Photoelectric conversion apparatus
AssigneeCanon Kabushiki Kaisha
InventorYuichiro Yamashita
Life of this patent
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Abstract
A photoelectric conversion apparatus including (A) a semiconductor integrated circuit, for photoelectrically converting an incident optical signal, that includes a first temperature dependent element having a characteristic which exhibits a predetermined change in accordance with a change in temperature and a detection circuit for detecting temperature information, (B) a device arranged outside of the semiconductor integrated circuit, and (C) at least one second temperature dependent element which is arranged inside the device and has a characteristic which exhibits a predetermined change in accordance with a change in temperature. The detection circuit detects temperature information of the first temperature dependent element and temperature information of the at least one second temperature dependent element.
Claims24
A semiconductor integrated circuit comprising on a single semiconductor substrate:
- photoelectric conversion means for photoelectrically converting an incident optical signal;
- a temperature dependent element having a characteristic which exhibits a predetermined change in accordance with a chance in temperature;
- and
- detection means for detecting temperature information of said temperature dependent element and temperature information received from outside said semiconductor integrated circuit.
A photoelectric conversion apparatus comprising:
- (A) a semiconductor integrated circuit that photoelectrically converts an incident optical signal, said circuit including:
- (a) a first temperature dependent element having a characteristic which exhibits a predetermined change in accordance with a change in temperature;
- and
- (b) detection means for detecting temperature information;
- (B) a device arranged outside said semiconductor integrated circuit;
- and
- (C) at least one second temperature dependent element which is arranged inside said device and has a characteristic that exhibits a predetermined change in accordance with a chance in temperature, wherein said detection means detects temperature information of said first temperature dependent element and temperature information of said at least one second temperature dependent element.
A semiconductor integrated circuit comprising on a single semiconductor substrate:
- a photoelectric converter arranged to receive an incident optical signal and provide an output signal;
- a temperature dependent element having a characteristic which exhibits a predetermined change in accordance with a change in temperature;
- and
- a temperature information detector connected to said temperature dependent element and arranged for receiving temperature information from an element outside said semiconductor integrated circuit.
A photoelectric conversion apparatus comprising:
- (A) a semiconductor integrated circuit that has a photoelectric converter arranged to receive an incident optical signal and provide an output signal, said circuit including:
- (a) a first temperature dependent element having a characteristic which exhibits a predetermined change in accordance with a change in temperature;
- and
- (b) a temperature information detector that detects temperature information;
- (B) a device arranged outside said semiconductor integrated circuit;
- and
- (C) at least one second temperature dependent element which is arranged inside said device and has a characteristic that exhibits a predetermined change in accordance with a change in temperature,
- wherein said temperature information detector detects temperature information of said first temperature dependent element and temperature information of said at least one second temperature dependent element.
Dependencies are inferred from the claim text.