claim 1 wherein said magnetic sensor comprises a geartooth sensor.
7. The method of claim 6 wherein said geartooth sensor is adapted for use in automobile applications.
8. The method of claim 6 wherein said geartooth sensor is adapted for use in automobile engines to determine crankshaft positions.
9. The method of claim 6 wherein said geartooth sensor is adapted for use in automobile engines to determine camshaft angular positions.
10. A method in a magnetic geartooth sensor for decreasing variations in switching angles thereof, said method comprising the steps of:
configuring an angled face magnet to include a recessed portion into which at least one sensing element can be positioned;
angularly positioning said at least one sensing element within said recessed portion of said angled face magnet, wherein said angled faced magnet is adapted for use with said magnetic geartooth sensor for sensing a geartooth sensor target thereof; and
altering a magnetic signal generated by said magnetic geartooth sensor utilizing said angled face magnet, thereby decreasing variations in switching angles associated with said magnetic geartooth sensor relative to said geartooth sensor target;
transmitting said magnetic signal to said at least one sensing element to a signal processing circuit, wherein said magnetic signal comprises an analog signal; and
converting said analog signal into a digital output signal via said signal processing circuit.
11. A system for decreasing variations in switching angles associated with a magnetic sensor, said system comprising:
an angled face magnet comprising a recessed portion into which at least one sensing element can be positioned for magnetic sensing thereof;
at least one sensing element positioned within said recessed portion of said angled face magnet, such that said angled faced magnet is adapted for use with said magnetic sensor for sensing a sensor target thereof; and
wherein said angled face magnet alters a magnetic signal generated by said at least one sensing element of said magnetic sensor, thereby decreasing variations in switching angles associated with said magnetic sensor relative to said sensor target.
12. The system of claim 11 further comprising the step of:
transmitting said magnetic signal from said at least one sensing element to a signal processing circuit, wherein said magnetic signal comprises an analog signal.
13. The system of claim 12 further comprising the step of:
converting said analog signal into a digital output signal via said signal processing circuit.
14. The system of claim 13 wherein said digital output signal comprises a high digital output signal.
15. The system of claim 13 wherein said digital output signal comprises a low digital output signal.
16. The system of claim 11 wherein said magnetic sensor comprises a geartooth sensor.
17. The system of claim 16 wherein said geartooth sensor is adapted for use in automobile applications.
18. The system of claim 16 wherein said geartooth sensor is adapted for use in automobile engines to determine crankshaft positions.
19. The system of claim 16 wherein said geartooth sensor is adapted for use in automobile engines to determine camshaft angular positions.
20. The system of claim 11 wherein said at least one sensing element comprises at least one Hall sensing element.
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 touch type input device comprising:
a touch panel having a piezoelectric sensor and an electrostatic sensor;
a touch position detector that detects an operation input from a touch position detection voltage of the electrostatic sensor;
a displacement detector that detects a pressing amount from a detection voltage of the piezoelectric sensor;
a sound emission controller that provides a sound emission signal to the piezoelectric sensor;
a switch unit that switches connection of the displacement detector and the sound emission controller to the piezoelectric sensor; and
a controller that receives an operation input detection result from the touch position detector and controls the switch unit such that the displacement detector and the piezoelectric sensor are connected to each other.
2. The touch type input device according to claim 1, wherein the piezoelectric sensor and the electrostatic sensor are integral and share a main body.
3. The touch type input device according to claim 2, wherein the main body of the piezoelectric sensor and the electrostatic sensor is a single piezoelectric film, and an electrostatic capacitance detecting electrode and a displacement detecting electrode are positioned on an identical surface of the piezoelectric film.
4. The touch type input device according to claim 3, wherein the piezoelectric film is made of poly lactic acid.
5. The touch type input device according to claim 4, wherein the piezoelectric film is uniaxially drawn in a predetermined direction.
6. The touch type input device according to claim 5, wherein the predetermined direction is at a predetermined angle with respect to a length and a width direction of the piezoelectric film.
7. A touch type input device comprising:
a touch panel having a piezoelectric sensor and an electrostatic sensor;
a touch position detector that detects an operation input from a touch position detection voltage of the electrostatic sensor;
a displacement detector that detects a pressing amount from a detection voltage of the piezoelectric sensor;
a sound emission controller that includes a source playback unit and a sound emission amplifier, the source playback unit generating a sound emission signal provided to the piezoelectric sensor, the sound emission amplifier amplifying the sound emission signal to output the amplified sound emission signal to the piezoelectric sensor;
a switch unit that switches between a first path and a second path; and
a controller that outputs a switch control signal to the switch unit instructing the switch unit to switch between the first path and the second path,
wherein the displacement detector and the controller are connected to each other in the first path, the source playback unit and the sound emission amplifier are connected to each other in the second path, and
the controller receives an operation input detection result from the touch position detector, and generates the switch control signal switching from the second path to the first path.
8. The touch type input device according to claim 7, wherein the piezoelectric sensor and the electrostatic sensor are integral and share a main body.
9. The touch type input device according to claim 8, wherein the main body of the piezoelectric sensor and the electrostatic sensor is a single piezoelectric film, and an electrostatic capacitance detecting electrode and a displacement detecting electrode are positioned on an identical surface of the piezoelectric film.
10. The touch type input device according to claim 9, wherein the piezoelectric film is made of poly lactic acid.
11. The touch type input device according to claim 10, wherein the piezoelectric film is uniaxially drawn in a predetermined direction.
12. The touch type input device according to claim 11, wherein the predetermined direction is at a predetermined angle with respect to a length and a width direction of the piezoelectric film.