Robinson, who helped to develop Pegida UK, an anti-Islam protest movement, and founded the far-right English Defence League, pleaded guilty later that... He was sentenced to jail for thirteen months for contempt of court.
A judge told him his actions may cause the rerun of a long-running trial at a cost of "hundreds and hundreds of thousands of pounds".
A court order is now in place temporarily delaying report on the trial - so the press are not able to release details at this time.
Details of the case will be allowed to be revealed later this year.
Robinson attempted to film defendants entering the court and spoke about the case.
In footage which was played to the court on Friday, the 35-year-old, of Oakley Rise, Wilstead, Bedfordshire, was seen filming himself and people involved in the trial. He said this was not contempt of court.
The judge also claimed that "nothing may occur" to prejudice the trial, adding: "He (Robinson) was expressing his views".
Despite being largely shunned in the United Kingdom, he has become a cause célèbre among prominent European and American figures on the far-right, all of whom have backed him in recent days claiming his right to freedom of speech was breached. Published videos show Robinson walking past the accused rapists and goading them.
The court heard how the footage, which supposedly lasted around an hour, had been watched 250,000 times within hours of being posted online via Facebook.
"It is a serious feature that you were encouraging others to share what you were streaming live on social media", the judge said.
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Gassama was quoted by French newspaper Le Parisien , as saying, "I saw all these people shouting, and cars sounding their horns". For his valour which saved a life, Gassama was invited by French President Emmanuel Macron to Elysée Palace on Monday.
"That is the nature of the contempt".
The lawyer representing Robinson said the right-wing activist will be in danger of being killed or seriously assaulted by other inmates while in custody.
He said: "I have to be realistic in relation to the submission that what he did was provocative in challenging individuals".
Initially, a court order was put in place preventing any reporting of Robinson's arrest and sentencing hearing.
"He did not try to cause difficulties for the court process".
Judge Geoffrey Marson QC told Robinson: "With those rights [free speech] come responsibilities".
"Robinson has employed similar tactics before: "in May a year ago, he pulled the same stunt outside Canterbury Crown Court and was given a suspended sentence for 18 months and explicitly warned, "[If you] turn up at another court, refer to people as "Muslim paedophiles, Muslim rapists" and so on and so forth while trials are ongoing and before there has been a finding by a jury...you will find yourself inside".
The former EDL leader has a criminal record dating back to 2005.