方向、冠詞

US8654423
1. A taut-band resonant scanner comprising:
an elongated band having a length in an elongated direction, a width in a width direction that is orthogonal to the elongated direction, and a thickness in a thickness direction（＊不定冠詞）that is orthogonal to both the width direction and the elongated direction, wherein the thickness is substantially smaller than the width and wherein the width direction and elongated direction define a band width/length plane;

a sub-assembly that is attached to a portion of the band, said sub-assembly including at least one mounting structure to which a mirror may be attached to the sub-assembly such that the mirror will have a mirror face that is located in a plane that is not parallel with the band width/length plane.

 

US20150146157

1. An article of eyewear, comprising:

a frame including:

a front frame defining a left aperture and a right aperture;

a left temple arm supported by the front frame;

a right temple arm supported by the front frame; and

an accessory attachment opening adapted to detachably receive an accessory, the accessory attachment opening extending through a portion of the frame in a thickness direction（＊不定冠詞）and including an open side adapted to facilitate ingress and egress of the accessory from the accessory attachment opening in a direction substantially perpendicular to the thickness direction.