What did Meucci's patent caveat lack mention of?
Electromagnetic transmission
Battery power
Wireless communication
Digital signals
Answer
Electromagnetic transmission was not mentioned in Meucci's patent caveat because his invention at that time did not utilize electromagnetic principles. Meucci's initial concept involved a mechanical vibration-based system for transmitting sound, rather than the electromagnetic waves that became the foundation of later telephone technologies.
Antonio Meucci Brain Battle: 31 Questions to Win the War
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