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## The Genesis of Scuba Diving Computers: A Historical Odyssey

### Introduction

The advent of scuba diving computers has revolutionized the underwater world, empowering divers with unparalleled control over their dive profiles and enhancing their safety. But the path to their creation was not without its challenges. This article chronicles the first scuba diving computer, its innovative design, and the milestones that paved the way for its development.

### Early Inventions and Precursors

**19th Century:**
– In the 1860s, French physiologist Paul Bert conducted experiments on the effects of pressure on animals. His work laid the foundation for understanding the physiological changes experienced during dives.

**Early 20th Century:**
– In 1913, the U.S. Navy established the first diving school. This marked the beginning of organized scientific diving research.
– In 1937, Max Hahn invented the “Oxygraph,” an early dive table calculator that estimated decompression stops based on depth and time.

### The Birth of the First Scuba Diving Computer

– Canadian engineer Eugene Peterson developed the “Draeger Puck EPD,” the first fully electronic scuba diving computer. It employed a pressure sensor to measure depth, and algorithms to calculate dive time, decompression, and ascent rate.

### Features and Function

The Draeger Puck EPD featured a compact design, weighing approximately 4 pounds. It displayed the following information:

– Depth
– Dive time
– Decompression status
– Ascent rate

The computer incorporated decompression algorithms based on the U.S. Navy dive tables.

### Impact and Legacy

The Draeger Puck EPD was a groundbreaking advancement in scuba diving technology. It provided divers with real-time information, allowing them to optimize their dives and reduce the risk of decompression sickness.

### Evolutionary Enhancements

– Improvements in microprocessor technology led to smaller, more sophisticated dive computers.
– Multifunction computers with features such as heart rate monitoring, GPS, and air integration emerged.

– Wireless dive computers allow divers to share data with dive buddies and surface personnel.
– Computer-aided dive planning software enables divers to plan and simulate their dives in advance.

### Conclusion

Eugene Peterson’s invention of the Draeger Puck EPD marked a pivotal moment in the history of scuba diving. It laid the groundwork for the development of sophisticated and reliable dive computers that have become indispensable for divers today. As technology continues to advance, the future holds endless possibilities for further innovation in scuba diving computer design.

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