Braunfels, Germany

Walter Bletz

This inventor holds 4 USPTO granted patents. Top assignees: Ernst Leitz G.m.b.h., Ernest Leitz Gmbh. Active years: 1977-1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Walter Bletz. Retrieved from https://idiyas.com/inventor/walter-bletz-gkxg1veb

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1977-1978

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4 patents (USPTO):Explore Patents

Title: Walter Bletz: Innovator in Photographic Technology

Introduction

Walter Bletz is a notable inventor from Braunfels, Germany, recognized for his contributions to photographic technology. He holds a total of 4 patents that showcase his innovative approach to exposure control in cameras. His work has significantly impacted the way photographic devices operate, particularly in terms of electronic exposure measurement.

Latest Patents

Bletz's latest patents include an "Apparatus for storing a voltage analogous to an exposure parameter in photographic cameras with an electronic timer and with electric exposure measurement." This invention features an analog-to-digital converter that serves as the storage unit, which includes a digital-to-analog converter. The output voltage from this converter is compared with the voltage from the exposure meter, allowing for precise control of the exposure parameters in the camera. Another significant patent is the "Exposure control device for photographic cameras," which integrates electronic means to form a voltage analogous to a diaphragm setting based on the luminous density of an object, film sensitivity, and preselected time. This device enhances the functionality of the diaphragm and shutter in cameras, ensuring accurate exposure settings.

Career Highlights

Throughout his career, Walter Bletz has worked with esteemed companies such as Ernst Leitz GmbH. His experience in these organizations has allowed him to refine his skills and contribute to advancements in photographic technology.

Collaborations

Bletz has collaborated with notable individuals in the field, including Werner H. Holle and Rolf Magel. These partnerships have fostered innovation and development in the technologies he has worked on.

Conclusion

Walter Bletz's contributions to photographic technology through his patents and collaborations have made a lasting impact on the industry. His innovative spirit continues to inspire advancements in camera technology.

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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