Production line PCB serial programming and testing method and system

• US 9,854,372 B2
• Filed: 08/23/2016
• Issued: 12/26/2017
• Est. Priority Date: 08/29/2015
• Status: Active Grant

• Current Assignee: Bragi GmbH
• Original Assignee: Bragi GmbH
• Inventors: Kingscott, Lisa
• Primary Examiner(s): Bernardi, Brenda
• Application Number:
  US15/244,834
• Publication Number:
  US 20170064475A1
• Time in Patent Office: 490 Days
• CPC Class Codes: G01R 31/2822 of microwave or radiofrequency circuits of attenuation, gain, e.g. using network analyzers G01R27/28
• CPC Class Codes: G01R 31/2825 in household appliances or professional audio/video equipment testing LAN's H04L43/50; testing TV systems H04N17/00; testing loudspeakers H04R29/00
• CPC Class Codes: G01R 31/3865 related to manufacture, e.g. testing after manufacture
• CPC Class Codes: H04R 1/10 Earpieces; Attachments therefor ; Earphones; Monophonic headphones H04R1/28 takes precedence; stereophonic headphones H04R5/033
• CPC Class Codes: H04R 29/00 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 Class Codes: H04R 29/001 for loudspeakers H04R29/007 takes precedence
• CPC Class Codes: H05K 999/00 dummy group
• CPC Class Codes: H05K 999/99 dummy group

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.

Claims

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.