Gauge type bicycle computer
A cycling gage assembly comprises a housing, a dial gauge face, a first antenna, a second antenna, a motor assembly a printed circuit board and a battery. The housing has a rotating bezel, a transparent cover, and a rear cover. The transparent cover structured to fit within the rotating bezel. The rotating bezel structured to fit at least partially over the rear cover. The dial gauge face has a top and a bottom and structured behind the transparent cover the dial gauge face having a first slot and a second slot, the slot. The first antenna has a portion coupled with the first slot of the dial gauge face and a portion along a bottom of the dial gauge face. The second antenna has a portion coupled with the second slot of the dial gauge face and a portion along a bottom of the dial gauge face. The motor assembly coupled with the dial gauge face. The printed circuit has a microcontroller, a Bluetooth circuit and a global positioning system (GPS) circuit. The microcontroller coupled to drive the motor assembly. The Bluetooth circuit coupled with the first antenna and the GPS circuit coupled with the second antenna. The battery is coupled with the printed circuit board to provide power to the printed circuit board.
1. A cycling gauge assembly comprising:
a housing having a rotating bezel, a transparent cover, and a rear cover, the transparent cover structured to fit within the rotating bezel, the rotating bezel structured to fit at least partially over the rear cover;
a dial gauge face having a top and a bottom and structured behind the transparent cover, the dial gauge face having a first slot and a second slot;
a first antenna having a portion coupled with the first slot of the dial gauge face and a portion along a bottom of the dial gauge face;
a second antenna having a portion coupled with the second slot of the dial gauge face and a portion along a bottom of the dial gauge face;
a motor assembly coupled with the dial gauge face;
a printed circuit having a microcontroller, a Bluetooth circuit, and a global positioning system (GPS) circuit, the microcontroller coupled to drive the motor assembly, the Bluetooth circuit coupled with the first antenna, and the GPS circuit coupled with the second antenna; and
a battery coupled with the printed circuit to provide power to the printed circuit.
2. The cycling gauge assembly of claim 1 , wherein the top of the dial gauge comprises a dial gauge face and a plurality of sub-dial faces.
3. The cycling gauge assembly of claim 2 , wherein the motor assembly further comprises a first stepper motor coupled with a first rotatable dial gauge indicator and a second stepper motor coupled with a second rotatable dial gauge indicator, wherein the first rotatable dial gauge indicator and the second rotatable dial gauge indicator are coaxial about a center of the dial gauge face.
4. The cycling gauge assembly of claim 3 , wherein the motor assembly further comprises:
a third stepper motor coupled with a first rotatable sub-dial indicator, the first rotatable sub-dial indicator positioned about a center of a first sub-dial face of the plurality of sub-dial faces; and
a fourth stepper motor coupled with a second rotatable sub-dial indicator, the second rotatable sub-dial indicator positioned about a center of a second sub-dial face of the plurality of sub-dial faces.
5. The cycling gauge assembly of claim 4 , wherein the microcontroller is configured to receive GPS data from the GPS circuit to drive at least one at least one of the first stepper motor, the second stepper motor, the third stepper motor and the fourth stepper motor.
6. The cycling gauge assembly of claim 5 , wherein the GPS circuit provides GPS data to compute a cumulative moving average computed velocity in a predefined interval by calculating:
CMAV
t
+
1
=
CMAV
t
+
VGPS
t
+
1
-
CMAV
t
t
+
1
wherein VGPS t+1 is the computed velocity from the GPS data at time interval t+1 and CMAV t+1 is the cumulative moving average velocity at time interval t+1, and CMAV t is the cumulative moving average velocity at time interval t.
7. The cycling gauge assembly of claim 4 , wherein the microcontroller is configured to receive Bluetooth data from the Bluetooth circuit to drive at least one of the first stepper motor, the second stepper motor, the third stepper motor, and the fourth stepper motor.
8. A gauge assembly for a moving vehicle, the gauge assembly enclosed in a housing and comprising:
a dial gauge face having a top and a bottom and structured behind a transparent cover, the dial gauge face having a first slot and a second slot;
a first antenna having a portion coupled with the first slot of the dial gauge face and a portion along a bottom of the dial gauge face;
a second antenna having a portion coupled with the second slot of the dial gauge face and a portion along a bottom of the dial gauge face;
a motor assembly coupled with the dial gauge face; and
a printed circuit having a microcontroller, a short range radio circuit, and a global positioning system (GPS) circuit, the microcontroller coupled to drive the motor assembly, the short range radio circuit coupled with the first antenna, and the GPS circuit coupled with the second antenna.
9. The gauge assembly of claim 8 , wherein the top of the dial gauge comprises a dial gauge face and a plurality of sub-dial faces.
10. The gauge assembly of claim 9 , further comprising a battery coupled with the printed circuit to provide power to the printed circuit and the motor assembly.
11. The gauge assembly of claim 10 , wherein the motor assembly further comprises a first stepper motor coupled with a first rotatable dial gauge indicator and a second stepper motor coupled with a second rotatable dial gauge indicator, wherein the first rotatable dial gauge indicator and the second rotatable dial gauge indicator are coaxial about a center of the dial gauge face.
12. The gauge assembly of claim 11 , wherein the motor assembly further comprises:
a third stepper motor coupled with a first rotatable sub-dial indicator, the first rotatable sub-dial indicator positioned about a center of a first sub-dial face of the plurality of sub-dial faces; and
a fourth stepper motor coupled with a second rotatable sub-dial indicator, the second rotatable sub-dial indicator positioned about a center of a second sub-dial face of the plurality of sub-dial faces.
13. The cycling gauge assembly of claim 11 , wherein the microcontroller is configured to receive GPS data from the GPS circuit to drive at least one at least one of the first stepper motor, the second stepper motor, the third stepper motor, and the fourth stepper motor.
14. The gauge assembly of claim 13 , wherein the GPS circuit provides GPS data to compute a cumulative moving average computed velocity in a predefined interval by calculating:
CMAV
t
+
1
=
CMAV
t
+
VGPS
t
+
1
-
CMAV
t
t
+
1
wherein VGPS t+1 is the computed velocity from the GPS data at time interval t+1 and CMAV t+1 is the cumulative moving average velocity at time interval t+1, and CMAV t is the cumulative moving average velocity at time interval t.
15. The gauge assembly of claim 11 , wherein the microcontroller is configured to receive short range radio data from the short range radio circuit to drive at least one of the first stepper motor, the second stepper motor, the third stepper motor, and the fourth stepper motor.