PHOTOTELEGRAPH Meaning and
Definition
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Phototelegraph is a term used to describe a device or system that enables the transmission of photographs or images over long distances via telegraphy. Combining the words "photo" and "telegraph," it refers to the technology employed during the late 19th and early 20th centuries for sending photographic images through electrical signals.
The phototelegraph was developed as a means to communicate visual messages efficiently and rapidly, reducing the need for physical transportation of photographs. It involved converting the image into a series of electrical signals that could be sent over telegraph lines, allowing the image to be reconstructed at the receiving end.
This technology relied on a specialized apparatus known as a scanning transmitter, which scanned the original photograph line by line and transformed it into electrical signals. These signals could then be transmitted over long distances via telegraph wires, using various techniques like multiplexing to increase efficiency. At the receiving end, a similar device called a receiving apparatus or facsimile machine would convert the electrical signals back into a visual image, recreating the original photograph.
Phototelegraphy was a significant advancement in long-distance communication during its time, enabling the quick transmission of visual information across great distances. Although it has largely been replaced by modern digital methods, the development and use of phototelegraphy laid the foundation for subsequent inventions and contributed to the evolution of modern-day imaging and telecommunications technologies.
Common Misspellings for PHOTOTELEGRAPH
- ohototelegraph
- lhototelegraph
- 0hototelegraph
- pgototelegraph
- pbototelegraph
- pnototelegraph
- pjototelegraph
- puototelegraph
- pyototelegraph
- phitotelegraph
- phktotelegraph
- phltotelegraph
- phptotelegraph
- ph0totelegraph
- ph9totelegraph
- phorotelegraph
- phofotelegraph
- phogotelegraph
- phoyotelegraph
- pho6otelegraph
Etymology of PHOTOTELEGRAPH
The word "phototelegraph" is derived from the combination of two Greek roots: "photo" and "telegraph".
1. "Photo" comes from the Greek word "phos" (φῶς), meaning "light". This root is also found in words like "photograph", "photosynthesis", and "photometer". In the context of "phototelegraph", it refers to the transmission of images using light.
2. "Telegraph" originates from the Greek word "tele" (τῆλε), which means "far" or "distant", and "grapho" (γράφω), meaning "to write" or "to draw". It has been used in various related terms like "telegram", "telecommunication", and "television". In "phototelegraph", it denotes the transmission of images over long distances.
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