英和和英

語源

From duplex +‎ -er.

名詞

duplexer (plural duplexers)

1. (electronics) A device that enables communication in two directions over a single path.
   • 2009, Ken-ya Hashimoto, RF Bulk Acoustic Wave Filters for Communications‎, →ISBN, page 119:

     At first, making a duplexer seemed impossible, of all the filters in the cell phone, the specifications for the duplexer were by far the most stringent.

   • 2011, Alastair D. McAulay, Military Laser Technology for Defense‎, →ISBN, page 272:

     The HE11 mode emits a Gaussian beam into free space as is required for input to the quasi-optical duplexer attached to the antenna.

   • 2012, TV White Space Spectrum Technologies‎, →ISBN:

     A drawback in the dual duplexer design is that six channels are lost because three band gaps are required.

2. (electronics) A accessory of some printers that automatically flips pages to print on both sides.