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Signal input circuit

A signal input circuit, signal path technology, used in electrical components, electronic switches, transmission systems, etc.

Inactive Publication Date: 2012-08-15
THOMSON LICENSING SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This means that although the signal path is interrupted by the switch, relatively high frequency signals can still reach components downstream of the switch

Method used

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  • Signal input circuit
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Embodiment Construction

[0023] FIG. 1 shows a schematic diagram of a device for processing signals, in which the signal path can be interrupted. The circuit known from the prior art has an input 1 and a first signal processing circuit 4 . For the purpose of selectively interrupting the signal path, a switching device 2 controlled by a control signal SEL1 is arranged between the input 1 and the first signal processing circuit 4 . Depending on the control signal SEL1, the input 1 is connected to the first signal processing circuit 4 or the signal path is interrupted. The isolation of the input 1 from the first signal processing circuit 4 is determined by the properties of the switching device 2 . This applies in particular to the dependence of the insulation on the frequency of the signal.

[0024] Figure 2 shows a circuit for selecting one of the two inputs, as known in the prior art. Like FIG. 1 , it also has a first input terminal 1 and a first signal processing circuit 4 . In this case, the swi...

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Abstract

To provide a building, both the upper and lower floors of which are equipped with an easy-to-use storage space, while the building is made as low as possible. An intermediate room 15 is provided on an intermediate floor 4, which is provided on the upside of a specific floor 2 and which has a storage space 5 provided between the intermediate floor 4 and the specific floor, in such a manner as to protrude on a directly upper floor 21 by passing through a part of a directly upper floor 22 constituting the floor 21 directly on the specific floor 1. In a part of the floor 21, a directly upper intermediate floor 24 is provided in a position to be almost as high as a ceiling 15a of the intermediate room 15. Since a directly upper floor storage space 25 is provided between the floor 24 and the floor 22, the easy-to-use storage space can be provided on the specific floor and the directly upper floor, that is, on both the upper and lower floors, while the building.

Description

technical field [0001] The invention relates to a signal input circuit. In particular, it relates to a signal input circuit having a first switching device controlled by a first control signal. Background technique [0002] A signal processing device generally has a signal input to which a signal applied is passed to the signal processing circuit. If the signal input can be disconnected, there is usually a switch in the signal path from the signal input to the signal processing circuit. When this switch is open, the switch that breaks the signal path typically creates decoupling between the isolated signal paths, which decoupling decreases as frequency increases. This means that although the signal path is interrupted by the switch, relatively high frequency signals can still reach components downstream of the switch. Propagation paths may include, for example, capacitive or inductive coupling. In order to produce better isolation between the signal input of the signal p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K17/687
CPCH04B1/0057H04B1/006H03K17/687
Inventor 克劳斯·克莱门斯赫伯特·普森斯维特·安布拉斯特
Owner THOMSON LICENSING SA