| 摘要 |
In a microphone cartridge, a flexible printed circuit board (12) serves two functions, separating the diaphragm (14) and backplate (16), and electrically connecting the cartridge and the buffer amplifier. The flex-print includes a spacer portion (13) that maintains the appropriate distance between the diaphragm and backplate, and an integral lead portion (29) having a conductor (28) serving as the signal path for transmitting the signal from the cartridge to the amplifier. The spacer portion (13) has a conductor that electrically contacts the diaphragm or backplate and is connected to the conductor of the integral lead portion (29). The integral lead portion may optionally include a second electrical conductor providing a reference path from the cartridge to the amplifier. Further, the flex-print may be used as the carrier for the amplifier, its associated circuitry, and for other circuitry within the listening device. And, the flex-print may be used as a portion of the diaphragm subassembly and/or the backplate subassembly. |
