Production line PCB serial programming and testing method and system

Patent metadata

Field	Value
Publication number	US-9854372-B2
Application number	US-201615244834-A
Country	US
Kind code	B2
Filing date	Aug 23, 2016
Priority date	Aug 29, 2015
Publication date	Dec 26, 2017
Grant date	Dec 26, 2017

Abstract

A system and method for testing a wireless earpiece which provides improved efficiencies in manufacturing. Automated testing of one or more printed circuit boards of the wireless earpiece is initiated. The semi-assembled wireless earpiece is tested. End-of-line functional testing is performed. Final acoustic testing of the wireless earpiece is performed.

First claim

What is claimed:

1. A method for testing a wireless earpiece, the method comprising:
initiating automated testing of one or more printed circuit boards (PCBs) of the wireless earpiece;
testing the wireless earpiece, wherein the wireless earpiece is semi-assembled;
performing end-of-line functional testing, wherein (1) a reference wireless earpiece is used to test a communication element and a processor associated with the communication element within the wireless earpiece and (2) the wireless earpiece is light insulated for testing LEDs of the wireless earpiece; and
performing final acoustic testing of the wireless earpiece, wherein the final acoustic testing is performed in an acoustically isolated chamber.

2. The method according to claim 1 , wherein the automated testing is performed utilizing a computing device connected to the wireless earpiece by one or more testing jigs.

3. The method according to claim 1 , wherein the automated testing is performed on a panel that includes a plurality of PCBs.

4. The method according to claim 2 , wherein the testing jig is configured to test a pulse oximeter, touch sensor, and display lights of the wireless earpiece during the end-of-time functional testing.

5. The method according to claim 1 , wherein the wireless earpiece includes an external auditory canal microphone, an external auditory canal speaker, and an ambient microphone that are tested during the final acoustic testing.

6. The method according to claim 1 , wherein initiating automatic production panel testing further comprises:
testing component sets of the PCB for energy consumption;
programming intelligent components on the PCB;
performing radio frequency testing of the PCB;
testing battery charging capabilities of the PCB;
measuring power usage; and
verifying a microcontroller of the PCB is connected to components of the PCB.

7. The method according to claim 1 , wherein performing radio frequency testing of the PCB includes testing Bluetooth communications to and from the PCB.

8. The method according to claim 1 , wherein performing semi-assembly of the wireless earpiece further comprises:
fitting a lateral segment and a medial segment of the wireless earpiece to the one or more testing jigs;
verifying functionality by loading an initialization file through a testing jig;
reconnecting to the wireless earpiece to re-enumerate as a mass storage device and copying system, audio and other files onto the wireless earpiece.

9. A system for testing a wireless earpiece, the system comprising:
a computing device connected to the wireless earpiece;
a reference wireless earpiece connected to the computing device;
wherein the computing device is configured to:
initiate automated testing of one or more printed circuit boards (PCBs) of the wireless earpiece;
test the wireless earpiece, wherein the wireless earpiece is semi-assembled;
test battery charging capabilities of the one or more printed circuit boards, wherein the one or more printed circuit boards are tested to ensure that a minimal current is utilized when battery voltage is below a manufacturer's minimum specification;
perform end-of-line functional testing including detecting light generated by LEDs of the wireless earpiece; and
perform final acoustic testing of the wireless earpiece, wherein the final acoustic testing is performed in an acoustically isolated chamber; and
wherein the reference wireless earpiece is used to test a connection range of a communication element and a processor associated with the communication element within the semi-assembled wireless earpiece.

10. The system according to claim 9 , wherein the computing device is connected to a database for storing test results and measurements for the wireless earpiece.

11. The system according to claim 9 , wherein the computing device is further configured to:
test component sets of the PCB for energy consumption;
program intelligent components on the PCB;
perform radio frequency testing of the PCB;
measure power usage; and
verify a microcontroller of the PCB is connected to components of the PCB.

12. The system according to claim 11 , wherein the components of the PCB include at least pulse oximeter, touch sensor, and display lights of the wireless earpiece.

13. A testing device comprising:
a processor for executing a set of instructions;
a light sensor for detecting light generated by a wireless earpiece; and
a memory for storing the set of instructions, wherein the set of instructions are executed to:
initiate automated testing of one or more printed circuit boards (PCBs) of the wireless earpiece;
perform semi-assembly testing of the wireless earpiece;
perform end-of-line functional testing of the wireless earpiece, wherein a reference wireless earpiece is used to test a communication element and a processor associated with the communication element within the wireless earpiece and wherein the light sensor is used for testing LEDs of the wireless earpiece; and
perform final acoustic testing of the wireless earpiece, wherein the final acoustic testing is performed in an acoustically isolated chamber.

14. The testing device according to claim 13 , wherein the set of instructions are further executed to:
testing components sets of the PCB for energy consumption;
program intelligent components on the PCB;
perform radio frequency testing of the PCB;
test battery charging capabilities of the PCB;
measure power usage; and
verify a microcontroller of the PCB is connected to components of the PCB.

15. The testing device according to claim 13 , wherein the set of instructions are further executed to:
verify functionality by loading an initialization file through the testing jig, wherein a lateral segment and medial segment of the wireless earpiece to the one or more testing jigs;
re-enumerate the wireless earpiece as a mass storage device; and
copy system, audio, and other files onto the wireless earpiece.

16. The testing device according to claim 13 , wherein the testing device performs testing on a panel that includes a plurality of PCBs including the PCB of the wireless earpiece.

17. The testing device according to claim 13 , wherein the radio frequency testing includes testing short-range communications to and from the PCB.

Assignees

• Bragi GmbH

Inventors

• Kingscott Lisa

Classifications

• H04R29/001 Primary

  for loudspeakers (H04R29/007 takes precedence) · CPC title

• H04R29/00

  Monitoring arrangements; Testing arrangements {(for hearing aids H04R25/30; detection of loudspeaker connection H04R5/04; sound-field adaptation dependent on speaker detection H04S7/308)} · CPC title

• G01R31/3641

  Physics · mapped topic

• H04R1/10 Primary

  Earpieces; Attachments therefor {; Earphones; Monophonic headphones (H04R1/28 takes precedence; stereophonic headphones H04R5/033)} · CPC title

• G01R31/2825

  in household appliances or professional audio/video equipment (testing LAN's H04L43/50; testing TV systems H04N17/00; testing loudspeakers H04R29/00) · CPC title