Jacobson, Price, Holman & Stern
Converter-type circuit connector for linking electronic devices
 A converter-type circuit connector for linking electronic devices. Preferably, the converter-type connector comprises a D-type 50-point contact connector, a converter circuit board having an upper and lower circuit boards, two D-type 25-point contact connectors, upper and lower covers, and an iron panel, the D-type 50-point contact connector having a male configuration and both lateral sides thereof being indented with grooves for fastening the connector to an electronic device. Inside the converter-type connector, two rows of electrical conductors exit the back of the D-type 50-point contact connector. Each electrical conductor is angled at 90 degrees and connects with the converter circuit board. The 50-point contact connector defines the front of the converter-type circuit connector, the housing of which is defined by the upper and lower covers. The contacts of the 50 point contact connector are electrically connected, through the electrical conductors and the converter circuit board, to the pair of D-type 25-point contact connectors. The pair of 25-point contact connectors are affixed to the iron panel at an opposite side of the converter-type circuit connector from the 50 point contact connector. The iron panel thus defines the back of the converter-type circuit connector. One D-type 25-point contact connector is connected to a second set of electrical conductors, also angled at 90 degrees and directly welded and affixed to the lower circuit board. The other D-type 25-point contact connector is connected to the lower circuit board by way of a ribbon cable. 
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additional inventional inventional
Ming-Chiao
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