Inventor

LI YAJUN

CN106 patents

⚠️ This page may combine multiple inventors who share the name “LI YAJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LI YAJUN

SYMBOL TECHNOLOGIES INC

Apparatus and method for reading indicia using charge coupled device and scanning laser beam technology

Apparatus and method for determining a distance to a target

Bar code reader for reading both one dimensional and two dimensional symbologies with programmable resolution

Apparatus and method for reading indicia using charge coupled device and scanning laser beam technology

Method and apparatus for reading two-dimensional bar code symbols with an elongated laser line

Laser scanning system and scanning method for reading 1-D and 2-D barcode symbols

Multi-resolution bar code reader

Scanning module for a bar code reader with a focusing lens

Retro-reflective scan module for electro-optical readers

Integrated scanner on a common substrate

CCD-based bar code scanner with optical funnel

Imaging engine and method for code readers

Multiple laser indicia reader optionally utilizing a charge coupled device (CCD) detector and operating method therefor

Hand-held bar code reader with single printed circuit board

Optical scanners

Optical scanners

Miniature laser diode focusing module using micro-optics

Bar code scanner having a focusing system

Optical scanning assembly with flexible diaphragm

Scanning system and scanning method with scan pattern control for reading 1-D and 2-D barcode symbols

Optical systems for bar code scanners

Miniature high speed scan element mounted on a personal computer interface card

Packaged mirror including mirror travel stops

Integrated scanner on a common substrate

Hand-held bar code reader with single printed circuit board

Integrated scanner on a common substrate having an omnidirectional mirror

Electro-optical scanning assembly with one-piece, oscillatable, focusing/scan element

Aperture controlled laser beam shaping techniques for scanning optical code

Compact dual optical and scan modules in bar code readers

Palm scanner

Integrated scanner on a common substrate having an omnidirectional mirror

Electro-optical scanning assembly with conductive flexures

Integrated scanner on a common substrate

Optical scanner having a reflected light collector including holographic optical elements

Laser scanning system and scanning method for reading 1-D and 2-D barcode symbols

Palm scanner

Optical scanner with fast zoom capability and scanning system

Split optics focusing apparatus for CCD-based bar code scanner

Miniature optical scanning assembly for barcode readers

Fiber optic barcode reader with piezoelectric element

Photodetector for use in reading optical information symbols

Pre-objective scanner with flexible optical support

Laser scanning device with automatic range and spot size adjustment

Beam shaping system and diverging laser beam for scanning optical code

Miniature scan element operably connected to a personal computer interface card

Scanner with flexibly supported light emitter

Beam shaping for optical scanners

Scanning devices and methods using surface emitting laser diodes

(unassigned)

Fiber optic barcode reader

SYMBOL TECHNLOGIES INC

Athermalized plastic lens