Component selection control system

• US 7,130,435 B1
• Filed: 05/26/2000
• Issued: 10/31/2006
• Est. Priority Date: 05/28/1999
• Status: Expired due to Fees

• Current Assignee: Sanyo Electric Company Limited (Panasonic Holdings Corporation), Sanyo Technosound Co. Ltd. (Panasonic Holdings Corporation)
• Original Assignee: Sanyo Electric Company Limited (Panasonic Holdings Corporation), Sanyo Technosound Co. Ltd. (Panasonic Holdings Corporation)
• Inventors: Arikuma, Shoji, Toda, Hideharu
• Primary Examiner(s): Chin, Vivian
• Assistant Examiner(s): LAO, LUNSEE
• Application Number:
  US09/579,275
• Time in Patent Office: 2,349 Days
• Field of Search: 381/77, 381/80, 381/81, 381/123, 381/61, 381/119, 381/111, 34082524-82525, 340/384.7, 340/2.1, 340/2.8, 700/94, 386/46, 386/1, 386/4, 386/52, 386/39, 386/99, 386/97, 348/705, 369/86
• US Class Current: 381/123
• CPC Class Codes: H04B 1/205 with control bus for exchanging commands between units

Abstract

The invention provides a component selection control system comprising signal output components 2 to 5, signal input components 4, 5, and an amplifier unit 1 having these components 2 to 5 connected thereto. The signal output components 2 to 5 have respective on-off switches 23, 33, 44, 54 provided on signal output lines 73 to 76 for delivering audio signals to the amplifier unit 1 therethrough, and the amplifier unit 1 has a common input terminal g. The signal output lines 73 to 76 of the output components 2 to 5 are connected to one another at a point connected to a common signal line 71, which is connected to the common input terminal g of the amplifier unit 1. This arrangement greatly reduces the numbers of signal lines and terminals required for connecting the components 2 to 5 to the amplifier unit 1.

Claims

1. A component selection control system comprising a plurality of signal output components for outputting AV signals including audio signals and/or video signals, a plurality of signal input components for receiving the AV signal, and a signal processing control unit having connected thereto the signal output components and the signal input components, the signal processing control unit being operable to process the AV signal delivered from desired one of the signal output components as required for audio and/or video reproduction and to feed the AV signal delivered from the desired signal output component to desired one or more of the signal input components, the component selection control system being characterized in that:

each of the signal output components has a separate and independent on-off switch provided on a signal output line for delivering the AV signal to the signal processing control unit therethrough, each of the signal input components having an on-off switch provided on a signal input line for receiving the AV signal from the signal processing control unit therethrough, and a control circuit for setting a recording mode, the signal processing control unit having a common input terminal for receiving the AV signal from the desired signal output component and a common output terminal for delivering the AV signal to the desired signal input component, the signal output lines of the signal output components being connected to one another at a point connected to the common input terminal of the signal processing control unit, the signal input lines of the signal input components being connected to one another at a point connected to the common output terminal of the signal processing control unit, the on-off switches being controllable for opening or closing to select one signal output component for feeding its AV signal to the signal processing control unit and to select one or more of the signal input components for receiving the AV signal from the signal processing control unit, wherein when more than one signal input component is selected then more than one on-off switch is turned on and more than one signal input component may be accessed at any given moment in time,

wherein the audio signal from the signal output component can be recorded on a recording medium of at least two signal input components at the same time by closing the on-off switch of said signal input components at the same time and setting said signal input components in the recording mode by control circuits thereof.

2. A component selection control system according to claim 1 wherein the AV signal to be delivered from the signal output component and fed to the signal input component is an audio signal, and the signal processing control unit comprises an amplifier circuit for amplifying the audio signal received by the common input terminal and feeding the resulting signal to a subsequent speaker, and a signal feed line for feeding therethrough the audio signal received by the common input terminal.

3. A component selection control system according to claim 1 wherein each of the signal output components and the signal input components has a control circuit for controlling the on-off switch thereof for opening or closing, and the control circuit prepares a control signal for the on-off switch in response to a command from a control circuit included in the signal processing control unit.