Long range optical reader

An optical reader comprising:

• a substrate, the substrate defining an opening;
• a first arcuate solder pad coupled to the substrate, the first arcuate solder pad disposed proximate to the opening;
• a second arcuate solder pad coupled to the substrate, the second arcuate solder pad disposed proximate to the opening;
• a third arcuate solder pad coupled to the substrate, the third arcuate solder pad disposed proximate to the opening;
• wherein the first arcuate solder pad is electrically insulated from the second arcuate solder pad;
• wherein the first arcuate solder pad is electrically insulated from the third arcuate solder pad;
• and
• wherein the second arcuate solder pad is electrically insulated from the third arcuate solder pad.

An optical reader comprising:

• a substrate, the substrate defining an opening;
• electrical circuitry disposed on the substrate, the electrical circuitry including:
• a first solder pad disposed proximate to the opening;
• a second solder pad disposed proximate to the opening;
• and
• a third solder pad disposed proximate to the opening;
• a laser diode coupled to the electrical circuitry, the laser diode including:
• a first electrical lead coupled to the first solder pad;
• a second electrical lead coupled to the second solder pad;
• and
• a third electrical lead coupled to the third solder pad.

An optical reader comprising:

• a first substrate, said first substrate having a first surface and a second surface (204);
• an illumination assembly coupled to said second surface, said illumination assembly including at least two light emitting diodes;
• an illuminating lens assembly coupled to said illumination assembly, said illuminating lens assembly including two lenses, said illuminating lens assembly defining an aperture;
• an imaging assembly coupled to said illumination assembly, said imaging assembly having an imaging axis, said imaging axis laying on a first plane, said imaging assembly including a plurality of photodetectors;
• a targeting lens (224) coupled to said first surface (202);
• and
• a laser diode assembly (226) coupled to said first surface (202), said laser diode assembly (226) configured to emit a laser beam (228), said laser beam propagating along an axis (230), laser diode assembly (226) disposed such that said laser beam (228) is directed through said targeting lens (224).

An optical reader comprising:

• a first substrate, said first substrate having a first surface and a second surface;
• a light source configured to emit a beam of light propagating along an axis, said light source coupled to said first surface;
• an illumination assembly coupled to said second surface, said illumination assembly including at least two light emitting diodes;
• an imaging assembly coupled to said illumination assembly, said imaging assembly having an imaging axis, said imaging axis laying on a first plane, said imaging assembly including a plurality of photodetectors;
• and
• an illuminating lens assembly coupled to said illumination assembly, said illuminating lens assembly, said illuminating lens assembly defining an aperture, said illuminating lens assembly including:
• an illumination diffuser;
• a first reflective surface disposed in the path of the beam of light thereby directing the beam of light along a first predetermined path;
• a second reflective surface disposed in said first predetermined path thereby directing the laser beam along a second predetermined path;
• and
• a diffractive element disposed is said second predetermined path, said diffractive element disposed to receive the beam of light whereby said diffractive element modifies the direction of propagation of the beam of light.

An optical reader comprising:

• a first substrate, said first substrate having a first surface and a second surface;
• an illumination assembly coupled to said second surface, said illumination assembly including a first light source and a second light source;
• an illuminating lens assembly defining an aperture and including two lenses, said illuminating lens assembly coupled to said illumination assembly;
• an imaging assembly coupled to said illumination assembly, said imaging assembly having an imaging axis, said imaging axis laying on a first plane, said imaging assembly including a plurality of photodetectors;
• a targeting lens coupled to said first surface;
• and
• a third light source configured to supply a beam of light propagating along an axis, said light source coupled to said first surface and disposed such that the beam of light is directed through said targeting lens.

An optical reader comprising:

• a first substrate, said first substrate having a first surface and a second surface;
• a first light source configured to emit a beam of light propagating along an axis, said light source coupled to said first surface;
• an illumination assembly coupled to said second surface, said illumination assembly including a second light source and a third light source;
• an imaging assembly coupled to said illumination assembly, said imaging assembly having an imaging axis, said imaging axis laying on a first plane, said imaging assembly including a plurality of photodetectors;
• and
• an illuminating lens assembly coupled to said illumination assembly, said illuminating lens assembly, said illuminating lens assembly defining an aperture, said illuminating lens assembly including:
• an illumination diffuser disposed to diffuse light from said second light source and said third light source in a predetermined manner;
• a first reflective surface disposed in the path of the beam of light thereby directing the beam of light along a first predetermined path;
• a second reflective surface disposed in said first predetermined path thereby directing the beam of light along a second predetermined path;
• and
• a targeting lens disposed to receive the beam of light, whereby said targeting lens modifies the cross sectional shape of the beam of light.