CHIP ON BOARD BASED HIGHLY INTEGRATED IMAGER

• US 20140110485A1
• Filed: 10/24/2013
• Published: 04/24/2014
• Est. Priority Date: 10/24/2012
• Status: Active Grant

• Current Assignee: Honeywell International Inc.
• Original Assignee: Honeywell International Inc.
• Inventors: Liu, Yong, Smith, Taylor, Wang, Ynjiun Paul, Toa, Xi
• Granted Patent: US 9,424,454 B2
• Time in Patent Office: Days
• US Class Current: 235/462.21
• CPC Class Codes: G06K 7/015 Aligning or centering of the sensing device with respect to the record carrier
• CPC Class Codes: G06K 7/10722 Photodetector array or CCD scanning
• CPC Class Codes: G06K 7/10821 further details of bar or optical code scanning devices
• CPC Class Codes: G06K 7/10831 Arrangement of optical elements, e.g. lenses, mirrors, prisms optical elements per se G02B
• CPC Class Codes: G06K 7/10851 Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device basic electronic circuitry H03
• CPC Class Codes: G06K 7/1413 1D bar codes
• CPC Class Codes: H04N 23/50 Constructional details
• CPC Class Codes: H04N 23/54 Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
• CPC Class Codes: H04N 23/57 Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Abstract

An apparatus for use in decoding a bar code symbol may include an image sensor integrated circuit having a plurality of pixels, timing and control circuitry for controlling an image sensor, gain circuitry for controlling gain, and analog to digital conversion circuitry for conversion of an analog signal to a digital signal. The apparatus may also include a PCB for mounting the image sensor integrated circuit and light source bank. The connection between the image sensor integrated circuit and/or light source bank and the PCB characterized by a plurality of wires connecting a plurality of bond pads and a plurality of contact pads, where the wires, bond pads, and contact pads provide electrical input/output and mechanical connections between the image sensor integrated circuit and the PCB. The apparatus may be operative for processing image signals generated by the image sensor integrated circuit for attempting to decode the bar code symbol.

Claims

1. An apparatus for use in decoding a bar code symbol, the apparatus comprising:

an image sensor integrated circuit, the image sensor integrated circuit having a plurality of pixels arranged in a plurality of rows and columns of pixels, timing and control circuitry for controlling an image sensor, gain circuitry for controlling the gain of one or more signals, analog to digital conversion circuitry for conversion of an analog signal to a digital signal, and a plurality of electrode pads on a surface of the image sensor integrated circuit;

a light source bank;

a single printed circuit board receiving the image sensor integrated circuit and the light source bank, the printed circuit board having a plurality of contact pads disposed on a surface of the printed circuit board;

wherein a connection between said image sensor integrated circuit and said printed circuit board is characterized by a plurality of wires connecting a plurality of bond pads on the image sensor to the plurality of contact pads on the printed circuit board, the wires, bond pads, and contest pads providing electrical input/output and mechanical connections between said image sensor integrated circuit and said printed circuit board; and

wherein a connection between said light source bank and said printed circuit board is characterized by a plurality of wires connecting a plurality of bond pads on the light source bank to a plurality of bond pads on the printed circuit board, the wires and bond pads providing electrical input/output and mechanical connections between said light source bank and said printed circuit board.

2. The apparatus of 1, wherein the apparatus is operative for processing of image signals generated by the image sensor integrated circuit for attempting to decode the bar code symbol.

3. The apparatus of 1, further comprising:

a hand held housing encapsulating the image sensor integrated circuit and the light source bank.

4. The apparatus of 3, wherein the processing of image signals generated by the image sensor integrated circuit for attempting to decode the bar code symbol is performed within the housing.

5. The apparatus of 3, wherein the processing of image signals generated by the image sensor integrated circuit for attempting to decode the bar code symbol is performed by circuitry external to the housing.

6. The apparatus of 1, wherein the processing of image signals generated by the image sensor integrated circuit for attempting to decode the bar code symbol is performed by a circuit disposed on said printed circuit board.

7. The apparatus of 1, wherein the processing of image signals generated by the image sensor integrated circuit for attempting to decode the bar code symbol is performed by a computer external to the housing.

8. The apparatus of 1 wherein the light source bank is an LED die.

9. The apparatus of 1, further comprising:

a light source bank circuitry for controlling the operation of the light source bank, the light source bank electrically connected to the light source bank circuitry and

wherein a connection between the light source bank driver circuitry and said printed circuit board is characterized by a plurality of wires connecting a plurality of bond pads on the light source bank driver circuitry to the plurality of contact pads on the printed circuit board the wires, bond pads, and contact pads providing electrical input/output and mechanical connections between said image sensor integrated circuit and said printed circuit board.

10. The apparatus of 9, further comprising:

a processor circuitry; and

wherein a connection between the processor circuitry and said printed circuit board is characterized by a plurality of wires connecting a plurality of bond pads on the processor circuitry to the plurality of contact pads on the printed circuit board, the wires, bond pads, and contact pads providing electrical input/output and mechanical connections between said images sensor integrated circuit and said printed circuit board.

11. The apparatus of 1, further comprising:

an aimer light source bank positioned on said printed circuit board.

12. The apparatus of 11, wherein the aimer source bank is an LED die.

13. The apparatus of 1, further comprising:

aimer subsystem and an aimer light circuitry for controlling the operation of an aimer light bank, the aimer light bank electrically connected to the aimer light circuitry, and the aimer light circuitry electrically connected to said printed circuit board.