US 7,518,769 B2
4-line CCD sensor and image input apparatus using the same
Jun Sakakibara, Tokyo (Japan); and Koji Tanimoto, Tagata-gun (Japan)
Assigned to KabushikI Kaisha Toshiba, Tokyo (Japan); and Toshiba Tec Kabushiki Kaisha, Tokyo (Japan)
Filed on May 30, 2007, as Appl. No. 11/806,118.
Application 11/806118 is a continuation of application No. 10/377818, filed on Mar. 04, 2003, granted, now 7,274,496.
Prior Publication US 2007/0229925 A1, Oct. 04, 2007
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 1/46 (2006.01); H04N 1/04 (2006.01)
U.S. Cl. 358—514  [358/512; 358/515; 358/474] 5 Claims
OG exemplary drawing
 
1. An image input apparatus comprising:
a light source having a white spectral characteristic;
a 4-line CCD sensor having a monochromic reading line sensor section composed of a monochromic photodiode array, a monochromic shift gate, a monochromic analog shift register, and a monochromic amplifier which has an amplification factor set according to the spectral characteristic of the light source and which amplifies an electric signal from the monochromic analog shift register with this amplification factor to output the amplified electric signal to an exterior, a color reading line sensor section composed of color photodiode arrays, color shift gates, color analog shift registers, and color amplifiers each of which has an amplification factor set according to the spectral characteristic of the light source and which amplifies an electric signal from the color analog shift register with this amplification factor to output the amplified electric signal to the exterior; and
a control circuit, which controls the 4-line CCD sensor.