Patent EP0486986A1 successfully refreshed from Google Patents.
EP0486986A1
Expired / Lapsed
EP
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Buffer circuit
Assignee: Canon Inc
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Filing: 1991-11-18
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Granted: —
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Expires: 2011-11-18
Abstract
Abstract A buffer circuit provided with a transistor each on the input (1) and output (2) terminal sides, in which the transistor has been provided in order to keep constant a difference between a collector-emitter voltage of the input terminal side transistor (3,4) and that of the output terminal side transistor (5,6).
Inventors
- 👤 Katsuhito c/o Canon Kabushiki Kaisha Sakurai
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 05:55
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/30; H03F3/3069; H03F3/3076; H03F1/00; H03F1/30; H03F1/307; H03F3/34; H03F3/343
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
46 words
A buffer circuit provided with a transistor each on the input and output terminal sides, wherein the transistor has been provided in order to keep constant a difference between a collector-emitter voltage of said input terminal side transistor and that of said output terminal side transistor.
Claim 2
Dependent Claim
20 words
A current feedback type operational amplifier wherein the input unit is provided with a buffer circuit according to Claim 1.
Claim 3
Dependent Claim
16 words
The buffer circuit according to Claim 1, wherein said buffer circuit constitutes a semiconductor integrated circuit.
References Cited (Backward Citations)
No citation records indexed.
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