Radiological imaging apparatus

Details Radiological imaging apparatus Radiological imaging apparatus

2011-07-12

2011-07-12

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

C250S336100, C250S370070, C250S370010

Reexamination Certificate

active

07977647

ABSTRACT:
A radiological imaging apparatus using a semiconductor radiation detector to make it possible to reduce a radiation measurement off time that may result from an attempt to avoid polarization, the radiological imaging apparatus comprising a capacitor that applies a voltage to a semiconductor radiation detector that detects a radiation from a subject, first current regulated means for conducting a charge current to the capacitor, and second current regulated means for conducting a discharge current from the capacitor, or comprising a capacitor that applies a voltage to the semiconductor radiation detector, a first resistor that conducts a charge current to and a discharge current from the capacitor, and a second resistor connected in parallel with the first resistor to subject the capacitor to charging and discharging.

REFERENCES:
patent: 4243885 (1981-01-01), Agouridis et al.
patent: 4255659 (1981-03-01), Kaufman et al.
patent: 4415237 (1983-11-01), Fox
patent: 4454423 (1984-06-01), Koob
patent: 6282264 (2001-08-01), Smith et al.
patent: 6346706 (2002-02-01), Rogers et al.
patent: 6525305 (2003-02-01), Deschamps et al.
patent: 7157716 (2007-01-01), Kitaguchi et al.
patent: 7297955 (2007-11-01), Amemiya et al.
patent: 2002/0113211 (2002-08-01), Nygard et al.
patent: 2003/0076920 (2003-04-01), Shinno et al.
patent: 2005/0067577 (2005-03-01), Yanagita et al.
patent: 6-121793 (1994-05-01), None
patent: 6-138241 (1994-05-01), None
patent: 7-12947 (1995-01-01), None
patent: 11149320 (1999-02-01), None
patent: 11/149320 (1999-06-01), None
patent: 3151487 (2001-01-01), None
patent: 2003-232855 (2003-08-01), None
patent: 2004-125524 (2004-04-01), None
patent: WO 03/019215 (2003-03-01), None
patent: WO 2004055550 (2004-07-01), None
Bell et al., “Time-Dependent Polarization of CdTe Gamma-Ray Detectors”, Nuclear Instruments and Methods, vol. 117, May 1, 1974, pp. 267-271.
Siffert et al., “Polarization in Cadmium Telluride Nuclear Radiation Detectors”, IEEE Transactions on Nuclear Science, vol. 23, No. 1, Feb. 1, 1976, pp. 159-170.
Radiation Measurement handbook, 3rd Edition, the Nikkan Kogyo Shinbun Ltd., p. 548, dated Mar. 27, 2001.
EEs' Tools & Toys, Riezenman, M.J., Spectrum, IEEE, vol. 32, Issue 12, Dec. 1995, pp. 60, Digital Object Identifier, 1995.

Affiliated with

Also associated with

Rating

Radiological imaging apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Radiological imaging apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Radiological imaging apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2630177