Scottish watchmaker's fax patent

Alexander Bain, a Scottish watchmaker, patented in 1843 a method of image transmission using two synchronized pendulums, considered an ancestor of the modern fax machine. His invention, however, faced mechanical challenges that limited its practical use until later in the 19th century.

Bain's background and early innovations

Born in 1810 in the Scottish parish of Watten, Bain was a self-taught inventor with a passion for precision mechanics and clocks. By 1841, he had already patented the first electric pendulum clock, using electromagnetic impulses to replace traditional springs and weights.

The 1843 patent and its significance

On May 27, 1843, the United Kingdom granted patent number 9745 to Bain, which described a system for transmitting images using synchronized pendulums. This patent is regarded as the birth certificate of the fax, though the technology was not yet commercially viable.

Challenges of mechanical synchronization

Bain’s system relied on two pendulums that had to oscillate in perfect unison. Any slight delay between them caused the transmitted image to become blurred. This synchronization issue proved to be a major technical hurdle that prevented the system from being widely adopted.

Bain's financial recognition and later developments

Between 1843 and 1846, Bain conducted numerous experiments to improve his fax machine but faced limited success. However, he was compensated with 7,500 pounds for patent infringement and an additional 2,500 pounds for the use of his printing telegraphs. This showed that his ideas had value, even if they were not yet fully realized.

Legacy and the rise of the modern fax

It was not until the 1860s that the synchronization problem was solved, leading to the commercial success of the fax. Giovanni Caselli’s work in 1865 made the process viable, overshadowing Bain’s earlier efforts. Alexander Bain, who died in poverty in 1877, never saw his invention become a common tool.

Fax usage in modern times

Despite being an outdated technology, the fax remains in use in many parts of the world. In Japan, 71.7% of public primary and secondary schools still use fax machines for administrative tasks. In the UK, the NHS has largely phased out fax machines, though thousands remain in use.

The forgotten inventor

Alexander Bain's story highlights the often-overlooked pioneers of technology. His work with pendulums and electricity laid the groundwork for the fax, yet he was eclipsed by later inventors like Alexander Graham Bell. His invention, though brilliant, was ahead of its time and never achieved the widespread recognition it deserved.