Patent ID: 7934245
Filing Date: 2011-04-26
Classification: H04L,H04N

Abstract:
1. An audio and/or video signal transmission system for transmitting an audio and/or video signal between a transmitting peripheral apparatus and a receiving apparatus, the system comprising: the audio and/or video signal transmitting peripheral apparatus including analog audio and/or video signal generating means for generating an analog audio and/or video signal, digital audio and/or video signal generating means for generating a digital audio and/or video signal, analog output means for outputting said analog audio and/or video signal, information generating means for generating a digital information signal containing information identifying a type of said transmitting peripheral apparatus and an equipment brand name of said transmitting peripheral apparatus and indicating a format type of said analog audio and/or video signal or said digital audio and/or video signal, a multiplexing circuit for multiplexing the digital information signal and the digital audio and/or video signal and producing a multiplexed digital signal, and a digital input/output means for inputting/outputting said multiplexed digital signal, and the audio and/or video signal receiving apparatus including a plurality of analog input means for inputting an analog audio and/or video signal from the analog output means, digital input/output means for inputting/outputting the multiplexed digital signal to/from the digital input/output means of said transmitting peripheral apparatus, a demultiplexing circuit for demultiplexing an output of said digital input/output means and producing a first output of said digital information signal and a second output of said digital audio and/or video signal, wherein the audio and/or video signal transmitting peripheral apparatus is operable to (a) asynchronously transmit the information identifying the type of said transmitting peripheral apparatus and the equipment brand name of said transmitting peripheral apparatus and (b) to isochronously transmit said digital audio and/or video signal, based on synthesizing said digital audio and/or video signal and the information identifying the type of said transmitting peripheral apparatus and the equipment brand name of said transmitting peripheral apparatus in said multiplexing circuit, and wherein the transmitting peripheral apparatus is connected to the receiving apparatus, and the format type selectively indicates analog signal and digital signal; wherein said audio and/or video signal receiving apparatus further includes: information processing means receiving the first output from said demultiplexing circuit for generating an image signal therefrom for use in displaying the type of the audio and/or video signal transmitting peripheral apparatus, the equipment brand name of the peripheral apparatus and the format type of the output video signal from the audio and/or video signal transmitting peripheral apparatus, wherein the type of the audio and/or video signal transmitting peripheral apparatus, the equipment brand name of the transmitting peripheral apparatus and the format type are indicated by respective predetermined characters or by a logo, signal forming means for forming a display video signal from said analog audio and/or video signal from said analog input means, and/or from said digital audio and/or video signal from said demultiplexing means, and means for superimposing the image signal on the display video signal, so that when displayed the predetermined characters or logo are superimposed on a displayed image such that a user can view the type of the audio and/or video signal transmitting peripheral apparatus, the equipment brand name and the format type pertaining to the display video signal currently being displayed at the time the display video signal is displayed.