Eindhoven, Netherlands

Wilhelmus J Christis

This inventor holds 4 USPTO granted patents, plus 1 CIPO patent. Top assignee: U.S. Philips Corporation. Active years: 1980-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wilhelmus J Christis. Retrieved from https://idiyas.com/inventor/wilhelmus-j-christis

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.9

ph-index = 2

Forward Citations = 46(Granted Patents)


Company Filing History:


Years Active: 1980-1990

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4 patents (USPTO):Explore Patents

Title: The Innovations of Wilhelmus J Christis

Introduction

Wilhelmus J Christis is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of telecommunication technology, particularly in television transmission systems. With a total of four patents to his name, Christis has demonstrated a commitment to innovation and advancement in his field.

Latest Patents

One of Christis's latest patents is an apparatus using teletext to provide channel identification information. This invention allows a television transmission system, such as a community antenna television system, to transmit a teletext page that indicates which TV channels are available. The receiver is designed to automatically tune into the information channel upon activation, capturing the relevant teletext page and storing the tuning data for all receivable TV programs. Another significant patent is a teletext signal processing circuit for a teletext receiver. This invention simplifies the processing of a received page address into a write command for a multi-page memory, utilizing a page-number memory that stores write commands for desired pages.

Career Highlights

Wilhelmus J Christis is associated with U.S. Philips Corporation, where he has contributed to various innovative projects. His work has focused on enhancing the functionality and efficiency of teletext systems, making significant strides in the way television information is processed and delivered to users.

Collaborations

Throughout his career, Christis has collaborated with notable colleagues, including Peter J Janssen and Hendrik Kolk. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the telecommunications sector.

Conclusion

Wilhelmus J Christis's contributions to the field of telecommunications, particularly through his innovative patents, have had a lasting impact on television technology. His work continues to influence the way viewers access and interact with television programming.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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