US 11,927,602 B2
Radio frequency ejector pin for production testing and radio frequency test system
Chuan He, Shenzhen (CN)
Assigned to SPREADTRUM COMMUNICATIONS (SHENZHEN) CO., LTD., Guangdong (CN)
Filed by SPREADTRUM COMMUNICATIONS (SHENZHEN) CO., LTD., Shenzhen (CN)
Filed on May 9, 2022, as Appl. No. 17/739,936.
Application 17/739,936 is a continuation of application No. PCT/CN2020/117836, filed on Sep. 25, 2020.
Claims priority of application No. 201911079577.5 (CN), filed on Nov. 7, 2019.
Prior Publication US 2022/0260624 A1, Aug. 18, 2022
Int. Cl. G01R 1/04 (2006.01); G01R 29/08 (2006.01); G08B 21/18 (2006.01)
CPC G01R 1/045 (2013.01) [G01R 1/04 (2013.01); G01R 29/0878 (2013.01); G08B 21/18 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A radio frequency thimble for production testing, in engagement connection with a test socket, the radio frequency thimble comprises a housing, a probe, a light transmission member, and a color recognition sensor;
wherein the probe is located in a cavity of the housing; an accommodation hole is provided in the probe, the light transmission member is installed in the accommodation hole, a first end of the light transmission member is exposed at an end portion of the probe, a second end of the light transmission member is connected to the color recognition sensor, the light transmission member is used to transmit, to the color recognition sensor, light reflected by a reflective surface near the end portion of the probe, the color recognition sensor is used to perform recognize the color of the reflected light and determine, according to the color of the reflected light, whether the end portion of the probe is aligned with a terminal of the test socket having a preset color.